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PMN PROMIS NEUROSCIENCES INC

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COM SHS (common), issuer CIK 1374339

27 managers (27 13F filers) reported a position in PMN shares at 2026-06-30, 6,402,460 shares in all. 4 filers opened a position and 2 filers sold out during the quarter.

Managers
27
13F filers
27
New
4
Added
6
Reduced
6
Sold out
2
Shares held by filers
6,402,460

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
Jupiter Topco LLCin group Janus Henderson1,292,757$17M0.01%13F-HRTimelineGroup
Deep Track Capital, LP835,655$11M0.16%013F-HRTimeline
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…696,378$9.16M<0.01%013F-HRTimelineGroup
Ally Bridge Group (NY) LLC620,319$8.16M10.52%+206,10013F-HRTimeline
Trails Edge Capital Partners, LP557,103$7.33M1.16%013F-HRTimeline
Woodline Partners LP441,911$5.82M0.02%+46,61613F-HRTimeline
Yu Fan329,760$4.34M4.02%013F-HRTimeline
SPHERA FUNDS MANAGEMENT LTD.in group SPHERA FUNDS MANAGEMENT LTD.325,591$4.28M0.61%013F-HRTimelineGroup
Squadron Capital Management LLC324,977$4.28M1.46%013F-HRTimeline
Ikarian Capital, LLC205,000$2.7M0.44%+150,00013F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC185,700$2.44M<0.01%new13F-HRTimelineGroup
ADAGE CAPITAL PARTNERS GP, L.L.C.in group ADAGE CAPITAL PARTNERS GP, L.…164,275$2.16M<0.01%+25,00013F-HRTimelineGroup
683 Capital Management, LLCin group 683 Capital Management, LLC95,000$1.25M0.11%+2,15013F-HRTimelineGroup
ADAR1 Capital Management, LLCin group ADAR1 Capital Management, LLC92,850$1.22M0.06%-2,50013F-HRTimelineGroup
GREAT POINT PARTNERS LLC86,150$1.13M0.27%-285,25213F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC62,078$817K0.02%+46,03513F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC56,045$738K<0.01%-21,87613F-HRTimelineGroup
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/11,371$150K<0.01%new13F-HRTimelineGroup
Seven Fleet Capital Management LP10,600$139K0.02%013F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY7,559$99.5K<0.01%new13F-HRTimelineGroup
UBS Group AGin group UBS Group AG691$9.09K<0.01%-60913F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.360$4.74K<0.01%013F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA218$3K<0.01%-5013F-HRTimelineGroup
Steward Partners Investment Advisory, L…94$1.24K<0.01%-613F-HRTimeline
Federation des caisses Desjardins du Qu…10$131<0.01%013F-HRTimeline
TD Waterhouse Canada Inc.5$66<0.01%013F-HRTimeline
Caitong International Asset Management …3$39<0.01%new13F-HRTimeline