Jeff Yass’s Day One Biopharmaceuticals DAWN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
Sell
-473,543
Closed -$10.2M 13576
2026
Q1
$10.2M Sell
473,543
-264,117
-36% -$3.72M ﹤0.01% 3097
2025
Q4
$6.87M Buy
737,660
+708,806
+2,457% +$5.92M ﹤0.01% 3559
2025
Q3
$203K Sell
28,854
-71,648
-71% -$493K ﹤0.01% 10957
2025
Q2
$653K Sell
100,502
-8,066
-7% -$55.5K ﹤0.01% 8543
2025
Q1
$861K Buy
108,568
+44,314
+69% +$477K ﹤0.01% 7633
2024
Q4
$814K Sell
64,254
-407
-0.6% -$5.66K ﹤0.01% 7475
2024
Q3
$901K Sell
64,661
-26,437
-29% -$377K ﹤0.01% 7037
2024
Q2
$1.26M Buy
91,098
+16,944
+23% +$248K ﹤0.01% 6046
2024
Q1
$1.23M Buy
74,154
+26,776
+57% +$401K ﹤0.01% 6407
2023
Q4
$692K Sell
47,378
-7,358
-13% -$89.2K ﹤0.01% 7870
2023
Q3
$672K Sell
54,736
-25,334
-32% -$330K ﹤0.01% 7545
2023
Q2
$956K Sell
80,070
-21,208
-21% -$277K ﹤0.01% 6780
2023
Q1
$1.35M Buy
101,278
+80,710
+392% +$1.58M ﹤0.01% 6055
2022
Q4
$443K Sell
20,568
-28,800
-58% -$591K ﹤0.01% 8188
2022
Q3
$989K Buy
+49,368
New +$1.05M ﹤0.01% 6656
2022
Q2
Sell
-18,604
Closed -$192K 13052
2022
Q1
$185K Buy
+18,604
New +$246K ﹤0.01% 11324

Other funds holding DAWN

Jeff Yass's DAWN Position: Q2 2026 in Review

Jeff Yass sold out of Day One Biopharmaceuticals (DAWN) in Q2 2026, closing a stake of 473,543 shares — an estimated $10.2M sold.

Jeff Yass first reported a position in DAWN in Q1 2022 and held it in 16 quarters. The position peaked at $10.2M in Q1 2026. 1 fund tracked by Wall St. Rank holds DAWN as of Q2 2026.

  • Jeff Yass reported no remaining Day One Biopharmaceuticals position as of Q2 2026 after selling out during the quarter.
  • Jeff Yass sold 473,543 Day One Biopharmaceuticals shares in Q2 2026, an estimated $10.2M.
  • Jeff Yass first reported a position in Day One Biopharmaceuticals in Q1 2022 and held it in 16 quarters.
  • Jeff Yass's Day One Biopharmaceuticals position peaked at $10.2M in Q1 2026.
  • 1 fund tracked by Wall St. Rank held Day One Biopharmaceuticals as of Q2 2026.

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