Question 1

How many shares of ETNB does RA CAPITAL MANAGEMENT, L.P. own?

Accepted Answer

RA CAPITAL MANAGEMENT, L.P. previously held 0 shares of ETNB (89BIO INC) before exiting the position in 2025-Q4.

Question 2

What is RA CAPITAL MANAGEMENT, L.P.'s ETNB position worth?

Accepted Answer

RA CAPITAL MANAGEMENT, L.P.'s ETNB position was last reported at $0 in 2025-Q4 before the exit.

Question 3

Is RA CAPITAL MANAGEMENT, L.P. buying or selling ETNB?

Accepted Answer

In 2025-Q4, RA CAPITAL MANAGEMENT, L.P. exited their ETNB position entirely (-100.0% change in shares).

Question 4

When did RA CAPITAL MANAGEMENT, L.P. first buy ETNB?

Accepted Answer

Based on available 13F filings, RA CAPITAL MANAGEMENT, L.P. first reported a position in ETNB in 2024-Q3. They have held the position across 25 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2025-Q4 Latest	Exited	0	-100.0%	$0	0.0%	—	0
2025-Q3	Unchanged	19.9M	0.0%	$292.4M	3.6%	—	0
2025-Q2	Unchanged	19.9M	0.0%	$195.3M	3.3%	—	0
2025-Q1	Increased	19.9M	+40.3%	$144.6M	2.4%	—	69
2024-Q4	Unchanged	14.2M	0.0%	$110.9M	1.5%	—	0
2024-Q3	Unchanged	14.2M	0.0%	$104.9M	1.2%	—	0

ETNBShowing 6 of 25 quarters

ETNB
Showing 6 of 25 quarters