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 |
|---|---|---|---|---|---|
| Royal Bank of Canada | 298 | $0 | 0.00% | +298 | New |
| Bank of America Corp | 8 | $2 | 0.00% | −1,029−99.2% | Reduced |
| JPMorgan Chase & Co | 14 | $4 | 0.00% | +5+55.6% | Added |
| Wells Fargo & Company | 161 | $48 | 0.00% | +9+5.9% | Added |
| Ronald Blue Trust, Inc. | 14,724 | $3.00K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 14,769 | $4.40K | 0.00% | +14,769 | New |
| Tower Research Capital LLC (TRC) | 20,873 | $6.22K | 0.00% | +9,298+80.3% | Added |
| Charles Schwab Investment Management Inc | 34,318 | $10.2K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 46,025 | $13.7K | 0.00% | 00.0% | Unchanged |
| BlackRock Inc. | 46,921 | $14.0K | 0.00% | −548−1.2% | Reduced |
| State Street Corp | 49,900 | $14.9K | 0.00% | 00.0% | Unchanged |
| Almanack Investment Partners, LLC. | 50,000 | $14.9K | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 56,682 | $17.0K | 0.00% | +56,682 | New |
| Citadel Advisors LLC | 66,865 | $19.9K | 0.00% | +66,865 | New |
| Vanguard Group Inc | 83,675 | $24.9K | 0.00% | +30,506+57.4% | Added |
| Kestra Private Wealth Services, LLC | 153,323 | $45.7K | 0.00% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 156,682 | $46.7K | 0.00% | 00.0% | Unchanged |
| 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 |
| Meridian Wealth Management, LLC | 503,500 | $150.0K | 0.01% | +278,500+123.8% | Added |
| 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 |