# PROMIS NEUROSCIENCES INC COM SHS

PROMIS NEUROSCIENCES INC COM SHS is a security (CUSIP 74346M505) tracked across SEC portfolio filings. 26 institutional managers reported $78.0M on Form 13F as of 2026-06-30; 1 registered fund positions totaling $-5K via N-PORT as of 2026-03-31.

## Summary

- Issuer: PROMIS NEUROSCIENCES INC
- Class: COM SHS
- CUSIP: 74346M505
- Asset category: EC
- 13F holders: 26
- 13F value: $78.0M
- 13F period: 2026-06-30
- N-PORT fund positions: 1
- N-PORT value: $-5K
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 26 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| JANUS HENDERSON GROUP PLC | LONDON, X0 | $16.4M | 1,292,757 |
| Deep Track Capital, LP | GREENWICH, CT | $10.6M | 835,655 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $8.8M | 696,378 |
| Trails Edge Capital Partners, LP | ATLANTA, GA | $7.1M | 557,103 |
| [Ally Bridge Group (NY) LLC](https://search.stillhousedata.com/firm/291072) | NEW YORK, NY | $5.3M | 414,219 |
| [Woodline Partners LP](https://search.stillhousedata.com/firm/301480) | San Francisco, CA | $5.0M | 395,295 |
| [GREAT POINT PARTNERS LLC](https://search.stillhousedata.com/firm/158423) | Greenwich, CT | $4.7M | 371,402 |
| Yu Fan | HONG KONG, K3 | $4.2M | 329,760 |
| [SPHERA FUNDS MANAGEMENT LTD.](https://search.stillhousedata.com/firm/312614) | TEL AVIV, L3 | $4.1M | 325,591 |
| [Squadron Capital Management LLC](https://search.stillhousedata.com/firm/334296) | WESTMONT, IL | $4.1M | 324,977 |
| [ADAGE CAPITAL PARTNERS GP, L.L.C.](https://search.stillhousedata.com/firm/160679) | Boston, MA | $1.8M | 139,275 |
| [ADAR1 Capital Management, LLC](https://search.stillhousedata.com/firm/299694) | AUSTIN, TX | $1.2M | 95,350 |
| [683 Capital Management, LLC](https://search.stillhousedata.com/firm/156181) | NEW YORK, NY | $1.2M | 92,850 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $990K | 77,921 |
| [Empery Asset Management, LP](https://search.stillhousedata.com/firm/148180) | New York, NY | $766K | 60,353 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Blackstone Alternative Multi-Strategy Fund](https://search.stillhousedata.com/fund/S000045538) | Blackstone Alternative Investment Funds | $-5K | -0.01% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/74346M505.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.