2026-09-04
No AI summary for this filing type
View Full Filing (SEC EDGAR)Matinas Biopharma Holdings I
$0.19-9.8%
-$5.1K
Net Activity
-8.27% total shares
Institutions Holding
25
Popularity Rank
#7898
Avg Weight
0.00%
Total Value
$199.2K
Market Cap
$1.0M
25 institutions currently hold MTNB, with 7 net buyers and 9 net sellers this quarter.
Institutional Moves (Q2 2026)
Neutral
Based on recent trading activity
Net Selling Institutions
9
Net Buying Institutions
7
Top 5 by Value
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Across its top 20 institutional holders, MTNB's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 8/100, avg. turnover score 30/100).
MTNB ranks #7898 out of 37507 tracked stocks by institutional interest, inside the more closely watched half of our coverage.
MTNB is a disclosed holding of Jim Simons (Renaissance Technologies), one of the tracked superinvestors on AlphaSMO — it makes up 0.0% of that fund's own 13F portfolio.
25 institutions disclose a position in MTNB, but none treat it as a major bet — even Holos Integrated Wealth LLC, its most concentrated holder, allocates just 0.0% of its own portfolio to it.
Ken Griffin has trimmed its MTNB position for two straight quarters, cutting it by $29.1K while still holding $9.5K.
MTNB reported a net loss of $6.7M over the trailing twelve months.
+$27.5K
Total Buy Value
$65.2K
Total Sell Value
7
Net Buyers
9
Net Sellers
MTNB
Q2 2026
Top 5 Institutional Movers
MTNB does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-06-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
No Form 144 planned sale filings in the last 90 days
1
Active 5%+ Holders
| Reporting Person | Type | Filing Date | % of Class |
|---|---|---|---|
| Sanitam Partners LLC | 13D/A | 2026-08-13 | 10.0% |
4
Filings (14d)
No AI summary for this filing type
View Full Filing (SEC EDGAR)Matinas BioPharma Holdings (ticker MTNB) disclosed on July 23, 2026, that BTIG, LLC had terminated the At-The-Market Sales Agreement between the two parties, effective immediately. The agreement, originally signed in July 2020, allowed Matinas to sell up to $50 million worth of common stock through BTIG in at-the-market offerings. The termination was initiated by BTIG under Section 12(a) of the agreement, with no penalties or expenses due from the company.
View Full Filing (SEC EDGAR)On July 10, 2026, Matinas BioPharma entered into a business combination agreement with GH Power Inc., a Canadian company. Under the deal, Matinas will merge into a newly formed public company, and Matinas shareholders will receive 0.1 shares of the new company for each Matinas common share they own. Based on the agreed valuations ($24.7 million for Matinas, $250 million for GH Power), Matinas equityholders are expected to own about 9% of the combined company, while GH Power equityholders will own about 91%. Additionally, a former financial advisor to Matinas will receive $2 million in cash and $2 million in shares of the new company upon closing.
View Full Filing (SEC EDGAR)No AI summary for this filing type
View Full Filing (SEC EDGAR)576810303
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,254
Total reported value
$2.2T
3236 13F institutions increased their position this quarter
Institutions Holding
6,001
Total reported value
$3.6T
3039 13F institutions increased their position this quarter
Institutions Holding
6,165
Total reported value
$1.8T
2981 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
4,072
Total reported value
$377.7B
Held by 4072 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
6,153
Total reported value
$2.9T
Held by 6153 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
5,818
Total reported value
$1.8T
Held by 5818 institutions — one of the most-tracked stocks on AlphaSMO
Access MTNB's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/MTNBCLI
npx alphasmo stocks get MTNB