COGNITION THERAPEUTICS INC (CGTX): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in CGTX · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
4
13F filers
Aggregate Value
$867K
Across holders
Last Price
$0.98
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity1 increased1 reduced4 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 693K | $797K | 91.9% | 0.0% | Reduced | $-487K | Q2 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 22K | $25K | 2.9% | 0.0% | Added | — | Q2 2026 |
| GAMCO INVESTORS, INC. ET AL CIK 0000807249 | Institutional Manager | 20K | $23K | 2.7% | 0.0% | Unchanged | +$0 | Q2 2026 |
| Rockefeller Capital Management L.P. CIK 0001739439 | Hedge Fund | 19K | $22K | 2.5% | 0.0% | Unchanged | +$0 | Q2 2026 |
Reduced
Hedge Fund
$797K· 91.9% of total· 0.0% port· 693K sh· $-487K QoQ· Q2 2026
Added
Hedge Fund
$25K· 2.9% of total· 0.0% port· 22K sh· — QoQ· Q2 2026
Unchanged
Institutional Manager
$23K· 2.7% of total· 0.0% port· 20K sh· +$0 QoQ· Q2 2026
Unchanged
Hedge Fund
$22K· 2.5% of total· 0.0% port· 19K sh· +$0 QoQ· Q2 2026
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