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.
Q1 2023 vs. Q4 2022
How the institutions holding AmBase Corp changed between Q4 2022 and Q1 2023.
All holders in Q1 2023All holders in Q4 2022
| Measure | Q4 2022 | Q1 2023 | Change |
|---|---|---|---|
| Holders | 1 | 1 | 0 |
| Shares | 345.5K | 345.5K | 0 (0.0%) |
| Value | $24.0K | $34.9K | +$10.9K (+45.4%) |
New holders (0)
Institutions that held AmBase Corp at the end of Q1 2023 but not at the end of Q4 2022.
None.
Sold out (0)
Institutions that held AmBase Corp at the end of Q4 2022 and filed for Q1 2023 without it.
None.