Blueprint Medicines Ownership

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

Recent Insider Transactions

DB:2L9 Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
13 Mar 24	Sell€518,146	Philina Lee	Individual	6,276	€82.74
07 Mar 24	Sell€121,319	Ariel Hurley	Individual	1,462	€82.98
07 Mar 24	Sell€209,196	Christopher Murray	Individual	2,521	€82.98
07 Mar 24	Sell€243,467	Philina Lee	Individual	2,934	€82.98
07 Mar 24	Sell€256,993	Becker Hewes	Individual	3,097	€82.98
07 Mar 24	Sell€189,695	Percy Carter	Individual	2,286	€82.98
07 Mar 24	Sell€431,005	Tracey McCain	Individual	5,194	€82.98
07 Mar 24	Sell€363,209	Fouad Namouni	Individual	4,377	€82.98
07 Mar 24	Sell€503,697	Christina Rossi	Individual	6,070	€82.98
07 Mar 24	Sell€415,156	Michael Landsittel	Individual	5,003	€82.98
07 Mar 24	Sell€1,034,280	Kathryn Haviland	Individual	12,464	€82.98
07 Mar 24	Sell€422,624	Debra Durso-Bumpus	Individual	5,093	€82.98
07 Mar 24	Sell€915,533	Jeffrey Albers	Individual	11,033	€82.98
04 Oct 23	Sell€172,353	Fouad Namouni	Individual	3,769	€45.73
05 Jun 23	Sell€68,218	Becker Hewes	Individual	1,404	€48.59
05 Jun 23	Sell€112,116	Percy Carter	Individual	2,307	€48.60

Insider Trading Volume

Insider Buying: 2L9 insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of 2L9?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	7,370	0.0114%
Individual Insiders	677,007	1.05%
Institutions	63,864,793	98.9%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 2.1%.

Top Shareholders

Top 25 shareholders own 83.62% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
10.8%	BlackRock, Inc.	6,584,176	€566.3m	-0.05%	0.01%
10.2%	T. Rowe Price Group, Inc.	6,250,823	€537.6m	-11.1%	0.05%
9.99%	The Vanguard Group, Inc.	6,114,970	€525.9m	2.48%	0.01%
7.1%	FMR LLC	4,347,812	€373.9m	-28.6%	0.03%
6.98%	Wellington Management Group LLP	4,276,333	€367.8m	-15.8%	0.06%
4.71%	Rock Springs Capital Management LP	2,881,567	€247.8m	7.31%	7.39%
3.96%	State Street Global Advisors, Inc.	2,424,200	€208.5m	-7.67%	0.01%
2.86%	Pictet Asset Management Limited	1,753,547	€150.8m	132%	0.11%
2.83%	William Blair Investment Management, LLC	1,734,461	€149.2m	18.6%	0.22%
2.56%	Macquarie Investment Management Business Trust	1,568,947	€134.9m	-0.69%	0.16%
2.37%	Lord, Abbett & Co. LLC	1,449,414	€124.7m	0%	0.43%
2.22%	AllianceBernstein L.P.	1,357,983	€116.8m	-9.3%	0.04%
2.19%	JP Morgan Asset Management	1,343,626	€115.6m	-17.6%	0.02%
2.17%	Geode Capital Management, LLC	1,327,256	€114.2m	4.8%	0.01%
1.74%	Morgan Stanley, Investment Banking and Brokerage Investments	1,064,877	€91.6m	272%	0.01%
1.41%	Polar Capital Holdings Plc	865,000	€74.4m	-16.8%	0.35%
1.38%	Emerald Advisers, LLC	846,686	€72.8m	-21%	1.88%
1.33%	Woodline Partners LP	814,473	€70.0m	35.3%	0.83%
1.16%	American Century Investment Management Inc	711,734	€61.2m	6.08%	0.04%
1.11%	Brown Advisory Incorporated	679,920	€58.5m	6.07%	0.08%
1%	Avidity Partners Management, L.P.	615,000	€52.9m	-18.2%	2.18%
0.99%	Norges Bank Investment Management	605,951	€52.1m	-4.43%	no data
0.94%	Northern Trust Global Investments	573,500	€49.3m	-2.54%	0.01%
0.88%	Alkeon Capital Management, LLC	536,525	€46.1m	-32%	0.38%
0.78%	Charles Schwab Investment Management, Inc.	476,063	€40.9m	0%	0.01%