AmBase Corp
ABCP- Exchange
- OTC
- Industry
- Opeators of Nonresidential Buildings
- SEC CIK
- 0000020639
No open-market purchases or sales by AmBase Corp insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.
Q2 2025 vs. Q1 2025
How the institutions holding AmBase Corp changed between Q1 2025 and Q2 2025.
All holders in Q2 2025All holders in Q1 2025
| Measure | Q1 2025 | Q2 2025 | Change |
|---|---|---|---|
| Holders | 1 | 0 | −1 |
| Shares | 26.0K | 0 | −26.0K (−100.0%) |
| Value | $7.95K | $0 | −$7.95K (−100.0%) |
New holders (0)
Institutions that held AmBase Corp at the end of Q2 2025 but not at the end of Q1 2025.
None.
Sold out (1)
Institutions that held AmBase Corp at the end of Q1 2025 and filed for Q2 2025 without it.
| Institution | Shares, Q1 2025 | Value, Q1 2025 |
|---|---|---|
| Kingswood Wealth Advisors, LLC | 26,000 | $7.95K |