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Milestone Pharmaceuticals Inc.

MIST
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001408443

No open-market purchases or sales by Milestone Pharmaceuticals Inc. insiders were filed in the last 90 days; 78 institutions reported holding it in 13F filings for Q2 2026, worth $66.4M in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in Milestone Pharmaceuticals Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
87
+7 vs. Q4 2025
Shares held
39.5M
+4.53M (+13.0%) vs. Q4 2025
Total value
$47.2M
−$23.5M (−33.2%) vs. Q4 2025
New holders
21
23 more added
Sold out
14
19 more reduced

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MIST on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 87 institutions
Q1 2021: 34 institutionsQ2 2021: 28 institutionsQ3 2021: 27 institutionsQ4 2021: 28 institutionsQ1 2022: 28 institutionsQ2 2022: 29 institutionsQ3 2022: 47 institutionsQ4 2022: 56 institutionsQ1 2023: 50 institutionsQ2 2023: 48 institutionsQ3 2023: 39 institutionsQ4 2023: 40 institutionsQ1 2024: 43 institutionsQ2 2024: 40 institutionsQ3 2024: 43 institutionsQ4 2024: 47 institutionsQ1 2025: 43 institutionsQ2 2025: 43 institutionsQ3 2025: 61 institutionsQ4 2025: 80 institutionsQ1 2026: 87 institutionsQ2 2026: 78 institutions
Value heldQ1 2026: $47.2M
Q1 2021: $117.4MQ2 2021: $110.8MQ3 2021: $113.9MQ4 2021: $132.6MQ1 2022: $135.1MQ2 2022: $127.2MQ3 2022: $198.7MQ4 2022: $96.9MQ1 2023: $85.5MQ2 2023: $59.0MQ3 2023: $60.7MQ4 2023: $29.7MQ1 2024: $56.4MQ2 2024: $39.9MQ3 2024: $43.6MQ4 2024: $57.9MQ1 2025: $9.46MQ2 2025: $22.9MQ3 2025: $68.3MQ4 2025: $70.7MQ1 2026: $47.2MQ2 2026: $66.4M
Institutions holding MIST and their total value by quarter
QuarterHoldersValue
Q2 202678$66.4M
Q1 202687$47.2M
Q4 202580$70.7M
Q3 202561$68.3M
Q2 202543$22.9M
Q1 202543$9.46M
Q4 202447$57.9M
Q3 202443$43.6M
Q2 202440$39.9M
Q1 202443$56.4M
Q4 202340$29.7M
Q3 202339$60.7M
Q2 202348$59.0M
Q1 202350$85.5M
Q4 202256$96.9M
Q3 202247$198.7M
Q2 202229$127.2M
Q1 202228$135.1M
Q4 202128$132.6M
Q3 202127$113.9M
Q2 202128$110.8M
Q1 202134$117.4M

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Milestone Pharmaceuticals Inc.; share changes are against Q4 2025.

