DiaMedica Therapeutics Inc.
DiaMedica Therapeutics Inc. (DMAC) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · DMAC · as of Sep 30, 2025
Ownership Breakdown
80
Institutional Holders
▲ 22 vs Q2
$82.81M
Total Inst. Value
▲ $48.63M vs Q2
53.88M
Shares Outstanding
freeFloat 50.11%
12.75M
13F Shares Held
▲ 3.99M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
DMAC largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
COOPERMAN LEON G pharmaceutical preparations | 3.27M | 7.61% | 7.61% | $17.64B | Nov 14, 2025 | ▲ 1.62M |
BLACKROCK, INC. pharmaceutical preparations | 1.68M | 3.91% | 3.91% | $11.53B | Nov 12, 2025 | ▲ 486.3K |
MILLENNIUM MANAGEMENT LLC pharmaceutical preparations | 1.19M | 2.76% | 2.76% | $8.16B | Nov 14, 2025 | ▲ 1.19M |
PARAGON ASSOCIATES & PARAGON ASSOCIATES II JOINT VENTURE pharmaceutical preparations | 875.0K | 2.04% | 2.04% | $6.01B | Nov 12, 2025 | ▲ 225.0K |
GEODE CAPITAL MANAGEMENT, LLC pharmaceutical preparations | 711.8K | 1.66% | 1.66% | $4.89B | Nov 12, 2025 | ▲ 81.7K |
VANGUARD GROUP INC pharmaceutical preparations | 664.6K | 1.55% | 1.55% | $4.57B | Nov 7, 2025 | ▼ 870.5K |
MORGAN STANLEY pharmaceutical preparations | 579.6K | 1.35% | 1.35% | $3.98B | May 27, 2026 | ▲ 339.1K |
FIRST MANHATTAN CO. LLC. pharmaceutical preparations | 505.0K | 1.18% | 1.18% | $3.47B | Nov 14, 2025 | ▼ 101.4K |
STATE STREET CORP pharmaceutical preparations | 476.6K | 1.11% | 1.11% | $3.27B | Nov 14, 2025 | ▲ 224.6K |
BLEICHROEDER LP pharmaceutical preparations | 382.3K | 89.00% | 89.00% | $2.63B | Nov 14, 2025 | — held |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
27
Increased
+4.58M shares10
New Positions
first time holders7
Decreased
−1.04M shares0
Sold Out
fully exitedNet shares change (top 50)
+3.54M
+4.58M / −1.04M
Net new holders
+30
10 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
DMAC insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
3
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Parsons James T. director | Jan 2, 2026 | Award | 10,095 | $8.42 | $85.0K | 97.9K | Form 4 ↗ |
Giuffre Randall Michael director | Jan 2, 2026 | Award | 6,175 | $8.42 | $52.0K | 398.6K | Form 4 ↗ |
Semba Charles Pauling director | Jan 2, 2026 | Award | 3,355 | $8.42 | $28.2K | 48.0K | Form 4 ↗ |
STAHLBERG JAN 10 percent owner | Nov 25, 2025 | Purchase | 73,099 | $8.57 | $626.8K | 8.83M | Form 4 ↗ |
STAHLBERG JAN 10 percent owner | Nov 24, 2025 | Purchase | 40,253 | $7.89 | $317.7K | 8.75M | Form 4 ↗ |
STAHLBERG JAN 10 percent owner | Nov 21, 2025 | Purchase | 208,872 | $7.41 | $1.55M | 8.71M | Form 4 ↗ |
STAHLBERG JAN 10 percent owner | Nov 20, 2025 | Purchase | 128,426 | $7.41 | $951.2K | 8.50M | Form 4 ↗ |
STAHLBERG JAN 10 percent owner | Nov 19, 2025 | Purchase | 240,352 | $7.21 | $1.73M | 8.38M | Form 4 ↗ |
STAHLBERG JAN 10 percent owner | Nov 18, 2025 | Purchase | 182,882 | $6.75 | $1.23M | 8.13M | Form 4 ↗ |
STAHLBERG JAN 10 percent owner | Nov 17, 2025 | Purchase | 187,393 | $6.52 | $1.22M | 7.95M | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
DiaMedica Therapeutics Inc. (DMAC) is primarily owned by institutional investors, who hold approximately 23.7% of total shares outstanding. Company insiders own approximately 49.89%, while retail and public investors account for the remaining 26.44%.
The largest institutional shareholder of DiaMedica Therapeutics Inc. is COOPERMAN LEON G, holding approximately 3.27 million shares — equal to 7.61% of outstanding shares — as of September 30, 2025.
A total of 80 institutional investors currently hold DMAC stock, with a combined institutional value of approximately $82,808,693 as of the most recent 13F filing period.
Frequently asked questions
DMAC ownershipDiaMedica Therapeutics Inc. (DMAC) is primarily owned by institutional investors, who hold approximately 23.7% of shares. The largest shareholder is COOPERMAN LEON G with a 7.61% stake. Company insiders hold 49.89%. Data sourced from SEC Form 13F as of September 30, 2025.