William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $37.7B
This Quarter Return
+7.99%
1 Year Return
+25.84%
3 Year Return
+122.23%
5 Year Return
+199.92%
10 Year Return
+704.65%
AUM
$31.9B
AUM Growth
+$31.9B
Cap. Flow
-$548M
Cap. Flow %
-1.72%
Top 10 Hldgs %
16.59%
Holding
479
New
112
Increased
102
Reduced
248
Closed
14

Sector Composition

1 Technology 25.77%
2 Healthcare 20.52%
3 Industrials 14.68%
4 Consumer Discretionary 14.22%
5 Financials 6.49%
Name Market Value Portfolio Weight Shares or Principal Shares
Change %
Capital Flow
TSM icon
1
TSMC
TSM
$1.2T
$1.3B 4.09% 10,834,733 +495,832 +5% +$59.6M
SPY icon
2
SPDR S&P 500 ETF Trust
SPY
$658B
$556M 1.75% 1,299,860 -126,590 -9% -$54.2M
MSFT icon
3
Microsoft
MSFT
$3.77T
$532M 1.67% 1,962,805 +36,267 +2% +$9.82M
AMZN icon
4
Amazon
AMZN
$2.44T
$439M 1.38% 127,552 +1,720 +1% +$5.92M
BWXT icon
5
BWX Technologies
BWXT
$14.8B
$427M 1.34% 7,355,391 -106,065 -1% -$6.16M
MELI icon
6
Mercado Libre
MELI
$125B
$420M 1.32% 269,527 -5,502 -2% -$8.57M
HZNP
7
DELISTED
Horizon Therapeutics Public Limited Company Ordinary Shares
HZNP
$411M 1.29% 4,393,687 +244,492 +6% +$22.9M
SE icon
8
Sea Limited
SE
$110B
$406M 1.28% 1,480,104 +33,196 +2% +$9.12M
BCO icon
9
Brink's
BCO
$4.67B
$404M 1.27% 5,253,237 -79,302 -1% -$6.09M
GOOGL icon
10
Alphabet (Google) Class A
GOOGL
$2.57T
$388M 1.22% 158,841 -4,116 -3% -$10.1M
CNI icon
11
Canadian National Railway
CNI
$60.4B
$383M 1.2% 3,628,682 -187,537 -5% -$19.8M
AZTA icon
12
Azenta
AZTA
$1.4B
$363M 1.14% 3,812,057 -76,702 -2% -$7.31M
CRL icon
13
Charles River Laboratories
CRL
$8.04B
$362M 1.14% 978,478 -13,702 -1% -$5.07M
BLDR icon
14
Builders FirstSource
BLDR
$15.3B
$359M 1.13% 8,423,997 +2,879,803 +52% +$123M
CCK icon
15
Crown Holdings
CCK
$11.6B
$348M 1.09% 3,402,062 -41,348 -1% -$4.23M
EEFT icon
16
Euronet Worldwide
EEFT
$3.82B
$344M 1.08% 2,541,016 +441,810 +21% +$59.8M
AXON icon
17
Axon Enterprise
AXON
$58.7B
$341M 1.07% 1,926,401 +129,038 +7% +$22.8M
MLM icon
18
Martin Marietta Materials
MLM
$37.2B
$341M 1.07% 968,012 -14,320 -1% -$5.04M
GNRC icon
19
Generac Holdings
GNRC
$10.9B
$338M 1.06% 813,574 -11,497 -1% -$4.77M
DT icon
20
Dynatrace
DT
$15.3B
$334M 1.05% 5,712,232 +1,573,707 +38% +$91.9M
NICE icon
21
Nice
NICE
$8.73B
$329M 1.03% 1,328,509 +113,650 +9% +$28.1M
TREX icon
22
Trex
TREX
$6.61B
$320M 1.01% 3,134,136 -43,608 -1% -$4.46M
BFAM icon
23
Bright Horizons
BFAM
$6.71B
$314M 0.98% 2,131,955 +580,991 +37% +$85.5M
EHC icon
24
Encompass Health
EHC
$12.3B
$309M 0.97% 3,957,368 -642,531 -14% -$50.1M
PSTG icon
25
Pure Storage
PSTG
$25.4B
$307M 0.96% 15,706,793 +245,386 +2% +$4.79M