bluebird bio Ownership

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


Recent Insider Transactions

NasdaqGS:BLUE Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
04 Nov 22SellUS$8,101Andrew ObenshainIndividual1,263US$6.41
04 Nov 22SellUS$1,398Richard ColvinIndividual218US$6.41
19 Aug 22SellUS$78,473Jason ColeIndividual14,194US$5.53
04 Aug 22SellUS$32,707Jason ColeIndividual7,448US$4.39
04 Aug 22SellUS$95,754Andrew ObenshainIndividual21,805US$4.39
12 Jul 22SellUS$6,722Anne-Virginie EggimannIndividual1,358US$4.95
03 Jun 22SellUS$11,535Thomas KlimaIndividual3,753US$3.07
11 Jan 22SellUS$73,623Andrew ObenshainIndividual7,725US$9.64
11 Jan 22SellUS$71,143Nick LeschlyIndividual7,437US$9.64
11 Jan 22SellUS$47,553Jason ColeIndividual4,971US$9.64
11 Jan 22SellUS$3,913Jessica WhittenIndividual409US$9.64
05 Jan 22SellUS$31,143Jessica WhittenIndividual2,984US$10.44
07 Dec 21SellUS$8,469Andrew ObenshainIndividual832US$10.18

Insider Trading Volume

Insider Buying: BLUE insiders have only sold shares in the past 3 months.


Ownership Breakdown

What is the ownership structure of BLUE?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders715,0680.9%
Hedge Funds6,335,5287.6%
General Public15,477,81818.7%
Institutions60,381,56672.8%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 18.3%.


Top Shareholders

Top 25 shareholders own 65.38% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
15.34%
State Street Global Advisors, Inc.
12,720,480$96.5m596.97%no data
8.32%
BlackRock, Inc.
6,898,975$52.4m18.67%no data
7.64%
Tang Capital Management, LLC
6,335,528$48.1m7.19%6.43%
4.47%
The Vanguard Group, Inc.
3,709,607$28.2m5.78%no data
3.01%
Baker Bros. Advisors LP
2,499,715$19.0m0%0.11%
1.99%
Millennium Management LLC
1,647,330$12.5m-33.81%0.01%
1.84%
Credit Suisse Asset Management (Switzerland)
1,529,006$11.6m-0.16%0.01%
1.82%
Dimensional Fund Advisors LP
1,512,283$11.5m241.93%no data
1.81%
Invesco Capital Management LLC
1,497,899$11.4m797.39%0.01%
1.74%
Frazier Life Sciences Management, LP
1,440,757$10.9m0%0.77%
1.73%
Geode Capital Management, LLC
1,433,524$10.9m13.99%no data
1.62%
Marshall Wace LLP
1,340,806$10.2m131.26%0.03%
1.49%
Goldman Sachs Group, Investment Banking and Securities Investments
1,238,742$9.4m-15.44%0.01%
1.37%
Woodline Partners LP
1,138,558$8.6m0%0.12%
1.35%
Teachers Insurance and Annuity Association-College Retirement Equities Fund
1,120,044$8.5m244.58%no data
1.33%
J.P. Morgan Asset Management, Inc.
1,102,542$8.4m-32.49%no data
1.17%
Rafferty Asset Management, LLC
970,584$7.4m270.08%0.07%
1.13%
Citadel Advisors LLC
939,947$7.1m-5.66%0.01%
1.06%
Citigroup Inc.,Banking and Securities Investments
878,408$6.7m7149.98%0.01%
0.99%
Pictet Asset Management Limited
817,078$6.2m14.62%0.01%
0.91%
Renaissance Technologies LLC
757,110$5.7m-73.06%0.01%
0.9%
Susquehanna International Group, LLP, Asset Management Arm
745,947$5.7m16.34%0.01%
0.82%
Northern Trust Global Investments
680,719$5.2m7.5%no data
0.77%
Jane Street Group, LLC, Asset Management Arm
637,796$4.8m117.36%0.01%
0.74%
Federated Hermes, Inc.
612,375$4.6m-47.09%0.01%