Milestone Pharmaceuticals Inc. - MIST
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RTW INVESTMENTS, LP | History | Added to | 6,331,001 | 7,533 | 0.07% | 0.05% | 1 | +3,824,899 | 152.62% | Q1 2026 | May 15, 2026 |
| Propel Bio Management, LLC | History | No change | 4,118,321 | 5,081 | 3.2% | 7.1% | 2 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Added to | 2,317,176 | 2,757 | 0.0% | 0.0% | 3 | +802,715 | 53.0% | Q1 2026 | May 15, 2026 |
| GOLDMAN SACHS GROUP INC | History | New | 2,000,025 | 2,380 | 0.0% | — | 4 | +2,000,025 | New | Q1 2026 | May 15, 2026 |
| MARSHALL WACE, LLP | History | Added to | 1,944,530 | 2,313 | 0.0% | 0.0% | 5 | +287,709 | 17.37% | Q1 2026 | May 14, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Added to | 1,544,325 | 1,837 | 0.0% | 0.0% | 6 | +1,141,690 | 283.55% | Q1 2026 | May 15, 2026 |
| Simplify Asset Management Inc. | History | No change | 1,506,405 | 1,792 | 0.03% | 0.05% | 7 | 0 | 0.0% | Q1 2026 | Apr 27, 2026 |
| Point72 Asset Management, L.P. | History | Added to | 1,085,683 | 1,291 | 0.0% | 0.0% | 8 | +603,328 | 125.08% | Q1 2026 | May 15, 2026 |
| TWO SIGMA ADVISERS, LP | History | No change | 619,592 | 1,251 | 0.0% | 0.0% | 9 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | History | New | 851,325 | 1,013 | 0.0% | — | 10 | +851,325 | New | Q1 2026 | May 15, 2026 |
| Lion Point Capital, LP | History | Added to | 820,000 | 975 | 5.83% | 7.89% | 11 | +65,000 | 8.61% | Q1 2026 | May 15, 2026 |
| TORONTO DOMINION BANK | History | No change | 750,000 | 892 | 0.0% | 0.0% | 12 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| MORGAN STANLEY | History | Reduced | 724,141 | 861 | 0.0% | 0.0% | 13 | -57,734 | -7.38% | Q1 2026 | May 15, 2026 |
| Boxer Capital Management, LLC | History | No change | 666,666 | 793 | 0.1% | 0.29% | 14 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Reduced | 629,146 | 748 | 0.0% | 0.0% | 15 | -620,254 | -49.64% | Q1 2026 | May 15, 2026 |
| UBS Group AG | History | Added to | 494,908 | 588 | 0.0% | 0.0% | 16 | +3,040 | 0.62% | Q1 2026 | May 05, 2026 |
| GROUP ONE TRADING LLC | History | Reduced | 388,364 | 462 | 0.0% | 0.0% | 17 | -181,235 | -31.82% | Q1 2026 | May 13, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 346,696 | 412 | 0.0% | 0.0% | 18 | -290,536 | -45.59% | Q1 2026 | May 15, 2026 |
| Squarepoint Ops LLC | History | Added to | 336,825 | 400 | 0.0% | 0.0% | 19 | +87,481 | 35.08% | Q1 2026 | May 15, 2026 |
| Seven Fleet Capital Management LP | History | New | 333,333 | 396 | 0.12% | — | 20 | +333,333 | New | Q1 2026 | Jun 04, 2026 |
| Aptus Capital Advisors, LLC | History | Added to | 280,250 | 333 | 0.0% | 0.0% | 21 | +17,050 | 6.48% | Q1 2026 | May 11, 2026 |
| GUARDIAN WEALTH ADVISORS, LLC / NC | History | Added to | 280,250 | 333 | 0.02% | 0.03% | 22 | +17,050 | 6.48% | Q1 2026 | May 15, 2026 |
| SIMPLEX TRADING, LLC | History | New | 228,991 | 272 | 0.0% | — | 23 | +228,991 | New | Q1 2026 | May 14, 2026 |
| JANE STREET GROUP, LLC | History | Reduced | 201,169 | 239 | 0.0% | 0.0% | 24 | -1,015,961 | -83.47% | Q1 2026 | May 12, 2026 |
