Compx International CIX Institutional Ownership

NYSE CIX

$37.45 -0.35 (-0.93%)

At close: Sep 30, 2026 · 4:00 PM EDT

Institutions by Trading Activity

47 Institutions

Increased 20 42.6%

Unchanged 10 21.3%

Reduced 17 36.2%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

6.61%

▲+0.17 pp QoQ

Shares Held by Institutions

814.52K

of 12.33Mn outstanding

▲+2.72% QoQ

Shares Outstanding

12.33Mn

11.51Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+5 vs prior quarter

Net Shares Added (QoQ)

+21.55K

accumulated since last quarter

Value of Holdings

$30.50Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Compx International Inc (NYSE:CIX) showed up in the 13F filings of 47 institutional investors as of June 2026.

Their combined ownership stood at 6.6% of outstanding shares in June 2026, up from 6.4% in March 2026.
They increased total shares held in Compx International by 2.72% from the prior quarter, while the number of investors in CIX increased 11.9% year over year.
Among the 47 funds, 20 bought more Compx International shares, 17 sold down, and 10 held their ground.
The aggregate institutional position in Compx International amounted to 814.52K shares as of June 2026, up by 21.55K shares quarter on quarter, and down 110.52K shares year over year.
As of June 30, 2026, DIMENSIONAL FUND ADVISORS LP held the largest stake in Compx International with 179.83K shares, accounting for 1.46% of total shares outstanding.
The most significant purchases of CIX for the quarter ending June 2026 came from BlackRock, Inc. (15.51K), Curated Wealth Partners LLC (10.0K), GEODE CAPITAL MANAGEMENT, LLC (6.26K), IFG Advisory, LLC (3.15K), VANGUARD PORTFOLIO MANAGEMENT LLC (1.52K).
Leading sellers of Compx International shares for the quarter ending June 2026 were VANGUARD CAPITAL MANAGEMENT LLC (6.69K), RENAISSANCE TECHNOLOGIES LLC (6.2K), EverSource Wealth Advisors, LLC (4.22K), BRIDGEWAY CAPITAL MANAGEMENT, LLC (1.0K), Morgan Stanley (773).
Per Business Quant, the top 10 investors in CIX for the quarter ending June 2026 include DIMENSIONAL FUND ADVISORS LP (179.83K), ROYCE & ASSOCIATES LP (166.07K), BlackRock, Inc. (123.02K), RENAISSANCE TECHNOLOGIES LLC (100.75K), VANGUARD CAPITAL MANAGEMENT LLC (71.53K), GEODE CAPITAL MANAGEMENT, LLC (40.84K), State Street Corp (30.57K), BRIDGEWAY CAPITAL MANAGEMENT, LLC (22.67K), Northern Trust Corp (17.98K), VANGUARD PORTFOLIO MANAGEMENT LLC (10.35K).

Form 13F Holdings

47 Institutional Holders

Report period 30 Jun, 2026

Total shares held 814.52K

Of outstanding 6.61%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	DIMENSIONAL FUND ADVISORS LP	0000354204	179,827	1.46%	▲418	+0.23%	$4.48Mn
2	ROYCE & ASSOCIATES LP	0000906304	166,074	1.35%	0	0.00%	$4.14Mn
3	BlackRock, Inc.	0002012383	123,016	1.00%	▲15,512	+14.43%	$3.06Mn
4	RENAISSANCE TECHNOLOGIES LLC	0001037389	100,749	0.82%	▼6,200	-5.80%	$2.51Mn
5	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	71,526	0.58%	▼6,694	-8.56%	$1.78Mn
6	GEODE CAPITAL MANAGEMENT, LLC	0001214717	40,842	0.33%	▲6,257	+18.09%	$1.02Mn
7	State Street Corp	0000093751	30,568	0.25%	▼32	-0.10%	$761.14K
8	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0001107261	22,667	0.18%	▼1,000	-4.23%	$564.41K
9	Northern Trust Corp	0000073124	17,981	0.15%	▲994	+5.85%	$447.73K
10	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	10,350	0.08%	▲1,517	+17.17%	$257.72K
11	VANGUARD FIDUCIARY TRUST CO	0000933478	10,270	0.08%	▼370	-3.48%	$255.72K
12	Curated Wealth Partners LLC	0001781284	10,000	0.08%	▲10,000	0.00%	$11.30K
13	Barclays Plc	0000312069	5,817	0.05%	▼114	-1.92%	$144.84K
14	Jpmorgan Chase & Co	0000019617	4,823	0.04%	▼83	-1.69%	$126.80K
15	Morgan Stanley	0000895421	3,591	0.03%	▼773	-17.71%	$89.42K
16	IFG Advisory, LLC	0001728319	3,147	0.03%	▲3,147	0.00%	$78.36K
17	RHUMBLINE ADVISERS	0001115418	2,740	0.02%	▲116	+4.42%	$68.22K
18	DEUTSCHE BANK AG\	0000948046	1,434	0.01%	0	0.00%	$35.71K
19	Royal Bank Of Canada	0001000275	1,375	0.01%	▲224	+19.46%	$34.00K
20	Wells Fargo & Company/Mn	0000072971	1,307	0.01%	▲740	+130.51%	$32.55K

Showing 1 to 20 of 47 holders