MTNB — MATINAS BIOPHARMA HLDGS INC
Reported value held$559.69K
Funds holding (latest)20
SectorHealth Care
Funds holding (Q2 2026)6
Institutional value$114.05K · 186.35K sh
New / Add / Cut / Exit0 / 2 / 2 / 2
Top-5 / Top-10 concentration99.9% / 100.0%
Institutional holdings change
Reducing -4.8%
(-9.38K sh)
Institutional value change
Up +16.5%
As of Q2 2026, 6 SEC-registered investment managers reported holding MTNB (MATINAS BIOPHARMA HLDGS INC) in their latest 13F filings, with a combined reported value of $114.05K across 186.35K shares. That is -4.8% by share count (-9.38K shares) versus the previous quarter, while reported value moved +16.5%. Ownership is concentrated: the five largest holders account for 99.9% of reported value and the top ten for 100.0%.
Compared with the prior quarter, 2 added to existing stakes, 2 trimmed, 2 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
MTNB is classified in the Health Care sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
Q2 2026 — 6 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Renaissance Technologies history | 71.04K | $43.48K | 0.00% | Add |
| BlackRock Inc history | 50.26K | $30.76K | 0.00% | Add |
| Geode Capital Management history | 49.13K | $30.08K | 0.00% | Reduce |
| Citadel Advisors history | 15.46K | $9.46K | 0.00% | Reduce |
| Morgan Stanley history | 344 | $211 | 0.00% | Hold |
| Wells Fargo & Co history | 102 | $62 | 0.00% | Hold |
Q1 2026 — 8 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Geode Capital Management history | 65.17K | $32.59K | 0.00% | Add |
| Citadel Advisors history | 51.70K | $25.85K | 0.00% | Reduce |
| BlackRock Inc history | 49.65K | $24.82K | 0.00% | Hold |
| Renaissance Technologies history | 28.57K | $14.29K | 0.00% | Reduce |
| Morgan Stanley history | 344 | $172 | 0.00% | Reduce |
| UBS Group AG history | 184 | $92 | 0.00% | Reduce |
| Wells Fargo & Co history | 102 | $51 | 0.00% | Hold |
| Fidelity Management & Research (FMR) history | 7 | $4 | 0.00% | New |
Q4 2025 — 9 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Citadel Advisors history | 65.73K | $38.52K | 0.00% | New |
| Vanguard Group history | 59.73K | $35.00K | 0.00% | Hold |
| Geode Capital Management history | 55.97K | $32.80K | 0.00% | Hold |
| BlackRock Inc history | 49.65K | $29.09K | 0.00% | Hold |
| Renaissance Technologies history | 28.97K | $16.98K | 0.00% | Add |
| Bank of America Corp history | 991 | $581 | 0.00% | Add |
| UBS Group AG history | 607 | $356 | 0.00% | Add |
| Morgan Stanley history | 561 | $328 | 0.00% | Hold |
| Wells Fargo & Co history | 102 | $60 | 0.00% | Hold |
Q3 2025 — 11 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Vanguard Group history | 59.73K | $112.88K | 0.00% | Hold |
| Geode Capital Management history | 55.97K | $105.81K | 0.00% | Add |
| BlackRock Inc history | 49.65K | $93.84K | 0.00% | Hold |
| Renaissance Technologies history | 28.27K | $53.43K | 0.00% | Add |
| Northern Trust Corp history | 22.59K | $42.70K | 0.00% | New |
| Citigroup Inc history | 1.26K | $2.38K | 0.00% | New |
| Bank of America Corp history | 979 | $1.85K | 0.00% | Hold |
| Morgan Stanley history | 561 | $1.06K | 0.00% | Add |
| UBS Group AG history | 200 | $378 | 0.00% | Add |
| Wells Fargo & Co history | 102 | $193 | 0.00% | Hold |
| Fidelity Management & Research (FMR) history | 5 | $9 | 0.00% | Add |
Q2 2025 — 9 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Vanguard Group history | 59.73K | $53.16K | 0.00% | Hold |
| Geode Capital Management history | 55.49K | $49.40K | 0.00% | Add |
| BlackRock Inc history | 49.65K | $44.19K | 0.00% | Hold |
| Renaissance Technologies history | 24.67K | $21.96K | 0.00% | Add |
| Bank of America Corp history | 982 | $873 | 0.00% | Add |
| Morgan Stanley history | 144 | $128 | 0.00% | Hold |
| UBS Group AG history | 110 | $98 | 0.00% | Reduce |
| Wells Fargo & Co history | 102 | $91 | 0.00% | Hold |
| Fidelity Management & Research (FMR) history | 2 | $2 | 0.00% | Add |
Q1 2025 — 10 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Vanguard Group history | 59.73K | $31.06K | 0.00% | Reduce |
| BlackRock Inc history | 49.65K | $25.82K | 0.00% | Hold |
| Geode Capital Management history | 46.74K | $24.31K | 0.00% | Add |
| Renaissance Technologies history | 22.37K | $11.63K | 0.00% | Add |
| UBS Group AG history | 1.64K | $853 | 0.00% | Reduce |
| Bank of America Corp history | 976 | $507 | 0.00% | Hold |
| JPMorgan Chase & Co history | 904 | $470 | 0.00% | Hold |
| Morgan Stanley history | 144 | $75 | 0.00% | Hold |
| Wells Fargo & Co history | 102 | $53 | 0.00% | Hold |
| Fidelity Management & Research (FMR) history | 1 | $1 | 0.00% | New |
New Positions (Q2 2026)
No fund opened a new position this quarter.
