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William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $30.3B
1-Year Est. Return 33.75%
This Fund
S&P 500
This Quarter Est. Return
+3.6%
1 Year Est. Return
+33.75%
3 Year Est. Return
+108.55%
5 Year Est. Return
+126.9%
10 Year Est. Return
+788.31%
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
CRM icon
26
Salesforce
CRM
$161B
$291M 0.76%
1,132,248
-262,711
-19% -$70.3M
BCO icon
27
Brink's
BCO
$4.69B
$284M 0.74%
2,770,415
-115,547
-4% -$11M
CP icon
28
Canadian Pacific Kansas City
CP
$80.6B
$270M 0.71%
3,429,087
-235,179
-6% -$19.1M
CWST icon
29
Casella Waste Systems
CWST
$5.89B
$265M 0.69%
2,666,749
-3,021
-0.1% -$291K
CPRT icon
30
Copart
CPRT
$27.4B
$263M 0.69%
4,857,756
-640,454
-12% -$35M
MMSI icon
31
Merit Medical Systems
MMSI
$5.46B
$262M 0.69%
3,053,461
+10,512
+0.3% +$827K
CHE icon
32
Chemed
CHE
$7.09B
$258M 0.68%
475,372
+12,705
+3% +$7.28M
PDD icon
33
Pinduoduo
PDD
$129B
$249M 0.65%
1,869,782
+7,564
+0.4% +$1.02M
ZTS icon
34
Zoetis
ZTS
$31B
$248M 0.65%
1,429,294
+165,373
+13% +$27.5M
UBER icon
35
Uber
UBER
$160B
$241M 0.63%
3,315,306
+1,783,166
+116% +$124M
ORLY icon
36
O'Reilly Automotive
ORLY
$75.1B
$239M 0.63%
3,390,045
+21,600
+0.6% +$1.49M
ACHC icon
37
Acadia Healthcare
ACHC
$2.92B
$237M 0.62%
3,515,464
+604,070
+21% +$42.2M
INSM icon
38
Insmed
INSM
$29B
$232M 0.61%
3,469,728
-744,991
-18% -$28.9M
MNST icon
39
Monster Beverage
MNST
$89.7B
$230M 0.6%
9,215,656
-503,704
-5% -$13.4M
WMS icon
40
Advanced Drainage Systems
WMS
$10.8B
$229M 0.6%
1,430,091
+64,618
+5% +$10.8M
TYL icon
41
Tyler Technologies
TYL
$13.2B
$229M 0.6%
454,757
-6,720
-1% -$3.1M
FRPT icon
42
Freshpet
FRPT
$3.49B
$225M 0.59%
1,740,355
-846,724
-33% -$102M
APO icon
43
Apollo Global Management
APO
$80.6B
$222M 0.58%
1,883,601
-20,611
-1% -$2.34M
ITUB icon
44
Itaú Unibanco
ITUB
$83.2B
$222M 0.58%
42,973,027
+5,538,216
+15% +$30.3M
EG icon
45
Everest Group
EG
$14.2B
$221M 0.58%
580,171
+134,517
+30% +$50.9M
AXON
46
Axon Enterprise
AXON
$51.3B
$211M 0.55%
716,967
-265,858
-27% -$79.3M
NFE icon
47
New Fortress Energy
NFE
$94.6M
$210M 0.55%
9,549,412
+633,170
+7% +$16.4M
RACE icon
48
Ferrari
RACE
$72.1B
$208M 0.55%
509,566
-54,554
-10% -$22.7M
BFAM icon
49
Bright Horizons
BFAM
$3.8B
$206M 0.54%
1,867,018
-86,619
-4% -$9.36M
CCJ icon
50
Cameco
CCJ
$42.8B
$205M 0.54%
4,160,009
+265,196
+7% +$13.4M
1
2
3 4 5

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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.