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, Q4 2023
Institutional positions in Castellum, Inc. as of Dec 31, 2023. 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
- 20
- +3 vs. Q3 2023
- Shares held
- 1.80M
- +675.2K (+60.1%) vs. Q3 2023
- Total value
- $534.7K
- +$272.4K (+103.9%) vs. Q3 2023
- New holders
- 5
- 5 more added
- Sold out
- 2
- 2 more reduced
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Castellum, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Meridian Wealth Management, LLC | 503,500 | $150.0K | 0.01% | +278,500+123.8% | Added |
| Magnus Financial Group LLC | 250,000 | $74.5K | 0.01% | 00.0% | Unchanged |
| Inscription Capital, LLC | 250,000 | $74.5K | 0.02% | +250,000 | New |
| Geode Capital Management, LLC | 156,682 | $46.7K | 0.00% | 00.0% | Unchanged |
| Kestra Private Wealth Services, LLC | 153,323 | $45.7K | 0.00% | 00.0% | Unchanged |
| Vanguard Group Inc | 83,675 | $24.9K | 0.00% | +30,506+57.4% | Added |
| Citadel Advisors LLC | 66,865 | $19.9K | 0.00% | +66,865 | New |
| Virtu Financial LLC | 56,682 | $17.0K | 0.00% | +56,682 | New |
| Almanack Investment Partners, LLC. | 50,000 | $14.9K | 0.00% | 00.0% | Unchanged |
| State Street Corp | 49,900 | $14.9K | 0.00% | 00.0% | Unchanged |
| BlackRock Inc. | 46,921 | $14.0K | 0.00% | −548−1.2% | Reduced |
| Northern Trust Corp | 46,025 | $13.7K | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 34,318 | $10.2K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 20,873 | $6.22K | 0.00% | +9,298+80.3% | Added |
| XTX Topco Ltd | 14,769 | $4.40K | 0.00% | +14,769 | New |
| Ronald Blue Trust, Inc. | 14,724 | $3.00K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 161 | $48 | 0.00% | +9+5.9% | Added |
| JPMorgan Chase & Co | 14 | $4 | 0.00% | +5+55.6% | Added |
| Bank of America Corp | 8 | $2 | 0.00% | −1,029−99.2% | Reduced |
| Royal Bank of Canada | 298 | $0 | 0.00% | +298 | New |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −30,060−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −75−100.0% | Sold out |