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William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $33.3B
1-Year Est. Return 44.76%
This Fund
S&P 500
This Quarter Est. Return
+3.6%
1 Year Est. Return
+44.76%
3 Year Est. Return
+140.8%
5 Year Est. Return
+166.51%
10 Year Est. Return
+978.6%
AUM
$38.1B
AUM Growth
-$567M
Cap. Flow
-$555M
Cap. Flow %
-1.46%
Top 10 Hldgs %
28.43%
Holding
458
New
48
Increased
125
Reduced
209
Closed
47

Top Buys

Rank Stock Value
1
AAPL icon
Apple
AAPL
+$739M
2
EXAS
Exact Sciences
EXAS
+$213M
3
CFLT
Confluent
CFLT
+$188M
4
SN icon
SharkNinja
SN
+$179M
5
PLNT icon
Planet Fitness
PLNT
+$147M

Top Sells

Rank Stock Value
1
SMCI icon
Super Micro Computer
SMCI
+$228M
2
CRH icon
CRH
CRH
+$217M
3
LULU icon
lululemon athletica
LULU
+$210M
4
TW icon
Tradeweb Markets
TW
+$190M
5
LYV icon
Live Nation Entertainment
LYV
+$175M

Sector Composition

Rank Sector Weight
1 Technology 34.09%
2 Consumer Discretionary 14.21%
3 Healthcare 13.5%
4 Industrials 11.25%
5 Financials 8.95%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
PRMW
201
DELISTED
Primo Water Corporation
PRMW
$33M 0.09%
1,508,279
-833,030
-36% -$17.1M
BANC icon
202
Banc of California
BANC
$3.09B
$32.9M 0.09%
2,571,184
-4,746
-0.2% -$65.6K
IDXX icon
203
Idexx Laboratories
IDXX
$45B
$32.7M 0.09%
67,121
-1,907
-3% -$957K
ECVT icon
204
Ecovyst
ECVT
$1.1B
$32.7M 0.09%
3,642,673
-7,731
-0.2% -$74.8K
SHOO icon
205
Steven Madden
SHOO
$3.48B
$32.6M 0.09%
771,862
-1,465
-0.2% -$61.2K
STAG icon
206
STAG Industrial
STAG
$7.11B
$32.2M 0.08%
892,812
-1,291
-0.1% -$45.9K
CAKE icon
207
Cheesecake Factory
CAKE
$5.72B
$32.2M 0.08%
819,328
+60,545
+8% +$2.24M
KFY icon
208
Korn Ferry
KFY
$4.23B
$32.2M 0.08%
479,035
-862
-0.2% -$55.4K
UMH
209
UMH Properties
UMH
$1.39B
$32M 0.08%
2,003,749
-4,115
-0.2% -$64.1K
OC icon
210
Owens Corning
OC
$12.2B
$31.8M 0.08%
+183,156
New +$31.7M
HI
211
DELISTED
Hillenbrand
HI
$31.7M 0.08%
791,698
-1,452
-0.2% -$65.5K
HR icon
212
Healthcare Realty
HR
$6.63B
$31.3M 0.08%
1,899,183
+11,695
+0.6% +$179K
GPOR icon
213
Gulfport Energy Corp
GPOR
$2.99B
$31.3M 0.08%
207,006
-9
-0% -$1.41K
ANIP icon
214
ANI Pharmaceuticals
ANIP
$1.69B
$31.2M 0.08%
489,386
-879
-0.2% -$57.1K
AWI icon
215
Armstrong World Industries
AWI
$7.71B
$31.1M 0.08%
274,983
-1,138
-0.4% -$132K
GEF icon
216
Greif
GEF
$4.97B
$31.1M 0.08%
540,330
+80,754
+18% +$5.1M
ELME
217
Elme Communities
ELME
$145M
$31M 0.08%
1,945,503
-4,530
-0.2% -$69K
INFY icon
218
Infosys
INFY
$49.3B
$30.9M 0.08%
1,657,032
-2,945,347
-64% -$51.3M
PPBI
219
DELISTED
Pacific Premier Bancorp
PPBI
$30.4M 0.08%
1,322,400
-6,376
-0.5% -$141K
WSO icon
220
Watsco Inc
WSO
$12.7B
$30.1M 0.08%
65,067
-1,899
-3% -$868K
PEB icon
221
Pebblebrook Hotel Trust
PEB
$2.02B
$29.9M 0.08%
2,174,815
-1,184,343
-35% -$17.2M
HELE icon
222
Helen of Troy
HELE
$694M
$29.7M 0.08%
+320,779
New +$32.5M
GPRE icon
223
Green Plains
GPRE
$1.06B
$29.7M 0.08%
1,870,698
+65,637
+4% +$1.26M
MRK icon
224
Merck
MRK
$328B
$29.5M 0.08%
+238,297
New +$30.7M
P
225
Everpure Inc
P
$36.3B
$29.3M 0.08%
455,662
-200,839
-31% -$11.6M
7 8
9
10 11

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William Blair Investment Management's Q2 2024 Portfolio in Review

As of Q2 2024, William Blair Investment Management held 458 positions worth $38.1B, down 1.5% from $38.7B the previous quarter. Its ten largest holdings account for 28% of the portfolio.

William Blair Investment Management's Q2 2024 filing shows 48 new, 125 increased, 209 reduced and 47 closed positions. Its largest new stake was Apple: 3,961,485 shares worth $834M. The largest sale was Super Micro Computer, an estimated $228M.

By sector, the portfolio is most concentrated in Technology at 34% of assets, up from 30% a quarter earlier, followed by Consumer Discretionary and Healthcare.

  • William Blair Investment Management's largest Q2 2024 buy was Apple: 3,961,485 shares worth $834M.
  • William Blair Investment Management added most to Uber in Q2 2024, an estimated $124M increase.
  • William Blair Investment Management's biggest Q2 2024 reduction was CRH, cutting an estimated $217M.
  • William Blair Investment Management fully exited Super Micro Computer in Q2 2024, selling an estimated $228M.
  • William Blair Investment Management's ten largest holdings make up 28% of its $38.1B portfolio in Q2 2024.
  • William Blair Investment Management opened 48 new positions and closed 47 in Q2 2024.
  • William Blair Investment Management's portfolio value fell 1.5% quarter-over-quarter to $38.1B.

Based on William Blair Investment Management's 13F filing for Q2 2024, filed 8 Aug 2024.