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.
Q4 2023 vs. Q3 2023
How the institutions holding Castellum, Inc. changed between Q3 2023 and Q4 2023.
All holders in Q4 2023All holders in Q3 2023
| Measure | Q3 2023 | Q4 2023 | Change |
|---|---|---|---|
| Holders | 17 | 20 | +3 |
| Shares | 1.12M | 1.80M | +675.2K (+60.1%) |
| Value | $262.2K | $534.7K | +$272.4K (+103.9%) |
New holders (5)
Institutions that held Castellum, Inc. at the end of Q4 2023 but not at the end of Q3 2023.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Inscription Capital, LLC | 250,000 | $74.5K | 0.02% |
| Citadel Advisors LLC | 66,865 | $19.9K | 0.00% |
| Virtu Financial LLC | 56,682 | $17.0K | 0.00% |
| XTX Topco Ltd | 14,769 | $4.40K | 0.00% |
| Royal Bank of Canada | 298 | $0 | 0.00% |
Sold out (2)
Institutions that held Castellum, Inc. at the end of Q3 2023 and filed for Q4 2023 without it.
| Institution | Shares, Q3 2023 | Value, Q3 2023 |
|---|---|---|
| Two Sigma Securities, LLC | 30,060 | $6.92K |
| UBS Group AG | 75 | $17 |