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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
+10.3%
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
$25B
AUM Growth
+$2.04B
Cap. Flow
+$116M
Cap. Flow %
0.46%
Top 10 Hldgs %
23.68%
Holding
1,879
New
69
Increased
680
Reduced
748
Closed
78

Top Buys

Rank Stock Value
1
NEOG icon
Neogen
NEOG
+$45.2M
2
PGR icon
Progressive
PGR
+$34.8M
3
TOST icon
Toast
TOST
+$33.8M
4
PWSC
PowerSchool Holdings, Inc.
PWSC
+$33.4M
5
UBER icon
Uber
UBER
+$30.4M

Top Sells

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$54.2M
2
LULU icon
lululemon athletica
LULU
+$53.4M
3
PYPL icon
PayPal
PYPL
+$45.8M
4
BAH icon
Booz Allen Hamilton
BAH
+$20.2M
5
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$17.8M

Sector Composition

Rank Sector Weight
1 Technology 24.61%
2 Healthcare 19.42%
3 Financials 11.75%
4 Industrials 11.37%
5 Consumer Discretionary 8.4%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
KMX icon
101
CarMax
KMX
$8.33B
$56.4M 0.23%
877,007
-120,545
-12% -$8.07M
P
102
Everpure Inc
P
$37B
$55.9M 0.22%
2,189,927
-469,037
-18% -$12.7M
PYPL icon
103
PayPal
PYPL
$50.6B
$55.6M 0.22%
731,563
-595,089
-45% -$45.8M
SPT icon
104
Sprout Social
SPT
$579M
$54.9M 0.22%
901,469
+3,673
+0.4% +$225K
TXN icon
105
Texas Instruments
TXN
$253B
$54.9M 0.22%
295,029
-3,741
-1% -$658K
WAB icon
106
Wabtec
WAB
$49.9B
$54.5M 0.22%
539,122
+12,991
+2% +$1.33M
IWM icon
107
iShares Russell 2000 ETF
IWM
$82.2B
$54M 0.22%
302,661
+25,557
+9% +$4.71M
PFE icon
108
Pfizer
PFE
$150B
$53.3M 0.21%
1,305,217
-28,757
-2% -$1.24M
LOW icon
109
Lowe's Companies
LOW
$121B
$52.7M 0.21%
263,737
-701
-0.3% -$142K
MSI icon
110
Motorola Solutions
MSI
$77.7B
$52.4M 0.21%
183,132
+50,139
+38% +$13.2M
VOO icon
111
Vanguard S&P 500 ETF
VOO
$1.03T
$52.3M 0.21%
139,146
+7,580
+6% +$2.78M
META icon
112
Meta Platforms (Facebook)
META
$1.47T
$51.4M 0.21%
242,534
-7,004
-3% -$1.19M
XOM icon
113
ExxonMobil
XOM
$657B
$51.1M 0.2%
465,662
+14,028
+3% +$1.55M
GD icon
114
General Dynamics
GD
$107B
$49.1M 0.2%
214,955
+12,390
+6% +$2.86M
PLNT icon
115
Planet Fitness
PLNT
$3.65B
$48.2M 0.19%
620,226
+27,217
+5% +$2.17M
SPLK
116
DELISTED
Splunk Inc
SPLK
$48M 0.19%
500,897
-7,101
-1% -$681K
TSLA icon
117
Tesla
TSLA
$1.29T
$47.1M 0.19%
227,144
+42,066
+23% +$7.34M
IWV icon
118
iShares Russell 3000 ETF
IWV
$20.4B
$46.7M 0.19%
198,206
+3,859
+2% +$891K
NKE icon
119
Nike
NKE
$60.1B
$46.5M 0.19%
378,982
+4,588
+1% +$564K
BLK icon
120
Blackrock
BLK
$180B
$45M 0.18%
67,199
+167
+0.2% +$118K
NEOG icon
121
Neogen
NEOG
$2.5B
$44.5M 0.18%
+2,404,277
New +$45.2M
QCOM icon
122
Qualcomm
QCOM
$171B
$43.5M 0.17%
340,839
-21,370
-6% -$2.66M
VUG icon
123
Vanguard Morningstar Growth ETF
VUG
$229B
$43.1M 0.17%
1,036,008
-16,488
-2% -$641K
UPS icon
124
United Parcel Service
UPS
$88.4B
$42.6M 0.17%
219,361
+1,659
+0.8% +$304K
NOVT icon
125
Novanta
NOVT
$6.32B
$42.3M 0.17%
265,644
+23,750
+10% +$3.65M
3 4
5
6 7

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William Blair & Company's Q1 2023 Portfolio in Review

As of Q1 2023, William Blair & Company held 1,879 positions worth $25B, up 8.9% from $23B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q1 2023 filing shows 69 new, 680 increased, 748 reduced and 78 closed positions. Its largest new stake was Neogen: 2,404,277 shares worth $44.5M. The largest sale was Alphabet (Google) Class C, an estimated $54.2M.

By sector, the portfolio is most concentrated in Technology at 25% of assets, up from 22% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q1 2023 buy was Neogen: 2,404,277 shares worth $44.5M.
  • William Blair & Company added most to Progressive in Q1 2023, an estimated $34.8M increase.
  • William Blair & Company's biggest Q1 2023 reduction was Alphabet (Google) Class C, cutting an estimated $54.2M.
  • William Blair & Company fully exited Coupa Software Incorporated in Q1 2023, selling an estimated $2.65M.
  • William Blair & Company's ten largest holdings make up 24% of its $25B portfolio in Q1 2023.
  • William Blair & Company opened 69 new positions and closed 78 in Q1 2023.
  • William Blair & Company's portfolio value rose 8.9% quarter-over-quarter to $25B.

Based on William Blair & Company's 13F filing for Q1 2023, filed 12 May 2023.