Matinas BioPharma Holdings, Inc.
MTNB- Exchange
- NYSE
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001582554
No open-market purchases or sales by Matinas BioPharma Holdings, Inc. insiders were filed in the last 90 days; 25 institutions reported holding it in 13F filings for Q2 2026, worth $199.2K in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Matinas BioPharma Holdings, Inc. as of Mar 31, 2026. 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
- 28
- 0 vs. Q4 2025
- Shares held
- 354.4K
- −28.4K (−7.4%) vs. Q4 2025
- Total value
- $177.3K
- −$48.0K (−21.3%) vs. Q4 2025
- New holders
- 5
- 2 more added
- Sold out
- 5
- 7 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MTNB 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 | 25 | $199.2K |
| Q1 2026 | 28 | $177.3K |
| Q4 2025 | 30 | $260.3K |
| Q3 2025 | 28 | $617.7K |
| Q2 2025 | 24 | $254.1K |
| Q1 2025 | 25 | $166.5K |
| Q4 2024 | 22 | $194.1K |
| Q3 2024 | 18 | $1.97M |
| Q2 2024 | 48 | $6.15M |
| Q1 2024 | 42 | $6.91M |
| Q4 2023 | 52 | $5.61M |
| Q3 2023 | 47 | $3.37M |
| Q2 2023 | 51 | $9.31M |
| Q1 2023 | 51 | $12.6M |
| Q4 2022 | 57 | $13.6M |
| Q3 2022 | 55 | $18.0M |
| Q2 2022 | 50 | $21.5M |
| Q1 2022 | 56 | $20.3M |
| Q4 2021 | 66 | $27.4M |
| Q3 2021 | 67 | $33.5M |
| Q2 2021 | 67 | $29.2M |
| Q1 2021 | 80 | $41.7M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Matinas BioPharma Holdings, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Geode Capital Management, LLC | 65,170 | $32.6K | 0.00% | +9,200+16.4% | Added |
| Citadel Advisors LLC | 51,698 | $25.8K | 0.00% | −14,036−21.4% | Reduced |
| BlackRock, Inc. | 49,650 | $24.8K | 0.00% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 40,110 | $20.1K | 0.00% | +40,110 | New |
| Holos Integrated Wealth LLC | 32,480 | $16.3K | 0.01% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 28,570 | $14.3K | 0.00% | −400−1.4% | Reduced |
| XTX Topco Ltd | 20,706 | $10.4K | 0.00% | +3,797+22.5% | Added |
| Vanguard Fiduciary Trust Co | 18,277 | $9.14K | 0.00% | +18,277 | New |
| State Street Corp | 15,322 | $7.66K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 14,328 | $7.16K | 0.00% | −6,785−32.1% | Reduced |
| Sargent Investment Group, LLC | 12,720 | $6.36K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,853 | $1.43K | 0.00% | −8−0.3% | Reduced |
| Vanguard Global Advisers, LLC | 1,338 | $669 | 0.00% | +1,338 | New |
| Morgan Stanley | 344 | $172 | 0.00% | −217−38.7% | Reduced |
| Costello Asset Management, INC | 200 | $100 | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 184 | $92 | 0.00% | −423−69.7% | Reduced |
| Wells Fargo & Company | 102 | $51 | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 60 | $34 | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 61 | $31 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 60 | $30 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 50 | $25 | 0.00% | 00.0% | Unchanged |
| Vision Financial Markets LLC | 40 | $20 | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 14 | $7 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 11 | $6 | 0.00% | 00.0% | Unchanged |
| FMR LLC | 7 | $4 | 0.00% | +7 | New |
| Farther Finance Advisors, LLC | 5 | $3 | 0.00% | −417−98.8% | Reduced |
| MAI Capital Management | 2 | $1 | 0.00% | 00.0% | Unchanged |
| Bogart Wealth, LLC | 2 | $1 | 0.00% | +2 | New |
| DRW Securities, LLC | 0 | $0 | 0.00% | −46,374−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −15,899−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −15,569−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −991−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Motiv8 Investments LLC | – | – | – | – | Not filed |