John Overdeck’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
-41,500
Closed -$890K 5127
2026
Q1
$890K Buy
+41,500
New +$585K ﹤0.01% 3349
2025
Q2
Sell
-69,895
Closed -$554K 3239
2025
Q1
$554K Sell
69,895
-201,881
-74% -$2.17M ﹤0.01% 2481
2024
Q4
$3.44M Sell
271,776
-135,725
-33% -$1.89M 0.01% 1344
2024
Q3
$5.68M Buy
407,501
+108,295
+36% +$1.55M 0.01% 1023
2024
Q2
$4.12M Buy
299,206
+278,794
+1,366% +$4.08M 0.01% 1094
2024
Q1
$337K Buy
+20,412
New +$305K ﹤0.01% 2507
2023
Q2
Sell
-153,569
Closed -$2.05M 3062
2023
Q1
$2.05M Buy
+153,569
New +$3M 0.01% 1362
2022
Q2
Sell
-60,190
Closed -$597K 2601
2022
Q1
$597K Buy
+60,190
New +$795K ﹤0.01% 1935

Other funds holding DAWN

John Overdeck's DAWN Position: Q2 2026 in Review

John Overdeck sold out of Day One Biopharmaceuticals (DAWN) in Q2 2026, closing a stake of 41,500 shares — an estimated $890K sold.

John Overdeck first reported a position in DAWN in Q1 2022 and held it in 8 quarters. The position peaked at $5.68M in Q3 2024. 1 fund tracked by Wall St. Rank holds DAWN as of Q2 2026.

  • John Overdeck reported no remaining Day One Biopharmaceuticals position as of Q2 2026 after selling out during the quarter.
  • John Overdeck sold 41,500 Day One Biopharmaceuticals shares in Q2 2026, an estimated $890K.
  • John Overdeck first reported a position in Day One Biopharmaceuticals in Q1 2022 and held it in 8 quarters.
  • John Overdeck's Day One Biopharmaceuticals position peaked at $5.68M in Q3 2024.
  • 1 fund tracked by Wall St. Rank held Day One Biopharmaceuticals as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.