William Blair & Company

William Blair & Company Portfolio holdings

AUM $37.3B
1-Year Est. Return 20.51%
This Fund
S&P 500
This Quarter Est. Return
1 Year Est. Return
+20.51%
3 Year Est. Return
5 Year Est. Return
10 Year Est. Return
AUM
$28.5B
AUM Growth
-$3.35B
Cap. Flow
Cap. Flow %
Top 10 Hldgs %
Holding
2,061
New
Increased
Reduced
Closed

Top Buys

1 +$71.5M
2 +$64.1M
3 +$60.2M
4
SWCH
Switch, Inc. Class A Common Stock
SWCH
+$42.2M
5
FISV
Fiserv Inc
FISV
+$38.2M

Top Sells

1 +$77.7M
2 +$61.4M
3 +$58.4M
4
OKTA icon
Okta
OKTA
+$53.3M
5
META icon
Meta Platforms (Facebook)
META
+$39.8M

Sector Composition

1 Technology 25.22%
2 Healthcare 19.05%
3 Financials 11.51%
4 Industrials 10.68%
5 Consumer Discretionary 10.04%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
2001
-21
2002
-9,238
2003
-2,500
2004
-2,335
2005
-6,923
2006
-5,297
2007
-156
2008
-12,053
2009
-10,643
2010
-7,188
2011
-3,053
2012
-22
2013
-80
2014
-2,274
2015
-1,095
2016
-9,333
2017
-1,364
2018
-1,545
2019
-90
2020
-65,735
2021
-4,510
2022
-7,248
2023
-7
2024
-12,126
2025
-10,728