| LPL Financial LLC | History | Added to | 193,373 | 230 | 0.0% | 0.0% | 25 | +50,910 | 35.74% | Q1 2026 | May 06, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 176,504 | 210 | 0.0% | 0.0% | 26 | -45,447 | -20.48% | Q1 2026 | May 12, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | New | 168,675 | 200 | 0.0% | — | 27 | +168,675 | New | Q1 2026 | May 15, 2026 |
| Quadrature Capital Ltd | History | New | 149,105 | 177 | 0.0% | — | 28 | +149,105 | New | Q1 2026 | May 15, 2026 |
| Valeo Financial Advisors, LLC | History | No change | 130,699 | 155 | 0.0% | 0.01% | 29 | 0 | 0.0% | Q1 2026 | May 08, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | New | 129,705 | 154 | 0.0% | — | 30 | +129,705 | New | Q1 2026 | May 14, 2026 |
| XTX Topco Ltd | History | Reduced | 120,602 | 143 | 0.0% | 0.01% | 31 | -51,358 | -29.87% | Q1 2026 | May 15, 2026 |
| ADAR1 Capital Management, LLC | History | Reduced | 100,000 | 119 | 0.01% | 0.01% | 33 | -100 | -0.1% | Q1 2026 | May 15, 2026 |
| TRU INDEPENDENCE ASSET MANAGEMENT 2, LLC | History | No change | 100,000 | 119 | 0.07% | 0.13% | 32 | 0 | 0.0% | Q1 2026 | Apr 22, 2026 |
| HRT FINANCIAL LP | History | New | 62,256 | 74 | 0.0% | — | 34 | +62,256 | New | Q1 2026 | May 14, 2026 |
| Cambridge Investment Research Advisors, Inc. | History | Added to | 59,620 | 71 | 0.0% | 0.0% | 35 | +12,480 | 26.47% | Q1 2026 | Apr 30, 2026 |
| October Effect Ltd | History | Reduced | 51,950 | 61 | 0.07% | 0.12% | 36 | -150 | -0.29% | Q1 2026 | Apr 21, 2026 |
| SG Americas Securities, LLC | History | Reduced | 42,512 | 51 | 0.0% | 0.0% | 37 | -54,863 | -56.34% | Q1 2026 | Apr 16, 2026 |
| Invesco Ltd. | History | Added to | 41,356 | 49 | 0.0% | 0.0% | 38 | +19,463 | 88.9% | Q1 2026 | May 12, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Reduced | 40,789 | 48 | 0.0% | 0.0% | 39 | -33,233 | -44.9% | Q1 2026 | May 15, 2026 |
| NORTHERN TRUST CORP | History | Reduced | 38,779 | 46 | 0.0% | 0.0% | 40 | -479 | -1.22% | Q1 2026 | May 14, 2026 |
| Focus Partners Wealth | History | No change | 36,000 | 42 | 0.0% | 0.0% | 41 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Mariner, LLC | History | Added to | 30,830 | 36 | 0.0% | 0.0% | 42 | +5,830 | 23.32% | Q1 2026 | May 13, 2026 |
| Bay Rivers Group | History | Added to | 29,911 | 35 | 0.01% | 0.02% | 43 | +1,050 | 3.64% | Q1 2026 | Apr 13, 2026 |
| Federation des caisses Desjardins du Quebec | History | No change | 29,781 | 35 | 0.0% | 0.0% | 44 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Reduced | 26,893 | 32 | 0.0% | 0.04% | 45 | -209,245 | -88.61% | Q1 2026 | May 08, 2026 |
| RAYMOND JAMES FINANCIAL INC | History | No change | 26,600 | 31 | 0.0% | 0.0% | 46 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| WELCH & FORBES LLC | History | New | 25,000 | 29 | 0.0% | — | 48 | +25,000 | New | Q1 2026 | May 01, 2026 |
| Safeguard Investment Advisory Group, LLC | History | No change | 25,044 | 29 | 0.01% | 0.01% | 47 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| NATIONAL BANK OF CANADA /FI/ | History | Added to | 23,500 | 27 | 0.0% | 0.0% | 49 | +4,800 | 25.67% | Q1 2026 | May 14, 2026 |
