Castellum, Inc.
CTM- Exchange
- NYSE
- Industry
- Services-Management Consulting Services
- SEC CIK
- 0001877939
In the last 90 days, Castellum, Inc. insiders filed 5 open-market purchases and 0 sales; 35 institutions reported holding it in 13F filings for Q2 2026, worth $5.69M in total; no superinvestor holds it.
13F holders, Q1 2024
Institutional positions in Castellum, Inc. as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 21
- +1 vs. Q4 2023
- Shares held
- 6.13M
- +4.33M (+240.7%) vs. Q4 2023
- Total value
- $1.58M
- +$1.04M (+194.7%) vs. Q4 2023
- New holders
- 3
- 7 more added
- Sold out
- 2
- 3 more reduced
Compare with Q4 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CTM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 35 | $5.69M |
| Q1 2026 | 27 | $4.56M |
| Q4 2025 | 40 | $11.7M |
| Q3 2025 | 42 | $9.27M |
| Q2 2025 | 33 | $7.30M |
| Q1 2025 | 25 | $3.31M |
| Q4 2024 | 20 | $9.53M |
| Q3 2024 | 17 | $265.6K |
| Q2 2024 | 21 | $965.6K |
| Q1 2024 | 21 | $1.58M |
| Q4 2023 | 20 | $534.7K |
| Q3 2023 | 17 | $262.2K |
| Q2 2023 | 17 | $565.7K |
| Q1 2023 | 14 | $989.3K |
| Q4 2022 | 13 | $1.02M |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2024
Shares, value and share of portfolio for each institution holding Castellum, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Armistice Capital, LLC | 4,655,987 | $1.21M | 0.03% | +4,655,987 | New |
| Magnus Financial Group LLC | 250,000 | $65.0K | 0.01% | 00.0% | Unchanged |
| Inscription Capital, LLC | 250,000 | $65.0K | 0.01% | 00.0% | Unchanged |
| Citadel Advisors LLC | 167,837 | $43.7K | 0.00% | +100,972+151.0% | Added |
| Geode Capital Management, LLC | 156,682 | $40.8K | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 103,288 | $27.0K | 0.00% | +46,606+82.2% | Added |
| Vanguard Group Inc | 83,941 | $21.8K | 0.00% | +266+0.3% | Added |
| Kestra Private Wealth Services, LLC | 79,804 | $20.8K | 0.00% | −73,519−48.0% | Reduced |
| Almanack Investment Partners, LLC. | 50,000 | $13.0K | 0.00% | 00.0% | Unchanged |
| State Street Corp | 49,900 | $13.0K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 46,025 | $12.0K | 0.00% | 00.0% | Unchanged |
| BlackRock Inc. | 41,607 | $10.8K | 0.00% | −5,314−11.3% | Reduced |
| Charles Schwab Investment Management Inc | 34,318 | $8.93K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 30,111 | $7.83K | 0.00% | +15,342+103.9% | Added |
| Tower Research Capital LLC (TRC) | 21,368 | $5.56K | 0.00% | +495+2.4% | Added |
| Two Sigma Securities, LLC | 18,696 | $4.87K | 0.00% | +18,696 | New |
| Ronald Blue Trust, Inc. | 14,724 | $3.83K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 207 | $54 | 0.00% | +46+28.6% | Added |
| JPMorgan Chase & Co | 29 | $8 | 0.00% | +15+107.1% | Added |
| Royal Bank of Canada | 183 | $0 | 0.00% | −115−38.6% | Reduced |
| Groupama Asset Managment | 74,000 | – | – | +74,000 | New |
| Meridian Wealth Management, LLC | 0 | $0 | 0.00% | −503,500−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −8−100.0% | Sold out |