bluebird bio, Inc.

NasdaqGS:BLUE Stock Report

Market Cap: US$186.3m

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 Mar 24SellUS$6,986Thomas KlimaIndividual4,573US$1.53
04 Mar 24SellUS$9,311Andrew ObenshainIndividual6,095US$1.53
01 Mar 24SellUS$10,342Richard ColvinIndividual6,770US$1.53
05 Feb 24SellUS$4,708Joseph VittiglioIndividual5,217US$0.90
05 Feb 24SellUS$2,449Thomas KlimaIndividual2,714US$0.90
05 Feb 24SellUS$1,696Andrew ObenshainIndividual1,879US$0.90
05 Jan 24SellUS$845Richard ColvinIndividual597US$1.42
05 Jan 24SellUS$4,520Andrew ObenshainIndividual3,162US$1.43
06 Dec 23SellUS$20,437Christopher KrawtschukIndividual4,526US$4.52
03 Nov 23SellUS$2,555Andrew ObenshainIndividual807US$3.17
02 Nov 23SellUS$6,975Richard ColvinIndividual2,343US$2.98
05 Sep 23SellUS$3,493Thomas KlimaIndividual922US$3.79
10 Aug 23SellUS$59,956Andrew ObenshainIndividual16,929US$3.54
02 Jun 23SellUS$14,451Thomas KlimaIndividual4,130US$3.50

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
Private Companies1,3130.000681%
Individual Insiders857,9840.445%
General Public81,794,82042.4%
Institutions110,087,81957.1%

Dilution of Shares: Shareholders have been substantially diluted in the past year, with total shares outstanding growing by 81.1%.


Top Shareholders

Top 25 shareholders own 46.51% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
7.88%
BlackRock, Inc.
15,178,562US$14.7m69%no data
5.45%
The Vanguard Group, Inc.
10,498,460US$10.1m19.6%no data
4%
Granahan Investment Management, LLC
7,711,669US$7.5m-4.53%0.27%
3.32%
Columbia Management Investment Advisers, LLC
6,392,198US$6.2m132%no data
3.24%
Millennium Management LLC
6,239,541US$6.0m82.8%0.01%
2.37%
Palo Alto Investors LP
4,560,171US$4.4m36.8%0.57%
2.24%
Geode Capital Management, LLC
4,318,267US$4.2m82.2%no data
2.07%
Norges Bank Investment Management
3,995,600US$3.9m0%no data
1.78%
State Street Global Advisors, Inc.
3,428,135US$3.3m-75.3%no data
1.44%
Two Sigma Investments, LP
2,774,042US$2.7m-4.7%0.01%
1.3%
Tang Capital Management, LLC
2,500,000US$2.4m47.1%0.28%
1.23%
FMR LLC
2,380,023US$2.3m0.15%no data
1.14%
Renaissance Technologies LLC
2,187,700US$2.1m-17.1%no data
1.06%
PFM Health Sciences, LP
2,042,651US$2.0m0%0.11%
0.93%
Jackson National Asset Management, LLC
1,791,142US$1.7m-15%0.03%
0.89%
Frazier Life Sciences Management, LP
1,709,907US$1.7m0%0.08%
0.85%
Dimensional Fund Advisors LP
1,647,546US$1.6m-45%no data
0.84%
Northern Trust Global Investments
1,621,230US$1.6m62.1%no data
0.78%
JP Morgan Asset Management
1,509,354US$1.5m-4.67%no data
0.69%
Susquehanna International Group, LLP, Asset Management Arm
1,333,299US$1.3m-10.2%no data
0.65%
Alyeska Investment Group, L.P.
1,255,937US$1.2m-81.8%0.01%
0.62%
Morgan Stanley, Investment Banking and Brokerage Investments
1,194,508US$1.2m8.84%no data
0.61%
Hudson Bay Capital Management LP
1,180,115US$1.1m-46%0.01%
0.6%
Two Sigma Advisers, LP
1,160,800US$1.1m215%no data
0.54%
Bleichroeder LP
1,037,379US$1.0m-58.5%0.27%
Simply Wall Street Pty Ltd (ACN 600 056 611), is a Corporate Authorised Representative (Authorised Representative Number: 467183) of Sanlam Private Wealth Pty Ltd (AFSL No. 337927). Any advice contained in this website is general advice only and has been prepared without considering your objectives, financial situation or needs. You should not rely on any advice and/or information contained in this website and before making any investment decision we recommend that you consider whether it is appropriate for your situation and seek appropriate financial, taxation and legal advice. Please read our Financial Services Guide before deciding whether to obtain financial services from us.