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ACOG ALPHA COGNITION INC

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COM NEW (common), issuer CIK 1655923

26 managers (26 13F filers) reported a position in ACOG shares at 2026-06-30, 10,489,007 shares in all. 1 filer opened a position and 0 filers sold out during the quarter.

Managers
26
13F filers
26
New
1
Added
6
Reduced
5
Sold out
0
Shares held by filers
10,489,007

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, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, 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
Opaleye Management Inc.2,895,467$20.9M1.89%+333,51713F-HRTimeline
Solas Capital Management, LLC1,924,617$13.9M7.45%013F-HRTimeline
AWM Investment Company, Inc.1,672,168$12.1M1.05%013F-HRTimeline
Cable Car Capital, LP1,382,339$9.98M0.21%013F-HRTimeline
Ikarian Capital, LLC836,259$6.04M0.99%-220,00013F-HRTimeline
SPHERA FUNDS MANAGEMENT LTD.in group SPHERA FUNDS MANAGEMENT LTD.545,816$3.94M0.56%-21,80013F-HRTimelineGroup
Alyeska Investment Group, L.P.in group Alyeska Investment Group, L.P.365,000$2.64M0.01%013F-HRTimelineGroup
Aristides Capital LLC218,510$1.58M0.4%013F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC189,148$1.37M0.03%-67,24513F-HRTimeline
CANTOR FITZGERALD, L. P.in group CANTOR FITZGERALD, L. P.108,918$786K0.02%-79,71313F-HR/ATimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC97,546$704K<0.01%+7,95713F-HRTimelineGroup
VILLERE ST DENIS J & CO LLC71,158$514K0.06%013F-HRTimeline
TUDOR INVESTMENT CORP ET AL61,596$445K<0.01%013F-HRTimeline
ACT CAPITAL MANAGEMENT, LLC51,500$372K0.24%013F-HRTimeline
BERKSHIRE ASSET MANAGEMENT LLC/PA19,824$143K0.01%013F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP18,832$136K<0.01%+2,94613F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC11,992$86.6K<0.01%013F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC10,000$72.2K<0.01%013F-HRTimelineGroup
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/5,292$37.7K<0.01%013F-HRTimelineGroup
UBS Group AGin group UBS Group AG1,456$10.5K<0.01%+1,01813F-HRTimelineGroup
Allworth Financial LP750$5.42K<0.01%013F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP250$1.62K<0.01%+15013F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY200$1.44K<0.01%new13F-HRTimelineGroup
Steward Partners Investment Advisory, L…200$1.44K<0.01%013F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA122$1K<0.01%-55713F-HRTimelineGroup
HARBOUR INVESTMENTS, INC.47$336<0.01%+4313F-HRTimeline