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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
VCYT icon
251
Veracyte
VCYT
$3.69B
$26.9M 0.07%
1,241,671
+500,020
+67% +$10.5M
WAFD icon
252
WaFd
WAFD
$2.79B
$26.7M 0.07%
934,892
-1,683
-0.2% -$46.6K
STEP icon
253
StepStone Group
STEP
$3.97B
$26.6M 0.07%
580,052
-28,777
-5% -$1.13M
AAMI
254
Acadian Asset Management
AAMI
$3.25B
$26.6M 0.07%
1,199,669
-2,245
-0.2% -$50.7K
WERN icon
255
Werner Enterprises
WERN
$2.26B
$26.6M 0.07%
742,096
-1,452
-0.2% -$53.1K
ADSK icon
256
Autodesk
ADSK
$52.1B
$26.4M 0.07%
106,611
-61,710
-37% -$13.9M
SMP icon
257
Standard Motor Products
SMP
$875M
$26M 0.07%
938,618
-1,793
-0.2% -$55.8K
THR
258
DELISTED
Thermon Group Holdings
THR
$26M 0.07%
844,996
-56,248
-6% -$1.8M
EPC icon
259
Edgewell Personal Care
EPC
$1.32B
$25.9M 0.07%
644,593
-1,233
-0.2% -$47.2K
SITM icon
260
SiTime
SITM
$20.8B
$25.9M 0.07%
208,098
+79,648
+62% +$8.49M
FBNC icon
261
First Bancorp
FBNC
$2.7B
$25.6M 0.07%
802,490
+124,992
+18% +$3.97M
CNM icon
262
Core & Main
CNM
$8.59B
$25.6M 0.07%
522,412
+3,097
+0.6% +$172K
EXTR icon
263
Extreme Networks
EXTR
$3.23B
$25.4M 0.07%
+1,889,146
New +$21.7M
STEL
264
DELISTED
Stellar Bancorp
STEL
$25.3M 0.07%
1,102,162
-2,070
-0.2% -$47K
INVX
265
Innovex International
INVX
$2.09B
$25.3M 0.07%
1,360,291
+121,681
+10% +$2.36M
MLKN icon
266
MillerKnoll
MLKN
$1.6B
$25.3M 0.07%
953,485
-906
-0.1% -$23.8K
WINA icon
267
Winmark
WINA
$1.27B
$25.2M 0.07%
71,426
+5,892
+9% +$2.1M
SHO icon
268
Sunstone Hotel Investors
SHO
$2B
$25.1M 0.07%
2,400,440
-4,647
-0.2% -$48.1K
CENTA icon
269
Central Garden & Pet Co Class A
CENTA
$2.42B
$24.9M 0.07%
754,509
-335,551
-31% -$12.1M
BOOT icon
270
Boot Barn
BOOT
$4.95B
$24.9M 0.07%
193,233
-239,669
-55% -$27M
NEE icon
271
NextEra Energy
NEE
$179B
$24.6M 0.06%
347,876
+330,698
+1,925% +$23.5M
TMCI icon
272
Treace Medical Concepts
TMCI
$301M
$24.5M 0.06%
3,681,718
+1,352,207
+58% +$10.9M
OSW icon
273
OneSpaWorld
OSW
$2.68B
$24.4M 0.06%
1,588,152
+117,241
+8% +$1.67M
ALHC icon
274
Alignment Healthcare
ALHC
$2.81B
$24.3M 0.06%
3,104,681
+1,507,759
+94% +$9.84M
MNRO icon
275
Monro
MNRO
$356M
$24M 0.06%
1,006,760
-2,026
-0.2% -$54K
9 10
11
12 13

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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.