PMNNasdaqPharmaceutical PreparationsFiscal year ends December 31
ProMIS Neurosciences Inc.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 13, 2026
$8.23+0.08 (+0.98%)
Close on Oct 19, 2026
- Market cap
- $75.24M
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
71.4%
6M of 9M shares
Institutional holders
27
5 new, 2 sold out
Net institutional buying
2M
In Q2 2026
Insider trades, 12 months
8 buys · 0 sales
Net bought $8.74M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Jeremy M. Sclar | 9,511,930 | 16.90% | 13G (passive) amendment | Sep 30, 2025 |
| Trails Edge Biotechnology Master Fund, LP | 933,477 | 9.90% | 13G (passive) | Feb 3, 2026 |
| Deep Track Capital, LP | 902,561 | 9.99% | 13G (passive) | Jan 30, 2026 |
| Great Point Partners, LLC | 736,881 | 7.66% | 13G (passive) amendment | Jun 30, 2026 |
| Wellington Management Company LLP | 696,378 | 7.80% | 13G (passive) amendment | Jun 30, 2026 |
| Wellington Biomedical Innovation Master Investors (Cayman) II, L.P. | 696,378 | 7.80% | 13G (passive) amendment | Jun 30, 2026 |
| Ally Bridge MedAlpha Master Fund L.P. | 6,070,405 | 11.30% | 13D (active) amendment | Jan 29, 2026 |
| Title 19 Promis | 4,886,108 | 9.00% | 13G (passive) amendment | Jun 30, 2025 |
| Ms. Lillian Nordahl | 409,648 | 9.99% | 13G (passive) amendment | Dec 31, 2025 |
| Dr. Jeffrey R. Jay, M.D. | 3,334,520 | 9.99% | 13G (passive) amendment | Dec 31, 2024 |
| Sphera Funds Management Ltd. | 3,122,090 | 5.51% | 13G (passive) amendment | Sep 30, 2025 |
| Steven Boyd | 2,509,977 | 7.68% | 13G (passive) amendment | Dec 31, 2024 |
| Sphera Global Healthcare Management LP. | 180,698 | 7.78% | 13G (passive) amendment | Dec 31, 2025 |
| Fan Yu | 1,644,397 | 17.00% | 13D (active) amendment | Feb 3, 2026 |
| Janus Henderson Group PLC | 1,292,757 | 14.40% | 13G (passive) | Mar 31, 2026 |
| Jonathan Shafmaster | 10,534,639 | 10.01% | 13G (passive) amendment | Jul 29, 2025 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of PMN | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Jupiter Topco LLC | 1,292,757 | 14.42% | $17.01M | New | 0.01% |
| Deep Track Capital, LP | 835,655 | 9.32% | $11.00M | – | 0.16% |
| Wellington Management Group Llp | 696,378 | 7.77% | $9.16M | – | 0.00% |
| Ally Bridge Group (NY) LLC | 620,319 | 6.92% | $8.16M | +206,100 | 7.22% |
| Trails Edge Capital Partners, LP | 557,103 | 6.21% | $7.33M | – | 1.16% |
| Woodline Partners LP | 441,911 | 4.93% | $5.82M | +46,616 | 0.02% |
| Yu Fan | 329,760 | 3.68% | $4.34M | – | 4.02% |
| Sphera Funds Management Ltd. | 325,591 | 3.63% | $4.28M | – | 0.56% |
| Squadron Capital Management LLC | 324,977 | 3.62% | $4.28M | – | 1.33% |
| Ikarian Capital, LLC | 205,000 | 2.29% | $2.70M | +150,000 | 0.29% |
| Ameriprise Financial Inc | 185,700 | 2.07% | $2.44M | New | 0.00% |
| Adage Capital Partners Gp, L.L.C. | 164,275 | 1.83% | $2.16M | +25,000 | 0.00% |
