bluebird bio Ownership

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

Recent Insider Transactions

MUN:BLE Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
04 Mar 24	Sell€6,432	Thomas Klima	Individual	4,573	€1.41
04 Mar 24	Sell€8,572	Andrew Obenshain	Individual	6,095	€1.41
01 Mar 24	Sell€9,553	Richard Colvin	Individual	6,770	€1.41
05 Feb 24	Sell€4,390	Joseph Vittiglio	Individual	5,217	€0.84
05 Feb 24	Sell€2,284	Thomas Klima	Individual	2,714	€0.84
05 Feb 24	Sell€1,581	Andrew Obenshain	Individual	1,879	€0.84
05 Jan 24	Sell€770	Richard Colvin	Individual	597	€1.29
05 Jan 24	Sell€4,122	Andrew Obenshain	Individual	3,162	€1.30
06 Dec 23	Sell€18,935	Christopher Krawtschuk	Individual	4,526	€4.18
03 Nov 23	Sell€2,379	Andrew Obenshain	Individual	807	€2.95
02 Nov 23	Sell€6,570	Richard Colvin	Individual	2,343	€2.80
05 Sep 23	Sell€3,260	Thomas Klima	Individual	922	€3.54
10 Aug 23	Sell€54,428	Andrew Obenshain	Individual	16,929	€3.22
02 Jun 23	Sell€13,471	Thomas Klima	Individual	4,130	€3.26

Insider Trading Volume

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

Ownership Breakdown

What is the ownership structure of BLE?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	44,867	0.0233%
Individual Insiders	857,984	0.445%
General Public	63,821,385	33.1%
Institutions	128,017,700	66.4%

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 49.95% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
7.88%	BlackRock, Inc.	15,178,562	€14.3m	69%	no data
5.45%	The Vanguard Group, Inc.	10,498,460	€9.9m	19.6%	no data
4.19%	Granahan Investment Management, LLC	8,077,697	€7.6m	57.2%	0.29%
3.59%	Alyeska Investment Group, L.P.	6,912,502	€6.5m	0%	0.05%
2.95%	Pictet Asset Management Limited	5,687,334	€5.4m	10.5%	no data
2.07%	Norges Bank Investment Management	3,995,600	€3.8m	10,600%	no data
1.78%	State Street Global Advisors, Inc.	3,428,135	€3.2m	-75.3%	no data
1.77%	Millennium Management LLC	3,413,612	€3.2m	960%	no data
1.73%	Palo Alto Investors LP	3,333,333	€3.1m	0%	0.39%
1.63%	Ghisallo Capital Management LLC	3,150,000	€3.0m	0%	0.32%
1.51%	Two Sigma Investments, LP	2,910,812	€2.7m	0%	0.01%
1.43%	Columbia Management Investment Advisers, LLC	2,755,700	€2.6m	19.7%	no data
1.37%	Renaissance Technologies LLC	2,638,700	€2.5m	456%	no data
1.3%	Bleichroeder LP	2,500,000	€2.4m	178%	0.62%
1.23%	FMR LLC	2,376,559	€2.2m	1,340%	no data
1.23%	Geode Capital Management, LLC	2,369,684	€2.2m	6.67%	no data
1.13%	Hudson Bay Capital Management LP	2,183,437	€2.1m	567%	0.02%
1.12%	Vestal Point Capital, LP	2,150,000	€2.0m	0%	0.25%
1.09%	Jackson National Asset Management, LLC	2,107,010	€2.0m	100%	0.04%
1.06%	PFM Health Sciences, LP	2,042,651	€1.9m	-66.2%	0.13%
1.04%	Farallon Capital Management, L.L.C.	2,000,000	€1.9m	0%	0.01%
0.89%	Frazier Life Sciences Management, LP	1,709,907	€1.6m	0%	0.08%
0.88%	Tang Capital Management, LLC	1,700,000	€1.6m	-60.3%	0.19%
0.85%	Dimensional Fund Advisors LP	1,647,546	€1.6m	-45%	no data
0.78%	JP Morgan Asset Management	1,509,354	€1.4m	-4.67%	no data