# PROMIS NEUROSCIENCES INC (PMN)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/PMN/

- Reporting holders: 27
- Reported value: $84.3M
- Shares held by institutions: 6,402,460 of 8,967,693 outstanding
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Jupiter Topco LLC](https://holderbook.com/funds/2146052-jupiter-topco-llc/) | $17.0M | 1,292,757 | 0.0% | 1 |
| [Deep Track Capital, LP](https://holderbook.com/funds/1856083-deep-track-capital-lp/) | $11.0M | 835,655 | 0.2% | 2 |
| [WELLINGTON MANAGEMENT GROUP LLP](https://holderbook.com/funds/902219-wellington-management-group-llp/) | $9.2M | 696,378 | 0.0% | 2 |
| [Ally Bridge Group (NY) LLC](https://holderbook.com/funds/1822947-ally-bridge-group-ny-llc/) | $8.2M | 620,319 | 7.2% | 3 |
| [Trails Edge Capital Partners, LP](https://holderbook.com/funds/2077247-trails-edge-capital-partners-lp/) | $7.3M | 557,103 | 1.2% | 2 |
| [Woodline Partners LP](https://holderbook.com/funds/1784547-woodline-partners-lp/) | $5.8M | 441,911 | 0.0% | 2 |
| [Yu Fan](https://holderbook.com/funds/1668029-yu-fan/) | $4.3M | 329,760 | 4.0% | 2 |
| [SPHERA FUNDS MANAGEMENT LTD.](https://holderbook.com/funds/1496201-sphera-funds-management-ltd/) | $4.3M | 325,591 | 0.6% | 3 |
| [Squadron Capital Management LLC](https://holderbook.com/funds/2050709-squadron-capital-management-llc/) | $4.3M | 324,977 | 1.3% | 2 |
| [Ikarian Capital, LLC](https://holderbook.com/funds/1778253-ikarian-capital-llc/) | $2.7M | 205,000 | 0.3% | 2 |
| [AMERIPRISE FINANCIAL INC](https://holderbook.com/funds/820027-ameriprise-financial-inc/) | $2.4M | 185,700 | 0.0% | 1 |
| [ADAGE CAPITAL PARTNERS GP, L.L.C.](https://holderbook.com/funds/1165408-adage-capital-partners-gp-l-l-c/) | $2.2M | 164,275 | 0.0% | 2 |
| [683 Capital Management, LLC](https://holderbook.com/funds/1404574-683-capital-management-llc/) | $1.3M | 95,000 | 0.1% | 2 |
| [ADAR1 Capital Management, LLC](https://holderbook.com/funds/1940272-adar1-capital-management-llc/) | $1.2M | 92,850 | 0.1% | 2 |
| [GREAT POINT PARTNERS LLC](https://holderbook.com/funds/1281446-great-point-partners-llc/) | $1.1M | 86,150 | 0.2% | 2 |
| [BOOTHBAY FUND MANAGEMENT, LLC](https://holderbook.com/funds/1549230-boothbay-fund-management-llc/) | $816.9K | 62,078 | 0.0% | 2 |
| [MILLENNIUM MANAGEMENT LLC](https://holderbook.com/funds/1273087-millennium-management-llc/) | $737.6K | 56,045 | 0.0% | 2 |
| [BANK OF MONTREAL /CAN/](https://holderbook.com/funds/927971-bank-of-montreal-can/) | $149.6K | 11,371 | 0.0% | 1 |
| [Seven Fleet Capital Management LP](https://holderbook.com/funds/2092021-seven-fleet-capital-management-lp/) | $139.5K | 10,600 | 0.0% | 2 |
| [MORGAN STANLEY](https://holderbook.com/funds/895421-morgan-stanley/) | $99.5K | 7,559 | 0.0% | 1 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $9.1K | 691 | 0.0% | 3 |
| [OSAIC HOLDINGS, INC.](https://holderbook.com/funds/1677044-osaic-holdings-inc/) | $4.7K | 360 | 0.0% | 3 |
| [ROYAL BANK OF CANADA](https://holderbook.com/funds/1000275-royal-bank-of-canada/) | $3.0K | 218 | 0.0% | 3 |
| [Steward Partners Investment Advisory, LLC](https://holderbook.com/funds/1723397-steward-partners-investment-advisory-llc/) | $1.2K | 94 | 0.0% | 2 |
| [Federation des caisses Desjardins du Quebec](https://holderbook.com/funds/2022297-federation-des-caisses-desjardins-du-quebec/) | $131 | 10 | 0.0% | 3 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 27 | $84.3M |
| Q1 2026 | 25 | $78.0M |
| Q4 2025 | 8 | $1.8M |
| Q3 2025 | 23 | $4.2M |
| Q2 2025 | 19 | $4.1M |
| Q1 2025 | 17 | $6.5M |
| Q4 2024 | 18 | $9.2M |
| Q3 2024 | 18 | $12.6M |
| Q2 2024 | 16 | $4.9M |
| Q1 2024 | 16 | $6.5M |
| Q4 2023 | 15 | $3.9M |
| Q3 2023 | 14 | $5.6M |

