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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
HDB icon
701
HDFC Bank
HDB
$123B
$1.09M 0.01%
45,268
-4,676
-9% -$111K
SIEN
702
DELISTED
Sientra, Inc.
SIEN
$1.09M 0.01%
7,081
+1,456
+26% +$171K
CBM
703
DELISTED
Cambrex Corporation
CBM
$1.09M 0.01%
19,831
+160
+0.8% +$8.81K
WPZ
704
DELISTED
Williams Partners L.P.
WPZ
$1.09M 0.01%
27,968
-199,101
-88% -$7.87M
IEI icon
705
iShares 3-7 Year Treasury Bond ETF
IEI
$18.1B
$1.09M 0.01%
8,789
+225
+3% +$27.9K
HEDJ icon
706
WisdomTree Europe Hedged Equity Fund
HEDJ
$1.83B
$1.07M 0.01%
33,208
-22,068
-40% -$692K
WAT icon
707
Waters Corp
WAT
$37B
$1.07M 0.01%
5,981
+50
+0.8% +$9.07K
BETR
708
DELISTED
Amplify Snack Brands, Inc.
BETR
$1.07M 0.01%
151,501
-6,354
-4% -$52.3K
NLSN
709
DELISTED
Nielsen Holdings plc
NLSN
$1.07M 0.01%
25,719
-26,480
-51% -$1.06M
EZU icon
710
iShare MSCI Eurozone ETF
EZU
$9.64B
$1.06M 0.01%
24,583
+502
+2% +$21K
RCL icon
711
Royal Caribbean
RCL
$85.1B
$1.06M 0.01%
8,938
+289
+3% +$33.8K
LHX icon
712
L3Harris
LHX
$51.6B
$1.06M 0.01%
8,017
-47
-0.6% -$5.64K
PRU icon
713
Prudential Financial
PRU
$42.4B
$1.05M 0.01%
9,872
+113
+1% +$12.1K
ZOES
714
DELISTED
Zoe's Kitchen, Inc.
ZOES
$1.05M 0.01%
83,126
+22,725
+38% +$277K
CY
715
DELISTED
Cypress Semiconductor
CY
$1.05M 0.01%
69,800
-3,100
-4% -$43.4K
NUAN
716
DELISTED
Nuance Communications, Inc.
NUAN
$1.04M 0.01%
76,670
+14,526
+23% +$207K
ROK icon
717
Rockwell Automation
ROK
$53.4B
$1.04M 0.01%
5,838
+424
+8% +$70.6K
ARW icon
718
Arrow Electronics
ARW
$11.1B
$1.03M 0.01%
12,845
– –
TRI icon
719
Thomson Reuters
TRI
$42.8B
$1.02M 0.01%
19,230
+186
+1% +$9.93K
FSP
720
Franklin Street Properties
FSP
$47.2M
$1.02M 0.01%
96,193
– –
VIS icon
721
Vanguard Industrials ETF
VIS
$8.1B
$1.01M 0.01%
7,563
+1,168
+18% +$151K
AFSI
722
DELISTED
AmTrust Financial Services, Inc.
AFSI
$1.01M 0.01%
75,074
+225
+0.3% +$3.17K
KBE icon
723
State Street SPDR S&P Bank ETF
KBE
$1.64B
$1M 0.01%
22,290
+100
+0.5% +$4.29K
CDW icon
724
CDW
CDW
$18.9B
$998K 0.01%
15,127
-2,034
-12% -$127K
TMX
725
DELISTED
Terminix Global Holdings, Inc.
TMX
$995K 0.01%
31,776
-5,706
-15% -$168K
27 28
29
30 31

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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.