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PMN PROMIS NEUROSCIENCES INC

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COM SHS (common), issuer CIK 1374339

25 managers (25 13F filers) reported a position in PMN shares at 2026-03-31, 6,143,232 shares in all. 18 filers opened a position and 2 filers sold out during the quarter.

Managers
25
13F filers
25
New
18
Added
3
Reduced
3
Sold out
2
Shares held by filers
6,143,232

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
JANUS HENDERSON GROUP PLCin group Janus Henderson1,292,757$16.4M0.01%new13F-HR/ATimelineGroup
Deep Track Capital, LP835,655$10.6M0.22%new13F-HRTimeline
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…696,378$8.84M<0.01%new13F-HRTimelineGroup
Trails Edge Capital Partners, LP557,103$7.08M1.67%new13F-HRTimeline
Ally Bridge Group (NY) LLC414,219$5.26M5.23%+164,88013F-HRTimeline
Woodline Partners LP395,295$5.02M0.02%new13F-HR/ATimeline
GREAT POINT PARTNERS LLC371,402$4.72M1.16%new13F-HRTimeline
Yu Fan329,760$4.19M4.32%new13F-HRTimeline
SPHERA FUNDS MANAGEMENT LTD.in group SPHERA FUNDS MANAGEMENT LTD.325,591$4.14M0.71%+313,78413F-HRTimelineGroup
Squadron Capital Management LLC324,977$4.13M1.65%new13F-HRTimeline
ADAGE CAPITAL PARTNERS GP, L.L.C.in group ADAGE CAPITAL PARTNERS GP, L.…139,275$1.77M<0.01%new13F-HRTimelineGroup
ADAR1 Capital Management, LLCin group ADAR1 Capital Management, LLC95,350$1.21M0.07%new13F-HRTimelineGroup
683 Capital Management, LLCin group 683 Capital Management, LLC92,850$1.18M0.11%new13F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC77,921$990K<0.01%new13F-HRTimelineGroup
Empery Asset Management, LP60,353$766K0.92%new13F-HRTimeline
Ikarian Capital, LLCin group Ikarian Capital, LLC55,000$698K0.1%new13F-HRTimelineGroup
HEIGHTS CAPITAL MANAGEMENT, INCin group HEIGHTS CAPITAL MANAGEMENT, I…50,660$643K0.18%new13F-HRTimelineGroup
BOOTHBAY FUND MANAGEMENT, LLC16,043$204K<0.01%new13F-HRTimeline
Seven Fleet Capital Management LP10,600$135K0.04%new13F-HR/ATimeline
UBS Group AGin group UBS Group AG1,300$16.5K<0.01%-15013F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.360$4.57K<0.01%013F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA268$4K<0.01%+5013F-HRTimelineGroup
Steward Partners Investment Advisory, L…100$1.27K<0.01%new13F-HRTimeline
Federation des caisses Desjardins du Qu…10$127<0.01%-32013F-HRTimeline
TD Waterhouse Canada Inc.5$65<0.01%-2013F-HRTimeline