| 683 Capital Management, LLC | 95,000 | 1.06% | $1.25M | +2,150 | 0.06% |
| ADAR1 Capital Management, LLC | 92,850 | 1.04% | $1.22M | −2,500 | 0.06% |
| Great Point Partners LLC | 86,150 | 0.96% | $1.13M | −285,252 | 0.21% |
| Boothbay Fund Management, LLC | 62,078 | 0.69% | $816.95K | +46,035 | 0.01% |
| Millennium Management LLC | 56,045 | 0.62% | $737.55K | −21,876 | 0.00% |
| Bank Of Montreal /Can/ | 11,371 | 0.13% | $149.64K | New | 0.00% |
| Seven Fleet Capital Management LP | 10,600 | 0.12% | $139.50K | – | 0.02% |
| Morgan Stanley | 7,559 | 0.08% | $99.48K | New | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 27 | 6M | 71.4% | 5 / 6 | 6 / 2 | 2M | 0M |
| Q1 2026 | 25 | 6M | 68.5% | 18 / 3 | 3 / 2 | 6M | 0M |
| Q4 2025 | 9 | 0M | 3.0% | 9 / 0 | 0 / 0 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of PMN | Value | % of fund | As of |
|---|---|---|---|---|---|
| Fidelity Nasdaq Composite Index Fund | 5,676 | 0.06% | $61.36K | 0.00% | May 31, 2026 |
| Blackstone Alternative Multi-Strategy Fund | -404 | -0.00% | -$5.32K | -0.00% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Neil K. Warma | Chief Executive Officer, Director | 6,183 | 0.07% | May 22, 2026 |
| Neil Cashman | Chief Scientific Officer, Director | 9,318 | 0.10% | May 22, 2026 |
| Johanne Kaplan | Chief Development Officer | 6,221 | 0.07% | Aug 7, 2026 |
| Max A. Milbury | Principal Accounting Officer | 8,409 | 0.09% | May 22, 2026 |
| Larry Douglas Altstiel | Chief Medical Officer | – | – | Sep 24, 2025 |
| Eugene Williams | Director | 12,397 | 0.14% | May 22, 2026 |
| Josh Mandel-Brehm | Director | – | – | May 22, 2026 |
| William W. Wyman | Director | 62,937 | 0.70% | May 22, 2026 |
| Slanix Paul Alex | Director | 6,058,738 | 67.56% | May 22, 2026 |
| Madge K. Shafmaster | Director | 208,333 | 2.32% | May 22, 2026 |
| Patrick D. Kirwin | Director | 10,093 | 0.11% | Apr 23, 2026 |
| Ally Bridge Group Global Life Science Capital Partners V, L.P. | 10% owner | – | – | Feb 25, 2026 |
| ABG Global Life Science Capital Partners V GP, L.P. | 10% owner | 943,090 | 10.52% | Feb 25, 2026 |
| Global Life Science Capital Partners V. GP Ltd ABG | 10% owner | – | – | Feb 25, 2026 |
| V-SIV X. Ltd ABG | 10% owner | – | – | Feb 25, 2026 |
| V-SIV IX Ltd ABG | 10% owner | – | – | Feb 25, 2026 |
| Bridge MedAlpha Master Fund L.P. Ally | 10% owner | 6,058,738 | 67.56% | Feb 5, 2026 |
| Fan Yu | 10% owner | 943,090 | 10.52% | Feb 5, 2026 |
| Management Ltd. ABG | 10% owner | – | – | Feb 5, 2026 |
| Bridge Group (NY) LLC Ally | 10% owner | – | – | Feb 5, 2026 |
| M. Sclar 2012 Irrevocable Family Trust Jeremy | 10% owner | 1,617,437 | 18.04% | Sep 30, 2025 |
| Jeremy M. Sclar | 10% owner | 7,246,296 | 80.80% | Sep 8, 2025 |
| Michael S. Gordon | – | 2,435,029 | 27.15% | Aug 14, 2025 |
