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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, Q3 2025

Institutional positions in Milestone Pharmaceuticals Inc. as of Sep 30, 2025. 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
61
+19 vs. Q2 2025
Shares held
34.1M
+22.3M (+188.9%) vs. Q2 2025
Total value
$68.3M
+$45.4M (+197.8%) vs. Q2 2025
New holders
26
18 more added
Sold out
7
4 more reduced

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 61 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 heldQ3 2025: $68.3M
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, Q3 2025

Shares, value and share of portfolio for each institution holding Milestone Pharmaceuticals Inc.; share changes are against Q2 2025.

Institutions holding MIST in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
SBI Securities Co., Ltd.6$120.00%00.0%Unchanged
SRS Capital Advisors, Inc.1,077$2.15K0.00%+1,077New
Wealthspire Advisors, LLC1,129$2.26K0.00%+1,129New
US Bancorp3,200$6.40K0.00%00.0%Unchanged
Group One Trading, L.P.7,022$14.0K0.00%−24,594−77.8%Reduced
Citigroup Inc7,812$15.6K0.00%+7,812New
Journey Strategic Wealth LLC10,000$20.0K0.00%−5,000−33.3%Reduced
Ancora Advisors, LLC10,000$20.0K0.00%00.0%Unchanged
Taylor Financial Group, Inc.10,000$20.0K0.01%00.0%Unchanged
AQR Capital Management LLC10,000$20.0K0.00%+10,000New
Secure Asset Management, LLC10,000$20.5K0.00%+10,000New
Jones Financial Companies LLLP11,000$22.0K0.00%00.0%Unchanged
Sapient Capital LLC12,200$24.8K0.00%+12,200New
Cambridge Investment Research Advisors, Inc.12,698$25.0K0.00%+12,698New
Beta Wealth Group, Inc.14,127$28.3K0.01%00.0%Unchanged
Bank of America Corp16,052$32.1K0.00%+16,044+200,550.0%Added
Bay Rivers Group16,691$33.4K0.01%+2,370+16.5%Added
National Bank of Canada18,700$37.4K0.00%00.0%Unchanged
Stephenson & Company, Inc.20,000$40.0K0.02%+20,000New
State Street Corp22,220$44.4K0.00%+3,974+21.8%Added
Creative Planning23,410$46.8K0.00%00.0%Unchanged
Mariner, LLC25,000$50.0K0.00%+14,000+127.3%Added
Safeguard Investment Advisory Group, LLC25,044$50.1K0.01%00.0%Unchanged
Raymond James Financial Inc26,600$53.2K0.00%−16,635−38.5%Reduced
Federation des caisses Desjardins du Quebec29,781$59.6K0.00%+16,781+129.1%Added
Colony Group, LLC36,000$72.0K0.00%00.0%Unchanged
Northern Trust Corp39,258$78.5K0.00%−13,743−25.9%Reduced
Simplex Trading, LLC66,920$133.0K0.00%+66,920New
Geode Capital Management, LLC74,022$148.0K0.00%+56,064+312.2%Added
Cascades Capital Asset Management, LLC77,335$154.7K0.07%+10,200+15.2%Added
Gsa Capital Partners LLP78,747$157.0K0.01%+78,747New
LPL Financial LLC95,300$190.6K0.00%+84,250+762.4%Added
Valeo Financial Advisors, LLC130,699$261.4K0.01%00.0%Unchanged
HRT Financial LP138,812$277.0K0.00%+138,812New
Royal Bank of Canada143,400$287.0K0.00%+107,800+302.8%Added
XTX Topco Ltd187,301$374.6K0.02%+26,338+16.4%Added
Aptus Capital Advisors, LLC210,200$420.4K0.00%+210,200New
Guardian Wealth Advisors, LLC210,200$420.4K0.03%+210,200New
Quadrature Capital Ltd223,470$448.1K0.01%+223,470New
AMH Equity Ltd231,671$463.3K0.58%+231,671New
Two Sigma Advisers, LP234,041$468.1K0.00%+234,041New
Susquehanna International Group, LLP256,772$513.5K0.00%+193,403+305.2%Added
Goldman Sachs Group Inc356,567$713.1K0.00%+237,118+198.5%Added
UBS Group AG397,534$795.1K0.00%+74,886+23.2%Added
Millennium Management LLC401,559$803.1K0.00%+401,559New
Jane Street Group, LLC408,492$817.0K0.00%+376,559+1,179.2%Added
Marshall Wace, LLP425,028$850.1K0.00%+425,028New
Citadel Advisors LLC512,067$1.02M0.00%+512,067New
Lion Point Capital, LP658,553$1.32M7.48%+109,747+20.0%Added
Two Sigma Investments, LP666,551$1.33M0.00%+666,551New
Affinity Asset Advisors, LLC666,666$1.33M0.12%+666,666New
Boxer Capital Management, LLC666,666$1.33M0.42%+666,666New
Toronto Dominion Bank750,000$1.50M0.00%00.0%Unchanged
Sphera Funds Management Ltd.820,000$1.64M0.39%+820,000New
Pathstone Holdings, LLC1,000,000$2.00M0.01%+1,000,000New
RTW Investments, LP2,506,102$5.01M0.06%00.0%Unchanged
Simplify Asset Management Inc.2,832,974$5.67M0.11%+1,842,974+186.2%Added
Morgan Stanley2,969,067$5.94M0.00%+2,148,646+261.9%Added
OrbiMed Advisors LLC3,221,828$6.44M0.15%+3,221,828New
Propel Bio Management, LLC5,124,890$10.2M10.26%+3,333,333+186.1%Added
Adage Capital Partners GP, L.L.C.6,976,000$14.0M0.02%+6,976,000New
Alta Fundamental Advisers LLC0$00.00%−1,398,977−100.0%Sold out
BML Capital Management, LLC0$00.00%−1,136,091−100.0%Sold out
Bleichroeder LP0$00.00%−500,000−100.0%Sold out
Scientech Research LLC0$00.00%−19,064−100.0%Sold out
Walleye Capital LLC0$00.00%−15,109−100.0%Sold out
Mercer Global Advisors Inc0$00.00%−15,100−100.0%Sold out
Virtu Financial LLC0$00.00%−14,761−100.0%Sold out
Oliver Lagore Vanvalin Investment Group––––Not filed