StockScan > Holders > William Blair Investment Management

William Blair Investment Management's Portfolio and 13F Filing

Value:	$29.68B
Website:	www.williamblairfunds.com
CIK:	0001644956
Phone:	312-216-1600
Address:	150 North Riverside Plaza, Chicago, IL (60606)
Latest 13F Filing:	2021-02-09

#	Stock Name	Symbol	Current Price	Previous Holdings (# Shares)	Current Holdings (# Shares)	Current Value	Percent
1	Taiwan Semiconductor Manufactur	TSM	$155.58	13,330,953	12,232,121 -1,098,832	$1,903,073,385	6.41%
2	Builders FirstSource, Inc.	BLDR	$171.94	3,312,031	5,462,733 2,150,702	$939,262,312	3.16%
3	Pure Storage, Inc. Class A	PSTG	$59.59	16,133,062	15,709,115 -423,947	$936,106,163	3.15%
4	SPDR S&P 500	SPY	$529.78	1,855,600	1,706,990 -148,610	$904,329,162	3.05%
5	Cameco Corporation	CCJ	$49.97	15,430,474	15,410,690 -19,784	$770,072,179	2.59%
6	Microsoft Corporation	MSFT	$423.08	1,468,945	1,682,146 213,201	$711,682,330	2.40%
7	Martin Marietta Materials, Inc.	MLM	$612.68	1,176,415	1,161,160 -15,255	$711,419,509	2.40%
8	BWX Technologies, Inc.	BWXT	$90.53	7,512,232	7,386,872 -125,360	$668,733,522	2.25%
9	MercadoLibre, Inc.	MELI	$1,718.50	344,704	344,891 187	$592,695,184	2.00%
10	Grand Canyon Education, Inc.	LOPE	$144.75	4,055,191	4,081,286 26,095	$590,766,149	1.99%
11	Ares Management Corporation Cla	ARES	$149.82	3,736,791	3,685,378 -51,413	$552,143,332	1.86%
12	BJ's Wholesale Club Holdings, I	BJ	$77.27	6,675,352	7,096,457 421,105	$548,343,232	1.85%
13	Brinks Company (The)	BCO	$97.31	4,838,605	5,248,720 410,115	$510,752,943	1.72%
14	Encompass Health Corporation	EHC	$87.09	4,675,156	4,666,500 -8,656	$406,405,485	1.37%
15	Canadian National Railway Compa	CNI	$125.39	3,358,425	3,199,468 -158,957	$401,181,293	1.35%
16	GoDaddy Inc. Class A	GDDY	$136.45	2,524,600	2,541,286 16,686	$346,758,475	1.17%
17	Aspen Technology, Inc.	AZPN	$221.30	1,575,368	1,536,148 -39,220	$339,949,552	1.15%
18	Live Nation Entertainment, Inc.	LYV	$96.48	3,308,949	3,182,250 -126,699	$307,023,480	1.03%
19	Ritchie Bros. Auctioneers Incor	RBA	$76.04	4,177,371	3,979,808 -197,563	$302,624,600	1.02%
20	Halozyme Therapeutics, Inc.	HALO	$45.82	6,520,526	6,362,344 -158,182	$291,522,602	0.98%

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