ManTech International Corporation Shareholders: Ownership Structure, Brands, and Acquisition History
Last updated: Sep-2026Ownership Structure
Stakes approximate based on latest filings.
Ownership Analysis
We view the Carlyle Group acquisition of ManTech as a fairly conventional public to private transition for a mid sized, well established government services contractor, executed at a price that reflected both a full premium and the scarcity value of a company with deep, long standing intelligence community and defense relationships. The $96.00 per share offer represented roughly a 32% premium to ManTech's unaffected trading price, a level we calculate as consistent with control premiums paid in comparable government technology take privates over the prior several years. Carlyle structured the deal as a straightforward all cash merger rather than a leveraged recapitalization with rollover equity from existing shareholders, meaning ManTech's public investor base was fully cashed out rather than retaining any stub interest in the go forward private company. We note that ManTech's ownership before the deal was already somewhat concentrated on founder George Pedersen and his family, and Carlyle's arrival effectively completed a multi decade transition away from founder control that had been gradually loosening since the 2002 IPO. Because ManTech now operates as a wholly owned Carlyle portfolio company, governance runs through Carlyle's investment team and a board it controls rather than through independent directors answerable to dispersed public shareholders, which we regard as a meaningful shift in accountability even though day to day contract execution has continued largely unaffected. We track this transaction as part of a broader wave of private equity interest in mid cap government technology contractors, where predictable, multi year federal contract revenue and strong free cash flow generation make attractive leveraged buyout candidates, and we expect Carlyle to pursue further bolt on acquisitions to build scale before eventually pursuing an exit.
Direct Owners
Institutional Shareholders
Shareholder Analysis
We view the disappearance of ManTech's public shareholder base as the single most consequential structural change from the Carlyle transaction, since it eliminates the transparency mechanisms, such as quarterly earnings calls, proxy voting, and SEC filings, that previously let outside investors monitor the business. Before the buyout, ManTech's shareholder register included a mix of index funds, actively managed institutional holders, and residual founder family holdings built up since the 2002 IPO, but none of that ownership detail is publicly trackable today because Carlyle acquired 100% of outstanding shares in the merger. We calculate that Carlyle's fund vehicle now bears the full economic and governance responsibility that was previously distributed across thousands of public shareholders, concentrating both the upside and the risk of ManTech's performance within Carlyle's own limited partner base rather than the broader public markets. For anyone evaluating this acquisition, the relevant question shifts from analyzing quarterly shareholder letters or activist campaigns toward tracking Carlyle Group's own public disclosures as the traceable public layer of ownership, since Carlyle itself trades on Nasdaq under ticker CG and periodically discusses its aerospace, defense, and government services portfolio performance in aggregate during earnings calls. We believe this shift matters most for former ManTech shareholders and for the broader government contracting sector, since it removes another mid cap public comparable from the group of listed peers that analysts use to benchmark valuation multiples for Leidos, Booz Allen Hamilton, CACI, and SAIC. We also note that Carlyle's institutional investor base, largely pension funds, sovereign wealth funds, and other large limited partners, now indirectly bears ManTech specific risk through its private equity fund commitments rather than through direct public equity ownership.
