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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
+4.87%
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
+$909M
Cap. Flow
+$365M
Cap. Flow %
2.74%
Top 10 Hldgs %
18.02%
Holding
1,758
New
284
Increased
677
Reduced
459
Closed
116

Top Buys

Rank Stock Value
1
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$28.4M
2
WAB icon
Wabtec
WAB
+$24.8M
3
KRNT icon
Kornit Digital
KRNT
+$21.3M
4
AXP icon
American Express
AXP
+$18.2M
5
MSFT icon
Microsoft
MSFT
+$18.2M

Sector Composition

Rank Sector Weight
1 Healthcare 18.81%
2 Technology 16.26%
3 Financials 13.98%
4 Industrials 10.73%
5 Consumer Discretionary 9.39%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
CBM
701
DELISTED
Cambrex Corporation
CBM
$1.18M 0.01%
19,671
-11,650
-37% -$655K
BSX icon
702
Boston Scientific
BSX
$67.9B
$1.17M 0.01%
42,279
-1,100
-3% -$29.2K
SPH icon
703
Suburban Propane Partners
SPH
$1.23B
$1.17M 0.01%
49,010
+845
+2% +$20.9K
APU
704
DELISTED
AmeriGas Partners, L.P.
APU
$1.16M 0.01%
25,775
+37
+0.1% +$1.66K
IGF icon
705
iShares Global Infrastructure ETF
IGF
$10.9B
$1.16M 0.01%
26,389
-17,299
-40% -$756K
ADSK icon
706
Autodesk
ADSK
$49.4B
$1.14M 0.01%
11,300
-18,710
-62% -$1.85M
SUI icon
707
Sun Communities
SUI
$15.2B
$1.13M 0.01%
12,930
-1,675
-11% -$144K
AFSI
708
DELISTED
AmTrust Financial Services, Inc.
AFSI
$1.13M 0.01%
74,849
+9,945
+15% +$147K
SWK icon
709
Stanley Black & Decker
SWK
$14.4B
$1.13M 0.01%
8,011
+346
+5% +$47.5K
ANET icon
710
Arista Networks
ANET
$227B
$1.12M 0.01%
119,680
+36,864
+45% +$334K
CI icon
711
Cigna
CI
$74.8B
$1.12M 0.01%
6,667
+3,050
+84% +$490K
CNQ icon
712
Canadian Natural Resources
CNQ
$99.5B
$1.11M 0.01%
78,597
-11,361
-13% -$171K
WIFI
713
DELISTED
Boingo Wireless, Inc.
WIFI
$1.1M 0.01%
73,650
-18,725
-20% -$283K
DCI icon
714
Donaldson
DCI
$10.9B
$1.1M 0.01%
24,116
+830
+4% +$38.2K
NGG icon
715
National Grid
NGG
$80.5B
$1.1M 0.01%
+19,723
New +$1.2M
VAW icon
716
Vanguard Materials ETF
VAW
$2.96B
$1.09M 0.01%
8,968
+1,132
+14% +$136K
WAT icon
717
Waters Corp
WAT
$37.1B
$1.09M 0.01%
5,931
+1,587
+37% +$276K
NUE icon
718
Nucor
NUE
$58.7B
$1.09M 0.01%
18,794
+14,249
+314% +$836K
HDB icon
719
HDFC Bank
HDB
$122B
$1.09M 0.01%
49,944
+21,200
+74% +$443K
SPNC
720
DELISTED
Spectranetics Corp
SPNC
$1.08M 0.01%
28,100
+5,600
+25% +$162K
CDW icon
721
CDW
CDW
$18.8B
$1.07M 0.01%
17,161
+1,454
+9% +$87K
FSP
722
Franklin Street Properties
FSP
$46.9M
$1.07M 0.01%
96,193
-5,000
-5% -$57.9K
IEI icon
723
iShares 3-7 Year Treasury Bond ETF
IEI
$18.1B
$1.06M 0.01%
+8,564
New +$1.06M
BP icon
724
CALL
BP
BP
$115B
$1.06M 0.01%
34,403
+1,720
+5% +$53.5K
DSI icon
725
iShares MSCI KLD 400 Social ETF
DSI
$5.29B
$1.06M 0.01%
23,670

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William Blair & Company's Q2 2017 Portfolio in Review

As of Q2 2017, William Blair & Company held 1,758 positions worth $13.3B, up 7.3% from $12.4B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair & Company's Q2 2017 filing shows 284 new, 677 increased, 459 reduced and 116 closed positions. Its largest new stake was Bob Evans Farms, Inc.: 219,278 shares worth $15.8M. The largest sale was Mobileye N.V., an estimated $60.9M.

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

  • William Blair & Company's largest Q2 2017 buy was Bob Evans Farms, Inc.: 219,278 shares worth $15.8M.
  • William Blair & Company added most to Alphabet (Google) Class A in Q2 2017, an estimated $28.4M increase.
  • William Blair & Company's biggest Q2 2017 reduction was Mobileye N.V., cutting an estimated $60.9M.
  • William Blair & Company fully exited Nord Anglia Education, Inc. in Q2 2017, selling an estimated $17.5M.
  • William Blair & Company's ten largest holdings make up 18% of its $13.3B portfolio in Q2 2017.
  • William Blair & Company opened 284 new positions and closed 116 in Q2 2017.
  • William Blair & Company's portfolio value rose 7.3% quarter-over-quarter to $13.3B.

Based on William Blair & Company's 13F filing for Q2 2017, filed 4 Aug 2017.