William Blair Investment Management, LLC Blueprint Medicines Corp Transaction History

William Blair Investment Management, LLC

$34.7 Billion
Q2 2025

A detailed history of William Blair Investment Management, LLC transactions in Blueprint Medicines Corp stock. As of the latest transaction made, William Blair Investment Management, LLC holds 8,574 shares of BPMC stock, worth $1.11 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

8,574

Previous 1,429,668 99.4%

Holding current value

$1.11 Million

Previous $127 Million 99.13%

% of portfolio

0.0%

Previous 0.39%

19 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Jul 29, 2025	SELL	$79.22 - $128.4 $113 Million - $182 Million	-1,421,094 Reduced 99.4%	8,574 $1.1 Million
Q1 2025 May 09, 2025	SELL	$86.69 - $115.63 $44.6 Million - $59.6 Million	-515,027 Reduced 26.48%	1,429,668 $127 Million
Q4 2024 Feb 10, 2025	BUY	$82.48 - $101.39 $22.3 Million - $27.4 Million	269,896 Added 16.12%	1,944,695 $170 Million
Q3 2024 Nov 08, 2024	BUY	$84.1 - $120.5 $6.8 Million - $9.75 Million	80,883 Added 5.07%	1,674,799 $155 Million
Q2 2024 Aug 08, 2024	SELL	$85.18 - $108.78 $9.72 Million - $12.4 Million	-114,132 Reduced 6.68%	1,593,916 $172 Million
Q1 2024 May 08, 2024	SELL	$73.17 - $99.79 $1.45 Million - $1.98 Million	-19,797 Reduced 1.15%	1,708,048 $162 Million
Q4 2023 Feb 09, 2024	BUY	$43.96 - $92.84 $11.9 Million - $25.2 Million	271,216 Added 18.62%	1,727,845 $159 Million
Q3 2023 Nov 09, 2023	SELL	$46.9 - $66.0 $837,680 - $1.18 Million	-17,861 Reduced 1.21%	1,456,629 $73.2 Million
Q2 2023 Aug 10, 2023	BUY	$42.2 - $66.37 $16.5 Million - $26 Million	392,041 Added 36.22%	1,474,490 $93.2 Million
Q1 2023 May 12, 2023	BUY	$37.97 - $50.0 $2.2 Million - $2.89 Million	57,835 Added 5.64%	1,082,449 $48.7 Million
Q4 2022 Feb 09, 2023	SELL	$41.06 - $66.48 $2.04 Million - $3.3 Million	-49,670 Reduced 4.62%	1,024,614 $44.9 Million
Q3 2022 Nov 09, 2022	BUY	$49.93 - $77.7 $457,159 - $711,421	9,156 Added 0.86%	1,074,284 $70.8 Million
Q2 2022 Aug 10, 2022	SELL	$45.23 - $70.15 $922,149 - $1.43 Million	-20,388 Reduced 1.88%	1,065,128 $53.8 Million
Q1 2022 May 11, 2022	SELL	$54.1 - $110.08 $35.8 Million - $72.9 Million	-662,205 Reduced 37.89%	1,085,516 $69.3 Million
Q4 2021 Feb 14, 2022	BUY	$94.25 - $115.99 $2.88 Million - $3.54 Million	30,557 Added 1.78%	1,747,721 $187 Million
Q3 2021 Nov 10, 2021	BUY	$80.98 - $109.47 $55.2 Million - $74.6 Million	681,246 Added 65.76%	1,717,164 $177 Million
Q2 2021 Aug 12, 2021	SELL	$82.78 - $101.0 $1.93 Million - $2.36 Million	-23,353 Reduced 2.2%	1,035,918 $91.1 Million
Q1 2021 May 13, 2021	BUY	$90.71 - $108.28 $6.94 Million - $8.28 Million	76,457 Added 7.78%	1,059,271 $103 Million
Q4 2020 Feb 09, 2021	BUY	$92.08 - $124.48 $90.5 Million - $122 Million	982,814 New	982,814 $110 Million

Others Institutions Holding BPMC

# of Institutions

400

Shares Held

67.3M

Call Options Held

973K

Put Options Held

1.54M

View Full List

About Blueprint Medicines Corp

Ticker BPMC
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 59,719,600
Market Cap $7.73B
Description
Blueprint Medicines Corporation, a precision therapy company, develops medicines for genomically defined cancers and blood disorders in the United States and internationally. The company is developing AYVAKIT for the treatment of systemic mastocytosis (SM) and gastrointestinal stromal tumors; BLU-263, an orally available, potent, and KIT inhibit...

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William Blair Investment Management, LLC Blueprint Medicines Corp Transaction History