CTM — Castellum Inc Institutional Holders · Q2 2026

Name: Who Owns CTM? 38 Institutions Hold $5.69M (Q2 2026)
Creator: ko.io

Who owns Castellum Inc (CTM)? 38 institutions reported holding $5.69M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Vanguard Group Inc ($2.6M), Meridian Wealth Management, LLC ($621,418), Geode Capital Management, LLC ($587,637).

Rank	Institution	Value	Shares	Change
1	VANGUARD GROUP INC	$2.6M	3.6M	Added
2	Meridian Wealth Management, LLC	$621,418	863,200	Added
3	GEODE CAPITAL MANAGEMENT, LLC	$587,637	816,037	Trimmed
4	CAPTRUST FINANCIAL ADVISORS	$450,729	626,100	Hold
5	STATE STREET CORP	$218,778	303,900	Hold
6	BlackRock, Inc.	$191,123	265,486	Hold
7	Savvy Advisors, Inc.	$158,594	220,300	Trimmed
8	UBS Group AG	$150,450	208,958	Added
9	NORTHERN TRUST CORP	$123,405	171,420	Trimmed
10	Virtu Financial LLC	$121,000	168,401	New
11	JANE STREET GROUP, LLC	$92,918	129,071	Trimmed
12	BRIDGEWAY CAPITAL MANAGEMENT, LLC	$68,242	94,794	Hold
13	HUB Investment Partners, LLC	$41,332	57,414	New
14	Creative Planning	$35,995	50,000	Added
15	Almanack Investment Partners, LLC.	$35,995	50,000	Hold
16	TWO SIGMA SECURITIES, LLC	$29,178	40,530	Added
17	ARQ WEALTH ADVISORS, LLC	$22,750	35,000	New
18	Pathstone Holdings, LLC	$22,446	31,179	Hold
19	KESTRA PRIVATE WEALTH SERVICES, LLC	$19,617	27,250	Hold
20	CAPITAL ADVISORS INC/OK	$15,838	22,000	Hold
21	XTX Topco Ltd	$15,773	21,910	New
22	ACT Advisors, LLC.	$15,171	21,074	New
23	PKS Advisory Services, LLC	$13,628	18,931	New
24	Blue Trust, Inc.	$10,600	14,724	Hold
25	Inscription Capital, LLC	$8,999	12,500	Hold

Source: SEC Form 13F filings · as of 2026-06-30