Fully Exited (vs previous quarter)
- UBS Group AG sold 184 sh · $92
- Fidelity Management & Research (FMR) sold 7 sh · $4
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q2 2026 | Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 | Q1 2025 | Q4 2024 | Q3 2024 | Q2 2024 | Q1 2024 | Q4 2023 | Q3 2023 | Q2 2023 | Q1 2023 | Q4 2022 | Q3 2022 | Q2 2022 | Q1 2022 | Q4 2021 | Q3 2021 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Renaissance Technologies | 71.04K | 28.57K | 28.97K | 28.27K | 24.67K | 22.37K | 18.17K | — | 447.14K | 414.04K | 371.64K | 214.34K | 146.10K | 171.93K | 121.10K | 33.80K | — | — | — | — |
| BlackRock Inc | 50.26K | 49.65K | 49.65K | 49.65K | 49.65K | 49.65K | 49.65K | 49.65K | — | — | — | — | — | — | — | — | — | — | — | — |
| Geode Capital Management | 49.13K | 65.17K | 55.97K | 55.97K | 55.49K | 46.74K | 43.47K | 46.73K | 2.29M | 2.14M | 1.58M | 1.96M | 1.96M | 1.80M | 1.80M | 1.69M | 1.55M | 1.63M | 1.59M | 1.39M |
| Citadel Advisors | 15.46K | 51.70K | 65.73K | — | — | — | — | — | — | — | — | — | — | — | 52.11K | 20.80K | — | — | 118.04K | 184.87K |
| Morgan Stanley | 344 | 344 | 561 | 561 | 144 | 144 | 144 | 520 | 46.00K | 47.51K | 27.50K | 30.00K | 30.00K | 37.24K | 38.97K | 19.89K | 39.87K | 52.97K | 71.47K | 54.46K |
| Wells Fargo & Co | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 1.10K | 355.07K | 106.77K | 231.75K | 506.66K | 566.55K | 6.58K | 6.55K | 20.94K | 20.81K | 20.70K | 20.69K | 19.68K |
| Fidelity Management & Research (FMR) | — | 7 | — | 5 | 2 | 1 | — | — | — | 5.00K | 3.50K | — | — | — | — | — | — | 7.40K | — | — |
| Bank of America Corp | — | — | 991 | 979 | 982 | 976 | 975 | 1.02K | 48.71K | 129.87K | 272 | — | — | 6 | 931 | 1.66K | 3.64K | 3.64K | 146.35K | 1.82K |
| Citigroup Inc | — | — | — | 1.26K | — | — | — | — | — | — | — | — | — | — | 180 | 180 | 178 | 178 | 178 | — |
| Northern Trust Corp | — | — | — | 22.59K | — | — | — | — | 430.31K | 430.65K | 362.28K | 362.28K | 362.28K | 363.46K | 346.58K | 346.58K | 318.32K | 318.32K | 330.82K | 330.82K |
| UBS Group AG | — | 184 | 607 | 200 | 110 | 1.64K | 12.31K | 3.43K | — | 44.89K | — | — | 14.31K | — | 11.85K | — | — | — | — | 10.29K |
| Vanguard Group | — | — | 59.73K | 59.73K | 59.73K | 59.73K | 106.49K | 186.36K | 9.32M | 9.32M | 9.32M | 8.75M | 8.72M | 8.76M | 8.61M | 8.43M | 8.41M | 7.88M | 7.93M | 7.88M |
| JPMorgan Chase & Co | — | — | — | — | — | 904 | 904 | 912 | 45.59K | 45.50K | 45.39K | 45.25K | 45.00K | 45.00K | 45.00K | 45.00K | 45.00K | 45.00K | 45.00K | 45.00K |
| Goldman Sachs Group | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 35.20K | — | — | — | 46.46K | — |
| Balyasny Asset Management | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 99.12K | — | — | — | — |
| BNY Mellon | — | — | — | — | — | — | — | — | 20.15K | 20.15K | 90.15K | 90.15K | 165.12K | 165.66K | 165.66K | 166.25K | 166.25K | 169.46K | 169.46K | 169.46K |
| Millennium Management | — | — | — | — | — | — | — | — | — | — | — | — | 17.78K | 211.93K | 239.40K | — | — | — | — | — |
| Charles Schwab Investment Management | — | — | — | — | — | — | — | — | — | — | — | — | 78.39K | 78.39K | 78.39K | 78.39K | 78.39K | 78.39K | 78.39K | 78.39K |
| T. Rowe Price Associates | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 169.80K |
| Manulife Financial | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 18.95K |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details