Who owns ProMIS Neurosciences, Inc.?
Institutional ownership of PMN from SEC Form 13F filings across 17 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
17
13F holders
$50.6M
value, 2026 filers
293.8%
of shares outstanding (3.8M sh)
4
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of PMN's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Jupiter Topco LLCNEW | 1.3M | $17.0M | 0.0% | 98.9% | new |
| 2 | Deep Track Capital, LP | 835,655 | $11.0M | 0.2% | 63.9% | 0.0% |
| 3 | WELLINGTON MANAGEMENT GROUP LLP | 696,378 | $9.2M | 0.0% | 53.3% | 0.0% |
| 4 | Woodline Partners LP | 441,911 | $5.8M | 0.0% | 33.8% | -44.1% |
| 5 | AMERIPRISE FINANCIAL INCNEW | 185,700 | $2.4M | 0.0% | 14.2% | new |
| 6 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 164,275 | $2.2M | 0.0% | 12.6% | +18.0% |
| 7 | GREAT POINT PARTNERS LLC | 86,150 | $1.1M | 0.2% | 6.6% | -76.8% |
| 8 | BOOTHBAY FUND MANAGEMENT, LLC | 62,078 | $816,946 | 0.0% | 4.7% | +286.9% |
| 9 | MILLENNIUM MANAGEMENT LLC | 56,045 | $737,552 | 0.0% | 4.3% | -28.1% |
| 10 | BANK OF MONTREAL /CAN/NEW | 11,371 | $149,642 | 0.0% | 0.9% | new |
| 11 | MORGAN STANLEYNEW | 7,559 | $99,476 | 0.0% | 0.6% | new |
| 12 | UBS Group AG | 691 | $9,093 | 0.0% | 0.1% | -46.8% |
| 13 | OSAIC HOLDINGS, INC. | 360 | $4,737 | 0.0% | 0% | 0.0% |
| 14 | ROYAL BANK OF CANADA | 218 | $3,000 | 0.0% | 0% | -18.7% |
| 15 | Steward Partners Investment Advisory, LLC | 94 | $1,237 | 0.0% | 0% | -6.0% |
| 16 | Federation des caisses Desjardins du Quebec | 10 | $131 | 0.0% | 0% | 0.0% |
| 17 | TD Waterhouse Canada Inc. | 5 | $66 | 0.0% | 0% | 0.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.