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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
MCHP icon
76
Microchip Technology
MCHP
$43.1B
$73.8M 0.32%
1,050,112
+23,122
+2% +$1.59M
VRSK icon
77
Verisk Analytics
VRSK
$23.5B
$72.4M 0.31%
410,178
-29,529
-7% -$5.19M
ADP icon
78
Automatic Data Processing
ADP
$107B
$72.2M 0.31%
302,453
-3,092
-1% -$759K
IUSV icon
79
iShares Core S&P US Value ETF
IUSV
$27.8B
$72M 0.31%
1,019,077
+32,277
+3% +$2.24M
P
80
Everpure Inc
P
$37B
$71.2M 0.31%
2,658,964
-170,254
-6% -$4.95M
IBM icon
81
IBM
IBM
$222B
$71.1M 0.31%
504,957
+14,587
+3% +$2.01M
RMD icon
82
ResMed
RMD
$32.8B
$70.6M 0.31%
339,190
+29,503
+10% +$6.48M
ROL icon
83
Rollins
ROL
$17.6B
$69.6M 0.3%
1,903,677
-161,866
-8% -$6.29M
PFE icon
84
Pfizer
PFE
$150B
$68.4M 0.3%
1,333,974
+75,619
+6% +$3.63M
EVH icon
85
Evolent Health
EVH
$471M
$66.6M 0.29%
2,371,359
+18,779
+0.8% +$538K
ORLY icon
86
O'Reilly Automotive
ORLY
$74.5B
$66M 0.29%
1,172,115
+15,390
+1% +$827K
LYV icon
87
Live Nation Entertainment
LYV
$43.2B
$60.9M 0.27%
873,837
+71,487
+9% +$5.3M
KMX icon
88
CarMax
KMX
$8.33B
$60.7M 0.26%
997,552
-392,835
-28% -$25.2M
SPGI icon
89
S&P Global
SPGI
$121B
$59.8M 0.26%
178,555
-11,839
-6% -$3.9M
MKC icon
90
McCormick & Company Non-Voting
MKC
$14.2B
$59.6M 0.26%
719,342
-39,626
-5% -$3.19M
BAH icon
91
Booz Allen Hamilton
BAH
$9.43B
$58.3M 0.25%
557,457
-5,359
-1% -$557K
USFR icon
92
WisdomTree Floating Rate Treasury Fund
USFR
$18.4B
$56.4M 0.25%
1,121,120
+344,221
+44% +$17.3M
CMG icon
93
Chipotle Mexican Grill
CMG
$41.3B
$56.3M 0.25%
2,030,350
+72,250
+4% +$2.16M
QQQ icon
94
Invesco QQQ Trust
QQQ
$481B
$55.4M 0.24%
208,161
+854
+0.4% +$236K
NVDA icon
95
NVIDIA
NVDA
$5.43T
$53.9M 0.23%
3,687,980
-610,930
-14% -$8.96M
GWRE icon
96
Guidewire Software
GWRE
$14.4B
$53.8M 0.23%
859,919
-200,852
-19% -$11.9M
DIS icon
97
Walt Disney
DIS
$178B
$53M 0.23%
610,586
-278,970
-31% -$26.7M
ABNB icon
98
Airbnb
ABNB
$108B
$53M 0.23%
619,660
-70,096
-10% -$7.08M
LOW icon
99
Lowe's Companies
LOW
$121B
$52.7M 0.23%
264,438
+5,463
+2% +$1.09M
XMTR icon
100
Xometry
XMTR
$5.34B
$52.6M 0.23%
1,633,224
-140,531
-8% -$6.56M
2 3
4
5 6

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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.