JY
MIST icon

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 		$30.3K Sell
22,600
-87,500
-79% -$140K ﹤0.01% 12957
2026
Q1 		$131K Sell
110,100
-422,800
-79% -$740K ﹤0.01% 12140
2025
Q4 		$1.08M Buy
532,900
+325,900
+157% +$702K ﹤0.01% 7018
2025
Q3 		$414K Buy
207,000
+187,200
+945% +$329K ﹤0.01% 9401
2025
Q2 		$38.4K Sell
19,800
-12,300
-38% -$16.4K ﹤0.01% 12185
2025
Q1 		$25.7K Buy
32,100
+15,100
+89% +$30K ﹤0.01% 12053
2024
Q4 		$40.1K Buy
+17,000
New +$29.2K ﹤0.01% 11761
2022
Q4 		– Sell
-239,000
Closed -$2.2M – 13184
2022
Q3 		$2.2M Buy
239,000
+229,000
+2,290% +$1.74M ﹤0.01% 4722
2022
Q2 		$59K Buy
+10,000
New +$61.4K ﹤0.01% 11874
2021
Q2 		– Sell
-13,100
Closed -$76K – 12990
2021
Q1 		$76K Buy
+13,100
New +$95.9K ﹤0.01% 11949

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.