Matinas BioPharma Holdings, Inc. - COMMON STOCK, $0.0001 PAR VALUE PER SHARE (MTNB)

Q: What does CUSIP 576810303 represent in this 13F holders report?

CUSIP 576810303 is the security identifier for MTNB - Matinas BioPharma Holdings, Inc. - COMMON STOCK, $0.0001 PAR VALUE PER SHARE used to aggregate holder disclosures.

Q: How many institutions held MTNB - Matinas BioPharma Holdings, Inc. - COMMON STOCK, $0.0001 PAR VALUE PER SHARE in Q4 2025?

28 institutional investors reported MTNB - Matinas BioPharma Holdings, Inc. - COMMON STOCK, $0.0001 PAR VALUE PER SHARE for Q4 2025. Use the holders table for investor-level position and value details.

CUSIP: 576810303

Q4 2025 13F Holders as of 31 Dec 2025

Security type / class: Equity / COMMON STOCK, $0.0001 PAR VALUE PER SHARE
Total 13F shares: 442,485
Total 13F value: $260,280
Share change: +112,379
SEC-reported price per share: $0.59
Number of holders: 28
Value change: +$3,912
Number of buys: 11
Number of sells: 8
Shares outstanding: 13,694,843

Security key

576810303

Report period

Q4 2025

Institutions

Top holders

MTNB full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2026 Previous quarter: Q3 2025 Matinas BioPharma Holdings, Inc. SEC filings Matinas BioPharma Holdings, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 576810303

Newer quarter: Q1 2026 Previous quarter: Q3 2025

Recent filing periods:

Q2 2026 Q1 2026 Q4 2025 Q3 2025

Ownership snapshot

Top reported holders of MTNB - Matinas BioPharma Holdings, Inc. - COMMON STOCK, $0.0001 PAR VALUE PER SHARE (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Sanitam Partners LLC

Disclosed value leader

Sanitam Partners LLC

Comparable rows

15/15

Latest evidence

30 Sep 2025

13D/G 3/4/5 13F Lead comparable stake: 10% 13D/G row: Sanitam Partners LLC Showing 1-6 of 15 holder rows.

Quick read

Sanitam Partners LLC leads the comparable SEC ownership view at 10%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Sanitam Partners LLC's linked filing trail.

Comparable ownership Top 5

Sanitam Partners LLC 10%

Pembroke & Partners LLC 10%

David E. Lazar 9.8%

111 Equity Group 3.6%

VANGUARD GROUP INC 0.44%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Sanitam Partners LLC	13D/G 3/4/5 STERN ADAM K · 10%+ Owner 13D/G 3/4/5	10%	$10,262,939 17,104,899 shares	+$9,526,394	08 Apr 2025
Pembroke & Partners LLC	13D/G 3/4/5 Robert J. Eide · 10%+ Owner 13D/G 3/4/5	10%	$10,137,427 16,895,712 shares	+$9,526,394	08 Apr 2025
David E. Lazar	13D/G Lazar David E. 13D/G	9.8%	$517,750 545,000 shares	$0	15 Aug 2025
111 Equity Group	13D/G 111 Equity Group LLC 13D/G	3.6%	$110,183 183,639 shares	-$47,617	13 Feb 2025
VANGUARD GROUP INC	13F Company 13F	0.44%	$112,881 59,725 shares	—	30 Sep 2025
GEODE CAPITAL MANAGEMENT, LLC	13F Company 13F	0.41%	$105,805 55,970 shares	—	30 Sep 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

442,485

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders

Q4 2025 holders

Holder diff

Investor	Q3 2025 Shares	Q4 2025 Shares	Share Diff	Share Chg %	Q3 2025 value	Q4 2025 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend