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William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
+7.4%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+512.03%
AUM
$14.7B
AUM Growth
+$1.4B
Cap. Flow
+$534M
Cap. Flow %
3.62%
Top 10 Hldgs %
19%
Holding
1,488
New
131
Increased
528
Reduced
556
Closed
127

Top Sells

Rank Stock Value
1
ZD icon
Ziff Davis
ZD
+$22.1M
2
GE icon
GE Aerospace
GE
+$19.1M
3
EFX icon
Equifax
EFX
+$17.7M
4
NUVA
NuVasive, Inc.
NUVA
+$17.1M
5
WBA
Walgreens Boots Alliance
WBA
+$13.6M

Sector Composition

Rank Sector Weight
1 Healthcare 17.74%
2 Technology 17.58%
3 Financials 14.76%
4 Industrials 10.83%
5 Consumer Discretionary 9.09%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
AMTD
1126
DELISTED
TD Ameritrade Holding Corp
AMTD
$302K ﹤0.01%
5,910
AIVL icon
1127
WisdomTree US AI Enhanced Value Fund
AIVL
$428M
$301K ﹤0.01%
3,400
SON icon
1128
Sonoco
SON
$5.57B
$301K ﹤0.01%
5,671
+149
+3% +$7.8K
ETSY icon
1129
Etsy
ETSY
$7.75B
$299K ﹤0.01%
+14,630
New +$258K
FTS icon
1130
Fortis
FTS
$29B
$299K ﹤0.01%
8,152
SWKS icon
1131
Skyworks Solutions
SWKS
$9.37B
$299K ﹤0.01%
3,150
-2,356
-43% -$246K
PLD icon
1132
Prologis
PLD
$135B
$298K ﹤0.01%
4,627
-14
-0.3% -$914
PBYI icon
1133
Puma Biotechnology
PBYI
$404M
$297K ﹤0.01%
3,000
NXPI icon
1134
NXP Semiconductors
NXPI
$57.8B
$296K ﹤0.01%
2,525
+596
+31% +$68.8K
Y
1135
DELISTED
Alleghany Corp
Y
$296K ﹤0.01%
496
ZION icon
1136
Zions Bancorporation
ZION
$10.2B
$295K ﹤0.01%
5,806
CF icon
1137
CF Industries
CF
$19.2B
$290K ﹤0.01%
+6,815
New +$257K
IPAR icon
1138
Interparfums
IPAR
$3.99B
$290K ﹤0.01%
6,683
BHF icon
1139
Brighthouse Financial
BHF
$3.56B
$289K ﹤0.01%
4,921
-2,132
-30% -$126K
SKYY icon
1140
PUT
First Trust Cloud Computing ETF
SKYY
$2.92B
$289K ﹤0.01%
+6,294
New +$279K
CASS icon
1141
Cass Information Systems
CASS
$714M
$286K ﹤0.01%
5,897
-1,599
-21% -$79.9K
NTAP icon
1142
NetApp
NTAP
$35B
$286K ﹤0.01%
5,170
OTEX icon
1143
Open Text
OTEX
$6.15B
$285K ﹤0.01%
8,000
DVA icon
1144
DaVita
DVA
$15.4B
$284K ﹤0.01%
3,936
-260
-6% -$16K
EWZ icon
1145
iShares MSCI Brazil ETF
EWZ
$9.28B
$284K ﹤0.01%
7,025
+1,367
+24% +$55.3K
DES icon
1146
WisdomTree US SmallCap Dividend Fund
DES
$2.18B
$283K ﹤0.01%
9,737
+5
+0.1% +$143
DLTR icon
1147
Dollar Tree
DLTR
$24.4B
$283K ﹤0.01%
2,638
+172
+7% +$16.8K
MMYT icon
1148
MakeMyTrip
MMYT
$5.36B
$281K ﹤0.01%
9,400
-500
-5% -$13.8K
APAM icon
1149
Artisan Partners
APAM
$2.79B
$280K ﹤0.01%
7,094
-1,860
-21% -$69K
ECON icon
1150
Columbia Emerging Markets Consumer ETF
ECON
$328M
$279K ﹤0.01%
+9,915
New +$275K

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William Blair & Company's Q4 2017 Portfolio in Review

As of Q4 2017, William Blair & Company held 1,488 positions worth $14.7B, up 10% from $13.3B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair & Company deployed $534M of net new capital in Q4 2017, opening 131 new positions and adding to 528 existing holdings. Its largest new stake was Dynavax Technologies: 1,980,526 shares worth $37M.

By sector, the portfolio is most concentrated in Healthcare at 18% of assets, down from 19% a quarter earlier, followed by Technology and Financials.

On the sell side, the largest reduction was Ziff Davis, an estimated $22.1M trimmed.

  • William Blair & Company's largest Q4 2017 buy was Dynavax Technologies: 1,980,526 shares worth $37M.
  • William Blair & Company added most to Alphabet (Google) Class C in Q4 2017, an estimated $138M increase.
  • William Blair & Company's biggest Q4 2017 reduction was Ziff Davis, cutting an estimated $22.1M.
  • William Blair & Company fully exited Bob Evans Farms, Inc. in Q4 2017, selling an estimated $12.5M.
  • William Blair & Company's ten largest holdings make up 19% of its $14.7B portfolio in Q4 2017.
  • William Blair & Company opened 131 new positions and closed 127 in Q4 2017.
  • William Blair & Company's portfolio value rose 10% quarter-over-quarter to $14.7B.

Based on William Blair & Company's 13F filing for Q4 2017, filed 14 Feb 2018.