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
Date	Value	Name	Entity	Shares	Max Price
30 Sep 24	SellUS$529	Thomas Klima	Individual	1,006	US$0.53
30 Sep 24	SellUS$18,270	Andrew Obenshain	Individual	34,780	US$0.53
03 Jun 24	SellUS$3,726	Thomas Klima	Individual	3,834	US$0.97
04 Mar 24	SellUS$6,986	Thomas Klima	Individual	4,573	US$1.53
04 Mar 24	SellUS$9,311	Andrew Obenshain	Individual	6,095	US$1.53
01 Mar 24	SellUS$10,342	Richard Colvin	Individual	6,770	US$1.53
05 Feb 24	SellUS$4,708	Joseph Vittiglio	Individual	5,217	US$0.90
05 Feb 24	SellUS$2,449	Thomas Klima	Individual	2,714	US$0.90
05 Feb 24	SellUS$1,696	Andrew Obenshain	Individual	1,879	US$0.90
05 Jan 24	SellUS$845	Richard Colvin	Individual	597	US$1.42
05 Jan 24	SellUS$4,520	Andrew Obenshain	Individual	3,162	US$1.43
06 Dec 23	SellUS$20,437	Christopher Krawtschuk	Individual	4,526	US$4.52

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 Type	Number of Shares	Ownership Percentage
Individual Insiders	899,516	0.464%
Institutions	64,302,822	33.2%
General Public	128,711,247	66.4%

Dilution of Shares: Shareholders have been substantially diluted in the past year, with total shares outstanding growing by 77.8%.

Top Shareholders

Top 25 shareholders own 28.59% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
7.96%	BlackRock, Inc.	15,443,767	US$5.0m	0.01%	no data
5.4%	The Vanguard Group, Inc.	10,474,007	US$3.4m	1.68%	no data
2.42%	Geode Capital Management, LLC	4,683,042	US$1.5m	3.69%	no data
1.98%	State Street Global Advisors, Inc.	3,841,923	US$1.2m	1.14%	no data
1.28%	FMR LLC	2,481,962	US$798.4k	8.71%	no data
0.84%	Avidity Partners Management, L.P.	1,631,143	US$524.7k	0%	0.03%
0.83%	Millennium Management LLC	1,608,793	US$517.5k	-68.7%	no data
0.81%	Lion Point Capital, LP	1,578,256	US$507.7k	133%	2.45%
0.79%	Northern Trust Global Investments	1,535,856	US$494.1k	-4.92%	no data
0.67%	ExodusPoint Capital Management, LP	1,296,668	US$417.1k	0%	no data
0.57%	Jane Street Group, LLC, Asset Management Arm	1,097,978	US$353.2k	0%	no data
0.55%	Renaissance Technologies LLC	1,058,172	US$340.4k	33.7%	no data
0.5%	Masters Capital Management, L.L.C.	975,000	US$313.6k	0%	0.07%
0.5%	Morgan Stanley, Investment Banking and Brokerage Investments	965,681	US$310.6k	88.9%	no data
0.44%	Bank of America Corporation, Asset Management Arm	843,757	US$271.4k	3.65%	no data
0.37%	Two Sigma Advisers, LP	713,100	US$229.4k	-15.7%	no data
0.35%	AQR Capital Management, LLC	676,863	US$217.7k	-49.2%	no data
0.31%	Palo Alto Investors LP	604,260	US$194.4k	-87%	0.03%
0.31%	Dimensional Fund Advisors LP	603,874	US$194.3k	-19.3%	no data
0.3%	BNY Asset Management	579,028	US$186.3k	-15.6%	no data
0.29%	Merrill Lynch & Co. Inc., Banking Investments	567,986	US$182.7k	21.8%	no data
0.29%	Summit X	567,831	US$182.7k	-2.51%	0.05%
0.29%	Charles Schwab Investment Management, Inc.	553,060	US$177.9k	-0.2%	no data
0.28%	Susquehanna International Group, LLP, Asset Management Arm	541,620	US$174.2k	-40%	no data
0.27%	JP Morgan Asset Management	514,928	US$165.6k	-3.37%	no data