| 19 Promis Title | – | 2,435,029 | 27.15% | Aug 14, 2025 |
| QIC LLC Shaf | 10% owner | 5,184,760 | 57.82% | Aug 14, 2025 |
| Jonathan Shafmaster | 10% owner | – | – | Aug 14, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Johanne Kaplan Chief Development Officer | Aug 5, 2026 | Buy | +2,280 | $13.30 | $30.32K | 6,221 |
| Patrick D. Kirwin Director | Apr 22, 2026 | Buy | +4,000 | $11.33 | $45.32K | 4,653 |
| Eugene Williams Director | Mar 5, 2026 | Buy | +2,000 | $24.40 | $48.80K | 12,397 |
| Eugene Williams Director | Mar 4, 2026 | Buy | +2,000 | $24.00 | $48.00K | 10,397 |
| Eugene Williams Director | Mar 3, 2026 | Buy | +1,000 | $21.89 | $21.89K | 8,397 |
| Eugene Williams Director | Mar 2, 2026 | Buy | +1,000 | $22.53 | $22.53K | 7,397 |
| Johanne Kaplan Chief Development Officer | Feb 19, 2026 | Buy | +1,629 | $15.35 | $25.01K | 3,941 |
| Max A. Milbury – | Feb 3, 2026 | Award | +6,595 | $12.13 | $80.00K | 8,409 |
| Johanne Kaplan Chief Development Officer | Feb 3, 2026 | Award | +2,060 | $12.13 | $24.99K | 2,312 |
| Neil Cashman Chief Scientific Officer, Director | Feb 3, 2026 | Award | +4,122 | $12.13 | $50.00K | 4,122 |
| Patrick D. Kirwin Director | Feb 3, 2026 | Award | +3,050 | $12.13 | $37.00K | 5,135 |
| Neil K. Warma Chief Executive Officer, Director | Feb 3, 2026 | Award | +6,183 | $12.13 | $75.00K | 6,183 |
| Fan Yu 10% owner | Feb 3, 2026 | Buy | +700,741 | $12.13 | $8.50M | 943,090 |
| Max A. Milbury – | Oct 3, 2025 | Buy | +30,392 | $0.49 | $14.89K | 45,389 |
| M. Sclar 2012 Irrevocable Family Trust Jeremy 10% owner | Jul 25, 2025 | Option exercise | +697,674 | – | – | 3,012,785 |
| M. Sclar 2012 Irrevocable Family Trust Jeremy 10% owner | Jul 25, 2025 | Option exercise | +697,674 | – | – | 2,315,111 |
| M. Sclar 2012 Irrevocable Family Trust Jeremy 10% owner | Jul 25, 2025 | Option exercise | +697,674 | – | – | 3,710,459 |
| Jeremy M. Sclar 10% owner | Jul 25, 2025 | Option exercise | +697,674 | – | – | 3,710,459 |
| Jeremy M. Sclar 10% owner | Jul 25, 2025 | Option exercise | +697,674 | – | – | 2,315,111 |
| Jeremy M. Sclar 10% owner | Jul 25, 2025 | Option exercise | +697,674 | – | – | 3,012,785 |
| 19 Promis Title 10% owner | Jul 25, 2025 | Option exercise | +119,800 | – | – | 2,435,029 |
| 19 Promis Title 10% owner | Jul 25, 2025 | Option exercise | +119,800 | – | – | 2,315,229 |
| 19 Promis Title 10% owner | Jul 25, 2025 | Option exercise | +119,800 | – | – | 2,195,429 |
| Michael S. Gordon 10% owner | Jul 25, 2025 | Option exercise | +119,800 | – | – | 2,315,229 |
| Michael S. Gordon 10% owner | Jul 25, 2025 | Option exercise | +119,800 | – | – | 2,195,429 |
| Michael S. Gordon 10% owner | Jul 25, 2025 | Option exercise | +119,800 | – | – | 2,435,029 |
| Michael S. Gordon 10% owner | Jun 30, 2025 | Sale | −93,223 | – | – | 0 |
| Michael S. Gordon – | Mar 13, 2025 | Other | −48,333 | – | – | 0 |
