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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
-3.85%
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
$26.1B
AUM Growth
-$1.22B
Cap. Flow
+$114M
Cap. Flow %
0.44%
Top 10 Hldgs %
23.71%
Holding
1,877
New
67
Increased
674
Reduced
719
Closed
85

Top Buys

Rank Stock Value
1
KVUE icon
Kenvue
KVUE
+$32.2M
2
LZ icon
LegalZoom.com
LZ
+$26.6M
3
CRWD icon
CrowdStrike
CRWD
+$24M
4
CSGP icon
CoStar Group
CSGP
+$20.8M
5
GNRC icon
Generac Holdings
GNRC
+$18.3M

Top Sells

Rank Stock Value
1
AAPL icon
Apple
AAPL
+$37.6M
2
PODD icon
Insulet
PODD
+$37.3M
3
NVDA icon
NVIDIA
NVDA
+$24.8M
4
ATVI
Activision Blizzard
ATVI
+$20.6M
5
SBUX icon
Starbucks
SBUX
+$17.8M

Sector Composition

Rank Sector Weight
1 Technology 25.36%
2 Healthcare 17.61%
3 Financials 12.07%
4 Industrials 11.66%
5 Consumer Discretionary 8.39%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
WK icon
1226
Workiva
WK
$4.01B
$301K ﹤0.01%
2,967
+312
+12% +$32.4K
SMLF icon
1227
iShares US Small Cap Equity Factor ETF
SMLF
$4.32B
$300K ﹤0.01%
5,804
– –
MAN icon
1228
ManpowerGroup
MAN
$2.75B
$300K ﹤0.01%
4,089
+1,442
+54% +$112K
PKG icon
1229
Packaging Corp of America
PKG
$22.9B
$300K ﹤0.01%
1,951
+4
+0.2% +$584
UYG icon
1230
ProShares Ultra Financials
UYG
$863M
$299K ﹤0.01%
6,855
– –
NSSC icon
1231
Napco Security Technologies
NSSC
$1.37B
$299K ﹤0.01%
13,430
– –
GRID
1232
First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund
GRID
$12.3B
$298K ﹤0.01%
3,178
+612
+24% +$61.8K
MGEE icon
1233
MGE Energy Inc
MGEE
$3.06B
$298K ﹤0.01%
4,350
-367
-8% -$27.8K
EQT icon
1234
EQT Corp
EQT
$33.8B
$296K ﹤0.01%
7,297
-619
-8% -$25.6K
TFI icon
1235
State Street SPDR Nuveen ICE Municipal Bond ETF
TFI
$3.18B
$295K ﹤0.01%
6,760
+3,811
+129% +$173K
WU icon
1236
Western Union
WU
$2.34B
$295K ﹤0.01%
22,398
-3,200
-13% -$39.2K
ARE icon
1237
Alexandria Real Estate Equities
ARE
$8.33B
$295K ﹤0.01%
2,943
+506
+21% +$58.8K
DAR icon
1238
Darling Ingredients
DAR
$10.4B
$294K ﹤0.01%
5,634
+420
+8% +$26.2K
IPGP icon
1239
IPG Photonics
IPGP
$3.57B
$293K ﹤0.01%
2,885
– –
NTLA icon
1240
Intellia Therapeutics
NTLA
$1.66B
$292K ﹤0.01%
9,250
– –
TDW icon
1241
Tidewater
TDW
$4.55B
$292K ﹤0.01%
4,106
– –
HLI icon
1242
Houlihan Lokey
HLI
$9.24B
$290K ﹤0.01%
+2,711
New +$280K
IXJ icon
1243
iShares Global Healthcare ETF
IXJ
$4.23B
$290K ﹤0.01%
3,519
+43
+1% +$3.65K
SOVO
1244
DELISTED
Sovos Brands, Inc. Common Stock
SOVO
$289K ﹤0.01%
12,834
-74,343
-85% -$1.56M
ROBO icon
1245
ROBO Global Robotics & Automation Index ETF
ROBO
$2.13B
$289K ﹤0.01%
5,735
-854
-13% -$46.9K
VOD icon
1246
Vodafone
VOD
$37.5B
$289K ﹤0.01%
30,448
-11,227
-27% -$106K
ALC icon
1247
Alcon
ALC
$35.5B
$288K ﹤0.01%
3,738
-1,226
-25% -$101K
WRB icon
1248
W.R. Berkley
WRB
$26.2B
$287K ﹤0.01%
6,789
-1,046
-13% -$43.3K
PPH icon
1249
VanEck Pharmaceutical ETF
PPH
$991M
$287K ﹤0.01%
3,588
+2,706
+307% +$218K
PNW icon
1250
Pinnacle West Capital
PNW
$12.2B
$286K ﹤0.01%
3,882
-177
-4% -$14K
48 49
50
51 52

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William Blair & Company's Q3 2023 Portfolio in Review

As of Q3 2023, William Blair & Company held 1,877 positions worth $26.1B, down 4.5% from $27.3B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q3 2023 filing shows 67 new, 674 increased, 719 reduced and 85 closed positions. Its largest new stake was Kenvue: 1,391,743 shares worth $27.9M. The largest sale was Apple, an estimated $37.6M.

By sector, the portfolio is most concentrated in Technology at 25% of assets, down from 26% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2023 buy was Kenvue: 1,391,743 shares worth $27.9M.
  • William Blair & Company added most to LegalZoom.com in Q3 2023, an estimated $26.6M increase.
  • William Blair & Company's biggest Q3 2023 reduction was Apple, cutting an estimated $37.6M.
  • William Blair & Company fully exited Activision Blizzard in Q3 2023, selling an estimated $20.6M.
  • William Blair & Company's ten largest holdings make up 24% of its $26.1B portfolio in Q3 2023.
  • William Blair & Company opened 67 new positions and closed 85 in Q3 2023.
  • William Blair & Company's portfolio value fell 4.5% quarter-over-quarter to $26.1B.

Based on William Blair & Company's 13F filing for Q3 2023, filed 9 Nov 2023.