Institutions holding MIST in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Pavaki Capital Management LLC9,062,848$10.8M7.58%+563,933+6.6%Added
RTW Investments, LP6,331,001$7.53M0.07%+3,824,899+152.6%Added
Propel Bio Management, LLC4,118,321$5.08M3.20%00.0%Unchanged
Two Sigma Investments, LP2,317,176$2.76M0.00%+802,715+53.0%Added
Goldman Sachs Group Inc2,000,025$2.38M0.00%+2,000,025New
Marshall Wace, LLP1,944,530$2.31M0.00%+287,709+17.4%Added
Millennium Management LLC1,544,325$1.84M0.00%+1,141,690+283.6%Added
Simplify Asset Management Inc.1,506,405$1.79M0.03%00.0%Unchanged
Point72 Asset Management, L.P.1,085,683$1.29M0.00%+603,328+125.1%Added
Balyasny Asset Management LLC851,325$1.01M0.00%+851,325New
Lion Point Capital, LP820,000$975.8K5.83%+65,000+8.6%Added
Toronto Dominion Bank750,000$892.5K0.00%00.0%Unchanged
Morgan Stanley724,141$861.7K0.00%−57,734−7.4%Reduced
Boxer Capital Management, LLC666,666$793.3K0.10%00.0%Unchanged
Ameriprise Financial Inc666,666$793.3K0.00%+666,666New
Susquehanna International Group, LLP519,046$617.7K0.00%−124,254−19.3%Reduced
UBS Group AG494,908$588.9K0.00%+3,040+0.6%Added
Squarepoint Ops LLC336,825$400.8K0.00%+87,481+35.1%Added
Seven Fleet Capital Management LP333,333$396.7K0.12%+333,333New
Aptus Capital Advisors, LLC280,250$333.5K0.00%+17,050+6.5%Added
Guardian Wealth Advisors, LLC280,250$333.5K0.02%+17,050+6.5%Added
Citadel Advisors LLC196,696$234.1K0.00%−156,536−44.3%Reduced
LPL Financial LLC193,373$230.1K0.00%+50,910+35.7%Added
BNP Paribas Arbitrage, SA176,504$210.0K0.00%−45,447−20.5%Reduced
Boothbay Fund Management, LLC168,675$200.7K0.00%+168,675New
Jane Street Group, LLC159,669$190.0K0.00%−933,561−85.4%Reduced
Simplex Trading, LLC149,291$177.7K0.01%+149,291New
Quadrature Capital Ltd149,105$177.4K0.00%+149,105New
Valeo Financial Advisors, LLC130,699$155.5K0.00%00.0%Unchanged
Group One Trading, L.P.129,764$154.4K0.01%−65,335−33.5%Reduced
Renaissance Technologies LLC129,705$154.3K0.00%+129,705New
XTX Topco Ltd120,602$143.5K0.00%−51,358−29.9%Reduced
ADAR1 Capital Management, LLC100,000$119.0K0.01%−100−0.1%Reduced
Tru Independence Asset Management 2, LLC100,000$119.0K0.07%00.0%Unchanged
HRT Financial LP62,256$74.0K0.00%+62,256New
Cambridge Investment Research Advisors, Inc.59,620$71.0K0.00%+12,480+26.5%Added
October Effect Ltd51,950$61.8K0.07%−150−0.3%Reduced
SG Americas Securities, LLC42,512$51.0K0.00%−54,863−56.3%Reduced
Invesco Ltd.41,356$49.2K0.00%+19,463+88.9%Added
Geode Capital Management, LLC40,789$48.5K0.00%−33,233−44.9%Reduced
Northern Trust Corp38,779$46.1K0.00%−479−1.2%Reduced
Colony Group, LLC36,000$42.8K0.00%00.0%Unchanged
Mariner, LLC30,830$36.7K0.00%+5,830+23.3%Added
Bay Rivers Group29,911$35.6K0.01%+1,050+3.6%Added
Federation des caisses Desjardins du Quebec29,781$35.4K0.00%00.0%Unchanged
Gsa Capital Partners LLP26,893$32.0K0.00%−209,245−88.6%Reduced
Raymond James Financial Inc26,600$31.7K0.00%00.0%Unchanged
Safeguard Investment Advisory Group, LLC25,044$29.8K0.01%00.0%Unchanged
Welch & Forbes LLC25,000$29.8K0.00%+25,000New
National Bank of Canada23,500$28.0K0.00%+4,800+25.7%Added
State Street Corp22,331$26.6K0.00%+456+2.1%Added
Acadian Asset Management LLC20,468$24.0K0.00%−155,732−88.4%Reduced
Journey Strategic Wealth LLC20,000$23.8K0.00%00.0%Unchanged
Stephenson & Company, Inc.20,000$23.8K0.01%00.0%Unchanged
Pathstone Holdings, LLC17,040$20.3K0.00%−1,000,000−98.3%Reduced
SJS Investment Consulting Inc.15,000$17.9K0.00%00.0%Unchanged
Taylor Financial Group, Inc.15,000$17.9K0.01%+5,000+50.0%Added
AE Wealth Management LLC15,000$17.9K0.00%+15,000New
Vision Retirement, LLC15,000$17.9K0.01%+15,000New
Exit Wealth Advisors, LLC.15,000$17.9K0.01%+15,000New
Capital Performance Advisors LLP14,756$17.6K0.00%+14,756New
Cetera Investment Advisers14,704$17.5K0.00%−6,018−29.0%Reduced
Beta Wealth Group, Inc.14,127$16.8K0.01%00.0%Unchanged
Jones Financial Companies LLLP16,000$16.6K0.00%00.0%Unchanged
Strategic Family Wealth Counselors, L.L.C.13,875$16.5K0.00%+1,200+9.5%Added
Creative Planning13,410$16.0K0.00%−10,000−42.7%Reduced
Rockefeller Capital Management L.P.12,500$14.9K0.00%+10,800+635.3%Added
IMC-Chicago, LLC10,943$13.0K0.00%+10,943New
Wealthspire Advisors, LLC10,629$12.6K0.00%+10,629New
Bronte Capital Management Pty Ltd.10,414$12.4K0.00%00.0%Unchanged
Eaton Financial Holdings Company, LLC10,250$12.2K0.00%−2,500−19.6%Reduced
Bayesian Capital Management, LP10,015$11.9K0.01%−7,200−41.8%Reduced
Ancora Advisors, LLC10,000$11.9K0.00%00.0%Unchanged
Secure Asset Management, LLC10,000$11.9K0.00%00.0%Unchanged
Integral Investment Advisors, Inc.10,000$11.9K0.00%00.0%Unchanged
HighTower Advisors, LLC10,000$11.9K0.00%+10,000New
CWM, LLC10,000$11.9K0.00%+10,000New
Tower Research Capital LLC (TRC)9,147$10.9K0.00%+167+1.9%Added
Royal Bank of Canada6,698$8.00K0.00%00.0%Unchanged
US Bancorp3,200$3.81K0.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd1,729$2.06K0.00%+1,729New
The PNC Financial Services Group, Inc.1,000$1.19K0.00%+1,000New
Medallion Wealth Advisors, LLC340$4050.00%00.0%Unchanged
Rialto Wealth Management, LLC300$3570.00%00.0%Unchanged
Key Capital Management, INC212$2520.00%00.0%Unchanged
Russell Investments Group, Ltd.125$1490.00%+125New
SBI Securities Co., Ltd.11$130.00%+5+83.3%Added
Adage Capital Partners GP, L.L.C.0$00.00%−2,810,037−100.0%Sold out
Stonepine Capital Management, LLC0$00.00%−662,666−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−619,592−100.0%Sold out
Nomura Holdings Inc0$00.00%−225,000−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−133,620−100.0%Sold out
Cascades Capital Asset Management, LLC0$00.00%−77,510−100.0%Sold out
Engineers Gate Manager LP0$00.00%−59,053−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−34,596−100.0%Sold out
Citigroup Inc0$00.00%−33,858−100.0%Sold out
Scientech Research LLC0$00.00%−30,124−100.0%Sold out
Quantbot Technologies LP0$00.00%−18,990−100.0%Sold out
AQR Capital Management LLC0$00.00%−10,000−100.0%Sold out
SRS Capital Advisors, Inc.0$00.00%−1,591−100.0%Sold out