Matinas Biopharma Holdings IMTNB
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 30 institutions reported holding Matinas Biopharma Holdings I (MTNB) in their 13F filings, up 2 from Q3 2025. 8 opened new positions and 6 sold out. The largest holders were Citadel Advisors ($39K), Vanguard Group Inc. ($35K) and Geode Capital Management, LLC ($33K). 2 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Matinas Biopharma Holdings I
- CUSIP
- 576810303
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 8 | $106K |
| Exits | 6 | $90K |
All 13F filers, Q3 2025 → Q4 2025: 184,146 shares bought and 71,763 shares sold, net +112,383 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 30 holders
| Citadel Advisors | 0.00% | New | 65,734 | $39K |
| Vanguard Group Inc. | 0.00% | No change | 59,725 | $35K |
| Geode Capital Management, LLC | 0.00% | No change | 55,970 | $33K |
| BlackRock, Inc. | 0.00% | No change | 49,650 | $29K |
| DRW Securities, LLC | 0.00% | New | 46,374 | $27K |
| Holos Integrated Wealth LLC | 0.01% | No change | 32,480 | $20K |
| Renaissance Technologies | 0.00% | Add +2.5% | 28,970 | $17K |
| Susquehanna International Group, LLP | 0.00% | New | 21,113 | $12K |
| XTX Topco Ltd | 0.00% | New | 16,909 | $10K |
| Jane Street Group, LLC | 0.00% | New | 15,899 | $9K |
| Virtu Financial LLC | 0.00% | New | 15,569 | $9K |
| State Street Corp. | 0.00% | No change | 15,322 | $9K |
| Sargent Investment Group, LLC | 0.00% | Reduce -65.3% | 12,720 | $7K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +97.9% | 2,861 | $2K |
| Bank of America Corp. | 0.00% | Add +1.2% | 991 | $581 |
| UBS Group AG | 0.00% | Add +203.5% | 607 | $356 |
| Morgan Stanley | 0.00% | No change | 561 | $328 |
| Farther Finance Advisors, LLC | 0.00% | No change | 422 | $247 |
| Costello Asset Management, INC | 0.00% | No change | 200 | $117 |
| Wells Fargo & Company | 0.00% | No change | 102 | $60 |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 61 | $36 |
| Jones Financial Companies LLLP | 0.00% | No change | 60 | $35 |
| EverSource Wealth Advisors, LLC | 0.00% | No change | 60 | $35 |
| Osaic Holdings, Inc. | 0.00% | Reduce -76.2% | 50 | $28 |
| Vision Financial Markets LLC | 0.00% | No change | 40 | $24 |
| Rothschild Investment LLC | 0.00% | No change | 14 | $8 |
| SBI Securities Co., Ltd. | 0.00% | No change | 11 | $6 |
| SageView Advisory Group, LLC | 0.00% | New | 10 | $6 |
| MAI Capital Management | 0.00% | No change | 2 | $2 |
| Motiv8 Investments LLC | 0.00% | New | 4 | $0 |
"% of holder's portfolio" is MTNB's weight in each manager's 13F, not the share of Matinas Biopharma Holdings I the manager owns.