| STATE STREET CORP | History | Added to | 22,331 | 26 | 0.0% | 0.0% | 50 | +456 | 2.08% | Q1 2026 | May 15, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Reduced | 20,468 | 24 | 0.0% | 0.0% | 51 | -155,732 | -88.38% | Q1 2026 | May 13, 2026 |
| JOURNEY STRATEGIC WEALTH LLC | History | Reduced | 20,000 | 23 | 0.0% | 0.0% | 52 | -10,000 | -33.33% | Q1 2026 | Apr 15, 2026 |
| Stephenson & Company, Inc. | History | No change | 20,000 | 23 | 0.01% | 0.02% | 53 | 0 | 0.0% | Q1 2026 | May 12, 2026 |
| Pathstone Holdings, LLC | History | Reduced | 17,040 | 20 | 0.0% | 0.01% | 54 | -1,000,000 | -98.32% | Q1 2026 | May 11, 2026 |
| AE Wealth Management LLC | History | New | 15,000 | 17 | 0.0% | — | 58 | +15,000 | New | Q1 2026 | May 13, 2026 |
| Vision Retirement, LLC | History | New | 15,000 | 17 | 0.0% | — | 60 | +15,000 | New | Q1 2026 | May 07, 2026 |
| Exit Wealth Advisors, LLC. | History | New | 15,000 | 17 | 0.01% | — | 61 | +15,000 | New | Q1 2026 | May 11, 2026 |
| EARNED WEALTH ADVISORS, LLC | History | New | 14,756 | 17 | 0.0% | — | 59 | +14,756 | New | Q1 2026 | May 07, 2026 |
| Cetera Investment Advisers | History | Reduced | 14,704 | 17 | 0.0% | 0.0% | 55 | -6,018 | -29.04% | Q1 2026 | May 13, 2026 |
| Taylor Financial Group, Inc. | History | Added to | 15,000 | 17 | 0.01% | 0.01% | 57 | +5,000 | 50.0% | Q1 2026 | May 13, 2026 |
| SJS Investment Consulting Inc. | History | No change | 15,000 | 17 | 0.0% | 0.0% | 56 | 0 | 0.0% | Q1 2026 | Apr 23, 2026 |
| Strategic Family Wealth Counselors, L.L.C. | History | Added to | 13,875 | 16 | 0.0% | 0.01% | 64 | +1,200 | 9.47% | Q1 2026 | May 11, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | No change | 16,000 | 16 | 0.0% | 0.0% | 62 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Beta Wealth Group, Inc. | History | No change | 14,127 | 16 | 0.01% | 0.01% | 63 | 0 | 0.0% | Q1 2026 | May 07, 2026 |
| Creative Planning | History | Reduced | 13,410 | 15 | 0.0% | 0.0% | 65 | -10,000 | -42.72% | Q1 2026 | May 12, 2026 |
| Rockefeller Capital Management L.P. | History | Added to | 12,500 | 14 | 0.0% | 0.0% | 66 | +10,800 | 635.29% | Q1 2026 | May 14, 2026 |
| IMC-Chicago, LLC | History | New | 10,943 | 13 | 0.0% | — | 67 | +10,943 | New | Q1 2026 | May 05, 2026 |
| Wealthspire Advisors, LLC | History | New | 10,629 | 12 | 0.0% | — | 70 | +10,629 | New | Q1 2026 | May 01, 2026 |
| Eaton Financial Holdings Company, LLC | History | Reduced | 10,250 | 12 | 0.0% | 0.01% | 69 | -2,500 | -19.61% | Q1 2026 | Apr 15, 2026 |
| Bronte Capital Management Pty Ltd. | History | No change | 10,414 | 12 | 0.0% | 0.0% | 68 | 0 | 0.0% | Q1 2026 | Apr 27, 2026 |
| HighTower Advisors, LLC | History | New | 10,000 | 11 | 0.0% | — | 75 | +10,000 | New | Q1 2026 | May 05, 2026 |
| CWM, LLC | History | New | 10,000 | 11 | 0.0% | — | 76 | +10,000 | New | Q1 2026 | May 14, 2026 |
| Bayesian Capital Management, LP | History | Reduced | 10,015 | 11 | 0.01% | 0.08% | 72 | -7,200 | -41.82% | Q1 2026 | May 15, 2026 |
