Ticker · CUSIP 20459V105

GPGI

COMPOSECURE INC

Industrials·Metal Fabrication

···Share

Holders (tracked)

Combined shares

5,043,622

Combined value

$97.24M

Last close

$17.12

Quarter

2025Q4

Price is -11.2% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$17.12+6.47 (+60.77%)H $26.00 · L $10.35 · Avg Vol 1.7M

Position opened

Tracked holders · last 8 quarters

+3 vs previous quarter over the last 8.

SEC event timeline

18 events

Ken Griffin (Citadel Advisors) opened position2026-02-17
+211,347 shares · 2025Q4
Position
D.E. Shaw & Co. opened position2026-02-17
+134,336 shares · 2025Q4
Position
Two Sigma Investments added2026-02-17
+1,387 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−187,310 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+7,779 shares · 2025Q4
Position
Wellington Management added2026-02-17
+39,358 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) opened position2026-02-17
+118,881 shares · 2025Q4
Position
AQR Capital Management added2026-02-17
+42,096 shares · 2025Q4
Position
Renaissance Technologies trimmed2026-02-12
−271,720 shares · 2025Q4
Position
Mario Gabelli (GAMCO) opened position2026-02-05
+93,000 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) opened position2025-11-14
+197,921 shares · 2025Q3
Position
Two Sigma Investments trimmed2025-11-14
−54,292 shares · 2025Q3
Position
D.E. Shaw & Co. exited2025-11-14
−101,668 shares · 2025Q3
Position
Wellington Management added2025-11-14
+321,396 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+2,035 shares · 2025Q3
Position
AQR Capital Management trimmed2025-11-14
−11,857 shares · 2025Q3
Position
Renaissance Technologies added2025-11-13
+25,800 shares · 2025Q3
Position
Mario Gabelli (GAMCO) exited2025-11-12
−95,000 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for GPGI →

Follow-the-investor returns

If you'd copied each holder of GPGI…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Wellington Management	2022Q3	$10.08	+69.9%	$47.4M
Two Sigma Investments	2023Q1	$11.51	+48.8%	$15.6M
Renaissance Technologies	2022Q4	$12.71	+34.7%	$10.3M
D.E. Shaw & Co.	2022Q2	$12.98	+31.9%	$2.3M
Paul Tudor Jones (Tudor Investment)	2024Q3	$14.10	+21.4%	$2.0M
Mario Gabelli (GAMCO)	2024Q4	$14.52	+17.9%	$1.6M
AQR Capital Management	2024Q4	$16.01	+7.0%	$2.2M
T. Rowe Price	2024Q4	$16.18	+5.8%	$544K
Ken Griffin (Citadel Advisors)	2022Q2	$18.65	-8.2%	$3.6M
Ken Griffin (Citadel Advisors)	2022Q2	$18.65	-8.2%	$3.6M
Izzy Englander (Millennium Mgmt)	2022Q1	$19.80	-13.5%	$182K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions4

Ken Griffin (Citadel Advisors)
+211,347
$4.1M
D.E. Shaw & Co.
+134,336
$2.6M
Paul Tudor Jones (Tudor Investment)
+118,881
$2.3M
Mario Gabelli (GAMCO)
+93,000
$1.8M

Added to4

AQR Capital Management
+42,096
$812K
Wellington Management
+39,358
$759K
Two Sigma Investments
+1,387
$27K
T. Rowe Price
+7,779
$150

Trimmed2

Renaissance Technologies
−271,720
$5.2M
Izzy Englander (Millennium Mgmt)
−187,310
$3.6M

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	2	154,962	$1.2M	—
2022Q2	4	586,461	$3.0M	+2
2022Q3	5	670,161	$3.4M	+1
2022Q4	5	1,100,054	$5.4M	—
2023Q1	6	1,472,834	$10.8M	+1
2023Q2	5	1,652,552	$11.3M	-1
2023Q3	3	1,206,147	$7.8M	-2
2023Q4	3	1,193,627	$6.4M	—
2024Q1	8	1,973,035	$14.3M	+5
2024Q2	10	5,534,855	$37.6M	+2
2024Q3	9	4,832,386	$67.8M	-1
2024Q4	12	2,844,862	$43.6M	+3
2025Q1	11	4,298,603	$46.7M	-1
2025Q2	9	4,724,633	$66.6M	-2
2025Q3	8	4,892,568	$101.9M	-1
2025Q4	11	5,043,622	$97.2M	+3

Who owns GPGI

11 super-investors · 2025Q4

Tracked stake

5.04M

Combined value

$97M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New5Added4Trim2

#	Manager	Shares	Value	% of book	Last action
1	Wellington Management	2.77M	$53M	0.0%	Added+39.4K
2	Two Sigma Investments	909.4K	$18M	0.0%	Added+1.4K
3	Renaissance Technologies	603.3K	$12M	0.0%	Trim−271.7K
4	Ken Griffin Citadel Advisors	211.3K	$4M	0.0%	New+211.3K
5	D.E. Shaw & Co.	134.3K	$3M	0.0%	New+134.3K
6	AQR Capital Management	126.7K	$2M	0.0%	Added+42.1K
7	Paul Tudor Jones Tudor Investment	118.9K	$2M	0.0%	New+118.9K
8	Mario Gabelli GAMCO	93.0K	$2M	0.0%	New+93.0K
9	Ken Griffin Citadel Advisors	33.1K	$638K	0.0%	New+211.3K
10	T. Rowe Price	31.8K	$613K	0.0%	Added+7.8K
11	Izzy Englander Millennium Mgmt	10.6K	$205K	0.0%	Trim−187.3K

Recent moves

20 transactions

ADDAQR Capital Management
+42,096 · 2025Q4
NEWD.E. Shaw & Co.
+134,336 · 2025Q4
ADDT. Rowe Price
+7,779 · 2025Q4
ADDWellington Management
+39,358 · 2025Q4
NEWKen Griffin (Citadel Advisors)
+211,347 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−187,310 · 2025Q4
ADDTwo Sigma Investments
+1,387 · 2025Q4
NEWPaul Tudor Jones (Tudor Investment)
+118,881 · 2025Q4
TRIMRenaissance Technologies
−271,720 · 2025Q4
NEWMario Gabelli (GAMCO)
+93,000 · 2025Q4
ADDWellington Management
+321,396 · 2025Q3
NEWIzzy Englander (Millennium Mgmt)
+197,921 · 2025Q3
TRIMTwo Sigma Investments
−54,292 · 2025Q3
SOLDD.E. Shaw & Co.
−101,668 · 2025Q3
ADDT. Rowe Price
+2,035 · 2025Q3
TRIMAQR Capital Management
−11,857 · 2025Q3
ADDRenaissance Technologies
+25,800 · 2025Q3
SOLDMario Gabelli (GAMCO)
−95,000 · 2025Q3
ADDT. Rowe Price
+11,587 · 2025Q2
ADDTwo Sigma Investments
+19,006 · 2025Q2

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