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William Blair & Company

William Blair & Company Portfolio holdings

AUM $38.4B
1-Year Est. Return 25.71%
This Fund
S&P 500
This Quarter Est. Return
+10.07%
1 Year Est. Return
+25.71%
3 Year Est. Return
+88.7%
5 Year Est. Return
+104.53%
10 Year Est. Return
+665.86%
AUM
$31.8B
AUM Growth
+$2.49B
Cap. Flow
+$139M
Cap. Flow %
0.44%
Top 10 Hldgs %
23.43%
Holding
1,869
New
90
Increased
714
Reduced
722
Closed
82

Top Buys

Rank Stock Value
1
UBER icon
Uber
UBER
+$24.2M
2
IOT icon
Samsara
IOT
+$23.9M
3
PRCT icon
Procept Biorobotics
PRCT
+$20.5M
4
ISRG icon
Intuitive Surgical
ISRG
+$19.9M
5
AMZN icon
Amazon
AMZN
+$19.4M

Top Sells

Rank Stock Value
1
SPLK
Splunk Inc
SPLK
+$67.1M
2
MA icon
Mastercard
MA
+$65.4M
3
AON icon
Aon
AON
+$40.3M
4
FLYW icon
Flywire
FLYW
+$25.7M
5
DV icon
DoubleVerify
DV
+$19.5M

Sector Composition

Rank Sector Weight
1 Technology 25.75%
2 Healthcare 17.03%
3 Financials 12.35%
4 Industrials 11.88%
5 Consumer Discretionary 8.53%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
PEG icon
901
Public Service Enterprise Group
PEG
$37.8B
$899K ﹤0.01%
13,458
+735
+6% +$45K
DECK icon
902
Deckers Outdoor
DECK
$12.7B
$897K ﹤0.01%
5,718
+282
+5% +$39.1K
HUBS icon
903
HubSpot
HUBS
$12B
$894K ﹤0.01%
1,427
+151
+12% +$90.7K
BHC icon
904
Bausch Health
BHC
$2.37B
$894K ﹤0.01%
84,245
+4,000
+5% +$35K
LGF.B
905
DELISTED
Lions Gate Entertainment Corp. Class B Non-Voting Shares
LGF.B
$893K ﹤0.01%
95,900
+38,100
+66% +$353K
GTLS
906
DELISTED
Chart Industries
GTLS
$893K ﹤0.01%
5,420
+23
+0.4% +$3.09K
BLD
907
DELISTED
TopBuild
BLD
$885K ﹤0.01%
2,007
+322
+19% +$126K
WAL icon
908
Western Alliance Bancorporation
WAL
$8.92B
$884K ﹤0.01%
13,775
+115
+0.8% +$7.06K
PSA icon
909
Public Storage
PSA
$61.4B
$884K ﹤0.01%
3,048
+15
+0.5% +$4.3K
URTH icon
910
iShares MSCI World ETF
URTH
$8.4B
$884K ﹤0.01%
6,100
-130
-2% -$17.9K
TWI icon
911
Titan International
TWI
$438M
$873K ﹤0.01%
70,100
– –
ACHC icon
912
Acadia Healthcare
ACHC
$2.82B
$870K ﹤0.01%
10,982
+12
+0.1% +$981
PPA icon
913
Invesco Aerospace & Defense ETF
PPA
$8.68B
$868K ﹤0.01%
8,549
+8,092
+1,771% +$768K
XSD icon
914
State Street SPDR S&P Semiconductor ETF
XSD
$2.88B
$863K ﹤0.01%
3,718
– –
BPOP icon
915
Popular Inc
BPOP
$11.3B
$860K ﹤0.01%
9,759
– –
HDB icon
916
HDFC Bank
HDB
$119B
$857K ﹤0.01%
30,628
-768
-2% -$21.8K
MRVI icon
917
Maravai LifeSciences
MRVI
$861M
$856K ﹤0.01%
98,774
-2,188
-2% -$14.8K
MGPI icon
918
MGP Ingredients
MGPI
$389M
$850K ﹤0.01%
9,870
+2,514
+34% +$218K
NJUL icon
919
Innovator Growth-100 Power Buffer ETF July
NJUL
$262M
$848K ﹤0.01%
14,713
– –
IEI icon
920
iShares 3-7 Year Treasury Bond ETF
IEI
$17.7B
$845K ﹤0.01%
7,297
-614
-8% -$71.3K
FXI icon
921
iShares China Large-Cap ETF
FXI
$4.16B
$843K ﹤0.01%
35,043
-1,000
-3% -$23.1K
JBGS
922
JBG SMITH
JBGS
$692M
$827K ﹤0.01%
51,500
– –
CCK icon
923
Crown Holdings
CCK
$12.9B
$821K ﹤0.01%
10,354
– –
ITGR icon
924
Integer Holdings
ITGR
$4.25B
$817K ﹤0.01%
7,000
– –
CIVB icon
925
Civista Bancshares
CIVB
$595M
$817K ﹤0.01%
53,100
– –
35 36
37
38 39

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William Blair & Company's Q1 2024 Portfolio in Review

As of Q1 2024, William Blair & Company held 1,869 positions worth $31.8B, up 8.5% from $29.3B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

William Blair & Company's Q1 2024 filing shows 90 new, 714 increased, 722 reduced and 82 closed positions. Its largest new stake was Procept Biorobotics: 429,793 shares worth $21.2M. The largest sale was Splunk Inc, an estimated $67.1M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, down from 26% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q1 2024 buy was Procept Biorobotics: 429,793 shares worth $21.2M.
  • William Blair & Company added most to Uber in Q1 2024, an estimated $24.2M increase.
  • William Blair & Company's biggest Q1 2024 reduction was Mastercard, cutting an estimated $65.4M.
  • William Blair & Company fully exited Splunk Inc in Q1 2024, selling an estimated $67.1M.
  • William Blair & Company's ten largest holdings make up 23% of its $31.8B portfolio in Q1 2024.
  • William Blair & Company opened 90 new positions and closed 82 in Q1 2024.
  • William Blair & Company's portfolio value rose 8.5% quarter-over-quarter to $31.8B.

Based on William Blair & Company's 13F filing for Q1 2024, filed 9 May 2024.