MTNB did a 1-for-15 reverse split on Sep 28, 2026. Fund positions use its last close before the split, $0.1600 on Sep 15, 2026, until the new shares are matched.

MTNB

MATINAS BIOPHARMA HOLDINGS I

MTNB·576810105·UQ·Common Stock·Healthcare - Biotechnology

MTNB (MATINAS BIOPHARMA HOLDINGS I) is held by 15 institutional investors as of Q2 2026. Largest holders: RENAISSANCE TECHNOLOGIES LLC ($43,476), BlackRock, Inc. ($30,761), GEODE CAPITAL MANAGEMENT, LLC ($30,077). Net institutional sentiment: Mixed.

15
Holders
(1 Elite)
$169,326
Total Value
38% (13)
Consensus
5 buying - 8 selling
13F: Insider & Congress: Updated regularly
MTNB

Smart Money Verdict

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Held by 15 funds
1 elite

Who's Trading

Source dates: Price Oct 14, 2026 · Insiders Aug 13, 2026 · Activists none · Congress none

InsiderSKSTERN ADAM KExer-X 630K shJul 10, 2026
InsiderSKSTERN ADAM KExer-X 345K shJul 10, 2026
InsiderSKSTERN ADAM KExer-X 92K shOct 31, 2025

Top Holders

Checking access…
Action
Increased
71,040(+148.7%)$43,4760.0%-75.70%
33
Increased
50,262(+1.2%)$30,7610.0%-69.30%
13
Decreased
49,135(-24.6%)$30,0770.0%-99.46%
0
Unchanged
40,110$24,5470.0%-73.33%
0
Decreased
17,316(-5.3%)$10,5970.0%-73.33%
0
Increased
16,093(+12.3%)$9,8490.0%-72.58%
13
Decreased
15,465(-70.1%)$9,4650.0%-72.41%
0
Unchanged
15,322$9,3770.0%-98.46%
0
Unchanged
1,338$8190.0%-73.33%
0
Unchanged
344$2110.0%-95.35%
0
Unchanged
102$620.0%-97.86%
0
Unchanged
60$390.0%-82.61%
0
Increased
52(+4.0%)$310.0%-99.61%
8
New
20$120.0%-73.86%
17
Unchanged
5$30.0%-91.51%
0
Exited
0(-100.0%)$10.0%-33.48%
0
Exited
0(-100.0%)$10,3530.0%+4.85%
0
Exited
0(-100.0%)$920.0%-33.38%
0
Exited
0(-100.0%)$40.0%+2.00%
0
Exited
0(-100.0%)$310.0%-98.63%
0

Showing 1-20 of 20

MTNBMTNBMATINAS BIOPHARMA HOLDINGS I

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Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer

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