Brands, Subsidiaries & Companies Owned
| Name | Type | Description |
|---|---|---|
| ManTech Advanced Systems International | Subsidiary | International arm delivering systems engineering and technical services to allied governments outside the United States |
| Gryphon Technologies | Subsidiary | Naval systems engineering and platform sustainment specialist acquired in 2021 and folded into ManTech's defense mission solutions work |
| Kforce Government Solutions | Subsidiary | Federal health, intelligence, and IT staffing and services business acquired from Kforce Inc. in 2019, now integrated into ManTech's federal civilian and health practice |
| InfoZen | Subsidiary | Cloud engineering and DevSecOps firm acquired in 2017, now the backbone of ManTech's cloud migration and citizen services work for federal civilian agencies |
| Federal Data Systems | Subsidiary | Intelligence community cyber and data engineering specialist acquired in 2021, providing full spectrum cyber operations support |
| Knowledge Consulting Group | Subsidiary | Cybersecurity and information assurance consultancy acquired in 2015, contributing to ManTech's cyber solutions practice |
| HBGary | Subsidiary | Cybersecurity and digital forensics firm acquired in 2012, folded into ManTech's cyber protection and incident response offerings |
| CSCI (Coleman Sellers Consulting) | Subsidiary | Space and intelligence systems engineering firm acquired to expand ManTech's space domain awareness work |
Portfolio Analysis
We track ManTech's operating identity as having survived the Carlyle transaction essentially intact, with the company continuing to compete under its own name, logo, and management structure rather than being absorbed into a larger corporate parent's brand as sometimes happens in strategic acquisitions. ManTech's subsidiary roster, built through a long sequence of acquisitions including InfoZen for cloud engineering and DevSecOps, Kforce Government Solutions for federal health and intelligence staffing, Gryphon Technologies for naval systems engineering, and Federal Data Systems for intelligence community cyber work, continues to operate as integrated practice areas under the ManTech umbrella rather than as separately branded units. We believe this operational continuity was a deliberate feature of Carlyle's investment thesis, since ManTech's brand recognition and cleared workforce relationships with defense and intelligence agencies represent much of the acquired value, and disrupting that identity would risk losing contract incumbencies that took decades to build. We calculate that ManTech's roughly 9,800 employees as of its last public fiscal year, many holding security clearances, form the core asset Carlyle is protecting by preserving the ManTech name and organizational structure rather than rebranding or merging the business into another Carlyle defense holding. We note that unlike some private equity roll up strategies that combine multiple portfolio companies into a single new brand, such as the formation of Peraton from Perspecta and Harris IT assets under Veritas Capital, Carlyle has so far kept ManTech as a standalone platform rather than merging it with another portfolio company. This suggests Carlyle views ManTech's existing brand equity and past performance record with government customers as more valuable intact than consolidated into a larger combined entity, at least for now.
Market Share & Competitors
Bubble size reflects relative market share.
| Company | Market Share | Revenue | Key Strength |
|---|---|---|---|
| Leidos Holdings Inc | N/A | $17.20B FY2025 | Diversified national security, health, and engineering technology contractor and the largest pure play United States government technology services company by revenue |
| Booz Allen Hamilton Holding Corporation | N/A | $12.00B FY2025 | Management and technology consulting firm heavily focused on defense, intelligence, and civil government clients |
| CACI International Inc | N/A | $8.63B FY2025 | Expertise and technology provider for national security missions with strength in signals intelligence and software engineering |
| Peraton Inc | N/A | $8.00B FY2024 estimate | Veritas Capital owned national security technology contractor formed from the Perspecta and former Harris IT business combination |
| Science Applications International Corporation | N/A | $7.48B FY2025 | Technology integrator serving defense, intelligence, and civilian federal agencies with strength in digital engineering and mission IT |
| ManTech International Corporation ★ | N/A | $2.55B FY2021 | Government technology contractor specializing in cybersecurity, systems engineering, and intelligence support, now privately held under Carlyle Group ownership |
Competitive Analysis
We view ManTech as occupying the mid tier of the government technology and defense services contracting landscape, meaningfully smaller than giants Leidos at $17.20B in fiscal 2025 revenue and Booz Allen Hamilton at $12.00B, but still ranking among a recognizable group of established federal contractors alongside CACI International at $8.63B, the Veritas Capital backed Peraton at roughly $8.00B, and Science Applications International Corporation at $7.48B. ManTech's own last publicly reported revenue of $2.55 billion for fiscal year 2021 places it as one of the smaller players among this peer set, though its focus on cybersecurity, intelligence community support, and C4ISR work gives it a differentiated niche rather than direct head to head competition across every contract vehicle. We calculate that ManTech now competes from a structurally different position than its still public peers, since private ownership under Carlyle removes the quarterly earnings discipline that public competitors face but also removes the currency of public equity that competitors like Leidos and CACI can use for stock funded acquisitions. We believe this cuts both ways competitively: Carlyle's patient capital and willingness to fund growth investments without immediate earnings per share dilution concerns could let ManTech pursue more aggressive bolt on acquisitions or bid aggressively on lower margin contracts to build backlog, while the lack of a public stock also limits ManTech's ability to use equity as acquisition currency the way its listed rivals do. We note that Peraton, itself a Veritas Capital private equity portfolio company, offers the closest structural parallel to ManTech's new ownership model, and we track both companies as evidence that private equity ownership has become an increasingly normal structure within the government contracting sector rather than an unusual exception.
