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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
SYM icon
951
Symbotic
SYM
$5.43B
$647K ﹤0.01%
+28,320
New +$473K
KJAN icon
952
Innovator US Small Cap Power Buffer ETF January
KJAN
$328M
$636K ﹤0.01%
+20,695
New +$643K
GUNR icon
953
FlexShares Global Upstream Natural Resources Index Fund
GUNR
$7B
$636K ﹤0.01%
15,038
+2,032
+16% +$88.6K
VSTO
954
DELISTED
Vista Outdoor Inc.
VSTO
$635K ﹤0.01%
22,903
-14,496
-39% -$397K
ONB icon
955
Old National Bancorp
ONB
$10.4B
$633K ﹤0.01%
43,899
-3,399
-7% -$57.5K
FITB
956
Fifth Third Bancorp
FITB
$52.5B
$629K ﹤0.01%
23,599
-3,410
-13% -$113K
GIL icon
957
Gildan
GIL
$10.6B
$628K ﹤0.01%
18,919
-340
-2% -$10.5K
NACP icon
958
Impact Shares NAACP Minority Empowerment ETF
NACP
$77.7M
$625K ﹤0.01%
21,496
+2,860
+15% +$80.2K
EFOR
959
Everforth Inc
EFOR
$1.37B
$624K ﹤0.01%
7,552
-6
-0.1% -$520
MIDD icon
960
Middleby
MIDD
$5.29B
$623K ﹤0.01%
4,251
-195
-4% -$29K
JHMM icon
961
John Hancock Multifactor Mid Cap ETF
JHMM
$6.18B
$622K ﹤0.01%
12,995
+735
+6% +$35.7K
CWST icon
962
Casella Waste Systems
CWST
$5.79B
$622K ﹤0.01%
7,520
+1,488
+25% +$118K
GCMG icon
963
GCM Grosvenor
GCMG
$2.85B
$620K ﹤0.01%
79,386
+13,182
+20% +$109K
VNOM icon
964
Viper Energy
VNOM
$14.8B
$619K ﹤0.01%
22,100
– –
KKR icon
965
KKR & Co
KKR
$103B
$618K ﹤0.01%
11,775
+144
+1% +$7.73K
FANG icon
966
Diamondback Energy
FANG
$55.9B
$617K ﹤0.01%
4,567
+2,014
+79% +$281K
IYH icon
967
iShares US Healthcare ETF
IYH
$3.77B
$617K ﹤0.01%
11,300
-795
-7% -$43.6K
TIXT
968
DELISTED
TELUS International
TIXT
$612K ﹤0.01%
30,259
-1,538
-5% -$33.2K
PMAR icon
969
Innovator US Equity Power Buffer ETF March
PMAR
$771M
$610K ﹤0.01%
18,976
+18,521
+4,071% +$580K
PSA icon
970
Public Storage
PSA
$61.4B
$605K ﹤0.01%
2,003
-715
-26% -$210K
MAS icon
971
Masco
MAS
$14.7B
$604K ﹤0.01%
12,148
+5,905
+95% +$304K
MTTR
972
DELISTED
Matterport, Inc. Class A Common Stock
MTTR
$604K ﹤0.01%
221,138
– –
RVLV icon
973
Revolve Group
RVLV
$1.72B
$603K ﹤0.01%
22,937
+2,176
+10% +$56.2K
KMPR icon
974
Kemper
KMPR
$1.59B
$600K ﹤0.01%
10,981
– –
SSNC icon
975
SS&C Technologies
SSNC
$19.3B
$593K ﹤0.01%
10,492
-1,012
-9% -$58.3K
37 38
39
40 41

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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.