Castellum, Inc. - CTM

Sector: Technology · Industry: Information Technology Services
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Company profile

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Quarter snapshot

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Q4 2025 · Q3 2025
Value (USD)
Total reported value ($000)
$11.72M
QoQ value delta ($000)
+$2.544M (+27.72%)
Implied price effect (QoQ)
-17.07%
Shares
Total shares
12,992,653
QoQ shares delta
+4,556,756 (+54.02%)
Total shares held by funds (by quarter)
Shares (left)

Fund holders include prior positions carried forward until a new 13F confirms a change. Reported holders have reported a position in this security for that quarter; this is not the total number of 13F filers.

Market chart (CTM)

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Top holders (Q4 2025)

Top 25 only Full list
Early Q2 2026 data: only 35 institutional holders reported so far. More will appear as funds file with the SEC.
Manager Value ($000) Shares % of 13F
VANGUARD GROUP INC 3,136 3,473,227 0.0%
UBS Group AG 1,946 2,155,157 0.0%
ESSEX INVESTMENT MANAGEMENT CO LLC 1,909 2,114,029 0.29%
GEODE CAPITAL MANAGEMENT, LLC 699 773,724 0.0%
Meridian Wealth Management, LLC 673 745,150 0.02%
Legato Capital Management LLC 615 680,945 0.05%
GOLDMAN SACHS GROUP INC 319 353,526 0.0%
JANE STREET GROUP, LLC 310 343,842 0.0%
SEI INVESTMENTS CO 300 333,071 0.0%
STATE STREET CORP 274 303,900 0.0%
BlackRock, Inc. 239 265,486 0.0%
Savvy Advisors, Inc. 200 221,800 0.01%
Quadrature Capital Ltd 196 217,471 0.0%
NORTHERN TRUST CORP 190 210,611 0.0%
SUSQUEHANNA INTERNATIONAL GROUP, LLP 92 102,556 0.0%
Bank of New York Mellon Corp 90 100,002 0.0%
BRIDGEWAY CAPITAL MANAGEMENT, LLC 85 94,794 0.0%
TWO SIGMA INVESTMENTS, LP 68 75,384 0.0%
Almanack Investment Partners, LLC. 45 50,000 0.01%
Inspire Advisors, LLC 37 41,700 0.0%
Point72 Asset Management, L.P. 31 34,668 0.0%
Pathstone Holdings, LLC 28 31,179 0.0%
CITIGROUP INC 24 26,831 0.0%
Squarepoint Ops LLC 24 26,781 0.0%
KESTRA PRIVATE WEALTH SERVICES, LLC 24 27,250 0.0%