CMPO · Insider trading · 13F holders · Congress trades
CompoSecure, Inc. (CMPO)
Who is buying and selling CMPO: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 21
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 2
CMPO at a glance
- No open-market insider purchases or sales of CMPO were filed in the last 90 days.
- 21 13F filers hold CMPO among their 50 largest positions, worth $2.2B combined, including Leon Cooperman and Jeff Smith. The biggest bets by portfolio weight are Corsair Capital Management, L.P. (17.0%), Bleichroeder LP (11.3%) and Locust Wood Capital Advisers, LLC (5.7%). In their latest 13Fs, 1 manager opened a new position and 7 added to one.
- Members of Congress have disclosed 2 CMPO trades since 2025, 2 purchases and 0 sales in the past year; the latest was Brad Knott (R-NC), buying $1K–15K on Jan 14, 2025.
CMPO insider trading
No open-market insider purchases or sales of CMPO were filed in the last 90 days.
Who owns CMPO? Hedge funds and superinvestors
21 13F filers hold CMPO among their 50 largest positions, worth $2.2B combined, including Leon Cooperman and Jeff Smith. The biggest bets by portfolio weight are Corsair Capital Management, L.P. (17.0%), Bleichroeder LP (11.3%) and Locust Wood Capital Advisers, LLC (5.7%). In their latest 13Fs, 1 manager opened a new position and 7 added to one.
Superinvestors holding CMPO: Leon Cooperman 5.1% · Jeff Smith 1.8%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Platinum Equity Advisors, LLC/DEHedge fund | 9.3% | $837.4M | 52,829,757 | +0.0% shares | Q2 2026 |
| Alyeska Investment Group, L.P.Hedge fund | 1.0% | $371.0M | 23,404,836 | +9.4% shares | Q2 2026 |
| Locust Wood Capital Advisers, LLCInstitutional asset manager | 5.7% | $236.3M | 14,907,488 | +8.2% shares | Q2 2026 |
| Leon CoopermanSuperinvestor · Corporation | 5.1% | $180.4M | 11,384,508 | New | Q2 2026 |
| Corsair Capital Management, L.P.Hedge fund | 17.0% | $135.0M | 8,517,859 | +0.6% shares | Q2 2026 |
| Alberta Investment Management CorpAsset manager | 0.6% | $88.8M | 5,605,406 | +3.7% shares | Q2 2026 |
| Jeff SmithHedge fund | 1.8% | $79.7M | 5,027,028 | +0.0% shares | Q2 2026 |
| Bleichroeder LPHedge fund | 11.3% | $63.0M | 3,972,176 | +0.1% shares | Q2 2026 |
| Nine Ten Capital Management LLCHedge fund | 14.7% | $47.3M | 2,984,544 | +2.8% shares | Q2 2026 |
| Bwcp, LPHedge fund | 5.3% | $37.1M | 2,343,475 | +121.1% shares | Q2 2026 |
| Chescapmanager LLCInvestment manager | 4.0% | $30.5M | 1,927,200 | +81.0% shares | Q2 2026 |
| Zuckerman Investment Group, LLCWealth manager | 2.6% | $30.3M | 1,913,886 | +20.5% shares | Q2 2026 |
| Tikvah Management LLCInvestment manager | 3.9% | $12.7M | 800,611 | -20.7% shares | Q2 2026 |
| Pillsbury Lake Capital LLCHedge fund | 3.0% | $10.8M | 681,032 | +526.2% shares | Q2 2026 |
| Catawba River CapitalWealth manager | 2.8% | $6.3M | 399,258 | +3.2% shares | Q2 2026 |
| Ballast Asset Management, LPMutual fund manager | 2.4% | $5.9M | 373,895 | +28.7% shares | Q2 2026 |
| Bard Associates IncWealth manager | 1.0% | $4.5M | 283,514 | -0.6% shares | Q2 2026 |
| Prospect Capital Advisors, LLCHedge fund | 1.5% | $3.3M | 209,560 | -12.8% shares | Q2 2026 |
| Potomac Capital Management, Inc.Hedge fund | 1.3% | $1.8M | 113,500 | +0.0% shares | Q2 2026 |
| First Growth Capital LLCWealth manager | 0.8% | $1.0M | 87,854 | -7.3% shares | Q3 2026 |
| Cruiser Capital Advisors, LLCHedge fund | 0.1% | $220K | 13,876 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 1, Q2 2026: 20). Screen CMPO in the grand portfolio →
CMPO stock trades by members of Congress
Members of Congress have disclosed 2 CMPO trades since 2025, 2 purchases and 0 sales in the past year; the latest was Brad Knott (R-NC), buying $1K–15K on Jan 14, 2025.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Feb 25, 2025 | Brad KnottR-NC · House | Buy | $1K–15K | Jan 14, 2025 | — |
| Feb 25, 2025 | Brad KnottR-NC · House | Buy | $1K–15K | Jan 10, 2025 | — |
CMPO questions and answers
Are insiders buying CMPO stock?
No open-market insider purchases or sales of CMPO were filed in the last 90 days.
Which hedge funds own CMPO?
21 13F filers hold CMPO among their 50 largest positions, worth $2.2B combined, including Leon Cooperman and Jeff Smith. The biggest bets by portfolio weight are Corsair Capital Management, L.P. (17.0%), Bleichroeder LP (11.3%) and Locust Wood Capital Advisers, LLC (5.7%). In their latest 13Fs, 1 manager opened a new position and 7 added to one.
Has Congress traded CMPO?
Members of Congress have disclosed 2 CMPO trades since 2025, 2 purchases and 0 sales in the past year; the latest was Brad Knott (R-NC), buying $1K–15K on Jan 14, 2025.
Who is the largest holder of CMPO?
Among 13F filers, Platinum Equity Advisors, LLC/DE reports the largest CMPO position, $837.4M (52,829,757 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Corsair Capital Management, L.P.'s: 17.0% of its portfolio.
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