DiaMedica Therapeutics Inc. (DMAC) Ownership

NASDAQ: DMACTop holders, insider trades and short interest.

DMAC ownership summary

as of October 17, 2026
Institutions
40.9%
of shares outstanding
Insiders
27.83%
of shares outstanding
Shares outstanding
53.9M
Float
25.3M
shares available to trade
Short interest
15.42%
5.6M shares short
Days to cover
28.38
short interest up 1.7% vs prior month
  • Institutions 40.92%
  • Insiders 27.83%
  • Other investors 31.26%

DMAC top institutional holders

20 largest
DiaMedica Therapeutics Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1Cooperman Leon G6.40%3.5M$26.1M+1.4M (+70.8%)June 30, 2026
2BlackRock Inc4.18%2.3M$17.0M+396,098 (+21.3%)June 30, 2026
3Geode Capital Management, LLC1.66%894K$6.8M+113,599 (+14.6%)June 30, 2026
4PARAGON Assoc & PARAGON Assoc II JV1.62%875K$6.6M—March 31, 2026
5Millennium Management LLC1.57%845K$6.4M−90,283 (−9.6%)June 30, 2026
6State Street Corp1.20%647K$4.9M+2,532 (+0.4%)June 30, 2026
7Bleichroeder LP0.71%382K$2.9M—June 30, 2026
8Vanguard Capital Management, LLC0.66%356K$2.7M+22,067 (+6.6%)June 30, 2026
9Advisor Group Holdings, Inc.0.63%338K$2.6M+18,432 (+5.8%)June 30, 2026
10Northern Trust Corp0.61%328K$2.5M−11,008 (−3.3%)June 30, 2026
11Vanguard Portfolio Management, LLC0.47%252K$1.9M+48,212 (+23.7%)June 30, 2026
12LPL Financial Corp0.43%234K$1.8M+7,450 (+3.3%)June 30, 2026
13Vanguard Fiduciary Trust Co0.38%207K$1.6M+19,714 (+10.5%)June 30, 2026
14The Goldman Sachs Group Inc0.31%168K$1.3M+108,778 (+183.5%)June 30, 2026
15Citadel Advisors Llc0.27%146K$1.1M+146 (+0.1%)June 30, 2026
16Squarepoint Ops LLC0.27%145K$1.1M+145,247 (0.0%)June 30, 2026
17Bank of New York Mellon Corp0.22%118K$891,897+6,741 (+6.1%)June 30, 2026
18MEMBERS WEALTH LLC0.19%101K$767,462—June 30, 2026
19Charles Schwab Investment Management Inc0.18%97K$731,951+8,270 (+9.4%)June 30, 2026
20Cobalt Capital Management Inc0.17%90K$681,300+90,000 (0.0%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 15 holders added 2.4M shares and 2 cut 101K.

DMAC top mutual fund and ETF holders

19 largest
DiaMedica Therapeutics Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1iShares Russell 2000 ETF1.74%938K$7.1M−10,816 (−1.1%)September 30, 2026
2Fidelity Small Cap Index0.74%400K$3.0M+1,091 (+0.3%)July 31, 2026
3iShares Russell 2000 Growth ETF0.64%347K$2.6M−440 (−0.1%)September 30, 2026
4Vanguard Russell 2000 ETF0.39%210K$1.6M+4,200 (+2.0%)August 31, 2026
5Fidelity Extended Market Index0.29%155K$1.2M−835 (−0.5%)August 31, 2026
6iShares Micro-Cap ETF0.21%116K$874,903−797 (−0.7%)September 30, 2026
7Schwab Small Cap Index0.16%88K$669,090—August 31, 2026
8iShares Russell 2000 Small-Cap Idx Instl0.14%76K$572,035—August 31, 2026
9Fidelity Total Market Index0.11%61K$459,423—August 31, 2026
10Jacob Discovery Fd Instl0.11%60K$452,156−7,000 (−10.5%)June 30, 2026
11Nuveen Small Cap Blend Idx R60.09%48K$366,002—August 31, 2026
12Fidelity Series Total Market Index0.09%48K$364,019+1,757 (+3.8%)August 31, 2026
13Stt Strt SPDR® Russell2000 US SmCapETF0.09%46K$348,394+2,208 (+5.0%)August 31, 2026
14Jacob Small Cap Growth Investor0.08%41K$310,370—June 30, 2026
15Vanguard Russell 2000 Growth ETF0.08%41K$306,699+1,524 (+3.9%)August 31, 2026
16EQ/2000 Managed Volatility IB0.07%36K$276,207—August 31, 2026
17Fidelity Small Cap Growth Index0.06%35K$261,672+370 (+1.1%)July 31, 2026
18Xtrackers Russell 2000 ETF 1C0.06%34K$253,769+1,440 (+4.5%)August 31, 2026
19Fidelity Nasdaq Composite Index0.06%33K$252,172—August 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

