JY
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Jeff Yass’s Milestone Pharmaceuticals MIST Stock Holding History

Jeff Yass’s Portfolio MIST Stock Details MIST Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$482K Sell
359,895
-159,151
-31% -$254K ﹤0.01% 10002
2026
Q1 		$618K Sell
519,046
-124,254
-19% -$218K ﹤0.01% 9111
2025
Q4 		$1.3M Buy
643,300
+386,528
+151% +$833K ﹤0.01% 6586
2025
Q3 		$514K Buy
256,772
+193,403
+305% +$340K ﹤0.01% 8886
2025
Q2 		$123K Buy
63,369
+1,309
+2% +$1.75K ﹤0.01% 11661
2025
Q1 		$49.7K Buy
62,060
+28,968
+88% +$57.6K ﹤0.01% 11865
2024
Q4 		$78.1K Buy
+33,092
New +$56.8K ﹤0.01% 11481
2024
Q1 		– Sell
-13,299
Closed -$22.2K – 12882
2023
Q4 		$22.2K Buy
+13,299
New +$36.1K ﹤0.01% 11953
2023
Q3 		– Sell
-23,261
Closed -$66.3K – 12586
2023
Q2 		$66.3K Buy
23,261
+10,875
+88% +$41K ﹤0.01% 11209
2023
Q1 		$48.8K Buy
+12,386
New +$45.3K ﹤0.01% 11706
2022
Q4 		– Sell
-46,308
Closed -$244K – 13183
2022
Q3 		$426K Buy
46,308
+28,075
+154% +$213K ﹤0.01% 8895
2022
Q2 		$108K Buy
+18,233
New +$112K ﹤0.01% 11404
2021
Q1 		– Sell
-10,144
Closed -$74.2K – 12601
2020
Q4 		$68K Buy
+10,144
New +$67.9K ﹤0.01% 10661

Other funds holding MIST

PCM
Pavaki Capital Management Pueblo, Colorado $287M AUM
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
PBM
Propel Bio Management Los Angeles, California $191M AUM 102.42% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return
SAM
Simplify Asset Management Las Vegas, Nevada $7.19B AUM 6.88% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
KCM
Kalehua Capital Management Dallas, Texas $174M AUM
LPC
Lion Point Capital New York $20.9M AUM 195.52% 1-Year Est. Return

Jeff Yass's MIST Position: Q2 2026 in Review

Jeff Yass reduced its Milestone Pharmaceuticals (MIST) stake by 31% in Q2 2026, selling an estimated $254K and leaving 359,895 shares worth $482K. The position accounts for ﹤0.01% of the portfolio, ranked #10002.

Jeff Yass first reported a position in MIST in Q4 2020 and has held it in 13 quarters since. The position peaked at $1.3M in Q4 2025. 78 funds tracked by Wall St. Rank hold MIST as of Q2 2026.

  • Jeff Yass held 359,895 shares of Milestone Pharmaceuticals worth $482K as of Q2 2026.
  • Jeff Yass sold 159,151 Milestone Pharmaceuticals shares in Q2 2026, an estimated $254K.
  • Milestone Pharmaceuticals made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #10002 holding.
  • Jeff Yass first reported a position in Milestone Pharmaceuticals in Q4 2020 and has held it in 13 quarters since.
  • Jeff Yass's Milestone Pharmaceuticals position peaked at $1.3M in Q4 2025.
  • 78 funds tracked by Wall St. Rank held Milestone Pharmaceuticals as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.