Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in CGTX held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BIOS Capital Management, LP | 6.0M | $4.6M | 0.0% | 8.154% | 8.63% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 3.0M | $2.3M | β | 4.079% | 0.00% |
| 3 | DAVENPORT & Co LLC | 2.9M | $2.2M | +0.7% | 3.931% | 0.01% |
| 4 | RENAISSANCE TECHNOLOGIES LLC | 1.1M | $848K | +15.2% | 1.518% | 0.00% |
| 5 | Chescapmanager LLC | 997K | $757K | 0.0% | 1.355% | 0.07% |
| 6 | BlackRock, Inc. | 968K | $735K | -4.5% | 1.316% | 0.00% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 920K | $699K | +5.3% | 1.251% | 0.00% |
| 8 | Hilton Capital Management, LLC | 549K | $417K | 0.0% | 0.746% | 0.03% |
| 9 | VANGUARD FIDUCIARY TRUST CO | 464K | $352K | β | 0.630% | 0.00% |
| 10 | Dauntless Investment Group, LLC | 431K | $327K | -7.5% | 0.586% | 0.87% |
| 11 | CM Management, LLC | 400K | $304K | +100.0% | 0.544% | 0.25% |
| 12 | JANE STREET GROUP, LLC | 370K | $281K | -39.7% | 0.503% | 0.00% |
| 13 | Sigma Planning Corp | 338K | $257K | +56.3% | 0.459% | 0.01% |
| 14 | STATE STREET CORP | 314K | $239K | 0.0% | 0.427% | 0.00% |
| 15 | AMERICAN FINANCIAL GROUP INC | 205K | $156K | 0.0% | 0.279% | 0.06% |
| 16 | Voss Capital, LLC | 200K | $152K | -28.4% | 0.272% | 0.01% |
| 17 | XTX Topco Ltd | 196K | $149K | +426.0% | 0.266% | 0.00% |
| 18 | TOCQUEVILLE ASSET MANAGEMENT L.P. | 195K | $148K | +1.3% | 0.265% | 0.00% |
| 19 | NORTHERN TRUST CORP | 169K | $128K | -13.2% | 0.229% | 0.00% |
| 20 | Texas Capital Bank Wealth Management Services Inc | 123K | $94K | 0.0% | 0.168% | 0.01% |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 85K | $65K | 0.0% | 0.115% | 0.00% |
| 22 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 81K | $61K | +0.8% | 0.110% | 0.00% |
| 23 | UBS Group AG | 77K | $58K | +3.4% | 0.104% | 0.00% |
| 24 | Corient Private Wealth LLC | 72K | $55K | 0.0% | 0.098% | 0.00% |
| 25 | McAdam, LLC | 70K | $53K | -5.6% | 0.095% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in CGTX β a direct measure of their conviction.
Filings activity in CGTX during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new CGTX position in Q1 2026
Institutions that fully closed their CGTX position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 75 | 3.8% | 18.09% | 181.90 pp | $16M | 94% |
| Q4 2025 | 78 | +15% | 199.99% | +168.35 pp | $290M | +929% |
| Q3 2025 | 68 | +36% | 31.64% | +27.94 pp | $28M | +756% |
| Q2 2025 | 50 | 3.8% | 3.70% | 1.27 pp | $3M | 26% |
| Q1 2025 | 52 | +18% | 4.97% | 3.46 pp | $4M | 41% |
| Q4 2024 | 44 | +7.3% | 8.43% | +6.46 pp | $8M | +327% |
| Q3 2024 | 41 | 13% | 1.97% | 7.38 pp | $2M | 79% |
| Q2 2024 | 47 | β | 9.35% | β | $8M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Latest Form 4 transactions by company officers and directors. Insider buys are widely viewed as the highest-conviction signal because executives are risking personal capital.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Apr 16, 2026 | Ricciardi Lisa | Buy | 9K | $1.10 | $10K |
| Apr 16, 2026 | Doyle John Brendan | Buy | 10K | $1.13 | $11K |
Quick answers to the most common questions about buying CGTX stock.
Based on Q1 2026 13F filings, institutional ownership of Cognition Therapeutics, Inc. stands at 18.1%, held across 75 reporting institutions.
BIOS Capital Management, LP is the largest reported institutional holder of CGTX, with approximately 6,000,000 shares worth $0.00B as of Q1 2026.
Yes β 3 widely-followed marquee investors appear among the top 25 institutional holders of CGTX, including RENAISSANCE TECHNOLOGIES LLC, JANE STREET GROUP, LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for CGTX is 45 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
13 institutions opened new positions in CGTX during Q1 2026, while 16 fully exited. 5 added to existing positions and 56 trimmed.
CGTX institutional ownership fell by 181.90 percentage points quarter-over-quarter, with a net change of -3 holders.
The top 10 institutions account for 81.8% of all reported 13F value in CGTX, and the top 25 account for 95.4%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.