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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
UPS icon
126
United Parcel Service
UPS
$88.4B
$37.8M 0.16%
217,702
-9,266
-4% -$1.6M
VUG icon
127
Vanguard Morningstar Growth ETF
VUG
$229B
$37.4M 0.16%
1,052,496
+63,294
+6% +$2.33M
PXD
128
DELISTED
Pioneer Natural Resource Co.
PXD
$37.1M 0.16%
162,444
-38
-0% -$9.25K
UBER icon
129
Uber
UBER
$154B
$36.8M 0.16%
1,487,729
-193,797
-12% -$5.3M
EMR icon
130
Emerson Electric
EMR
$91.4B
$35.5M 0.15%
369,786
+5,365
+1% +$482K
ONT
131
Onterris Inc
ONT
$576M
$35.5M 0.15%
799,041
+46,433
+6% +$1.96M
MDY icon
132
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27.2B
$35M 0.15%
79,025
-2,230
-3% -$986K
CME icon
133
CME Group
CME
$94.3B
$34.8M 0.15%
206,730
-8,689
-4% -$1.51M
MDB icon
134
MongoDB
MDB
$35.2B
$34.7M 0.15%
176,458
+21,170
+14% +$3.77M
GWW icon
135
W.W. Grainger
GWW
$61.5B
$34.7M 0.15%
62,420
-1,697
-3% -$958K
SCHW
136
Charles Schwab
SCHW
$189B
$34.6M 0.15%
415,121
+23,654
+6% +$1.84M
MSI icon
137
Motorola Solutions
MSI
$77.7B
$34.3M 0.15%
132,993
+80,311
+152% +$20.1M
YETI icon
138
Yeti Holdings
YETI
$3.85B
$34.1M 0.15%
826,185
-4,979
-0.6% -$187K
PWSC
139
DELISTED
PowerSchool Holdings, Inc.
PWSC
$33.6M 0.15%
1,455,686
+265,988
+22% +$5.21M
FTV icon
140
Fortive
FTV
$18.6B
$33.6M 0.15%
693,821
-177,770
-20% -$8.61M
NOVT icon
141
Novanta
NOVT
$6.32B
$32.9M 0.14%
241,894
+206,091
+576% +$28.8M
IT icon
142
Gartner
IT
$11.3B
$31.9M 0.14%
94,791
+41,460
+78% +$13.4M
AVGO icon
143
Broadcom
AVGO
$1.98T
$31.5M 0.14%
562,660
-42,980
-7% -$2.16M
IWD icon
144
iShares Russell 1000 Value ETF
IWD
$84B
$30.8M 0.13%
203,116
-119,784
-37% -$17.9M
CSCO icon
145
Cisco
CSCO
$488B
$30.5M 0.13%
640,245
-13,512
-2% -$615K
RTX icon
146
RTX Corp
RTX
$300B
$30.2M 0.13%
299,580
+10,936
+4% +$1.03M
SYY icon
147
Sysco
SYY
$40.5B
$30.2M 0.13%
394,732
+8,953
+2% +$723K
META icon
148
Meta Platforms (Facebook)
META
$1.47T
$30M 0.13%
249,538
-89,993
-27% -$10.6M
TEAM icon
149
Atlassian
TEAM
$39.4B
$29.6M 0.13%
+230,078
New +$36.6M
CAT icon
150
Caterpillar
CAT
$393B
$29.5M 0.13%
123,345
-1,553
-1% -$338K
4 5
6
7 8

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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.