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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
WAB icon
101
Wabtec
WAB
$49.9B
$52.5M 0.23%
526,131
+29,964
+6% +$2.86M
SPT icon
102
Sprout Social
SPT
$579M
$50.7M 0.22%
897,796
-38,720
-4% -$2.27M
GD icon
103
General Dynamics
GD
$107B
$50.3M 0.22%
202,565
+1,229
+0.6% +$300K
XOM icon
104
ExxonMobil
XOM
$657B
$49.8M 0.22%
451,634
-8,529
-2% -$914K
TXN icon
105
Texas Instruments
TXN
$253B
$49.4M 0.21%
298,770
-14,285
-5% -$2.38M
EFA icon
106
iShares MSCI EAFE ETF
EFA
$80.2B
$48.6M 0.21%
740,696
-37,594
-5% -$2.36M
CVS icon
107
CVS Health
CVS
$121B
$48.5M 0.21%
520,918
-14,613
-3% -$1.41M
IWM icon
108
iShares Russell 2000 ETF
IWM
$82.2B
$48.3M 0.21%
277,104
+6,528
+2% +$1.16M
BA icon
109
Boeing
BA
$183B
$48.3M 0.21%
253,581
+7,045
+3% +$1.15M
BLK icon
110
Blackrock
BLK
$180B
$47.5M 0.21%
67,032
-7,978
-11% -$5.33M
PLNT icon
111
Planet Fitness
PLNT
$3.65B
$46.7M 0.2%
593,009
-8,047
-1% -$561K
VOO icon
112
Vanguard S&P 500 ETF
VOO
$1.03T
$46.2M 0.2%
131,566
+15,238
+13% +$5.38M
FLYW icon
113
Flywire
FLYW
$2.12B
$44.7M 0.19%
1,825,429
+597,807
+49% +$12.9M
GILD icon
114
Gilead Sciences
GILD
$168B
$44.6M 0.19%
519,914
+34,625
+7% +$2.74M
BAC icon
115
Bank of America
BAC
$453B
$44.6M 0.19%
1,347,517
-24,098
-2% -$830K
NKE icon
116
Nike
NKE
$60.1B
$43.8M 0.19%
374,394
+11,405
+3% +$1.15M
SPLK
117
DELISTED
Splunk Inc
SPLK
$43.7M 0.19%
507,998
-162,949
-24% -$13.2M
NEE icon
118
NextEra Energy
NEE
$179B
$43M 0.19%
514,357
-1,475
-0.3% -$119K
IWV icon
119
iShares Russell 3000 ETF
IWV
$20.4B
$42.9M 0.19%
194,347
+1,870
+1% +$416K
HON icon
120
Honeywell
HON
$74.6B
$42.8M 0.19%
211,849
+1,508
+0.7% +$288K
BSV icon
121
Vanguard Short-Term Bond ETF
BSV
$45.6B
$42.6M 0.19%
565,599
-29,793
-5% -$2.24M
ALGN icon
122
Align Technology
ALGN
$12.4B
$42.2M 0.18%
199,885
+6,600
+3% +$1.32M
QCOM icon
123
Qualcomm
QCOM
$171B
$39.8M 0.17%
362,209
-28,141
-7% -$3.29M
ULTA icon
124
Ulta Beauty
ULTA
$22.9B
$38.4M 0.17%
81,905
+7,256
+10% +$3.13M
RBA icon
125
RB Global
RBA
$16B
$38M 0.17%
657,280
-7,502
-1% -$437K
3 4
5
6 7

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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.