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, Q2 2024
Institutional positions in Castellum, Inc. as of Jun 30, 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
- 0 vs. Q1 2024
- Shares held
- 5.19M
- −938.0K (−15.3%) vs. Q1 2024
- Total value
- $965.6K
- −$609.9K (−38.7%) vs. Q1 2024
- New holders
- 4
- 6 more added
- Sold out
- 4
- 5 more reduced
Compare with Q1 2024: 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, Q2 2024
Shares, value and share of portfolio for each institution holding Castellum, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Armistice Capital, LLC | 3,547,987 | $659.9K | 0.02% | −1,108,000−23.8% | Reduced |
| Meridian Wealth Management, LLC | 610,700 | $113.6K | 0.01% | +610,700 | New |
| Magnus Financial Group LLC | 250,000 | $46.5K | 0.01% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 193,330 | $36.0K | 0.00% | +36,648+23.4% | Added |
| Citadel Advisors LLC | 96,128 | $17.9K | 0.00% | −71,709−42.7% | Reduced |
| Kestra Private Wealth Services, LLC | 87,304 | $16.2K | 0.00% | +7,500+9.4% | Added |
| Vanguard Group Inc | 83,941 | $15.6K | 0.00% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 63,553 | $11.8K | 0.00% | +44,857+239.9% | Added |
| Almanack Investment Partners, LLC. | 50,000 | $9.30K | 0.00% | 00.0% | Unchanged |
| State Street Corp | 49,900 | $9.28K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 46,025 | $8.56K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 21,885 | $4.07K | 0.00% | +517+2.4% | Added |
| Ronald Blue Trust, Inc. | 14,724 | $3.83K | 0.00% | 00.0% | Unchanged |
| BlackRock Inc. | 19,159 | $3.56K | 0.00% | −22,448−54.0% | Reduced |
| XTX Topco Ltd | 16,046 | $2.98K | 0.00% | −14,065−46.7% | Reduced |
| Inscription Capital, LLC | 12,500 | $2.33K | 0.00% | −237,500−95.0% | Reduced |
| Jane Street Group, LLC | 11,219 | $2.09K | 0.00% | +11,219 | New |
| HRT Financial LP | 15,600 | $2.00K | 0.00% | +15,600 | New |
| Bank of America Corp | 217 | $40 | 0.00% | +217 | New |
| JPMorgan Chase & Co | 64 | $12 | 0.00% | +35+120.7% | Added |
| Royal Bank of Canada | 445 | $0 | 0.00% | +262+143.2% | Added |
| Virtu Financial LLC | 0 | $0 | 0.00% | −103,288−100.0% | Sold out |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −34,318−100.0% | Sold out |
| Wells Fargo & Company | 0 | $0 | 0.00% | −207−100.0% | Sold out |
| Groupama Asset Managment | 0 | $0 | 0.00% | −74,000−100.0% | Sold out |