Jane Street’s iTeos Therapeutics ITOS Stock Holding History

Jane Street’s Portfolio ITOS Stock Details ITOS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-140,300	Closed	-$1.4M	–	11270
2025 Q2	$1.4M	Buy	+140,300	New	+$1.13M	﹤0.01%	5007
2025 Q1	–	Sell	-423,200	Closed	-$3.25M	–	10000
2024 Q4	$3.25M	Buy	+423,200	New	+$3.64M	﹤0.01%	3314
2024 Q1	–	Sell	-11,400	Closed	-$125K	–	9634
2023 Q4	$125K	Sell	11,400 -2,400	-17%	-$23.8K	﹤0.01%	8483
2023 Q3	$151K	Buy	+13,800	New	+$176K	﹤0.01%	7784

Other funds holding ITOS

IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

Jane Street's ITOS Position: Q3 2025 in Review

Jane Street sold out of iTeos Therapeutics (ITOS) in Q3 2025, closing a stake of 22,999 shares — an estimated $229K sold.

Jane Street first reported a position in ITOS in Q1 2021 and held it in 14 quarters. The position peaked at $2.37M in Q2 2024. 1 fund tracked by Wall St. Rank holds ITOS as of Q3 2025.

Jane Street reported no remaining iTeos Therapeutics position as of Q3 2025 after selling out during the quarter.
Jane Street sold 22,999 iTeos Therapeutics shares in Q3 2025, an estimated $229K.
Jane Street first reported a position in iTeos Therapeutics in Q1 2021 and held it in 14 quarters.
Jane Street's iTeos Therapeutics position peaked at $2.37M in Q2 2024.
1 fund tracked by Wall St. Rank held iTeos Therapeutics as of Q3 2025.

Based on Jane Street's 13F filing for Q3 2025, filed 14 Nov 2025.