DiaMedica Therapeutics Inc.
DMAC- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001401040
No open-market purchases or sales by DiaMedica Therapeutics Inc. insiders were filed in the last 90 days; 88 institutions reported holding it in 13F filings for Q2 2026, worth $87.8M in total; no superinvestor holds it.
Holders of 5% or more of DMAC
Holders whose latest Schedule 13D or 13G filing reports 5% or more of DiaMedica Therapeutics Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Trill AB | 13G/A | 16.90%8.83M shares | +1.88 ppfrom 15.02% | Oct 8, 20215 filings | Feb 6, 2026 | SEC |
| TomEnterprise AB | 13G/A | 16.28%8.38M shares | – | Oct 8, 20214 filings | Jul 30, 2025 | SEC |
| Jacinto Richard II | 13G/A | 9.60%4.96M shares | – | May 27, 20224 filings | Nov 7, 2025 | SEC |
| Cooperman Leon G | 13G/A | 6.60%3.45M shares | +0.30 ppfrom 6.30% | Aug 27, 20253 filings | Feb 17, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
24 Schedule 13D and 13G filings on DiaMedica Therapeutics Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Feb 17, 20264:01 PM ET | Cooperman Leon G | 13G/A | 6.60%3.45M shares | +0.30 ppfrom 6.30% | Dec 31, 2025 | SEC |
| Feb 17, 20261:50 PM ET | Dialectic Capital Management, LPand 4 others | 13G/A | 0.30%154.0K shares | –Below 5% | Dec 31, 2025 | SEC |
| Feb 6, 20264:33 PM ET | Trill ABand 1 other | 13G/A | 16.90%8.83M shares | +1.88 ppfrom 15.02% | Dec 31, 2025 | SEC |
| Nov 7, 20255:30 PM ET | Jacinto Richard II | 13G/A | 9.60%4.96M shares | – | Sep 30, 2025 | SEC |
| Oct 15, 20254:48 PM ET | Cooperman Leon G | 13G/A | 6.30%3.27M shares | +0.30 ppfrom 6.00% | Sep 30, 2025 | SEC |
| Sep 4, 20252:16 PM ET | Trill ABand 1 other | 13G/A | 15.02%7.76M shares | +1.88 ppfrom 13.14% | Aug 14, 2025 | SEC |
| Aug 27, 20254:24 PM ET | Cooperman Leon G | 13G | 6.00%3.11M shares | New | Jul 23, 2025 | SEC |
| Jul 30, 20255:33 PM ET | Trill ABand 1 other | 13G/A | 13.14%6.76M shares | – | Jul 23, 2025 | SEC |
| Jul 30, 20255:31 PM ET | TomEnterprise ABand 2 others | 13G/A | 16.28%8.38M shares | – | Jul 23, 2025 | SEC |
| Jul 8, 2024 | Dialectic Capital Management, LP | 13GOld format | – | New | – | SEC |
| Jun 27, 2023 | TomEnterprise AB | 13G/AOld format | – | – | – | SEC |
| Jun 27, 2023 | Trill AB | 13G/AOld format | – | – | – | SEC |
| Jun 23, 2023 | Jacinto Richard II | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2023 | Lynch Timothy P | 13G/AOld format | – | – | – | SEC |
| Jan 13, 2023 | Jacinto Richard II | 13G/AOld format | – | – | – | SEC |
| Dec 6, 2022 | TomEqt Private AB | 13G/AOld format | – | – | – | SEC |
| Jul 12, 2022 | TomEnterprise AB | 13G/AOld format | – | – | – | SEC |
| May 27, 2022 | Jacinto Richard II | 13GOld format | – | New | – | SEC |
| Feb 15, 2022 | Lytton Laurence W | 13G/AOld format | – | – | – | SEC |
| Feb 11, 2022 | Stonepine Capital Management, LLC | 13G/AOld format | – | – | – | SEC |
| Oct 8, 2021 | Trill AB | 13GOld format | – | New | – | SEC |
| Oct 8, 2021 | TomEnterprise AB | 13GOld format | – | New | – | SEC |
| Oct 6, 2021 | Lytton Laurence W | 13GOld format | – | New | – | SEC |
| Feb 12, 2021 | Stonepine Capital Management, LLC | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell DiaMedica Therapeutics Inc. shares.
No Form 144 notices for DiaMedica Therapeutics Inc. are on file.