ACOG — ALPHA COGNITION INC
Public company
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
Why are billionaires buying ACOG?
Built from public SEC filings and public economic data. Not a recommendation.
Why? — Evidence & Confidence ▾
Of 1 tracked investors who changed their ACOG position last quarter, 1 bought and 0 sold (100% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 55/100 in a Squeeze regime).
- +1 tracked investor added or increased positions last quarter (Ken Griffin)
- +2 tracked investors reported holding ACOG at their latest filing
- +Macro Health is 55/100 in a Squeeze regime — historically acceptable for this sectorsource
- −13F data is disclosed up to 45 days after quarter end — positions may have changed since
- · 13F disclosure lag (up to 45 days)
- · Tracked investors are a sample, not the whole market
- · Sector regime fit is a historical average, not a guarantee
Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 8/20/2026.
About ALPHA COGNITION INC (ACOG)
ALPHA COGNITION INC (ACOG) appears in the most recent 13F filings of 2 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $769,737. Across recent filings, tracked investors recorded 3 new positions, 1 increased, 1 reduced, and 1 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in ACOG
How many top investors track ACOG
Only 2 tracked investors report this position.
ACOG Ownership Composition
How ALPHA COGNITION INC is held across tracked investor types, based on reported 13F positions.
- Multi-Strategy / Quant61.3%
- Macro38.7%
Tracked investors currently reporting ACOG
1 tracked investor has since exited this position — listed separately below.
- Ken GriffinJun 30, 2026Citadel AdvisorsShares97.5KValue$704.3K% Portfolio0.00%
- Paul Tudor JonesJun 30, 2026Tudor Investment CorpShares61.6KValue$444.7K% Portfolio0.00%
Previously held ACOG
These investors reported ACOG in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.
| Investor | Firm | Last reported shares | Value then | Last held |
|---|---|---|---|---|
| Izzy Englander | Millennium Management | 17.3K | $112.3K | Sep 30, 2025 |
Recent activity
- $160.7KAug 14, 2025
- Sold$0(-100.00%)Feb 17, 2026
- New$769.7KFeb 17, 2026
- Increased$704.3K(8.88%)Aug 14, 2026
- $412.3KFeb 14, 2025
- Unchanged$354.2K(0.00%)May 15, 2025
- Unchanged$653.1K(0.00%)Aug 14, 2025
- Reduced$401K(-12.01%)Dec 9, 2025
- Unchanged$338.2K(0.00%)May 15, 2026
- Unchanged$444.7K(0.00%)Aug 14, 2026
Frequently asked questions
- How many institutional investors hold ACOG?
- 2 tracked institutional investors disclosed a position in ACOG (ALPHA COGNITION INC) in their most recent 13F filing.
- Who is the largest institutional holder of ACOG?
- Ken Griffin, Citadel Advisors, holds the largest disclosed position in ACOG, valued at $769,737.
- Did institutional ownership of ACOG increase or decrease?
- Across recent 13F filings, tracked investors recorded 3 new positions, 1 increased, 1 reduced, and 1 fully exited ACOG.
- Where does this ACOG ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.