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 Q4	–	Sell	-68,200	Closed	-$1M	–	11449
2025 Q3	$1M	Buy	68,200 +47,500	+229%	+$484K	﹤0.01%	6310
2025 Q2	$203K	Sell	20,700 -43,000	-68%	-$356K	﹤0.01%	8515
2025 Q1	$463K	Buy	63,700 +30,800	+94%	+$269K	﹤0.01%	7016
2024 Q4	$257K	Buy	+32,900	New	+$271K	﹤0.01%	7981
2024 Q3	–	Sell	-40,100	Closed	-$321K	–	9765
2024 Q2	$321K	Buy	+40,100	New	+$358K	﹤0.01%	7701
2024 Q1	–	Sell	-58,600	Closed	-$655K	–	9423
2023 Q4	$655K	Buy	58,600 +40,200	+218%	+$370K	﹤0.01%	6302
2023 Q3	$284K	Sell	18,400 -101,000	-85%	-$1.7M	﹤0.01%	7138
2023 Q2	$2.26M	Sell	119,400 -113,200	-49%	-$1.99M	﹤0.01%	3984
2023 Q1	$3.54M	Buy	+232,600	New	+$3.03M	﹤0.01%	2913

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.