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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, Q2 2026

Institutional positions in Matinas BioPharma Holdings, Inc. as of Jun 30, 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
25
−3 vs. Q1 2026
Shares held
325.1K
−29.3K (−8.3%) vs. Q1 2026
Total value
$199.2K
+$22.0K (+12.4%) vs. Q1 2026
New holders
2
5 more added
Sold out
5
3 more reduced

Compare with Q1 2026: 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.

Institutional holdersQ2 2026: 25 institutions
Q1 2021: 80 institutionsQ2 2021: 67 institutionsQ3 2021: 67 institutionsQ4 2021: 66 institutionsQ1 2022: 56 institutionsQ2 2022: 50 institutionsQ3 2022: 55 institutionsQ4 2022: 57 institutionsQ1 2023: 51 institutionsQ2 2023: 51 institutionsQ3 2023: 47 institutionsQ4 2023: 52 institutionsQ1 2024: 42 institutionsQ2 2024: 48 institutionsQ3 2024: 18 institutionsQ4 2024: 22 institutionsQ1 2025: 25 institutionsQ2 2025: 24 institutionsQ3 2025: 28 institutionsQ4 2025: 30 institutionsQ1 2026: 28 institutionsQ2 2026: 25 institutions
Value heldQ2 2026: $199.2K
Q1 2021: $41.7MQ2 2021: $29.2MQ3 2021: $33.5MQ4 2021: $27.4MQ1 2022: $20.3MQ2 2022: $21.5MQ3 2022: $18.4MQ4 2022: $13.6MQ1 2023: $12.6MQ2 2023: $9.31MQ3 2023: $3.37MQ4 2023: $5.62MQ1 2024: $6.95MQ2 2024: $6.16MQ3 2024: $1.98MQ4 2024: $194.1KQ1 2025: $166.5KQ2 2025: $254.1KQ3 2025: $617.7KQ4 2025: $260.3KQ1 2026: $177.3KQ2 2026: $199.2K
Institutions holding MTNB and their total value by quarter
QuarterHoldersValue
Q2 202625$199.2K
Q1 202628$177.3K
Q4 202530$260.3K
Q3 202528$617.7K
Q2 202524$254.1K
Q1 202525$166.5K
Q4 202422$194.1K
Q3 202418$1.98M
Q2 202448$6.16M
Q1 202442$6.95M
Q4 202352$5.62M
Q3 202347$3.37M
Q2 202351$9.31M
Q1 202351$12.6M
Q4 202257$13.6M
Q3 202255$18.4M
Q2 202250$21.5M
Q1 202256$20.3M
Q4 202166$27.4M
Q3 202167$33.5M
Q2 202167$29.2M
Q1 202180$41.7M

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Matinas BioPharma Holdings, Inc.; share changes are against Q1 2026.

Institutions holding MTNB in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Renaissance Technologies LLC71,040$43.5K0.00%+42,470+148.7%Added
BlackRock, Inc.50,262$30.8K0.00%+612+1.2%Added
Geode Capital Management, LLC49,135$30.1K0.00%−16,035−24.6%Reduced
Vanguard Capital Management LLC40,110$24.5K0.00%00.0%Unchanged
Holos Integrated Wealth LLC32,480$20.2K0.01%00.0%Unchanged
Vanguard Fiduciary Trust Co17,316$10.6K0.00%−961−5.3%Reduced
Susquehanna International Group, LLP16,093$9.85K0.00%+1,765+12.3%Added
Citadel Advisors LLC15,465$9.46K0.00%−36,233−70.1%Reduced
State Street Corp15,322$9.38K0.00%00.0%Unchanged
Sargent Investment Group, LLC12,720$7.79K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)2,853$1.75K0.00%00.0%Unchanged
Vanguard Global Advisers, LLC1,338$8190.00%00.0%Unchanged
Morgan Stanley344$2110.00%00.0%Unchanged
Costello Asset Management, INC200$1220.00%00.0%Unchanged
Wells Fargo & Company102$620.00%00.0%Unchanged
Jones Financial Companies LLLP60$390.00%00.0%Unchanged
EverSource Wealth Advisors, LLC60$370.00%00.0%Unchanged
Advisor Group Holdings, Inc.52$310.00%+2+4.0%Added
Vision Financial Markets LLC40$260.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co20$120.00%+20New
Rothschild Investment LLC14$90.00%00.0%Unchanged
SBI Securities Co., Ltd.12$70.00%+1+9.1%Added
IFG Advisory, LLC10$60.00%+10New
Farther Finance Advisors, LLC5$30.00%00.0%Unchanged
Bogart Wealth, LLC2$10.00%00.0%Unchanged
XTX Topco Ltd0$00.00%−20,706−100.0%Sold out
UBS Group AG0$00.00%−184−100.0%Sold out
Steward Partners Investment Advisory, LLC0$00.00%−61−100.0%Sold out
FMR LLC0$00.00%−7−100.0%Sold out
MAI Capital Management0$00.00%−2−100.0%Sold out