DiaMedica Therapeutics Inc. (DMAC) shareholders
DMACNasdaqPharmaceutical PreparationsFiscal year ends December 31
$9.33−0.33 (-3.42%)
Close on Nov 12, 2026Market cap $503.13MP/E –Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
23.1%
12M of 54M shares
Institutional holders
89
11 new, 18 sold out
Net institutional buying
2M
In Q2 2026
Insider trades, 12 months
7 buys · 0 sales
Net bought $7.63M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Jan Stahlberg Joint filing with Trill Ab (16.90%) | 8,825,742 | 16.90% | 13G (passive) amendment | Dec 31, 2025 |
| TomEnterprise AB Joint filing with TomEnterprise Private AB (16.28%), Thomas von Koch (16.28%) | 8,383,577 | 16.28% | 13G (passive) amendment | Jul 23, 2025 |
| Trill AB Joint filing with Jan Stahlberg (13.14%) | 6,764,465 | 13.14% | 13G (passive) amendment | Jul 23, 2025 |
| Richard Jacinto II | 4,958,823 | 9.60% | 13G (passive) amendment | Sep 30, 2025 |
| Cooperman Leon G. | 3,450,000 | 6.60% | 13G (passive) amendment | Dec 31, 2025 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of DMAC | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Cooperman Leon G | 3,450,000 | 6.40% | $24.29M | +1,430,000 | 0.68% |
| BlackRock, Inc. | 2,252,285 | 4.18% | $15.86M | +396,098 | 0.00% |
| Geode Capital Management, LLC | 894,115 | 1.66% | $6.30M | +113,599 | 0.00% |
| Millennium Management LLC | 845,309 | 1.57% | $5.95M | −90,283 | 0.00% |
| State Street Corp | 646,743 | 1.20% | $4.55M | +2,532 | 0.00% |
| Bleichroeder LP | 382,317 | 0.71% | $2.69M | – | 0.48% |
| Vanguard Capital Management LLC | 355,523 | 0.66% | $2.50M | +22,067 | 0.00% |
| Osaic Holdings, Inc. | 338,107 | 0.63% | $2.38M | +18,432 | 0.00% |
| Northern Trust Corp | 327,518 | 0.61% | $2.31M | −11,008 | 0.00% |
| Vanguard Portfolio Management LLC | 251,671 | 0.47% | $1.77M | +48,212 | 0.00% |
| LPL Financial LLC | 233,500 | 0.43% | $1.64M | +7,450 | 0.00% |
| Vanguard Fiduciary Trust Co | 207,438 | 0.38% | $1.46M | +19,714 | 0.00% |
| Goldman Sachs Group Inc | 168,066 | 0.31% | $1.18M | +108,778 | 0.00% |
| Citadel Advisors LLC | 145,870 | 0.27% | $1.03M | +146 | 0.00% |
| Squarepoint Ops LLC | 145,247 | 0.27% | $1.02M | New | 0.00% |
| Bank of New York Mellon Corp | 117,820 | 0.22% | $829.45K | +6,741 | 0.00% |
| Members Wealth LLC | 101,382 | 0.19% | $713.73K | – | 0.39% |
| Charles Schwab Investment Management Inc | 96,691 | 0.18% | $680.71K | +8,270 | 0.00% |
| Cobalt Capital Management, Inc. | 90,000 | 0.17% | $633.60K | New | 0.45% |
| Trexquant Investment LP | 84,648 | 0.16% | $595.92K | +62,387 | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 89 | 12M | 23.1% | 11 / 32 | 20 / 18 | 3M | 1M |
| Q1 2026 | 99 | 12M | 21.8% | 21 / 29 | 23 / 12 | 2M | 1M |
| Q4 2025 | 92 | 12M | 22.4% | 22 / 34 | 19 / 8 | 2M | 2M |
| Q3 2025 | 78 | 13M | 23.7% | 24 / 31 | 11 / 4 | 5M | 1M |
| Q2 2025 | 58 | 9M | 16.4% | 21 / 19 | 5 / 20 | 3M | 1M |
| Q1 2025 | 57 | 8M | 13.9% | 14 / 20 | 10 / 2 | 1M | 0M |
| Q4 2024 | 45 | 7M | 12.5% | 12 / 16 | 5 / 5 | 1M | 0M |