Acquisitions
Bubble size reflects relative deal value.
| Company Acquired | Deal Value | Year | Description |
|---|---|---|---|
| SRS Technologies | N/A | 2007 | Aerospace, missile defense, and space systems engineering firm |
| HBGary Inc | N/A | 2012 | Cybersecurity and digital forensics firm strengthening ManTech's cyber protection practice |
| ALTA Systems Inc | N/A | 2013 | Signals intelligence and cyber systems engineering firm |
| Allied Technology Group | N/A | 2014 | Test and evaluation, modeling and simulation, and systems engineering firm serving defense customers |
| 7Delta Inc | N/A | 2014 | Cybersecurity and network operations firm supporting federal civilian and defense agencies |
| Welkin Associates Ltd | N/A | 2015 | Environmental, health, and safety technical services firm |
| Knowledge Consulting Group | N/A | 2015 | Cybersecurity and information assurance consultancy |
| Edaptive Systems LLC | N/A | 2016 | Data analytics and machine learning firm supporting intelligence and defense missions |
| InfoZen Inc | $180.0M | 2017 | Cloud engineering and DevSecOps firm serving federal civilian agencies |
| Kforce Government Solutions | $115.0M | 2019 | Federal health, intelligence, and IT staffing and services business divested by Kforce Inc. |
| Federal Data Systems | N/A | 2021 | Intelligence community cyber and data engineering specialist |
| Gryphon Technologies | $350.0M | 2021 | Naval systems engineering and platform sustainment specialist serving the United States Navy |
Acquisitions Analysis
We view ManTech's acquisition history as a textbook example of disciplined, capability driven tuck in dealmaking rather than large transformational mergers, a pattern that predates the Carlyle ownership and appears likely to continue under it. Across more than a dozen acquisitions since 2007, ManTech consistently targeted smaller firms with specific technical capabilities, cybersecurity from HBGary and Knowledge Consulting Group, cloud engineering from InfoZen at $180.0M, staffing and health IT scale from Kforce Government Solutions at $115.0M, and naval systems engineering from Gryphon Technologies at $350.0M, rather than pursuing scale for its own sake. We calculate that the Gryphon Technologies deal, ManTech's largest disclosed acquisition before going private, closed in 2021 just months before the Carlyle transaction was announced, suggesting ManTech's own management team was actively positioning the company for a stronger naval and platform sustainment portfolio, a move that likely made the business more attractive to private equity suitors evaluating defense sector exposure. We believe Carlyle's rationale for the $4.2 billion buyout rested heavily on this acquisition track record as evidence of a capable, repeatable deal integration engine that could be pointed at a larger pipeline of targets with private capital backing and without the quarterly earnings pressure that can discourage a public company from pursuing dilutive or integration heavy deals. We note that several of ManTech's historical acquisition prices were never disclosed, consistent with typical practice for smaller, privately negotiated government services deals, which limits precise multiple comparisons but does not change our overall read that ManTech has used acquisitions primarily to fill specific capability gaps identified by federal customer demand rather than to chase revenue growth alone.
Acquisition Timeline
Merger & Spin-off History
Merger & Spin-off Analysis
We view ManTech's merger and acquisition history as unusually consistent for a company of its size, having pursued a steady cadence of small to mid sized tuck in deals across more than fifteen years without a single large transformational merger until the Carlyle take private itself. We calculate that the disclosed acquisition values, InfoZen at $180.0M in 2017, Kforce Government Solutions at $115.0M in 2019, and Gryphon Technologies at $350.0M in 2021, together total a small fraction of the $4.2 billion Carlyle ultimately paid for the whole company, underscoring how much of ManTech's value Carlyle attributed to the underlying organic business and contract backlog rather than to any single acquired capability. We believe the Carlyle transaction itself stands apart structurally from every prior ManTech deal, since it was the only transaction in the company's history where ManTech was the target rather than the acquirer, and the only one that eliminated ManTech's public company status entirely. We note that the deal closed relatively quickly, with the merger agreement announced May 25, 2022, and closing following on September 14, 2022, a roughly four month timeline that we regard as typical for an all cash strategic and financial buyout of this size absent major antitrust complications, which government services deals of this scale typically avoid given limited market concentration concerns. We track the absence of any competing bid or shareholder litigation delay as a signal that ManTech's board and financial advisor Goldman Sachs viewed the $96.00 per share price as fair and that Carlyle's offer cleared the market at a level that discouraged rival suitors from emerging during the negotiation period.
