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
$31.9B
AUM Growth
+$2.51B
Cap. Flow
Cap. Flow %
Top 10 Hldgs %
Holding
2,054
New
Increased
Reduced
Closed

Top Buys

1 +$66.8M
2 +$47M
3 +$44.1M
4
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$43.7M
5
AON icon
Aon
AON
+$36.1M

Top Sells

1 +$73.8M
2 +$46.9M
3 +$43.6M
4
DIS icon
Walt Disney
DIS
+$34M
5
PGR icon
Progressive
PGR
+$32.6M

Sector Composition

1 Technology 26.2%
2 Healthcare 19.21%
3 Financials 10.7%
4 Consumer Discretionary 10.6%
5 Industrials 10.38%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
2001
-2,642
2002
-253
2003
-10,950
2004
-13,500
2005
-40
2006
-34,050
2007
-43,000
2008
-43
2009
-46
2010
-13,623
2011
-8,204
2012
-40
2013
-5,432
2014
-131,447
2015
-20,900
2016
-4,564
2017
-6,000
2018
-153,768
2019
-1,323
2020
-160,399
2021
-25,150
2022
-157,491
2023
-7,950
2024
-28,044
2025
-130