| Q3 2024 | 40 | 6M | 10.3% | 13 / 9 | 6 / 4 | 1M | 0M |
| Q2 2024 | 32 | 5M | 9.4% | 3 / 9 | 9 / 3 | 1M | 0M |
| Q1 2024 | 32 | 5M | 8.9% | 1 / 8 | 7 / 7 | 1M | 0M |
| Q4 2023 | 38 | 4M | 7.4% | 6 / 12 | 5 / 3 | 0M | 0M |
| Q3 2023 | 36 | 4M | 7.9% | 6 / 12 | 7 / 2 | 1M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
80 funds held DMAC in Q2 2026, 61% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of DMAC | Value | % of fund | As of |
|---|---|---|---|---|---|
| iShares Russell 2000 ETF | 933,319 | 1.73% | $6.57M | 0.01% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 399,641 | 0.74% | $2.53M | 0.01% | Jul 31, 2026 |
| Vanguard Extended Market Index Fund | 355,523 | 0.66% | $2.50M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 Growth ETF | 344,134 | 0.64% | $2.42M | 0.02% | Jun 30, 2026 |
| Vanguard Russell 2000 Index Fund | 176,697 | 0.33% | $1.06M | 0.01% | May 31, 2026 |
| Fidelity Extended Market Index Fund | 158,705 | 0.29% | $950.64K | 0.00% | May 31, 2026 |
| iShares Micro-Cap ETF | 123,057 | 0.23% | $866.32K | 0.06% | Jun 30, 2026 |
| Schwab Small-Cap Index Fund | 88,387 | 0.16% | $560.37K | 0.01% | Jul 31, 2026 |
| Master Small Cap Index Series | 75,566 | 0.14% | $531.98K | 0.01% | Jun 30, 2026 |
| Fidelity Total Market Index Fund | 60,738 | 0.11% | $363.82K | 0.00% | May 31, 2026 |
| Jacob Discovery Fund | 59,730 | 0.11% | $357.78K | 2.23% | May 31, 2026 |
| Nuveen Small Cap Blend Index Fund | 48,349 | 0.09% | $306.53K | 0.01% | Jul 31, 2026 |
| Fidelity Series Total Market Index Fund | 46,330 | 0.09% | $277.52K | 0.00% | May 31, 2026 |
| Jacob Small Cap Growth Fund | 41,000 | 0.08% | $245.59K | 2.97% | May 31, 2026 |
| EQ/2000 Managed Volatility Portfolio | 36,487 | 0.07% | $256.87K | 0.01% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Dietrich John Pauls | President & CEO, Director | 128,791 | 0.24% | Aug 12, 2026 |
| Julie Krop | Chief Medical Officer | – | – | Jun 3, 2026 |
| Scott Kellen | CFO & Secretary | 32,290 | 0.06% | Jun 3, 2026 |
| David J. Wambeke | Chief Business Officer | 527,114 | 0.98% | Jun 3, 2025 |
| Randall Michael Giuffre | Director | 445,230 | 0.83% | Jun 3, 2026 |
| Richard Kuntz | Director | 24,210 | 0.04% | Jun 3, 2026 |
| Tanya Lewis | Director | 0 | – | Jun 3, 2026 |
| Charles Pauling Semba | Director | 47,963 | 0.09% | Jun 3, 2026 |
| Daniel J. O'Connor | Director | 0 | – | Jun 3, 2026 |
| James T. Parsons | Director | 97,949 | 0.18% | Jun 3, 2026 |
| Richard D. Pilnik | Director | 312,995 | 0.58% | Apr 8, 2025 |
| Jan Stahlberg | 10% owner | 7,764,465 | 14.40% | Dec 8, 2025 |
| Ab Trill | 10% owner | 8,825,742 | 16.37% | Dec 8, 2025 |
| Private AB TomEnterprise | 10% owner | 5,526,435 | 10.25% | Jul 25, 2025 |
| Richard Jacinto Ii | 10% owner | 4,958,823 | 9.20% | Jul 25, 2025 |
| Koch Thomas Von | 10% owner | 8,383,577 | 15.55% | Jul 25, 2025 |
| AB TomEnterprise | 10% owner | 2,855,827 | 5.30% | Jul 25, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Dietrich John Pauls President & CEO, Director | Aug 10, 2026 | Award | +60,200 | – | – | 128,791 |
