Delisting risk
Cognition Therapeutics
Developing zervimesine for Lewy body dementia psychosis.
$1.04
After-hours close+0.02 (+1.99%)
At close$1.02(−3.77%)
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Breakdown13F · Form 4
Institutions 25.33%22.67M sharesInsiders 4.20%3.75M sharesOther 70.47%63.07M shares
Shares outstanding 89.50M · Float 81.83M · 91.4% free float
Institutions13F, as of Jun 30, 2026
67 holders · 22.67M shares · 5 new positions · 28 increased · 10 reduced · 13 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Bios Capital Management, LP | 6.00M | 6.70% | 0 | Aug 14, 2026 |
| Davenport & Co LLC | 4.26M | 4.76% | +1.37M | Jul 13, 2026 |
| Vanguard Capital Management LLC | 3.44M | 3.84% | +437.0K | Aug 13, 2026 |
| BlackRock, Inc. | 1.26M | 1.41% | +293.6K | Aug 7, 2026 |
| Chescapmanager LLC | 997.0K | 1.11% | 0 | Aug 14, 2026 |
| Geode Capital Management, LLC | 910.0K | 1.02% | −10.2K | Aug 12, 2026 |
| Renaissance Technologies LLC | 693.3K | 0.77% | −423.8K | Aug 13, 2026 |
| Hilton Capital Management, LLC | 549.0K | 0.61% | 0 | Aug 4, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Aaron G.L. Fletcherincl. Bios Equity Partners, LP, Bios Equity Partners Iii, LP +19 more | 6.90% | 6.06M | 13D | Sep 23, 2025 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Lisa Ricciardi | director, officer: CEO & President | 1.75M | 1.96% | Apr 20, 2026 |
| Anthony Caggiano | officer: Chief Medical Officer | 874.9K | 0.98% | Apr 20, 2026 |
| John Brendan Doyle | officer: Chief Financial Officer | 618.9K | 0.69% | May 4, 2026 |
| Aaron G.L. Fletcher | director, 10 percent owner: | 115.5K | 0.13% | Jun 22, 2026 |
| Peggy Wallace | director | 111.5K | 0.12% | Jun 22, 2026 |
| Ellen B. Richstone | director | 83.5K | 0.09% | Jun 22, 2026 |
| Jack A. Khattar | director | 73.5K | 0.08% | Jun 22, 2026 |
| Brett P. Monia | director | 73.5K | 0.08% | Jun 22, 2026 |
| Leslie W. Kreis | director, 10 percent owner: | 48.5K | 0.05% | Jun 20, 2025 |
3 ten-percent owners hold 715.5K shares by Form 4, outside the officers-and-directors figure above · 3 people have not refiled in the last 18 months (549.9K shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Apr 16, 2026 | Anthony Caggianoofficer: Chief Medical Officer | Purchase | 10,000 | $1.11 | 874,906 |
| Apr 16, 2026 | Lisa Ricciardidirector, officer: CEO & President | Purchase | 9,175 | $1.10 | 1,715,851 |
| Apr 16, 2026 | John Brendan Doyleofficer: Chief Financial Officer | Purchase | 10,000 | $1.13 | 627,509 |
CongressHouse and Senate disclosures
Not reported.