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 2023
Institutional positions in Castellum, Inc. as of Mar 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
- 14
- +1 vs. Q4 2022
- Shares held
- 904.7K
- +95.7K (+11.8%) vs. Q4 2022
- Total value
- $989.3K
- −$30.2K (−3.0%) vs. Q4 2022
- New holders
- 5
- 4 more added
- Sold out
- 4
- 2 more reduced
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Castellum, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Geode Capital Management, LLC | 225,827 | $246.2K | 0.00% | 00.0% | Unchanged |
| Meridian Wealth Management, LLC | 187,300 | $204.2K | 0.02% | +68,300+57.4% | Added |
| Kestra Private Wealth Services, LLC | 153,323 | $167.1K | 0.01% | +78,519+105.0% | Added |
| Walleye Capital LLC | 95,542 | $104.1K | 0.00% | −31,958−25.1% | Reduced |
| Almanack Investment Partners, LLC. | 50,000 | $54.5K | 0.01% | 00.0% | Unchanged |
| Northern Trust Corp | 46,025 | $50.2K | 0.00% | −14,819−24.4% | Reduced |
| CIBC Asset Management Inc | 39,629 | $43.2K | 0.00% | +39,629 | New |
| Charles Schwab Investment Management Inc | 34,318 | $37.4K | 0.00% | 00.0% | Unchanged |
| Vanguard Group Inc | 22,193 | $24.2K | 0.00% | +22,193 | New |
| Integrated Wealth Concepts LLC | 20,000 | $22.0K | 0.00% | +20,000 | New |
| Ronald Blue Trust, Inc. | 14,724 | $19.0K | 0.00% | +14,724 | New |
| State Street Corp | 15,100 | $16.5K | 0.00% | +15,100 | New |
| Tfo-TDC, LLC | 500 | $545 | 0.00% | +482+2,677.8% | Added |
| Wells Fargo & Company | 224 | $244 | 0.00% | +2+0.9% | Added |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −73,519−100.0% | Sold out |
| Warberg Asset Management LLC | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −19,049−100.0% | Sold out |
| Morgan Stanley | 0 | $0 | 0.00% | −3,901−100.0% | Sold out |