William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $37.7B
This Quarter Return
+2.16%
1 Year Return
+25.84%
3 Year Return
+122.23%
5 Year Return
+199.92%
10 Year Return
+704.65%
AUM
$35.5B
AUM Growth
+$35.5B
Cap. Flow
+$3.36B
Cap. Flow %
9.47%
Top 10 Hldgs %
14.72%
Holding
520
New
55
Increased
211
Reduced
159
Closed
89

Sector Composition

1 Technology 25.46%
2 Healthcare 19.29%
3 Consumer Discretionary 15.58%
4 Industrials 14.33%
5 Financials 8.46%
Name Market Value Portfolio Weight Shares or Principal Shares
Change %
Capital Flow
TSM icon
1
TSMC
TSM
$1.2T
$1.23B 3.47% 11,012,683 +177,950 +2% +$19.9M
MSFT icon
2
Microsoft
MSFT
$3.77T
$531M 1.5% 1,882,267 -80,538 -4% -$22.7M
SE icon
3
Sea Limited
SE
$110B
$511M 1.44% 1,603,559 +123,455 +8% +$39.3M
MELI icon
4
Mercado Libre
MELI
$125B
$504M 1.42% 300,376 +30,849 +11% +$51.8M
BLDR icon
5
Builders FirstSource
BLDR
$15.3B
$439M 1.24% 8,491,616 +67,619 +0.8% +$3.5M
CNI icon
6
Canadian National Railway
CNI
$60.4B
$418M 1.18% 3,614,349 -14,333 -0.4% -$1.66M
AMZN icon
7
Amazon
AMZN
$2.44T
$403M 1.14% 122,696 -4,856 -4% -$16M
DT icon
8
Dynatrace
DT
$15.3B
$399M 1.12% 5,616,900 -95,332 -2% -$6.77M
GOOGL icon
9
Alphabet (Google) Class A
GOOGL
$2.57T
$393M 1.11% 147,079 -11,762 -7% -$31.4M
BWXT icon
10
BWX Technologies
BWXT
$14.8B
$391M 1.1% 7,253,158 -102,233 -1% -$5.51M
CRL icon
11
Charles River Laboratories
CRL
$8.04B
$389M 1.1% 942,596 -35,882 -4% -$14.8M
PSTG icon
12
Pure Storage
PSTG
$25.4B
$389M 1.1% 15,458,782 -248,011 -2% -$6.24M
AZTA icon
13
Azenta
AZTA
$1.4B
$386M 1.09% 3,767,076 -44,981 -1% -$4.6M
NICE icon
14
Nice
NICE
$8.73B
$382M 1.08% 1,346,033 +17,524 +1% +$4.98M
SPY icon
15
SPDR S&P 500 ETF Trust
SPY
$658B
$358M 1.01% 835,250 -464,610 -36% -$199M
HZNP
16
DELISTED
Horizon Therapeutics Public Limited Company Ordinary Shares
HZNP
$341M 0.96% 3,117,368 -1,276,319 -29% -$140M
CCK icon
17
Crown Holdings
CCK
$11.6B
$339M 0.96% 3,360,442 -41,620 -1% -$4.19M
NBIS
18
Nebius Group N.V. Class A Ordinary Shares
NBIS
$16.3B
$337M 0.95% 4,224,029 +88,257 +2% +$7.03M
AXON icon
19
Axon Enterprise
AXON
$58.7B
$329M 0.93% 1,879,180 -47,221 -2% -$8.26M
BCO icon
20
Brink's
BCO
$4.67B
$325M 0.92% 5,135,768 -117,469 -2% -$7.44M
TEAM icon
21
Atlassian
TEAM
$46.6B
$323M 0.91% 823,981 -3,975 -0.5% -$1.56M
TREX icon
22
Trex
TREX
$6.61B
$321M 0.91% 3,153,468 +19,332 +0.6% +$1.97M
EEFT icon
23
Euronet Worldwide
EEFT
$3.82B
$320M 0.9% 2,514,888 -26,128 -1% -$3.33M
CCJ icon
24
Cameco
CCJ
$33.7B
$318M 0.9% 14,624,529 -790,045 -5% -$17.2M
TECH icon
25
Bio-Techne
TECH
$8.5B
$317M 0.89% 653,844 -27,135 -4% -$13.1M