Matinas Biopharma Holdings IMTNB
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 25 institutions reported holding Matinas Biopharma Holdings I (MTNB) in their 13F filings, down 3 from Q1 2026. 2 opened new positions and 5 sold out. The largest holders were Renaissance Technologies ($43K), BlackRock, Inc. ($31K) and Geode Capital Management, LLC ($30K). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Matinas Biopharma Holdings I
- CUSIP
- 576810303
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $18 |
| Exits | 5 | $10K |
All 13F filers, Q1 2026 → Q2 2026: 44,880 shares bought and 74,189 shares sold, net −29,309 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 25 holders
| Renaissance Technologies | 0.00% | Add +148.7% | 71,040 | $43K |
| BlackRock, Inc. | 0.00% | Add +1.2% | 50,262 | $31K |
| Geode Capital Management, LLC | 0.00% | Reduce -24.6% | 49,135 | $30K |
| Vanguard Capital Management LLC | 0.00% | No change | 40,110 | $25K |
| Holos Integrated Wealth LLC | 0.01% | No change | 32,480 | $20K |
| Vanguard Fiduciary Trust Co. | 0.00% | Reduce -5.3% | 17,316 | $11K |
| Susquehanna International Group, LLP | 0.00% | Add +12.3% | 16,093 | $10K |
| Citadel Advisors | 0.00% | Reduce -70.1% | 15,465 | $9K |
| State Street Corp. | 0.00% | No change | 15,322 | $9K |
| Sargent Investment Group, LLC | 0.00% | No change | 12,720 | $8K |
| Tower Research Capital LLC (TRC) | 0.00% | No change | 2,853 | $2K |
| Vanguard Global Advisers, LLC | 0.00% | No change | 1,338 | $819 |
| Morgan Stanley | 0.00% | No change | 344 | $211 |
| Costello Asset Management, INC | 0.00% | No change | 200 | $122 |
| Wells Fargo & Company | 0.00% | No change | 102 | $62 |
| Jones Financial Companies LLLP | 0.00% | No change | 60 | $39 |
| EverSource Wealth Advisors, LLC | 0.00% | No change | 60 | $37 |
| Osaic Holdings, Inc. | 0.00% | Add +4.0% | 52 | $31 |
| Vision Financial Markets LLC | 0.00% | No change | 40 | $26 |
| Northwestern Mutual Wealth Management Co. | 0.00% | New | 20 | $12 |
| Rothschild Investment LLC | 0.00% | No change | 14 | $9 |
| SBI Securities Co., Ltd. | 0.00% | Add +9.1% | 12 | $7 |
| IFG Advisory, LLC | 0.00% | New | 10 | $6 |
| Farther Finance Advisors, LLC | 0.00% | No change | 5 | $3 |
| Bogart Wealth, LLC | 0.00% | No change | 2 | $1 |
"% of holder's portfolio" is MTNB's weight in each manager's 13F, not the share of Matinas Biopharma Holdings I the manager owns.