Question 1

How many shares of ETNB does Pentwater Capital Management LP own?

Accepted Answer

Pentwater Capital Management LP previously held 0 shares of ETNB (89BIO INC) before exiting the position in 2025-Q4.

Question 2

What is Pentwater Capital Management LP's ETNB position worth?

Accepted Answer

Pentwater Capital Management LP's ETNB position was last reported at $0 in 2025-Q4 before the exit.

Question 3

Is Pentwater Capital Management LP buying or selling ETNB?

Accepted Answer

In 2025-Q4, Pentwater Capital Management LP exited their ETNB position entirely (-100.0% change in shares).

Question 4

When did Pentwater Capital Management LP first buy ETNB?

Accepted Answer

Based on available 13F filings, Pentwater Capital Management LP first reported a position in ETNB in 2020-Q3. They have held the position across 15 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2025-Q4 Latest	Exited	0	-100.0%	$0	0.0%	—	0
2025-Q3	New	11.8M	-	$172.7M	1.0%	—	59
2023-Q4	Exited	0	-100.0%	$0	0.0%	—	0
2023-Q3	Increased	30,000	+33.3%	$463,200	0.0%	—	31
2023-Q2	Decreased	22,500	-67.9%	$426,375	0.0%	—	0
2023-Q1	New	70,000	-	$1.1M	0.0%	—	35
2022-Q3	Exited	0	-100.0%	$0	0.0%	—	0
2022-Q2	Increased	220,000	+1366.7%	$708,000	0.0%	—	40
2022-Q1	Decreased	15,000	-85.0%	$57,000	0.0%	—	0
2021-Q4	Increased	100,000	+4.2%	$1.3M	0.0%	—	26
2021-Q3	Unchanged	96,000	0.0%	$1.9M	0.0%	—	0
2021-Q2	Increased	96,000	+1.1%	$1.8M	0.0%	—	26
2021-Q1	Increased	95,000	+2.1%	$2.3M	0.0%	—	27
2020-Q4	Unchanged	93,000	0.0%	$2.3M	0.0%	—	0
2020-Q3	New	93,000	-	$2.4M	0.0%	—	36

ETNB15 quarters

ETNB
15 quarters