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
DateValueNameEntityRoleSharesMax Price
04 Mar 24BuyUS$20,722,500RA Capital Management, L.P.Company1,350,000US$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 TypeNumber of SharesOwnership Percentage
Private Companies370,5990.349%
Individual Insiders833,9500.785%
VC/PE Firms14,175,39813.3%
Hedge Funds22,978,87221.6%
Institutions67,886,30663.9%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 40.3%.


Top Shareholders

Top 25 shareholders own 85.61% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
13.4%
RA Capital Management, L.P.
14,175,398US$104.9m0%1.16%
12.5%
Janus Henderson Group plc
13,276,110US$98.2m5.34%0.04%
7.58%
Suvretta Capital Management, LLC
8,031,845US$59.4m27.5%2.16%
7.15%
BVF Partners L.P.
7,568,479US$56.0m87%1.38%
6.97%
RTW Investments, LP
7,378,548US$54.6m0%0.8%
6.62%
BlackRock, Inc.
7,015,575US$51.9m5.69%no data
4.54%
The Vanguard Group, Inc.
4,804,953US$35.6m1.74%no data
3.4%
Pictet Asset Management Limited
3,602,585US$26.7m-2.9%0.02%
3.06%
State Street Global Advisors, Inc.
3,244,503US$24.0m-41.5%no data
2.19%
Westfield Capital Management Company, L.P.
2,319,365US$17.2m7.17%0.08%
2.17%
Deep Track Capital, LP
2,294,011US$17.0m0%0.45%
2.06%
Laurion Capital Management LP
2,180,931US$16.1m-19.2%0.52%
1.99%
Citadel Advisors LLC
2,109,082US$15.6m34.4%0.02%
1.81%
Geode Capital Management, LLC
1,914,614US$14.2m9.98%no data
1.65%
Redmile Group, LLC
1,745,656US$12.9m-22.9%0.58%
1.14%
Longitude Capital Management Co., LLC
1,210,527US$9.0m0%1.58%
1.06%
BioImpact Capital LLC
1,121,736US$8.3m15.9%1.26%
0.95%
Millennium Management LLC
1,010,352US$7.5m-7.07%0.01%
0.94%
Frazier Life Sciences Management, LP
1,000,000US$7.4m0%0.3%
0.8%
Candriam
848,079US$6.3m174%0.02%
0.79%
Franklin Resources, Inc.
831,958US$6.2m0.55%no data
0.76%
Alyeska Investment Group, L.P.
800,000US$5.9m167%0.03%
0.7%
Orchard Capital Management, LLC
739,208US$5.5m-1.35%1.51%
0.68%
University of Wisconsin Foundation, Endowment Arm
724,132US$5.4m45.4%4.22%
0.68%
Northern Trust Global Investments
723,864US$5.4m1.31%no data