Jane Street’s 89bio ETNB Stock Holding History

Jane Street’s Portfolio ETNB Stock Details ETNB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-24,900	Closed	-$245K	–	10995
2025 Q2	$245K	Sell	24,900 -11,500	-32%	-$95.2K	﹤0.01%	8198
2025 Q1	$265K	Buy	+36,400	New	+$318K	﹤0.01%	8014
2024 Q1	–	Sell	-68,200	Closed	-$762K	–	9422
2023 Q4	$762K	Buy	68,200 +4,700	+7%	+$43.2K	﹤0.01%	6059
2023 Q3	$980K	Buy	63,500 +23,100	+57%	+$388K	﹤0.01%	5212
2023 Q2	$766K	Sell	40,400 -115,200	-74%	-$2.02M	﹤0.01%	5661
2023 Q1	$2.37M	Buy	+155,600	New	+$2.03M	﹤0.01%	3526

Other funds holding ETNB

DekaBank Deutsche Girozentrale Frankfurt, Germany $59.2B AUM 26.02% 1-Year Est. Return

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

Jane Street's ETNB Position: Q4 2025 in Review

Jane Street sold out of 89bio (ETNB) in Q4 2025, closing a stake of 428,720 shares — an estimated $6.3M sold.

Jane Street first reported a position in ETNB in Q3 2022 and held it in 11 quarters. The position peaked at $11.3M in Q2 2023. 2 funds tracked by Wall St. Rank hold ETNB as of Q4 2025.

Jane Street reported no remaining 89bio position as of Q4 2025 after selling out during the quarter.
Jane Street sold 428,720 89bio shares in Q4 2025, an estimated $6.3M.
Jane Street first reported a position in 89bio in Q3 2022 and held it in 11 quarters.
Jane Street's 89bio position peaked at $11.3M in Q2 2023.
2 funds tracked by Wall St. Rank held 89bio as of Q4 2025.

Based on Jane Street's 13F filing for Q4 2025, filed 12 Feb 2026.