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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
HPE icon
1101
Hewlett Packard
HPE
$63.4B
$325K ﹤0.01%
22,632
+102
+0.5% +$1.45K
FRPT icon
1102
Freshpet
FRPT
$2.93B
$324K ﹤0.01%
17,075
ITGR icon
1103
Integer Holdings
ITGR
$4.12B
$324K ﹤0.01%
7,152
BEN icon
1104
Franklin Resources
BEN
$17.6B
$322K ﹤0.01%
7,431
-1,000
-12% -$43.3K
GDDY icon
1105
GoDaddy
GDDY
$11B
$320K ﹤0.01%
+6,370
New +$302K
IONS icon
1106
Ionis Pharmaceuticals
IONS
$8.6B
$320K ﹤0.01%
6,354
+900
+17% +$49.4K
MIC
1107
DELISTED
Macquarie Infrastructure Holdings, LLC
MIC
$320K ﹤0.01%
4,983
AZZ icon
1108
AZZ Inc
AZZ
$4.35B
$319K ﹤0.01%
6,235
M icon
1109
Macy's
M
$6.53B
$319K ﹤0.01%
12,679
+1,000
+9% +$21.9K
LH icon
1110
Labcorp
LH
$25B
$316K ﹤0.01%
2,309
NGHC
1111
DELISTED
National General Holdings Corp
NGHC
$316K ﹤0.01%
16,090
-361
-2% -$7.4K
UHAL icon
1112
U-Haul Holding Co
UHAL
$13.9B
$314K ﹤0.01%
8,300
+970
+13% +$36.3K
GME icon
1113
GameStop
GME
$9.75B
$313K ﹤0.01%
69,812
+4,740
+7% +$22.1K
NDAQ icon
1114
Nasdaq
NDAQ
$52.7B
$313K ﹤0.01%
12,237
+552
+5% +$13.9K
SPG icon
1115
Simon Property Group
SPG
$74.4B
$313K ﹤0.01%
1,821
-440
-19% -$71.5K
ASMB icon
1116
Assembly Biosciences
ASMB
$498M
$312K ﹤0.01%
+575
New +$260K
AB icon
1117
AllianceBernstein
AB
$3.43B
$311K ﹤0.01%
12,399
-500
-4% -$12.6K
X
1118
DELISTED
US Steel
X
$310K ﹤0.01%
8,796
-1,830
-17% -$53.2K
SPWH icon
1119
Sportsman's Warehouse
SPWH
$44.5M
$308K ﹤0.01%
46,525
+7,924
+21% +$38K
AIN icon
1120
Albany International
AIN
$2.11B
$307K ﹤0.01%
4,990
ETR icon
1121
Entergy
ETR
$50.2B
$307K ﹤0.01%
7,532
+370
+5% +$15.5K
FUL icon
1122
H.B. Fuller
FUL
$2.97B
$306K ﹤0.01%
5,677
-90
-2% -$5K
VMI icon
1123
Valmont Industries
VMI
$9.3B
$306K ﹤0.01%
1,846
-180
-9% -$29.3K
AEE icon
1124
Ameren
AEE
$30.3B
$304K ﹤0.01%
5,153
FNGN
1125
DELISTED
Financial Engines, Inc.
FNGN
$304K ﹤0.01%
+10,026
New +$315K

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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.