$CIX

$35.95 -$0.38 (1.05%) Close

$CIX Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 12.3M shares outstanding

Who owns CIX?

By type of holder

Institutions 6.5% Insiders 0.0% Everyone else 93.5%

Concentration Top 10 holders own 6.2%

Dimensional Fund Advisors LP 1.5% · Royce & Associates LP 1.4%

Institutional ownership

6.5%

+0.1 pts vs last qtr

Institutional holders

+1 vs last qtr

Net shares bought

+14.8K

by institutions in Q2 2026

New / sold out

3 / 2

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

BlackRock, Inc. +15.5K
Geode Capital Management, LLC +6.3K

Biggest sellers in Q2 2026

Vanguard Capital Management LLC −6.7K
Renaissance Technologies LLC −6.2K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for CompX International Inc in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2019–FY2025

−1.0%

−0.16% a year

Each share's claim on the business

+1.0%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$3.06M vs —

over 7 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years99% 3–5 years1% 1–3 years0% Under 1 year1%

Quarterly turnover

3.0%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting CIX on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
DF Dimensional Fund Advisors LP	179.8K	1.46%	+418 (+0.2%)	≤2021	0.0%
Shares held by quarter Peak holding184.3K (Q4'24) Change over 8 quarters−4.4K Share of the company1.460% Dimensional Fund Advisors LP's full portfolio →
RA Royce & Associates LP	166.1K	1.35%	Unchanged	≤2021	0.0%
Shares held by quarter Peak holding183.2K (Q3'24) Change over 8 quarters−17.1K Share of the company1.350% Royce & Associates LP's full portfolio →

Dimensional Fund Advisors LP

179.8K

% of company

1.46%

Change vs last qtr

+418 (+0.2%)

Held since

≤2021

Royce & Associates LP

166.1K

% of company

1.35%

Change vs last qtr

Unchanged

Held since

≤2021

25 more super investors behind a free account

See every manager holding CompX International Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting CIX on Form N-PORT; together they hold 4.5% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
RS Royce Small-Cap Trust, Inc. Royce Small-Cap Trust, Inc.	$4.14M	166.1K	1.35%	0.16%	June 30, 2026
US U.S. Small Cap Value Portfolio Dfa Investment Dimensions Group Inc	$1.83M	64.7K	0.52%	0.01%	July 31, 2026

Royce Small-Cap Trust, Inc.

Position value

$4.14M

% of company

1.35%

% of the fund

0.16%

As of

June 30, 2026

U.S. Small Cap Value Portfolio

Dfa Investment Dimensions Group Inc

Position value

$1.83M

% of company

0.52%

% of the fund

0.01%

As of

July 31, 2026

23 more funds behind a free account

See every fund holding CompX International Inc and how much of the fund the position is.

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