Abpro Holdings, Inc.
ABPWW- Exchange
- OTC
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001893219
No open-market purchases or sales by Abpro Holdings, Inc. insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.
Other share classesABPO
13F holders, Q1 2025
Institutional positions in Abpro Holdings, Inc. as of Mar 31, 2025. 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
- 27
- −2 vs. Q4 2024
- Shares held
- 7.51M
- −499.9K (−6.2%) vs. Q4 2024
- Total value
- $243.4K
- −$360.0K (−59.7%) vs. Q4 2024
- New holders
- 0
- 2 more added
- Sold out
- 2
- 5 more reduced
Compare with Q4 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ABPWW 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 | 0 | $0 |
| Q1 2026 | 4 | $1.11K |
| Q4 2025 | 28 | $135.8K |
| Q3 2025 | 27 | $211.3K |
| Q2 2025 | 29 | $197.8K |
| Q1 2025 | 27 | $243.4K |
| Q4 2024 | 29 | $603.4K |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| 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 2025
Shares, value and share of portfolio for each institution holding Abpro Holdings, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Saba Capital Management, L.P. | 997,048 | $27.7K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | – | $26.3K | 0.00% | – | – |
| Calamos Advisors LLC | 625,000 | $17.3K | 0.00% | 00.0% | Unchanged |
| Highbridge Capital Management LLC | – | $17.3K | 0.00% | – | – |
| MMCAP International Inc. SPC | 675,000 | $17.2K | 0.00% | 00.0% | Unchanged |
| CNH Partners LLC | 631,725 | $16.1K | 0.00% | −10,164−1.6% | Reduced |
| Linden Advisors LP | 499,999 | $13.8K | 0.00% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 472,132 | $12.0K | 0.00% | −2,214−0.5% | Reduced |
| D. E. Shaw & Co., Inc. | 375,000 | $11.3K | 0.00% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 378,328 | $10.5K | 0.00% | 00.0% | Unchanged |
| Cantor Fitzgerald, L. P. | 375,000 | $9.56K | 0.00% | 00.0% | Unchanged |
| Sandia Investment Management LP | 358,427 | $9.14K | 0.03% | 00.0% | Unchanged |
| Clear Street LLC | 327,185 | $8.34K | 0.00% | +1000.0% | Added |
| Aristeia Capital LLC | 273,125 | $7.58K | 0.00% | −5,334−1.9% | Reduced |
| Barclays PLC | 250,000 | $6.38K | 0.00% | −120.0% | Reduced |
| Davidson Kempner Capital Management LP | 250,000 | $6.38K | 0.00% | 00.0% | Unchanged |
| Verition Fund Management LLC | 225,000 | $5.74K | 0.00% | 00.0% | Unchanged |
| Tenor Capital Management Co., L.P. | 200,000 | $5.10K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 179,100 | $4.57K | 0.00% | 00.0% | Unchanged |
| LMR Partners LLP | 125,000 | $3.19K | 0.00% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 125,000 | $3.00K | 0.00% | 00.0% | Unchanged |
| Yakira Capital Management, Inc. | 50,000 | $1.27K | 0.00% | 00.0% | Unchanged |
| Flow Traders U.S. LLC | 24,533 | $1.00K | 0.00% | +1,249+5.4% | Added |
| Sculptor Capital LP | 34,101 | $946 | 0.00% | 00.0% | Unchanged |
| Omers Administration Corp | 25,000 | $695 | 0.00% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 24,999 | $637 | 0.00% | 00.0% | Unchanged |
| Meteora Capital, LLC | 10,354 | $264 | 0.00% | −100−1.0% | Reduced |
| Diametric Capital, LP | 0 | $0 | 0.00% | −358,427−100.0% | Sold out |
| Shaolin Capital Management LLC | 0 | $0 | 0.00% | −125,000−100.0% | Sold out |