Milestone Pharmaceuticals Inc. - MIST

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
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