GPGI, Inc. - GPGI, Inc. ("Issuer") (formerly, CompoSecure, Inc.) (GPGI)

CUSIP: 20459V105

Q2 2026 13F Holders as of 30 Jun 2026

Security type / class
Equity / GPGI, Inc. ("Issuer") (formerly, CompoSecure, Inc.)
Total 13F shares
705,395
Total 13F value
$11,180,038
Holder snapshot 6 signals
Share change
+96,871
SEC-reported price per share
$15.85
Number of holders
17
Value change
+$1,519,476
Number of buys
9
Number of sells
10
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
292,084,882

Security key

20459V105

Report period

Q2 2026

Institutions

17

Top holders

10

GPGI full security history Ownership snapshot Full 13F holder table Previous quarter: Q1 2026 GPGI, Inc. SEC filings GPGI, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of GPGI - GPGI, Inc. - GPGI, Inc. ("Issuer") (formerly, CompoSecure, Inc.) (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
PLATINUM EQUITY, LLC
Disclosed value leader
PLATINUM EQUITY, LLC
Comparable rows
15/15
Latest evidence
31 Mar 2026
13D/G 3/4/5 13F Lead comparable stake: 18% 13D/G row: PLATINUM EQUITY, LLC Showing 1-6 of 15 holder rows.

Quick read

PLATINUM EQUITY, LLC leads the comparable SEC ownership view at 18%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens PLATINUM EQUITY, LLC's linked filing trail.
Comparable ownership Top 5
PLATINUM EQUITY, LLC 18%
Resolute Compo Holdings LLC 18%
FMR LLC 14%
Alyeska Investment Group, L.P. 7.4%
LOCUST WOOD CAPITAL ADVISERS, LLC 5.1%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
PLATINUM EQUITY, LLC
13D/G 3/4/5
10%+ Owner
13D/G 3/4/5
18%
$1,018,557,715
52,829,757 shares
 $0 12 Jan 2026
Resolute Compo Holdings LLC
13D/G 3/4/5
John D. Cote · Director, 10%+ Owner
13D/G 3/4/5
18%
$996,466,884
51,683,967 shares
 +$4,755,701 12 Jan 2026
FMR LLC
13F 13D/G
Company
13F 13D/G
14%
from 13D/G
$676,338,044
39,551,933 shares
 — 31 Mar 2026
Alyeska Investment Group, L.P.
13F 13D/G
Company
13F 13D/G
7.4%
from 13D/G
$365,858,827
21,395,253 shares
 — 31 Mar 2026
LOCUST WOOD CAPITAL ADVISERS, LLC
13F 13D/G
Company
13F 13D/G
5.1%
from 13D/G
$235,700,471
13,783,653 shares
 — 31 Mar 2026
Bleichroeder LP
13F 13D/G 3/4/5
Company · 10%+ Owner
13F 13D/G 3/4/5
4.7%
from 13D/G
$67,881,454
3,969,676 shares
 — 31 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
17
Shares
705,395
Rows available
17
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2026 vs Q1 2026 Across Filers

Q1 2026 holders
202
Q2 2026 holders
17
Holder diff
-185
Investor Q1 2026 Shares Q2 2026 Shares Share Diff Share Chg % Q1 2026 value Q2 2026 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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