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.
Q2 2023 vs. Q1 2023
How the institutions holding Castellum, Inc. changed between Q1 2023 and Q2 2023.
All holders in Q2 2023All holders in Q1 2023
| Measure | Q1 2023 | Q2 2023 | Change |
|---|---|---|---|
| Holders | 14 | 17 | +3 |
| Shares | 904.7K | 1.11M | +210.2K (+23.2%) |
| Value | $989.3K | $565.7K | −$423.6K (−42.8%) |
New holders (5)
Institutions that held Castellum, Inc. at the end of Q2 2023 but not at the end of Q1 2023.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Magnus Financial Group LLC | 250,000 | $125.0K | 0.02% |
| BlackRock Inc. | 49,387 | $24.7K | 0.00% |
| Virtu Financial LLC | 20,212 | $10.0K | 0.00% |
| Renaissance Technologies LLC | 14,600 | $7.00K | 0.00% |
| Tower Research Capital LLC (TRC) | 2,525 | $1.26K | 0.00% |
Sold out (2)
Institutions that held Castellum, Inc. at the end of Q1 2023 and filed for Q2 2023 without it.
| Institution | Shares, Q1 2023 | Value, Q1 2023 |
|---|---|---|
| Walleye Capital LLC | 95,542 | $104.1K |
| Tfo-TDC, LLC | 500 | $545 |