Hudson Bay Capital Management’s 89bio ETNB Stock Holding History

Hudson Bay Capital Management’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	-2,172,000	Closed	-$31.9M	–	1295
2025 Q3	$31.9M	Buy	2,172,000 +1,946,300	+862%	+$19.8M	0.11%	163
2025 Q2	$2.22M	Sell	225,700 -24,500	-10%	-$203K	0.01%	764
2025 Q1	$1.82M	Buy	+250,200	New	+$2.19M	0.01%	838
2023 Q2	–	Sell	-171,835	Closed	-$2.62M	–	895
2023 Q1	$2.62M	Buy	+171,835	New	+$2.24M	0.02%	471
2022 Q3	–	Sell	-77,126	Closed	-$248K	–	1267
2022 Q2	$248K	Buy	+77,126	New	+$233K	﹤0.01%	1001
2021 Q1	–	Sell	-50,000	Closed	-$1.22M	–	880
2020 Q4	$1.22M	Sell	50,000 -2,500	-5%	-$63.9K	0.01%	437
2020 Q3	$1.35M	Buy	+52,500	New	+$1.67M	0.02%	397

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

Hudson Bay Capital Management's ETNB Position: Q4 2025 in Review

Hudson Bay Capital Management sold out of 89bio (ETNB) in Q4 2025, closing a stake of 2,172,000 shares — an estimated $31.9M sold.

Hudson Bay Capital Management first reported a position in ETNB in Q3 2020 and held it in 7 quarters. The position peaked at $31.9M in Q3 2025. 2 funds tracked by Wall St. Rank hold ETNB as of Q4 2025.

Hudson Bay Capital Management reported no remaining 89bio position as of Q4 2025 after selling out during the quarter.
Hudson Bay Capital Management sold 2,172,000 89bio shares in Q4 2025, an estimated $31.9M.
Hudson Bay Capital Management first reported a position in 89bio in Q3 2020 and held it in 7 quarters.
Hudson Bay Capital Management's 89bio position peaked at $31.9M in Q3 2025.
2 funds tracked by Wall St. Rank held 89bio as of Q4 2025.

Based on Hudson Bay Capital Management's 13F filing for Q4 2025, filed 13 Feb 2026.