| Neil Cashman Chief Scientific Officer, Director | Feb 10, 2025 | Buy | +15,000 | $0.97 | $14.55K | 16,617 |
| Madge K. Shafmaster Director | Sep 24, 2024 | Buy | +70,000 | $1.30 | $91.00K | 208,333 |
| Madge K. Shafmaster Director | Sep 23, 2024 | Buy | +70,000 | $1.28 | $89.60K | 138,333 |
| Madge K. Shafmaster Director | Sep 20, 2024 | Buy | +60,000 | $1.25 | $75.00K | 68,333 |
| Michael S. Gordon 10% owner | Sep 17, 2024 | Buy | +16,292 | $1.40 | $22.81K | 93,223 |
| Michael S. Gordon 10% owner | Sep 16, 2024 | Buy | +76,931 | $1.22 | $93.86K | 76,931 |
| Patrick D. Kirwin Director | Aug 14, 2024 | Buy | +10,000 | $1.25 | $12.50K | 62,983 |
| 19 Promis Title 10% owner | Jul 31, 2024 | Buy | +465,116 | – | – | 1,575,629 |
| 19 Promis Title 10% owner | Jul 31, 2024 | Conversion | +500,000 | – | – | 2,075,629 |
| Jeremy M. Sclar 10% owner | Jul 31, 2024 | Conversion | +150,000 | – | – | 1,155,726 |
| Jeremy M. Sclar 10% owner | Jul 31, 2024 | Buy | +697,674 | – | – | 1,467,437 |
| Jeremy M. Sclar 10% owner | Jul 31, 2024 | Conversion | +150,000 | – | – | 1,617,437 |
| Michael S. Gordon 10% owner | Jul 31, 2024 | Conversion | +500,000 | – | – | 2,075,629 |
| Michael S. Gordon 10% owner | Jul 31, 2024 | Buy | +465,116 | – | – | 1,575,629 |
| Max A. Milbury Principal Accounting Officer | Aug 23, 2023 | Award | +13,297 | – | – | 14,997 |
| Gavin T. Malenfant Chief Operating Officer | Aug 23, 2023 | Award | +2,660 | – | – | 2,660 |
| Neil Cashman Chief Scientific Officer, Director | Aug 23, 2023 | Award | +10,643 | – | – | 113,304 |
| Patrick D. Kirwin Director | Aug 23, 2023 | Award | +11,000 | – | – | 52,983 |
| Gail M. Farfel Chief Executive Officer, Director | Aug 23, 2023 | Award | +53,192 | – | – | 55,192 |
| Eugene Williams Director | Dec 16, 2022 | Buy | +1,000 | $4.64 | $4.64K | 159,930 |
| Eugene Williams Director | Dec 16, 2022 | Buy | +1,000 | $4.65 | $4.65K | 158,930 |
| Patrick D. Kirwin Director | Dec 15, 2022 | Buy | +2,000 | $4.51 | $9.02K | 27,998 |
| Gail M. Farfel Chief Executive Officer | Dec 14, 2022 | Buy | +1,000 | $4.94 | $4.94K | 2,000 |
| Patrick D. Kirwin Director | Dec 13, 2022 | Buy | +1,000 | $4.87 | $4.87K | 25,998 |
| Eugene Williams Director | Dec 12, 2022 | Buy | +1,000 | $5.08 | $5.08K | 157,930 |
| Patrick D. Kirwin Director | Dec 9, 2022 | Buy | +1,000 | $4.98 | $4.98K | 24,998 |
| Eugene Williams Director | Dec 7, 2022 | Buy | +1,000 | $5.49 | $5.49K | 156,930 |
| Gail M. Farfel Chief Executive Officer | Dec 6, 2022 | Buy | +1,000 | $5.70 | $5.70K | 1,000 |
| Eugene Williams Director | Dec 2, 2022 | Buy | +1,000 | $5.98 | $5.98K | 155,930 |
| Patrick D. Kirwin Director | Aug 17, 2022 | Buy | +4,000 | $5.92 | $23.68K | 41,983 |
| Eugene Williams Chairman and CEO, Director | Jul 11, 2022 | Buy | +1,000 | $9.80 | $9.80K | 154,930 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.