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ACOG ALPHA COGNITION INC

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COM NEW (common), issuer CIK 1655923

28 managers (28 13F filers) reported a position in ACOG shares at 2025-09-30, 5,643,121 shares in all. 7 filers opened a position and 5 filers sold out during the quarter.

Managers
28
13F filers
28
New
7
Added
8
Reduced
4
Sold out
5
Shares held by filers
5,643,121

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Solas Capital Management, LLC1,282,192$8.35M5.09%+6,18013F-HRTimeline
AWM Investment Company, Inc.1,095,652$7.13M0.67%013F-HRTimeline
Ikarian Capital, LLCin group Ikarian Capital, LLC946,259$6.16M1.25%+28,39213F-HRTimelineGroup
Cable Car Capital, LP869,002$5.66M2.42%013F-HRTimeline
SPHERA FUNDS MANAGEMENT LTD.in group SPHERA FUNDS MANAGEMENT LTD.338,752$2.21M0.52%-37,89713F-HRTimelineGroup
BOOTHBAY FUND MANAGEMENT, LLC291,868$1.9M0.05%+28,39213F-HRTimeline
Aristides Capital LLC165,458$1.08M0.32%013F-HRTimeline
CORSAIR CAPITAL MANAGEMENT, L.P.134,898$878K0.16%013F-HR/ATimeline
Opaleye Management Inc.115,142$750K0.11%new13F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP72,212$470K<0.01%+7,88713F-HRTimelineGroup
VILLERE ST DENIS J & CO LLC65,258$425K0.04%+1,42013F-HRTimeline
TUDOR INVESTMENT CORP ET AL61,596$401K<0.01%-8,40413F-HR/ATimeline
Connective Capital Management, LLC47,931$312K0.29%new13F-HRTimeline
SALEM INVESTMENT COUNSELORS INC45,402$296K0.01%013F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP22,728$148K<0.01%new13F-HRTimelineGroup
Zullo Investment Group, Inc.19,500$127K0.05%new13F-HRTimeline
BERKSHIRE ASSET MANAGEMENT LLC/PA17,824$116K<0.01%+6,00013F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC17,250$112K<0.01%+2613F-HRTimelineGroup
Quadrature Capital Ltdin group Quadrature Capital Ltd13,642$88.8K<0.01%new13F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC11,992$78.1K<0.01%013F-HRTimelineGroup
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/5,292$34.1K<0.01%-6,80113F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,648$10.7K<0.01%new13F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY840$5.47K<0.01%+31513F-HR/ATimelineGroup
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP200$1.42K<0.01%new13F-HRTimelineGroup
Steward Partners Investment Advisory, L…200$1.3K<0.01%013F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA122$1K<0.01%013F-HRTimelineGroup
UBS Group AGin group UBS Group AG141$918<0.01%-31,75813F-HRTimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…120$781<0.01%013F-HRTimelineGroup