DMAC insider transactions

latest 17
DiaMedica Therapeutics Inc. insider transactions
DateNameTransactionPriceSharesValue
2025-11-25Jan StahlbergBuy$8.5773,099$626,458
2025-11-24Jan StahlbergBuy$7.8940,253$317,596
2025-11-21Jan StahlbergBuy$7.41208,872$1.5M
2025-11-20Jan StahlbergBuy$7.41128,426$951,637
2025-11-19Jan StahlbergBuy$7.21240,352$1.7M
2025-11-18Jan StahlbergBuy$6.75182,882$1.2M
2025-11-17Jan StahlbergBuy$6.52187,393$1.2M
2025-08-27Jan StahlbergBuy$6.0050,772$304,632
2025-08-26Jan StahlbergBuy$6.0059,648$357,888
2025-08-25Jan StahlbergBuy$6.00338,265$2.0M
2025-08-22Jan StahlbergBuy$5.9659,788$356,336
2025-08-21Jan StahlbergBuy$5.9648,172$287,105
2025-08-20Jan StahlbergBuy$5.8671,107$416,687
2025-08-15Jan StahlbergBuy$6.008,233$49,398
2025-08-14Jan StahlbergBuy$5.9970,414$421,780
2025-08-13Jan StahlbergBuy$5.91293,601$1.7M
2025-07-23Jan StahlbergBuy$3.501,542,857$5.4M

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

DMAC shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns DMAC

Institutional investors own 40.9% of DiaMedica Therapeutics's shares and insiders 27.83%. The largest holder is Cooperman Leon G with 6.40% of the shares (3.5M), as of June 30, 2026. Among the top 20 institutions, 15 added shares and 2 reduced their stake in the latest filings. Short interest is 15.42% of the float, or 28.38 days of average trading volume. The share count rose 1,376.9% since 2014.

Related: DMAC analyst forecast, DMAC key metrics. See the DMAC stock overview for the latest quote and news.

DMAC ownership FAQ

Who owns the most DiaMedica Therapeutics stock?

The largest shareholders of DiaMedica Therapeutics are Cooperman Leon G (6.40%), BlackRock Inc (4.18%), Geode Capital Management, LLC (1.66%), PARAGON Assoc & PARAGON Assoc II JV (1.62%), Millennium Management LLC (1.57%).

What percentage of DiaMedica Therapeutics is owned by institutions?

Institutions hold 40.9% of DiaMedica Therapeutics's shares outstanding; insiders hold 27.83%.

Which funds own DiaMedica Therapeutics?

The largest fund holders of DiaMedica Therapeutics are iShares Russell 2000 ETF (1.74%), Fidelity Small Cap Index (0.74%), iShares Russell 2000 Growth ETF (0.64%), Vanguard Russell 2000 ETF (0.39%), Fidelity Extended Market Index (0.29%).

What is DiaMedica Therapeutics's short interest?

5.6M shares of DiaMedica Therapeutics were sold short, 15.42% of the float; at the average daily volume it would take 28.38 days to cover.

Are insiders buying or selling DiaMedica Therapeutics?

Of the latest 17 reported insider transactions in DiaMedica Therapeutics (since July 23, 2025), 17 were purchases and 0 were sales.

How many shares of DiaMedica Therapeutics are outstanding?

DiaMedica Therapeutics has 53.9M shares outstanding, of which 25.3M are in the public float.

Biotechnology: ownership