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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 Buys

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$138M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$63.1M
3
DVAX
Dynavax Technologies
DVAX
+$39.8M
4
VEU icon
Vanguard FTSE All-World ex-US ETF
VEU
+$27.3M
5
VEEV icon
Veeva Systems
VEEV
+$16.3M

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
CM icon
1051
Canadian Imperial Bank of Commerce
CM
$108B
$379K ﹤0.01%
7,776
+768
+11% +$35K
J icon
1052
Jacobs Solutions
J
$15.9B
$379K ﹤0.01%
6,938
-1,019
-13% -$52.3K
HOME
1053
DELISTED
At Home Group Inc.
HOME
$379K ﹤0.01%
12,484
-5,320
-30% -$129K
ARCC icon
1054
Ares Capital
ARCC
$13.5B
$378K ﹤0.01%
24,046
+942
+4% +$15.3K
BECN
1055
DELISTED
Beacon Roofing Supply, Inc.
BECN
$375K ﹤0.01%
5,882
-1,500
-20% -$86.2K
IYF icon
1056
iShares US Financials ETF
IYF
$4.67B
$373K ﹤0.01%
6,250
+1,390
+29% +$80.7K
PSLV icon
1057
Sprott Physical Silver Trust
PSLV
$12B
$373K ﹤0.01%
58,813
+14,150
+32% +$88.8K
ENLC
1058
DELISTED
ENLINK MIDSTREAM, LLC
ENLC
$370K ﹤0.01%
21,025
-6,105
-23% -$100K
DWM icon
1059
WisdomTree International Equity Fund
DWM
$679M
$369K ﹤0.01%
6,611
+1
+0% +$55
A icon
1060
Agilent Technologies
A
$39.1B
$367K ﹤0.01%
5,478
+53
+1% +$3.58K
MGEE icon
1061
MGE Energy Inc
MGEE
$3B
$367K ﹤0.01%
5,815
– –
VONE icon
1062
Vanguard Russell 1000 ETF
VONE
$8.27B
$367K ﹤0.01%
3,000
– –
XENT
1063
DELISTED
Intersect ENT, Inc
XENT
$367K ﹤0.01%
11,325
-1,500
-12% -$45K
CWI icon
1064
State Street SPDR MSCI ACWI ex-US ETF
CWI
$2.78B
$364K ﹤0.01%
13,992
+610
+5% +$15.7K
CWEN icon
1065
Clearway Energy Class C
CWEN
$4.94B
$363K ﹤0.01%
19,224
+2,224
+13% +$42.2K
COR icon
1066
Cencora
COR
$60.6B
$362K ﹤0.01%
+3,939
New +$326K
TBT icon
1067
ProShares Trust UltraShort Lehman 20+ Year Treasury
TBT
$304M
$362K ﹤0.01%
10,718
-300
-3% -$10.5K
HASI icon
1068
Hannon Armstrong Sustainable Infrastructure Capital
HASI
$4.84B
$361K ﹤0.01%
15,000
– –
BOH icon
1069
Bank of Hawaii
BOH
$3.15B
$360K ﹤0.01%
4,195
-1,112
-21% -$92.7K
CSGS
1070
DELISTED
CSG Systems International
CSGS
$360K ﹤0.01%
8,226
+8
+0.1% +$345
VSS icon
1071
Vanguard FTSE All-World ex-US Small-Cap Index Fund
VSS
$11.2B
$360K ﹤0.01%
3,019
-1,260
-29% -$147K
HUN icon
1072
Huntsman Corp
HUN
$1.71B
$359K ﹤0.01%
10,790
-501
-4% -$15.3K
TRN icon
1073
Trinity Industries
TRN
$2.49B
$359K ﹤0.01%
13,326
-2,809
-17% -$70.1K
WNS
1074
DELISTED
WNS Holdings
WNS
$359K ﹤0.01%
8,938
– –
HUBG icon
1075
HUB Group
HUBG
$2.85B
$358K ﹤0.01%
+14,958
New +$329K
41 42
43
44 45

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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.