Jeff Yass’s Summit Therapeutics SMMT Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$7.6M Sell
521,339
-82,594
-14% -$1.46M ﹤0.01% 3847
2026
Q1
$11.5M Buy
+603,933
New +$9.77M ﹤0.01% 2909
2025
Q4
Sell
-246,562
Closed -$4.64M 13521
2025
Q3
$5.09M Sell
246,562
-53,411
-18% -$1.3M ﹤0.01% 4070
2025
Q2
$6.38M Buy
299,973
+46,474
+18% +$1.06M ﹤0.01% 3537
2025
Q1
$4.89M Buy
253,499
+176,275
+228% +$3.54M ﹤0.01% 3697
2024
Q4
$1.38M Sell
77,224
-289,171
-79% -$5.61M ﹤0.01% 6158
2024
Q3
$8.02M Buy
366,395
+112,594
+44% +$1.57M ﹤0.01% 2921
2024
Q2
$1.98M Buy
253,801
+92,463
+57% +$499K ﹤0.01% 5118
2024
Q1
$668K Sell
161,338
-69,012
-30% -$274K ﹤0.01% 7805
2023
Q4
$601K Buy
230,350
+103,979
+82% +$214K ﹤0.01% 8210
2023
Q3
$236K Sell
126,371
-252,971
-67% -$482K ﹤0.01% 9857
2023
Q2
$952K Sell
379,342
-1,309,223
-78% -$2.39M ﹤0.01% 6788
2023
Q1
$2.95M Buy
1,688,565
+1,408,141
+502% +$3.84M ﹤0.01% 4358
2022
Q4
$1.19M Buy
280,424
+198,717
+243% +$361K ﹤0.01% 5801
2022
Q3
$97K Buy
81,707
+58,070
+246% +$65.7K ﹤0.01% 11734
2022
Q2
$24K Buy
+23,637
New +$33.1K ﹤0.01% 12315
2022
Q1
Sell
-14,461
Closed -$39K 13896
2021
Q4
$39K Buy
14,461
+1,641
+13% +$7.89K ﹤0.01% 12667
2021
Q3
$64K Buy
+12,820
New +$92K ﹤0.01% 12263
2021
Q2
Sell
-133,808
Closed -$878K 13208
2021
Q1
$785K Buy
133,808
+105,922
+380% +$683K ﹤0.01% 8355
2020
Q4
$131K Buy
+27,886
New +$118K ﹤0.01% 10344
2019
Q4
Sell
-26,491
Closed -$47K 10558
2019
Q3
$47K Buy
+26,491
New +$35.8K ﹤0.01% 9794
2019
Q1
Sell
-10,569
Closed -$12K 9761
2018
Q4
$12K Buy
+10,569
New +$16.4K ﹤0.01% 8733
2017
Q4
Sell
-146,000
Closed -$1.83M 9854
2017
Q3
$1.83M Buy
+146,000
New +$1.89M ﹤0.01% 4081

Other funds holding SMMT

Jeff Yass's SMMT Position: Q2 2026 in Review

Jeff Yass reduced its Summit Therapeutics (SMMT) stake by 14% in Q2 2026, selling an estimated $1.46M and leaving 521,339 shares worth $7.6M. The position accounts for ﹤0.01% of the portfolio, ranked #3847.

Jeff Yass first reported a position in SMMT in Q3 2017 and has held it in 23 quarters since. The position peaked at $11.5M in Q1 2026. 242 funds tracked by Wall St. Rank hold SMMT as of Q2 2026.

  • Jeff Yass held 521,339 shares of Summit Therapeutics worth $7.6M as of Q2 2026.
  • Jeff Yass sold 82,594 Summit Therapeutics shares in Q2 2026, an estimated $1.46M.
  • Summit Therapeutics made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #3847 holding.
  • Jeff Yass first reported a position in Summit Therapeutics in Q3 2017 and has held it in 23 quarters since.
  • Jeff Yass's Summit Therapeutics position peaked at $11.5M in Q1 2026.
  • 242 funds tracked by Wall St. Rank held Summit Therapeutics as of Q2 2026.

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