Two Sigma Securities’s IO Biotech IOBT Stock Holding History

Two Sigma Securities’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 Q1	–	Sell	-44,757	Closed	-$27.3K	–	1904
2025 Q4	$27.3K	Buy	+44,757	New	+$33.3K	﹤0.01%	1142
2025 Q3	–	Sell	-10,385	Closed	-$14.4K	–	1699
2025 Q2	$14.4K	Buy	+10,385	New	+$11.9K	﹤0.01%	1265
2025 Q1	–	Sell	-12,384	Closed	-$11.4K	–	1811
2024 Q4	$11.4K	Buy	+12,384	New	+$12.3K	﹤0.01%	1421
2023 Q3	–	Sell	-13,020	Closed	-$25.5K	–	3192
2023 Q2	$25.5K	Buy	+13,020	New	+$25.5K	﹤0.01%	2477

Other funds holding IOBT

Ikarian Capital Dallas, Texas $928M AUM 596.14% 1-Year Est. Return

BFM

Boothbay Fund Management New York $7.6B AUM 109.3% 1-Year Est. Return

GCP

GSA Capital Partners London, United Kingdom $1.59B AUM 39.81% 1-Year Est. Return

Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

XTX Topco George Town, Cayman Islands $7.72B AUM 32.88% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Citigroup New York $303B AUM 53.02% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

BPA

Beacon Pointe Advisors Newport Beach, California $21.5B AUM 23.65% 1-Year Est. Return

Two Sigma Securities's IOBT Position: Q1 2026 in Review

Two Sigma Securities sold out of IO Biotech (IOBT) in Q1 2026, closing a stake of 44,757 shares — an estimated $27.3K sold.

Two Sigma Securities first reported a position in IOBT in Q2 2023 and held it in 4 quarters. The position peaked at $27.3K in Q4 2025. 12 funds tracked by Wall St. Rank hold IOBT as of Q1 2026.

Two Sigma Securities reported no remaining IO Biotech position as of Q1 2026 after selling out during the quarter.
Two Sigma Securities sold 44,757 IO Biotech shares in Q1 2026, an estimated $27.3K.
Two Sigma Securities first reported a position in IO Biotech in Q2 2023 and held it in 4 quarters.
Two Sigma Securities's IO Biotech position peaked at $27.3K in Q4 2025.
12 funds tracked by Wall St. Rank held IO Biotech as of Q1 2026.

Based on Two Sigma Securities's 13F filing for Q1 2026, filed 15 May 2026.