bluebird bio Ownership

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

Recent Insider Transactions

MUN:BLE0 Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
03 Mar 25	Sell€3,439	Andrew Obenshain	Individual	921	€3.73
03 Mar 25	Sell€1,867	Thomas Klima	Individual	500	€3.73
03 Mar 25	Sell€2,181	Richard Colvin	Individual	584	€3.73
03 Feb 25	Sell€459	Richard Colvin	Individual	64	€7.17
03 Feb 25	Sell€616	Andrew Obenshain	Individual	86	€7.17
03 Feb 25	Sell€1,705	Joseph Vittiglio	Individual	238	€7.17
03 Feb 25	Sell€874	Thomas Klima	Individual	122	€7.17
06 Jan 25	Sell€1,245	Andrew Obenshain	Individual	140	€8.89
06 Jan 25	Sell€169	Richard Colvin	Individual	19	€8.89
10 Dec 24	Sell€386	Andrew Obenshain	Individual	48.55	€7.94
10 Dec 24	Sell€1,122	Richard Colvin	Individual	141.2	€7.94
30 Sep 24	Sell€474	Thomas Klima	Individual	50.3	€9.43
30 Sep 24	Sell€16,381	Andrew Obenshain	Individual	1,739	€9.42
03 Jun 24	Sell€3,423	Thomas Klima	Individual	191.7	€17.86

Insider Trading Volume

Insider Buying: BLE0 insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of BLE0?
Owner Type	Number of Shares	Ownership Percentage
Public Companies	21,000	0.216%
Individual Insiders	42,405	0.436%
Institutions	2,590,170	26.6%
General Public	7,068,642	72.7%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 27.27% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
7.29%	BlackRock, Inc.	708,669	€2.6m	-8.23%	no data
5.4%	The Vanguard Group, Inc.	525,414	€1.9m	0.33%	no data
2.4%	Geode Capital Management, LLC	233,514	€861.1k	-0.27%	no data
2.04%	State Street Global Advisors, Inc.	197,921	€729.9k	3.03%	no data
1.09%	UBS Asset Management AG	106,302	€392.0k	2,050%	no data
0.84%	National Bank Investments Inc.	81,704	€301.3k	2,040,000%	no data
0.84%	Northern Trust Global Investments	81,700	€301.3k	6.39%	no data
0.84%	Avidity Partners Management, L.P.	81,555	€300.7k	0%	0.03%
0.81%	Lion Point Capital, LP	78,912	€291.0k	0%	1.83%
0.78%	PFM Health Sciences, LP	75,758	€279.4k	0%	0.02%
0.5%	Masters Capital Management, L.L.C.	48,750	€179.8k	0%	0.03%
0.49%	FMR LLC	47,627	€175.6k	-61.6%	no data
0.41%	Jane Street Group, LLC, Asset Management Arm	40,288	€148.6k	211%	no data
0.39%	Summit X	37,644	€138.8k	32.6%	0.03%
0.38%	Morgan Stanley, Investment Banking and Brokerage Investments	37,033	€136.6k	-23.3%	no data
0.34%	Goldman Sachs Asset Management, L.P.	32,729	€120.7k	73.1%	no data
0.32%	Merrill Lynch & Co. Inc., Banking Investments	31,391	€115.8k	10.5%	no data
0.3%	Goldman Sachs Group, Investment Banking and Securities Investments	29,289	€108.0k	37.2%	no data
0.3%	BNY Asset Management	29,073	€107.2k	0.42%	no data
0.28%	Charles Schwab Investment Management, Inc.	27,652	€102.0k	0%	no data
0.28%	AQR Capital Management, LLC	26,802	€98.8k	-20.8%	no data
0.24%	JPMorgan Chase & Co, Brokerage and Securities Investments	23,374	€86.2k	1,870%	no data
0.24%	JP Morgan Asset Management	23,059	€85.0k	-10.4%	no data
0.23%	Nick Leschly	22,757	€83.9k	-0.42%	no data
0.23%	Bank of America Corporation, Asset Management Arm	22,157	€81.7k	-47.5%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/03/08 07:43
End of Day Share Price	2024/12/09 00:00
Earnings	2024/09/30
Annual Earnings	2023/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

bluebird bio, Inc. is covered by 30 analysts. 8 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Huidong Wang	Barclays
Zhiqiang Shu	Berenberg
Matthew Luchini	BMO Capital Markets Equity Research