William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $30.3B
1-Year Est. Return 35.55%
This Fund
S&P 500
This Quarter Est. Return
1 Year Est. Return
+35.55%
3 Year Est. Return
5 Year Est. Return
10 Year Est. Return
AUM
$30.3B
AUM Growth
-$5.59B
Cap. Flow
Cap. Flow %
Top 10 Hldgs %
Holding
459
New
Increased
Reduced
Closed

Top Buys

1 +$307M
2 +$162M
3 +$152M
4
APH icon
Amphenol
APH
+$152M
5
SYNA icon
Synaptics
SYNA
+$129M

Top Sells

1 +$309M
2 +$302M
3 +$269M
4
MSFT icon
Microsoft
MSFT
+$248M
5
CIEN icon
Ciena
CIEN
+$214M

Sector Composition

1 Technology 36.13%
2 Healthcare 12.59%
3 Industrials 11.81%
4 Financials 11.55%
5 Consumer Discretionary 10.11%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
SKY icon
126
Champion Homes
SKY
$4.04B
$57.7M 0.19%
776,353
-244,347
WFRD icon
127
Weatherford International
WFRD
$7.45B
$54.8M 0.18%
579,931
-55,548
KNX icon
128
Knight Transportation
KNX
$12.3B
$54.3M 0.18%
943,286
+399,047
MMSI icon
129
Merit Medical Systems
MMSI
$3.76B
$53.6M 0.18%
777,494
-97,365
BCPC
130
Balchem Corp
BCPC
$5.04B
$53.4M 0.18%
315,260
+16,274
MOD icon
131
Modine Manufacturing
MOD
$14.7B
$52.7M 0.17%
243,343
-139,572
TGLS icon
132
Tecnoglass
TGLS
$1.91B
$52.3M 0.17%
1,173,073
+243,040
SPOT icon
133
Spotify
SPOT
$102B
$51.9M 0.17%
106,941
-114,807
GWRE icon
134
Guidewire Software
GWRE
$12.9B
$51.1M 0.17%
341,501
-16,827
RSI icon
135
Rush Street Interactive
RSI
$2.61B
$50.7M 0.17%
2,331,047
-226,731
TEX icon
136
Terex
TEX
$6.65B
$50.4M 0.17%
+853,618
CGNX icon
137
Cognex
CGNX
$11B
$49.8M 0.16%
1,016,463
-36,817
WGS icon
138
GeneDx Holdings
WGS
$1.54B
$49.8M 0.16%
775,269
-33,941
AUB icon
139
Atlantic Union Bankshares
AUB
$5.38B
$49.3M 0.16%
1,380,238
+268,994
BRBR icon
140
BellRing Brands
BRBR
$972M
$48.8M 0.16%
3,032,100
+803,800
KWR icon
141
Quaker Houghton
KWR
$2.49B
$48.3M 0.16%
388,406
-81,575
GFI icon
142
Gold Fields
GFI
$35.7B
$46.5M 0.15%
1,024,824
+999,148
OSIS icon
143
OSI Systems
OSIS
$3.57B
$45.6M 0.15%
171,667
-19,659
TPG icon
144
TPG
TPG
$6.83B
$45.1M 0.15%
1,112,187
-323,562
AGYS icon
145
Agilysys
AGYS
$2.44B
$44.9M 0.15%
631,587
+58,987
LTM
146
LATAM Airlines Group S.A.
LTM
$15.4B
$43.6M 0.14%
881,457
+179,099
LPX icon
147
Louisiana-Pacific
LPX
$5.34B
$43.4M 0.14%
596,108
-233,331
BE icon
148
Bloom Energy
BE
$81.1B
$43M 0.14%
317,721
-30,471
TEVA icon
149
Teva Pharmaceuticals
TEVA
$41.1B
$42.9M 0.14%
+1,425,667
GPOR icon
150
Gulfport Energy Corp
GPOR
$3.03B
$42.1M 0.14%
198,845
+6,505