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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
+8.67%
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
$23B
AUM Growth
+$1.22B
Cap. Flow
-$156M
Cap. Flow %
-0.68%
Top 10 Hldgs %
22.7%
Holding
1,905
New
81
Increased
568
Reduced
855
Closed
91

Top Buys

Rank Stock Value
1
POOL icon
Pool Corp
POOL
+$43.2M
2
TEAM icon
Atlassian
TEAM
+$36.6M
3
NOVT icon
Novanta
NOVT
+$28.8M
4
PANW icon
Palo Alto Networks
PANW
+$23.2M
5
MSI icon
Motorola Solutions
MSI
+$20.1M

Top Sells

Rank Stock Value
1
ABMD
Abiomed Inc
ABMD
+$103M
2
PYPL icon
PayPal
PYPL
+$28.4M
3
DIS icon
Walt Disney
DIS
+$26.7M
4
KMX icon
CarMax
KMX
+$25.2M
5
CRM icon
Salesforce
CRM
+$24.3M

Sector Composition

Rank Sector Weight
1 Technology 22.31%
2 Healthcare 19.82%
3 Financials 12.49%
4 Industrials 11.58%
5 Consumer Discretionary 8.46%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
IEUR icon
1051
iShares Core MSCI Europe ETF
IEUR
$9.15B
$477K ﹤0.01%
10,047
-2,586
-20% -$117K
BRZE icon
1052
Braze
BRZE
$3.36B
$476K ﹤0.01%
17,438
-1,041
-6% -$29.1K
WFC.PRL icon
1053
Wells Fargo 7.5% Non Cumv Perp Conv
WFC.PRL
$4.66B
$474K ﹤0.01%
400
-21
-5% -$24.9K
MGPI icon
1054
MGP Ingredients
MGPI
$389M
$474K ﹤0.01%
4,455
-500
-10% -$55.9K
CHDN icon
1055
Churchill Downs
CHDN
$6.2B
$470K ﹤0.01%
4,442
+6
+0.1% +$632
SPYV icon
1056
State Street SPDR Portfolio S&P 500 Value ETF
SPYV
$36.8B
$467K ﹤0.01%
12,016
DOC icon
1057
Healthpeak Properties
DOC
$14.3B
$466K ﹤0.01%
18,571
-2,552
-12% -$62K
PLUS icon
1058
ePlus
PLUS
$2.31B
$465K ﹤0.01%
10,499
+5,626
+115% +$262K
ATEC icon
1059
Alphatec Holdings
ATEC
$1.51B
$464K ﹤0.01%
37,575
BSX icon
1060
Boston Scientific
BSX
$74.9B
$463K ﹤0.01%
10,009
-863
-8% -$37.4K
RVLV icon
1061
Revolve Group
RVLV
$1.72B
$462K ﹤0.01%
20,761
-110
-0.5% -$2.64K
TWI icon
1062
Titan International
TWI
$438M
$461K ﹤0.01%
30,100
FXO icon
1063
First Trust Financials AlphaDEX Fund
FXO
$1.15B
$461K ﹤0.01%
11,257
+41
+0.4% +$1.69K
TRTN
1064
DELISTED
Triton International Limited
TRTN
$460K ﹤0.01%
6,692
STLD icon
1065
Steel Dynamics
STLD
$37.3B
$456K ﹤0.01%
4,664
-596
-11% -$57.3K
AEE icon
1066
Ameren
AEE
$30.2B
$455K ﹤0.01%
5,119
+1,105
+28% +$92.9K
TDOC icon
1067
Teladoc Health
TDOC
$1.26B
$454K ﹤0.01%
19,185
-8,895
-32% -$240K
MRTN icon
1068
Marten Transport
MRTN
$1.24B
$451K ﹤0.01%
22,800
EPI icon
1069
WisdomTree India Earnings Fund ETF
EPI
$2.04B
$448K ﹤0.01%
13,747
FBIN icon
1070
Fortune Brands Innovations
FBIN
$5.78B
$448K ﹤0.01%
7,771
+317
+4% +$16.7K
LEN.B icon
1071
Lennar Class B
LEN.B
$20.7B
$447K ﹤0.01%
6,284
+107
+2% +$6.95K
GOVT icon
1072
iShares US Treasury Bond ETF
GOVT
$43.8B
$445K ﹤0.01%
19,576
+10,403
+113% +$236K
SYNH
1073
DELISTED
Syneos Health, Inc. Class A Common Stock
SYNH
$445K ﹤0.01%
12,124
-1,954
-14% -$77.2K
GGT
1074
Gabelli Multimedia Trust
GGT
$175M
$444K ﹤0.01%
84,232
-35,131
-29% -$211K
LW icon
1075
Lamb Weston
LW
$7.39B
$443K ﹤0.01%
4,956
+1
+0% +$85

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William Blair & Company's Q4 2022 Portfolio in Review

As of Q4 2022, William Blair & Company held 1,905 positions worth $23B, up 5.6% from $21.8B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

William Blair & Company's Q4 2022 filing shows 81 new, 568 increased, 855 reduced and 91 closed positions. Its largest new stake was Atlassian: 230,078 shares worth $29.6M. The largest sale was Abiomed Inc, an estimated $103M.

By sector, the portfolio is most concentrated in Technology at 22% of assets, down from 23% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q4 2022 buy was Atlassian: 230,078 shares worth $29.6M.
  • William Blair & Company added most to Pool Corp in Q4 2022, an estimated $43.2M increase.
  • William Blair & Company's biggest Q4 2022 reduction was PayPal, cutting an estimated $28.4M.
  • William Blair & Company fully exited Abiomed Inc in Q4 2022, selling an estimated $103M.
  • William Blair & Company's ten largest holdings make up 23% of its $23B portfolio in Q4 2022.
  • William Blair & Company opened 81 new positions and closed 91 in Q4 2022.
  • William Blair & Company's portfolio value rose 5.6% quarter-over-quarter to $23B.

Based on William Blair & Company's 13F filing for Q4 2022, filed 10 Feb 2023.