Newtyn Management’s 89bio ETNB Stock Holding History

Newtyn 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	-800,000	Closed	-$11.8M	–	36
2025 Q3	$11.8M	Buy	800,000 +600,000	+300%	+$6.12M	1.44%	20
2025 Q2	$1.96M	Hold	200,000	–	–	0.3%	33
2025 Q1	$1.45M	Sell	200,000 -40,000	-17%	-$350K	0.23%	29
2024 Q4	$1.88M	Hold	240,000	–	–	0.33%	30
2024 Q3	$1.78M	Hold	240,000	–	–	0.27%	34
2024 Q2	$1.92M	Sell	240,000 -10,000	-4%	-$89.3K	0.36%	30
2024 Q1	$2.91M	Sell	250,000 -22,500	-8%	-$249K	0.58%	27
2023 Q4	$3.04M	Buy	272,500 +72,000	+36%	+$662K	0.6%	29
2023 Q3	$3.1M	Buy	200,500 +500	+0.3%	+$8.39K	0.76%	26
2023 Q2	$3.79M	Hold	200,000	–	–	0.9%	26
2023 Q1	$3.05M	Sell	200,000 -110,000	-35%	-$1.43M	0.6%	40
2022 Q4	$3.95M	Hold	310,000	–	–	0.81%	33
2022 Q3	$1.79M	Hold	310,000	–	–	0.39%	41
2022 Q2	$998K	Buy	+310,000	New	+$936K	0.19%	61

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

Newtyn Management's ETNB Position: Q4 2025 in Review

Newtyn Management sold out of 89bio (ETNB) in Q4 2025, closing a stake of 800,000 shares — an estimated $11.8M sold.

Newtyn Management first reported a position in ETNB in Q2 2022 and held it in 14 quarters. The position peaked at $11.8M in Q3 2025. 2 funds tracked by Wall St. Rank hold ETNB as of Q4 2025.

Newtyn Management reported no remaining 89bio position as of Q4 2025 after selling out during the quarter.
Newtyn Management sold 800,000 89bio shares in Q4 2025, an estimated $11.8M.
Newtyn Management first reported a position in 89bio in Q2 2022 and held it in 14 quarters.
Newtyn Management's 89bio position peaked at $11.8M in Q3 2025.
2 funds tracked by Wall St. Rank held 89bio as of Q4 2025.

Based on Newtyn Management's 13F filing for Q4 2025, filed 17 Feb 2026.