89bio Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGM:ETNB Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
04 Mar 24	BuyUS$20,722,500	RA Capital Management, L.P.	Company		1,350,000	US$15.35

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of ETNB?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	370,599	0.315%
Individual Insiders	799,242	0.68%
General Public	10,049,726	8.55%
VC/PE Firms	14,175,398	12.1%
Hedge Funds	22,181,823	18.9%
Institutions	70,005,432	59.5%

Dilution of Shares: Shareholders have been substantially diluted in the past year, with total shares outstanding growing by 55.5%.

Top Shareholders

Top 25 shareholders own 77.86% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
12.9%	Janus Henderson Group plc	15,158,218	US$127.0m	14.2%	0.05%
12.1%	RA Capital Management, L.P.	14,175,398	US$118.8m	0%	1.38%
6.8%	Suvretta Capital Management, LLC	7,991,644	US$67.0m	-0.5%	2.28%
6.42%	BlackRock, Inc.	7,549,302	US$63.3m	7.61%	no data
6.28%	RTW Investments, LP	7,378,548	US$61.8m	0%	0.83%
5.79%	BVF Partners L.P.	6,811,631	US$57.1m	-10%	1.63%
4.26%	The Vanguard Group, Inc.	5,006,277	US$42.0m	4.19%	no data
2.77%	State Street Global Advisors, Inc.	3,251,687	US$27.2m	0.22%	no data
2.76%	Pictet Asset Management Limited	3,246,608	US$27.2m	-9.88%	0.02%
2.56%	Westfield Capital Management Company, L.P.	3,006,038	US$25.2m	29.6%	0.1%
2.35%	Deep Track Capital, LP	2,766,512	US$23.2m	20.6%	0.69%
2.17%	Citadel Advisors LLC	2,556,727	US$21.4m	21.2%	0.02%
1.76%	Geode Capital Management, LLC	2,074,970	US$17.4m	8.38%	no data
1.34%	Redmile Group, LLC	1,569,850	US$13.2m	-10.1%	0.69%
0.85%	Frazier Life Sciences Management, LP	1,000,000	US$8.4m	0%	0.32%
0.74%	Adage Capital Management, L.P.	875,000	US$7.3m	119%	0.01%
0.74%	ExodusPoint Capital Management, LP	871,404	US$7.3m	89.8%	0.07%
0.72%	Candriam	848,079	US$7.1m	0%	0.02%
0.69%	Laurion Capital Management LP	810,533	US$6.8m	-62.8%	0.41%
0.69%	Alyeska Investment Group, L.P.	808,564	US$6.8m	1.07%	0.03%
0.68%	Northern Trust Global Investments	794,712	US$6.7m	9.79%	no data
0.67%	Medical Strategy GmbH, Asset Management Arm	788,846	US$6.6m	0%	0.38%
0.65%	Erste Asset Management GmbH	763,000	US$6.4m	641%	0.05%
0.62%	University of Wisconsin Foundation, Endowment Arm	724,132	US$6.1m	0%	3.27%
0.61%	Charles Schwab Investment Management, Inc.	721,050	US$6.0m	8.08%	no data