CASTELLUM INC (CTM) is held by 16 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is VANGUARD CAPITAL MANAGEMENT LLC as of Q1 2026.

Are institutions buying or selling CTM?

In Q1 2026, 8 institutions opened or increased positions in CASTELLUM INC while 16 reduced or exited — a net selling quarter.

What is the Smart Money Verdict on CTM?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for CASTELLUM INC.

How many hedge funds hold CTM?

16 institutional investors report holding CASTELLUM INC (CTM) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into CTM?

As of Q1 2026, tracked institutions in CASTELLUM INC show 8 buyers versus 16 sellers — net outflows.

CASTELLUM INC

CTM·14838T204·US·Common Stock·Technology - Information Technology Services

Holders

Avg rating(4 Elite)

$3.8M

Total Value

33% (27)

Fund Consensus

8 buying - 16 selling

Smart Money Verdict

View all

Held by 16 funds

4 elite

Who's Trading

InsiderMAMerriman AndrewBuy $735.62Jul 1, 2026

InsiderIRIves Glen RBuy $772.34Jul 1, 2026

InsiderBTBell David TBuy $735.62Jul 1, 2026

InsiderMLMARTIN TAMMY LBuy $735.62Jul 1, 2026

InsiderMAMerriman AndrewBuy $1KMar 27, 2026

InsiderIRIves Glen RBuy $1KMar 27, 2026

InsiderIRIves Glen RBuy $7KMar 26, 2026

InsiderMTMcMillen Charles ThomasSell $21KMar 25, 2026

InsiderMTMcMillen Charles ThomasSell $44KMar 18, 2026

InsiderMAMerriman AndrewBuy $2KMar 18, 2026

View all insider trades

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
VAVANGUARD CAPITAL MANAGEMENT LLC	New	3.1M	$1.8M	0.0%	-30.53%	39
GEODE CAPITAL MANAGEMENT, LLC	Increased	944,899(+22.1%)	$557,149	0.0%	-44.58%	20
CAPTRUST FINANCIAL ADVISORS	New	626,100	$369,086	0.0%	-30.53%	33
VFVANGUARD FIDUCIARY TRUST CO	New	418,324	$246,811	0.0%	-30.53%	32
STATE STREET CORP	Unchanged	303,900	$179,149	0.0%	-30.81%	0
BlackRock, Inc.	Unchanged	265,486	$156,504	0.0%	-38.71%	0
JANE STREET GROUP, LLC	Decreased	236,774(-31.1%)	$139,578	0.0%	-38.97%	0
NORTHERN TRUST CORP	Decreased	181,902(-13.6%)	$107,231	0.0%	-38.13%	0
UBS Group AG	Decreased	153,529(-92.9%)	$90,582	0.0%	-29.18%	0
SEI INVESTMENTS CO	Decreased	121,574(-63.5%)	$71,668	0.0%	-29.03%	0
Pathstone Holdings, LLC	Unchanged	31,179	$18,380	0.0%	-39.45%	0
VGVanguard Global Advisers, LLC	New	27,344	$16,133	0.0%	-30.53%	28
Creative Planning	Increased	20,320(+1.6%)	$11,979	0.0%	-32.62%	12
CITIGROUP INC	Decreased	7,040(-73.8%)	$4,150	0.0%	-37.74%	0
JONES FINANCIAL COMPANIES LLLP	Increased	6,366(+3.2%)	$3,947	0.0%	-30.20%	10
HRT FINANCIAL LP	New	33,836	$19	0.0%	-30.53%	17
Quadrature Capital Ltd	Exited	0(-100.0%)	$196,420	0.0%	-2.35%	0
Centiva Capital, LP	Exited	0(-100.0%)	$17,530	0.0%	-15.18%	0
TWO SIGMA INVESTMENTS, LP	Exited	0(-100.0%)	$68,087	0.0%	-13.20%	0
BANK OF AMERICA CORP /DE/	Exited	0(-100.0%)	$782	0.0%	-43.44%	0