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ACOG ALPHA COGNITION INC

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COM NEW (common), issuer CIK 1655923

25 managers (25 13F filers) reported a position in ACOG shares at 2026-03-31, 10,532,491 shares in all. 3 filers opened a position and 5 filers sold out during the quarter.

Managers
25
13F filers
25
New
3
Added
5
Reduced
5
Sold out
5
Shares held by filers
10,532,491

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, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, 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
Opaleye Management Inc.2,561,950$14.1M1.85%+491,16613F-HRTimeline
Solas Capital Management, LLC1,924,617$10.6M6.08%-43,43513F-HRTimeline
AWM Investment Company, Inc.1,672,168$9.18M1.02%013F-HRTimeline
Cable Car Capital, LP1,382,339$7.59M2.62%+322,12713F-HRTimeline
Ikarian Capital, LLCin group Ikarian Capital, LLC1,056,259$5.8M0.83%013F-HRTimelineGroup
SPHERA FUNDS MANAGEMENT LTD.in group SPHERA FUNDS MANAGEMENT LTD.567,616$3.12M0.54%013F-HRTimelineGroup
Alyeska Investment Group, L.P.in group Alyeska Investment Group, L.P.365,000$2M0.01%013F-HRTimelineGroup
BOOTHBAY FUND MANAGEMENT, LLC256,393$1.41M0.03%013F-HRTimeline
Aristides Capital LLC218,510$1.2M0.4%+3,05213F-HRTimeline
CANTOR FITZGERALD, L. P.in group CANTOR FITZGERALD, L. P.188,631$1.04M0.04%+25,20013F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC89,589$492K<0.01%-28,83213F-HRTimelineGroup
VILLERE ST DENIS J & CO LLC71,158$391K0.04%-2,71713F-HRTimeline
TUDOR INVESTMENT CORP ET AL61,596$338K<0.01%013F-HRTimeline
ACT CAPITAL MANAGEMENT, LLC51,500$283K0.22%013F-HRTimeline
BERKSHIRE ASSET MANAGEMENT LLC/PA19,824$109K<0.01%013F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP15,886$87.2K<0.01%-41,68613F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC11,992$65.8K<0.01%013F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC10,000$54.9K<0.01%new13F-HRTimelineGroup
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/5,292$28.3K<0.01%013F-HRTimelineGroup
Allworth Financial LP750$4.12K<0.01%013F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA679$4K<0.01%+55713F-HRTimelineGroup
UBS Group AGin group UBS Group AG438$2.4K<0.01%-48913F-HRTimelineGroup
Steward Partners Investment Advisory, L…200$1.1K<0.01%013F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP100$508<0.01%new13F-HRTimelineGroup
HARBOUR INVESTMENTS, INC.4$25<0.01%new13F-HRTimeline