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ProMIS Neurosciences Inc.

PMN
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001374339

In the last 90 days, ProMIS Neurosciences Inc. insiders filed 1 open-market purchase and 0 sales; 27 institutions reported holding it in 13F filings for Q2 2026, worth $84.3M in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in ProMIS Neurosciences Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
27
+3 vs. Q1 2026
Shares held
6.40M
+1.55M (+32.0%) vs. Q1 2026
Total value
$84.3M
+$22.7M (+36.8%) vs. Q1 2026
New holders
5
6 more added
Sold out
2
6 more reduced

1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting PMN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 27 institutions
Q1 2021: 1 institutionQ2 2021: 1 institutionQ3 2021: 1 institutionQ4 2021: 1 institutionQ1 2022: 1 institutionQ2 2022: 2 institutionsQ3 2022: 13 institutionsQ4 2022: 13 institutionsQ1 2023: 12 institutionsQ2 2023: 13 institutionsQ3 2023: 14 institutionsQ4 2023: 15 institutionsQ1 2024: 16 institutionsQ2 2024: 16 institutionsQ3 2024: 18 institutionsQ4 2024: 18 institutionsQ1 2025: 17 institutionsQ2 2025: 19 institutionsQ3 2025: 23 institutionsQ4 2025: 9 institutionsQ1 2026: 25 institutionsQ2 2026: 27 institutions
Value heldQ2 2026: $84.3M
Q1 2021: $12.0KQ2 2021: $12.0KQ3 2021: $10.0KQ4 2021: $8.00KQ1 2022: $7.00KQ2 2022: $468.0KQ3 2022: $1.13MQ4 2022: $824.5KQ1 2023: $889.2KQ2 2023: $723.8KQ3 2023: $5.61MQ4 2023: $3.85MQ1 2024: $6.46MQ2 2024: $4.90MQ3 2024: $12.6MQ4 2024: $9.24MQ1 2025: $6.49MQ2 2025: $4.10MQ3 2025: $4.25MQ4 2025: $1.80MQ1 2026: $78.0MQ2 2026: $84.3M
Institutions holding PMN and their total value by quarter
QuarterHoldersValue
Q2 202627$84.3M
Q1 202625$78.0M
Q4 20259$1.80M
Q3 202523$4.25M
Q2 202519$4.10M
Q1 202517$6.49M
Q4 202418$9.24M
Q3 202418$12.6M
Q2 202416$4.90M
Q1 202416$6.46M
Q4 202315$3.85M
Q3 202314$5.61M
Q2 202313$723.8K
Q1 202312$889.2K
Q4 202213$824.5K
Q3 202213$1.13M
Q2 20222$468.0K
Q1 20221$7.00K
Q4 20211$8.00K
Q3 20211$10.0K
Q2 20211$12.0K
Q1 20211$12.0K

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding ProMIS Neurosciences Inc.; share changes are against Q1 2026.

Institutions holding PMN in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Jupiter Topco LLC1,292,757$17.0M0.01%+1,292,757New
Deep Track Capital, LP835,655$11.0M0.16%00.0%Unchanged
Wellington Management Group LLP696,378$9.16M0.00%00.0%Unchanged
Ally Bridge Group (NY) LLC620,319$8.16M10.52%+206,100+49.8%Added
Trails Edge Capital Partners, LP557,103$7.33M1.16%00.0%Unchanged
Woodline Partners LP441,911$5.82M0.02%+46,616+11.8%Added
Fan Yu329,760$4.34M4.02%00.0%Unchanged
Sphera Funds Management Ltd.325,591$4.28M0.61%00.0%Unchanged
Squadron Capital Management LLC324,977$4.28M1.46%00.0%Unchanged
Ikarian Capital, LLC205,000$2.70M0.44%+150,000+272.7%Added
Ameriprise Financial Inc185,700$2.44M0.00%+185,700New
Adage Capital Partners GP, L.L.C.164,275$2.16M0.00%+25,000+18.0%Added
683 Capital Management, LLC95,000$1.25M0.11%+2,150+2.3%Added
ADAR1 Capital Management, LLC92,850$1.22M0.06%−2,500−2.6%Reduced
Great Point Partners LLC86,150$1.13M0.27%−285,252−76.8%Reduced
Boothbay Fund Management, LLC62,078$816.9K0.02%+46,035+286.9%Added
Millennium Management LLC56,045$737.6K0.00%−21,876−28.1%Reduced
Bank of Montreal11,371$149.6K0.00%+11,371New
Seven Fleet Capital Management LP10,600$139.5K0.02%00.0%Unchanged
Morgan Stanley7,559$99.5K0.00%+7,559New
UBS Group AG691$9.09K0.00%−609−46.8%Reduced
Advisor Group Holdings, Inc.360$4.74K0.00%00.0%Unchanged
Royal Bank of Canada218$3.00K0.00%−50−18.7%Reduced
Steward Partners Investment Advisory, LLC94$1.24K0.00%−6−6.0%Reduced
Federation des caisses Desjardins du Quebec10$1310.00%00.0%Unchanged
TD Waterhouse Canada Inc.5$660.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd3$390.00%+3New
Empery Asset Management, LP0$00.00%−60,353−100.0%Sold out
Heights Capital Management, Inc0$00.00%−50,660−100.0%Sold out
Janus Henderson Group PLC––––Not filed