Jane Street’s IO Biotech IOBT Stock Holding History

Jane Street’s Portfolio IOBT Stock Details IOBT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-57,974	Closed	-$3.4K	–	12322
2026 Q1	$3.4K	Buy	+57,974	New	+$19.8K	﹤0.01%	11373
2025 Q3	–	Sell	-25,946	Closed	-$36.1K	–	11254
2025 Q2	$36.1K	Buy	25,946 +2,229	+9%	+$2.55K	﹤0.01%	9257
2025 Q1	$25.9K	Buy	+23,717	New	+$22.4K	﹤0.01%	9114
2022 Q2	–	Sell	-14,280	Closed	-$76K	–	10204
2022 Q1	$76K	Buy	+14,280	New	+$94.4K	﹤0.01%	9552

Jane Street's IOBT Position: Q2 2026 in Review

Jane Street sold out of IO Biotech (IOBT) in Q2 2026, closing a stake of 57,974 shares — an estimated $3.4K sold.

Jane Street first reported a position in IOBT in Q1 2022 and held it in 4 quarters. The position peaked at $76K in Q1 2022. 0 funds tracked by Wall St. Rank hold IOBT as of Q2 2026.

Jane Street reported no remaining IO Biotech position as of Q2 2026 after selling out during the quarter.
Jane Street sold 57,974 IO Biotech shares in Q2 2026, an estimated $3.4K.
Jane Street first reported a position in IO Biotech in Q1 2022 and held it in 4 quarters.
Jane Street's IO Biotech position peaked at $76K in Q1 2022.
0 funds tracked by Wall St. Rank held IO Biotech as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.