ACOG Institutional Ownership
Who owns Alpha Cognition Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 26 funds reported holding ACOG at Jun 30, 2026, together owning 48.7% of the company.
- ▲8 buying vs 4 selling
- ●Held by funds +0.3 pts
- ▲Funds holding +1
- ▲Superinvestors: 1 added, 0 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
7 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 26 | 25 | +4.0% |
| In funds' top 10 | 1 | 2 | −50.0% |
| 13F shares | 10.6M | 10.5M | +0.6% |
| Held by funds | 48.7% | 48.4% | +0.3 pts |
| New positions | 1 | 3 | −66.7% |
| Increased | 7 | 5 | +40.0% |
| Reduced | 4 | 5 | −20.0% |
| Sold out | 0 | 5 | −100.0% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in ACOG
All superinvestors →
Who owns ACOG
share of fund held shares- Index and passive funds0.1%
- Active managers and hedge funds99.7%
- Banks and brokers0.2%
- Pensions, insurers and other0.0%
The top 10 holders own 96.7% of all ACOG shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
2 funds changed their position- Essex Investment Management Co LLCNew+423K sh
- Pekin Hardy Strauss, Inc.New+23K sh
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Opaleye Management Inc. | 13.30% | 2.9M | $20.9M | +334K |
| 2 | Solas Capital Management, LLC | 8.84% | 1.9M | $13.9M | 0 |
| 3 | AWM Investment Company, Inc. | 7.68% | 1.7M | $12.1M | 0 |
| 4 | Cable Car Capital, LP | 6.35% | 1.4M | $10M | 0 |
| 5 | Ikarian Capital, LLC | 3.84% | 836K | $6M | −220K |
| 6 | Sphera Funds Management Ltd. | 2.51% | 546K | $3.9M | −22K |
| 7 | Alyeska Investment Group, L.P. | 1.68% | 365K | $2.6M | 0 |
| 8 | Aristides Capital LLC | 1.00% | 219K | $1.6M | 0 |
| 9 | Cantor Fitzgerald, L. P. | 1.00% | 218K | $1.6M | +29K |
| 10 | Boothbay Fund Management, LLC | 0.87% | 189K | $1.4M | −67K |
- Opaleye Management Inc.+334K sh+$2.4M
- Cantor Fitzgerald, L. P.+29K sh+$211K
- Citadel Advisors LLC+7,957 sh+$57K
- Two Sigma Investments, LP+2,946 sh+$21K
- UBS Group AG+1,018 sh+$7K
- Morgan Stanley+200 sh+$1K
- Jones Financial Companies Lllp+150 sh+$975
- Harbour Investments, Inc.+43 sh+$307
- Ikarian Capital, LLC−220K sh−$1.6M
- Boothbay Fund Management, LLC−67K sh−$486K
- Sphera Funds Management Ltd.−22K sh−$157K
- Royal Bank of Canada−557 sh−$5K
ACOG institutional ownership FAQ
Who owns the most ACOG stock?
In Q2 2026 13F filings the largest holder of ACOG was Opaleye Management Inc., followed by Solas Capital Management, LLC and AWM Investment Company, Inc.. Index fund managers are usually the biggest holders of large companies.
What percentage of ACOG is owned by institutions?
Funds that file 13F reports held 48.7% of ACOG's shares at Jun 30, 2026, compared with 48.4% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying ACOG?
In Q2 2026, 8 funds bought ACOG (1 of them new positions) and 4 sold (0 sold out completely). Among well known investors, 1 added and 0 cut. Our fund sentiment for ACOG is bullish.
What is ACOG's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this ACOG ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.