Ocean BiomedicalOCEA
13F holders, Q1 2025 (March 31)23holders +2
8new positions
6sold out
1famous investor
$0.05avg. 13F price*
At the end of Q1 2025, 23 institutions reported holding Ocean Biomedical Inc. (OCEA) in their 13F filings, up 2 from Q4 2024. 8 opened new positions and 6 sold out. The largest holders were Polar Asset Management Partners Inc. ($142K), Citadel Advisors ($26K) and Vanguard Group Inc. ($22K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Ocean Biomedical Inc.
- CUSIP
- 67644C104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 8 | $28K |
| Exits | 6 | $104K |
All 13F filers, Q4 2024 → Q1 2025: 1,170,741 shares bought and 206,335 shares sold, net +964,406 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 23 holders
| Polar Asset Management Partners Inc. | 0.01% | No change | 2,688,193 | $142K |
| Citadel Advisors | 0.00% | Add +1107.0% | 473,098 | $26K |
| Vanguard Group Inc. | 0.00% | No change | 406,529 | $22K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | New | 260,496 | $14K |
| UBS Group AG | 0.00% | Add +346.6% | 246,259 | $13K |
| Geode Capital Management, LLC | 0.00% | Reduce -7.8% | 161,571 | $9K |
| Susquehanna International Group, LLP | 0.00% | New | 98,427 | $5K |
| Revolve Wealth Partners, LLC | 0.00% | New | 69,570 | $4K |
| BlackRock, Inc. | 0.00% | Reduce -0.6% | 60,499 | $3K |
| State Street Corp. | 0.00% | No change | 32,800 | $2K |
| Northern Trust Corp. | 0.00% | No change | 26,775 | $1K |
| 180 Wealth Advisors, LLC | 0.00% | New | 25,288 | $1K |
| Baader Bank Aktiengesellschaft | 0.00% | New | 26,796 | $1K |
| Two Sigma Investments, LP | 0.00% | New | 19,871 | $1K |
| Group One Trading LLC | 0.00% | New | 19,002 | $1K |
| HBK Sorce Advisory LLC | 0.00% | New | 11,293 | $610 |
| SBI Securities Co., Ltd. | 0.00% | Add +21176.5% | 3,617 | $195 |
| JPMorgan Chase & Co. | 0.00% | Reduce -1.3% | 233 | $12 |
| Citigroup Inc. | 0.00% | Reduce -97.0% | 142 | $8 |
| BNP Paribas Financial Markets | 0.00% | No change | 143 | $8 |
| Bank of America Corp. | 0.00% | Add +5.8% | 92 | $5 |
| Simplex Trading, LLC | 0.00% | Add +731.7% | 12,933 | $0 |
| FNY Investment Advisers, LLC | 0.00% | No change | 600 | $0 |
"% of holder's portfolio" is OCEA's weight in each manager's 13F, not the share of Ocean Biomedical Inc. the manager owns.