CastellumCTM

13F holders, Q1 2025 (March 31)
25holders +5
10new positions
6sold out
$1.00avg. 13F price*

At the end of Q1 2025, 25 institutions reported holding Castellum Inc. (CTM) in their 13F filings, up 5 from Q4 2024. 10 opened new positions and 6 sold out. The largest holders were Vanguard Group Inc. ($678K), Bank of New York Mellon Corp ($636K) and Meridian Wealth Management, LLC ($616K).

Company
Castellum Inc.
CUSIP
14838T204
Latest filing quarter
Q2 2026

History

Number of 13F holders

01020304050 Q1 2024: 21Q1 2024Q2 2024: 21Q2 2024Q3 2024: 17Q3 2024Q4 2024: 20Q4 2024Q1 2025: 25Q1 2025Q2 2025: 33Q2 2025Q3 2025: 42Q3 2025Q4 2025: 40Q4 2025Q1 2026: 27Q1 2026Q2 2026: 35Q2 2026

Total Exit/New Position Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions10$375K
Exits6$4.5M

All 13F filers, Q4 2024 → Q1 2025: 1,220,595 shares bought and 2,930,074 shares sold, net −1,709,479 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 25 holders

Vanguard Group Inc. 0.00% Add +662.0% 639,628 $678K
Bank of New York Mellon Corp 0.00% Reduce -51.1% 600,002 $636K
Meridian Wealth Management, LLC 0.03% Reduce -1.5% 580,800 $616K
Geode Capital Management, LLC 0.00% Add +39.7% 418,525 $444K
State Street Corp. 0.00% Add +212.6% 156,000 $165K
BlackRock, Inc. 0.00% New 127,421 $135K
Northern Trust Corp. 0.00% Add +104.5% 94,120 $100K
Cubist Systematic Strategies, LLC 0.00% New 67,680 $72K
XTX Topco Ltd 0.00% New 65,419 $69K
Inscription Capital, LLC 0.01% — 250,000 $65K
Almanack Investment Partners, LLC. 0.01% No change 50,000 $53K
Townsquare Capital LLC 0.00% No change 44,750 $47K
PKS Advisory Services, LLC 0.01% Add +0.0% 42,222 $45K
Tower Research Capital LLC (TRC) 0.00% Add +5803.2% 38,961 $41K
MML Investors Services, LLC 0.00% New 27,937 $30K
Kestra Private Wealth Services, LLC 0.00% Reduce -3.5% 27,250 $29K
Virtu Financial LLC 0.00% New 19,129 $20K
Susquehanna International Group, LLP 0.00% New 17,691 $19K
Two Sigma Securities, LLC 0.00% New 17,230 $18K
Blue Trust, Inc. 0.00% No change 14,724 $16K
Creative Planning 0.00% New 10,000 $11K
Westside Investment Management, Inc. 0.00% New 680 $721
Bank of America Corp. 0.00% Reduce -66.6% 365 $387
American Capital Advisory, LLC 0.00% New 342 $363
UBS Group AG 0.00% Reduce -99.8% 76 $81

"% of holder's portfolio" is CTM's weight in each manager's 13F, not the share of Castellum Inc. the manager owns.