| Charles Pauling Semba Director | Jan 2, 2026 | Award | +3,355 | $8.42 | $28.25K | 47,963 |
| James T. Parsons Director | Jan 2, 2026 | Award | +10,095 | $8.42 | $85.00K | 97,949 |
| Randall Michael Giuffre Director | Jan 2, 2026 | Award | +6,175 | $8.42 | $51.99K | 398,587 |
| Ab Trill 10% owner | Nov 25, 2025 | Buy | +73,099 | $8.57 | $626.46K | 8,825,742 |
| Ab Trill 10% owner | Nov 24, 2025 | Buy | +40,253 | $7.89 | $317.60K | 8,752,643 |
| Ab Trill 10% owner | Nov 21, 2025 | Buy | +208,872 | $7.41 | $1.55M | 8,712,390 |
| James T. Parsons Director | Nov 21, 2025 | Option exercise | +12,000 | $2.20 | $26.40K | 87,854 |
| Ab Trill 10% owner | Nov 20, 2025 | Buy | +128,426 | $7.41 | $951.64K | 8,503,518 |
| Ab Trill 10% owner | Nov 19, 2025 | Buy | +240,352 | $7.21 | $1.73M | 8,375,092 |
| Ab Trill 10% owner | Nov 18, 2025 | Buy | +182,882 | $6.75 | $1.23M | 8,134,740 |
| Ab Trill 10% owner | Nov 17, 2025 | Buy | +187,393 | $6.52 | $1.22M | 7,951,858 |
| Jan Stahlberg 10% owner | Aug 27, 2025 | Buy | +50,772 | $6.00 | $304.63K | 7,764,465 |
| Jan Stahlberg 10% owner | Aug 26, 2025 | Buy | +59,648 | $6.00 | $357.89K | 7,713,693 |
| Jan Stahlberg 10% owner | Aug 25, 2025 | Buy | +338,265 | $6.00 | $2.03M | 7,654,045 |
| Jan Stahlberg 10% owner | Aug 22, 2025 | Buy | +59,788 | $5.96 | $356.34K | 7,315,780 |
| Jan Stahlberg 10% owner | Aug 21, 2025 | Buy | +48,172 | $5.96 | $287.11K | 7,255,992 |
| Jan Stahlberg 10% owner | Aug 20, 2025 | Buy | +71,107 | $5.86 | $416.69K | 7,207,820 |
| Jan Stahlberg 10% owner | Aug 15, 2025 | Buy | +8,233 | $6.00 | $49.40K | 7,136,713 |
| Jan Stahlberg 10% owner | Aug 14, 2025 | Buy | +70,414 | $5.99 | $421.78K | 7,128,480 |
| Jan Stahlberg 10% owner | Aug 13, 2025 | Buy | +293,601 | $5.91 | $1.74M | 7,058,066 |
| Koch Thomas Von 10% owner | Jul 23, 2025 | Buy | +2,857,142 | $3.50 | $10.00M | 8,383,577 |
| Jan Stahlberg 10% owner | Jul 23, 2025 | Buy | +1,542,857 | $3.50 | $5.40M | 6,764,465 |
| Richard Jacinto Ii 10% owner | Jul 23, 2025 | Buy | +400,000 | $3.50 | $1.40M | 4,958,823 |
| Richard D. Pilnik Director | Apr 7, 2025 | Option exercise | +24,000 | $2.11 | $50.64K | 312,995 |
| Randall Michael Giuffre Director | Feb 13, 2025 | Option exercise | +5,000 | $3.65 | $18.25K | 392,412 |
| Randall Michael Giuffre Director | Feb 13, 2025 | Option exercise | +12,000 | $2.11 | $25.32K | 387,412 |
| Randall Michael Giuffre Director | Jan 2, 2025 | Award | +10,861 | $5.34 | $58.00K | 375,412 |
| Charles Pauling Semba Director | Jan 2, 2025 | Award | +5,290 | $5.34 | $28.25K | 44,608 |
| Richard D. Pilnik Director | Jan 2, 2025 | Award | +10,393 | $5.34 | $55.50K | 288,995 |
| James T. Parsons Director | Jan 2, 2025 | Award | +15,917 | $5.34 | $85.00K | 75,854 |
| Richard Kuntz Director | Jan 2, 2025 | Award | +9,925 | $5.34 | $53.00K | 24,210 |
| Private AB TomEnterprise 10% owner | Jun 28, 2024 | Buy | +1,200,000 | $2.50 | $3.00M | 5,526,435 |
| Jan Stahlberg 10% owner | Jun 28, 2024 | Buy | +1,200,000 | $2.50 | $3.00M | 5,221,608 |
