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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.

Q3 2025 vs. Q2 2025

How the institutions holding Milestone Pharmaceuticals Inc. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of MIST: Q2 2025 compared with Q3 2025
MeasureQ2 2025Of which not filed for Q3 2025Q3 2025Change
Holders43161+19
Shares11.8M10034.1M+22.3M (+188.9%)
Value$22.9M$80$68.3M+$45.4M (+197.8%)

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (26)

Institutions that held Milestone Pharmaceuticals Inc. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to MIST in Q3 2025
InstitutionSharesValue% of portfolio
Adage Capital Partners GP, L.L.C.6,976,000$14.0M0.02%
OrbiMed Advisors LLC3,221,828$6.44M0.15%
Pathstone Holdings, LLC1,000,000$2.00M0.01%
Sphera Funds Management Ltd.820,000$1.64M0.39%
Affinity Asset Advisors, LLC666,666$1.33M0.12%
Boxer Capital Management, LLC666,666$1.33M0.42%
Two Sigma Investments, LP666,551$1.33M0.00%
Citadel Advisors LLC512,067$1.02M0.00%
Marshall Wace, LLP425,028$850.1K0.00%
Millennium Management LLC401,559$803.1K0.00%
Two Sigma Advisers, LP234,041$468.1K0.00%
AMH Equity Ltd231,671$463.3K0.58%
Quadrature Capital Ltd223,470$448.1K0.01%
Aptus Capital Advisors, LLC210,200$420.4K0.00%
Guardian Wealth Advisors, LLC210,200$420.4K0.03%
HRT Financial LP138,812$277.0K0.00%
Gsa Capital Partners LLP78,747$157.0K0.01%
Simplex Trading, LLC66,920$133.0K0.00%
Stephenson & Company, Inc.20,000$40.0K0.02%
Cambridge Investment Research Advisors, Inc.12,698$25.0K0.00%
Sapient Capital LLC12,200$24.8K0.00%
Secure Asset Management, LLC10,000$20.5K0.00%
AQR Capital Management LLC10,000$20.0K0.00%
Citigroup Inc7,812$15.6K0.00%
Wealthspire Advisors, LLC1,129$2.26K0.00%
SRS Capital Advisors, Inc.1,077$2.15K0.00%

Sold out (7)

Institutions that held Milestone Pharmaceuticals Inc. at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of MIST in Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Alta Fundamental Advisers LLC1,398,977$2.71M
BML Capital Management, LLC1,136,091$2.20M
Bleichroeder LP500,000$970.0K
Scientech Research LLC19,064$37.0K
Walleye Capital LLC15,109$29.3K
Mercer Global Advisors Inc15,100$29.3K
Virtu Financial LLC14,761$29.0K

Not filed for Q3 2025 yet (1)

Institutions that held Milestone Pharmaceuticals Inc. at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MIST in Q2 2025 that haven't filed for Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Oliver Lagore Vanvalin Investment Group100$80