Ownership History
Ownership History Analysis
We view ManTech's ownership arc, from a 1968 founding by Franc Wertheimer and George J. Pedersen through a 2002 initial public offering and finally to a 2022 private equity buyout, as a fairly complete life cycle for a government services contractor built originally on founder relationships with federal customers. We calculate that the roughly twenty year public company period, 2002 through 2022, was long enough for ManTech to establish itself as a recognized mid cap defense and intelligence contractor with institutional analyst coverage and index inclusion, but the eventual $4.2 billion Carlyle acquisition suggests the public markets may have undervalued the business relative to what a private buyer was willing to pay, a pattern common across the government services sector in recent years as multiple contractors have drawn private equity interest. We believe founder George Pedersen's continued involvement as chairman emeritus through much of the public company era provided ownership continuity that many newly public companies lack, and his death in May 2023, under a year after the Carlyle deal closed, marks a symbolic close to the founder led chapter of ManTech's history. We note that unlike some take private transactions where founders exit with a rollover equity stake to remain invested alongside the new private owner, available disclosures do not indicate any Pedersen family rollover in the Carlyle transaction, suggesting the family's direct financial involvement in ManTech effectively ended with the 2022 buyout. We track ManTech's trajectory as a useful case study in how a founder built government contractor can pass cleanly from public markets into private equity hands without the kind of prolonged activist pressure or distressed sale dynamics that have characterized some other sector transitions.
Ownership Explained
ManTech International Corporation spent two decades as a publicly traded government technology contractor before Carlyle Group took it private in September 2022 in an all cash transaction valued at roughly $4.2 billion. Founded in 1968 by Franc Wertheimer and George J. Pedersen, the Herndon, Virginia based company built its business supplying cybersecurity, systems engineering, intelligence support, and IT modernization services to defense, intelligence, and federal civilian agencies, going public on Nasdaq in 2002 under ticker MANT. Carlyle's acquisition, structured through a merger vehicle that paid shareholders $96.00 per share, closed on September 14, 2022, ending ManTech's run as an independent public company and folding it into Carlyle's portfolio of aerospace, defense, and government services holdings. Today ManTech operates as a privately held business, continuing its government contracting work but no longer subject to public securities disclosure requirements, quarterly earnings calls, or Nasdaq listing standards. Because ManTech has no independent public shareholder base of its own since the buyout, this profile treats Carlyle Group Inc., itself a publicly traded alternative asset manager on Nasdaq under ticker CG, as the traceable public ownership layer, consistent with how this site handles other companies taken private by a publicly listed financial sponsor.
For anyone tracking ManTech's ownership structure, the practical takeaway is that Carlyle Group, not public shareholders, now controls every material corporate decision at the company, from capital allocation and executive compensation to strategic direction and any future sale or IPO. ManTech's day to day operations, contract performance, and workforce remain largely unchanged from the outside, since the company continues to compete for the same defense, intelligence, and federal civilian contracts under its own name and management team. What has changed is accountability and transparency: ManTech no longer files 10-Ks, 10-Qs, or proxy statements, no longer holds quarterly earnings calls, and no longer discloses segment level financial performance to the public. Anyone seeking current financial detail must instead look to Carlyle Group's own public disclosures as the sponsor, though Carlyle's filings report performance at the fund and portfolio level rather than breaking out ManTech specifically. The ownership change also signals a typical private equity value creation timeline, in which Carlyle will likely seek to grow ManTech organically and through further acquisitions before eventually exiting through a strategic sale, a secondary sale to another sponsor, or a future public offering, a pattern common across Carlyle's aerospace, defense, and government services holdings.