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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
JBL icon
1126
Jabil
JBL
$38.6B
$380K ﹤0.01%
5,576
+265
+5% +$17.5K
PSEC icon
1127
Prospect Capital
PSEC
$1.17B
$380K ﹤0.01%
54,300
– –
WRB icon
1128
W.R. Berkley
WRB
$26.2B
$378K ﹤0.01%
7,824
-1,578
-17% -$76.1K
HSBC icon
1129
HSBC
HSBC
$357B
$378K ﹤0.01%
12,126
-142
-1% -$4.03K
IYE icon
1130
iShares US Energy ETF
IYE
$1.8B
$377K ﹤0.01%
8,115
+1,173
+17% +$54.8K
EWU icon
1131
iShares MSCI United Kingdom ETF
EWU
$4.13B
$377K ﹤0.01%
12,299
-8,981
-42% -$263K
RGF
1132
DELISTED
The Real Good Food Company, Inc. Class A Common Stock
RGF
$372K ﹤0.01%
4,681
-1,180
-20% -$96.2K
COUR icon
1133
Coursera
COUR
$1.55B
$372K ﹤0.01%
31,417
-4,034
-11% -$50.9K
BRKL
1134
DELISTED
Brookline Bancorp
BRKL
$371K ﹤0.01%
26,210
– –
TLTD icon
1135
FlexShares Morningstar Developed Markets ex-US Factor Tilt Index Fund
TLTD
$690M
$371K ﹤0.01%
6,145
– –
IGV icon
1136
iShares Expanded Tech-Software Sector ETF
IGV
$15.3B
$369K ﹤0.01%
7,205
-140
-2% -$7.26K
DTM icon
1137
DT Midstream
DTM
$13.8B
$365K ﹤0.01%
6,611
-684
-9% -$39.1K
GHI icon
1138
Greystone Housing Impact Investors LP
GHI
$145M
$365K ﹤0.01%
21,337
-3
-0% -$54
LL
1139
DELISTED
LL Flooring Holdings, Inc.
LL
$365K ﹤0.01%
64,870
+15,255
+31% +$107K
WU icon
1140
Western Union
WU
$2.34B
$362K ﹤0.01%
26,278
-1,124
-4% -$15.5K
EXG icon
1141
Eaton Vance Tax-Managed Global Diversified Equity Income Fund
EXG
$3.1B
$360K ﹤0.01%
47,638
– –
CNP icon
1142
CenterPoint Energy
CNP
$26.7B
$359K ﹤0.01%
11,980
-433
-3% -$12.6K
NBHC icon
1143
National Bank Holdings
NBHC
$1.95B
$358K ﹤0.01%
8,500
– –
ELF icon
1144
e.l.f. Beauty
ELF
$5.47B
$357K ﹤0.01%
6,452
– –
JKHY icon
1145
Jack Henry & Associates
JKHY
$11.1B
$357K ﹤0.01%
2,031
-335
-14% -$61.9K
AMBA icon
1146
Ambarella
AMBA
$3.59B
$356K ﹤0.01%
+4,330
New +$288K
VOYA icon
1147
Voya Financial
VOYA
$9.15B
$356K ﹤0.01%
5,786
+2
+0% +$128
EVTC icon
1148
Evertec
EVTC
$1.9B
$356K ﹤0.01%
10,984
+258
+2% +$8.48K
ABM icon
1149
ABM Industries
ABM
$2.82B
$355K ﹤0.01%
8,000
– –
SUSC icon
1150
iShares ESG Aware USD Corporate Bond ETF
SUSC
$1.29B
$353K ﹤0.01%
15,810
-771
-5% -$17.1K
44 45
46
47 48

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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.