| Richard D. Pilnik Director | Jan 2, 2024 | Award | +30,357 | $2.80 | $85.00K | 278,602 |
| Charles Pauling Semba Director | Jan 2, 2024 | Award | +9,375 | $2.80 | $26.25K | 39,318 |
| Randall Michael Giuffre Director | Jan 2, 2024 | Award | +19,196 | $2.80 | $53.75K | 364,551 |
| Richard Kuntz Director | Jan 2, 2024 | Award | +14,285 | $2.80 | $40.00K | 14,285 |
| James T. Parsons Director | Jan 2, 2024 | Award | +21,428 | $2.80 | $60.00K | 59,937 |
| David J. Wambeke Chief Business Officer | Nov 16, 2023 | Buy | +20,000 | $2.46 | $49.20K | 527,114 |
| Private AB TomEnterprise 10% owner | Jun 23, 2023 | Buy | +1,470,588 | $3.40 | $5.00M | 4,326,435 |
| Randall Michael Giuffre Director | Jun 23, 2023 | Buy | +65,000 | $3.91 | $254.15K | 360,355 |
| Randall Michael Giuffre Director | Jun 23, 2023 | Gift | −15,000 | – | – | 345,355 |
| Charles Pauling Semba Director | Jun 23, 2023 | Buy | +12,787 | $3.91 | $50.00K | 29,943 |
| Dietrich John Pauls President and CEO, Director | Jun 23, 2023 | Buy | +12,787 | $3.91 | $50.00K | 68,591 |
| Richard D. Pilnik Director | Jun 23, 2023 | Buy | +38,363 | $3.91 | $150.00K | 248,245 |
| David J. Wambeke Chief Business Officer | Jun 23, 2023 | Buy | +38,364 | $3.91 | $150.00K | 507,114 |
| Scott Kellen CFO and Secretary | Jun 23, 2023 | Buy | +10,000 | $3.91 | $39.10K | 32,290 |
| David J. Wambeke Chief Business Officer | Apr 10, 2023 | Buy | +468,750 | $1.60 | $750.00K | 468,750 |
| Richard D. Pilnik Director | Jan 3, 2023 | Award | +55,555 | $1.53 | $85.00K | 209,882 |
| Randall Michael Giuffre Director | Jan 3, 2023 | Award | +35,130 | $1.53 | $53.75K | 295,355 |
| Charles Pauling Semba Director | Jan 3, 2023 | Award | +17,156 | $1.53 | $26.25K | 17,156 |
| Amy L. Burroughs Director | Jan 3, 2023 | Award | +17,156 | $1.53 | $26.25K | 73,288 |
| Randall Michael Giuffre Director | Dec 9, 2022 | Buy | +37,079 | $1.43 | $53.02K | 260,225 |
| Randall Michael Giuffre Director | Dec 8, 2022 | Buy | +20,000 | $1.40 | $28.00K | 223,146 |
| Randall Michael Giuffre Director | Dec 7, 2022 | Buy | +22,574 | $1.40 | $31.60K | 203,146 |
| Randall Michael Giuffre Director | Dec 6, 2022 | Buy | +2,300 | $1.35 | $3.11K | 180,572 |
| Richard D. Pilnik Director | Dec 5, 2022 | Buy | +35,000 | $1.39 | $48.65K | 154,327 |
| Koch Thomas Von 10% owner | Dec 2, 2022 | Sale | −2,855,847 | $1.24 | $3.54M | 0 |
| Koch Thomas Von 10% owner | Dec 2, 2022 | Buy | +2,855,847 | $1.24 | $3.54M | 2,855,847 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of float
10.60%
5M shares short
Days to cover
24.8
At 0M shares a day
Change since last report
-4.3%
From 5M shares
Short volume, 20 days
51.3%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of DiaMedica Therapeutics's stock actually held short. Settlement fails (shares not delivered on time) peaked at 14,661 shares on Sep 25, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Daves Julie VanOrsdel Officer | Jul 2, 2024 | 39,700 | $109.46K | Jul 1, 2024 | Employee Stock Option Exercise |
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