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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
+4.57%
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
$13.3B
AUM Growth
+$17.7M
Cap. Flow
-$449M
Cap. Flow %
-3.37%
Top 10 Hldgs %
18.64%
Holding
1,772
New
130
Increased
581
Reduced
525
Closed
417

Top Buys

Rank Stock Value
1
WSO icon
Watsco Inc
WSO
+$36.3M
2
BL icon
BlackLine
BL
+$21.8M
3
EVH icon
Evolent Health
EVH
+$19.6M
4
PGR icon
Progressive
PGR
+$17.2M
5
JPM icon
JPMorgan Chase
JPM
+$16.9M

Top Sells

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$115M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$66M
3
COST icon
Costco
COST
+$33M
4
XRAY icon
Dentsply Sirona
XRAY
+$30.5M
5
PRAA icon
PRA Group
PRAA
+$24.5M

Sector Composition

Rank Sector Weight
1 Healthcare 18.86%
2 Technology 17.6%
3 Financials 14.62%
4 Industrials 10.54%
5 Consumer Discretionary 8.84%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
BAC icon
101
Bank of America
BAC
$433B
$34.7M 0.26%
1,370,308
+152,505
+13% +$3.7M
SU icon
102
Suncor Energy
SU
$78.8B
$34.5M 0.26%
985,035
-48,682
-5% -$1.55M
EXEL icon
103
Exelixis
EXEL
$14.1B
$34.2M 0.26%
1,413,342
-72,752
-5% -$1.94M
PFE icon
104
Pfizer
PFE
$142B
$34M 0.25%
1,002,339
+17,401
+2% +$559K
JBHT icon
105
JB Hunt Transport Services
JBHT
$25.3B
$32.8M 0.25%
295,619
-5,444
-2% -$527K
ISRG icon
106
Intuitive Surgical
ISRG
$126B
$32M 0.24%
275,553
-4,995
-2% -$544K
UNH icon
107
UnitedHealth
UNH
$383B
$31.4M 0.24%
160,242
+25,615
+19% +$4.95M
CTAS icon
108
Cintas
CTAS
$82.7B
$31.1M 0.23%
861,052
+13,092
+2% +$436K
BLK icon
109
Blackrock
BLK
$170B
$31M 0.23%
69,445
-109
-0.2% -$46.5K
LLY icon
110
Eli Lilly
LLY
$1.03T
$30.6M 0.23%
357,539
+77,956
+28% +$6.39M
EXAS
111
DELISTED
Exact Sciences
EXAS
$30.5M 0.23%
647,116
+21,135
+3% +$851K
VWO icon
112
Vanguard FTSE Emerging Markets ETF
VWO
$119B
$30.4M 0.23%
697,153
+20,904
+3% +$905K
IRM icon
113
Iron Mountain
IRM
$37.1B
$29.7M 0.22%
764,637
+6,158
+0.8% +$230K
ZD icon
114
Ziff Davis
ZD
$1.94B
$29.7M 0.22%
462,711
+34,168
+8% +$2.31M
KMI icon
115
Kinder Morgan
KMI
$70.5B
$28.6M 0.21%
1,493,208
-18,751
-1% -$365K
IEMG icon
116
iShares Core MSCI Emerging Markets ETF
IEMG
$149B
$28.6M 0.21%
529,699
+29,445
+6% +$1.56M
CERN
117
DELISTED
Cerner Corp
CERN
$28.3M 0.21%
397,328
-22,059
-5% -$1.46M
BABA icon
118
Alibaba
BABA
$279B
$27.9M 0.21%
161,413
+3,169
+2% +$514K
WAGE
119
DELISTED
WageWorks, Inc.
WAGE
$27.8M 0.21%
457,624
-120,884
-21% -$7.36M
MRK icon
120
Merck
MRK
$321B
$27.5M 0.21%
450,237
+10,569
+2% +$641K
PAYX icon
121
Paychex
PAYX
$41.4B
$26.9M 0.2%
448,134
-45,594
-9% -$2.6M
BL icon
122
BlackLine
BL
$1.8B
$26.5M 0.2%
778,034
+643,709
+479% +$21.8M
AON icon
123
Aon
AON
$78.3B
$26.3M 0.2%
180,133
+4,377
+2% +$611K
NVRO
124
DELISTED
NEVRO CORP.
NVRO
$26M 0.2%
286,259
+17,886
+7% +$1.53M
DD icon
125
DuPont de Nemours
DD
$18.7B
$25.7M 0.19%
146,837
+57,666
+65% +$9.62M
3 4
5
6 7

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William Blair & Company's Q3 2017 Portfolio in Review

As of Q3 2017, William Blair & Company held 1,772 positions worth $13.3B, up 0.13% from $13.3B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair & Company withdrew a net $449M in Q3 2017, closing 417 positions and reducing 525 holdings. Its most notable exit was Dave & Buster's, an estimated $20.3M position sold in full.

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

Against the trend, William Blair & Company opened a new position in Quantenna Communications, Inc. Common Stock worth $9.07M.

  • William Blair & Company's largest Q3 2017 buy was Quantenna Communications, Inc. Common Stock: 539,590 shares worth $9.07M.
  • William Blair & Company added most to Watsco Inc in Q3 2017, an estimated $36.3M increase.
  • William Blair & Company's biggest Q3 2017 reduction was Alphabet (Google) Class C, cutting an estimated $115M.
  • William Blair & Company fully exited Dave & Buster's in Q3 2017, selling an estimated $20.3M.
  • William Blair & Company's ten largest holdings make up 19% of its $13.3B portfolio in Q3 2017.
  • William Blair & Company opened 130 new positions and closed 417 in Q3 2017.
  • William Blair & Company's portfolio value rose 0.13% quarter-over-quarter to $13.3B.

Based on William Blair & Company's 13F filing for Q3 2017, filed 13 Nov 2017.