| Ancora Advisors LLC | History | No change | 10,000 | 11 | 0.0% | 0.0% | 71 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Secure Asset Management, LLC | History | No change | 10,000 | 11 | 0.0% | 0.0% | 73 | 0 | 0.0% | Q1 2026 | Apr 09, 2026 |
| INTEGRAL INVESTMENT ADVISORS, INC. | History | No change | 10,000 | 11 | 0.0% | 0.0% | 74 | 0 | 0.0% | Q1 2026 | Apr 28, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 9,147 | 10 | 0.0% | 0.0% | 77 | +167 | 1.86% | Q1 2026 | May 15, 2026 |
| ROYAL BANK OF CANADA | History | No change | 6,698 | 8 | 0.0% | 0.0% | 78 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| US BANCORP \DE\ | History | No change | 3,200 | 3 | 0.0% | 0.0% | 79 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Caitong International Asset Management Co., Ltd | History | New | 1,729 | 2 | 0.0% | — | 80 | +1,729 | New | Q1 2026 | May 11, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | New | 1,000 | 1 | 0.0% | — | 81 | +1,000 | New | Q1 2026 | May 08, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | History | Closed out | 0 | 0 | — | 0.01% | — | -2,810,037 | -100.0% | Q1 2026 | May 15, 2026 |
| Stonepine Capital Management, LLC | History | Closed out | 0 | 0 | — | 0.98% | — | -662,666 | -100.0% | Q1 2026 | May 14, 2026 |
| NOMURA HOLDINGS INC | History | Closed out | 0 | 0 | — | 0.0% | — | -225,000 | -100.0% | Q1 2026 | May 15, 2026 |
| Graham Capital Management, L.P. | History | Closed out | 0 | 0 | — | 0.01% | — | -133,620 | -100.0% | Q1 2026 | May 15, 2026 |
| Cascades Capital Asset Management, LLC | History | Closed out | 0 | 0 | — | 0.07% | — | -77,510 | -100.0% | Q1 2026 | May 15, 2026 |
| Engineers Gate Manager LP | History | Closed out | 0 | 0 | — | 0.0% | — | -59,053 | -100.0% | Q1 2026 | May 15, 2026 |
| Qube Research & Technologies Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -34,596 | -100.0% | Q1 2026 | May 15, 2026 |
| CITIGROUP INC | History | Closed out | 0 | 0 | — | 0.0% | — | -33,858 | -100.0% | Q1 2026 | May 11, 2026 |
| Scientech Research LLC | History | Closed out | 0 | 0 | — | 0.04% | — | -30,124 | -100.0% | Q1 2026 | May 15, 2026 |
| Quantbot Technologies LP | History | Closed out | 0 | 0 | — | 0.0% | — | -18,990 | -100.0% | Q1 2026 | May 13, 2026 |
| AQR CAPITAL MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,000 | -100.0% | Q1 2026 | May 15, 2026 |
| Arax Advisory Partners | History | Closed out | 0 | 0 | — | 0.0% | — | -1,591 | -100.0% | Q1 2026 | May 13, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Closed out | 0 | 0 | — | 0.0% | — | -841 | -100.0% | Q1 2026 | May 15, 2026 |
| Russell Investments Group, Ltd. | History | New | 125 | 0 | — | — | — | +125 | New | Q1 2026 | May 08, 2026 |
| SBI Securities Co., Ltd. | History | Added to | 11 | 0 | — | — | — | +5 | 83.33% | Q1 2026 | Apr 27, 2026 |
| Rialto Wealth Management, LLC | History | No change | 300 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Key Capital Management, INC | History | No change | 212 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 07, 2026 |
| Medallion Wealth Advisors, LLC | History | No change | 340 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 24, 2026 |