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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
FXI icon
1151
iShares China Large-Cap ETF
FXI
$4.37B
$274K ﹤0.01%
5,931
– –
PDCO
1152
DELISTED
Patterson Companies, Inc.
PDCO
$274K ﹤0.01%
7,591
-2,030
-21% -$74.1K
DG icon
1153
Dollar General
DG
$28B
$272K ﹤0.01%
2,928
+320
+12% +$27.5K
ACWI icon
1154
iShares MSCI ACWI ETF
ACWI
$32.9B
$271K ﹤0.01%
3,761
+25
+0.7% +$1.77K
NEM icon
1155
Newmont
NEM
$98.7B
$271K ﹤0.01%
7,210
-150
-2% -$5.52K
SPIB icon
1156
State Street SPDR Portfolio Intermediate Term Corporate Bond ETF
SPIB
$11.5B
$271K ﹤0.01%
+7,931
New +$273K
DXC icon
1157
DXC Technology
DXC
$1.82B
$269K ﹤0.01%
+3,278
New +$265K
INN
1158
Summit Hotel Properties
INN
$746M
$269K ﹤0.01%
17,648
+514
+3% +$7.95K
INFN
1159
DELISTED
Infinera Corporation Common Stock
INFN
$269K ﹤0.01%
42,565
-4,750
-10% -$36.2K
MRO
1160
DELISTED
Marathon Oil Corporation
MRO
$268K ﹤0.01%
15,827
-603
-4% -$8.95K
DO
1161
DELISTED
Diamond Offshore Drilling
DO
$268K ﹤0.01%
+14,400
New +$234K
ITUB icon
1162
Itaú Unibanco
ITUB
$93.2B
$266K ﹤0.01%
42,118
-5,820
-12% -$37.2K
TT icon
1163
Trane Technologies
TT
$100B
$266K ﹤0.01%
2,988
-218
-7% -$19.2K
LSXMK
1164
DELISTED
Liberty Media Corporation Series C Liberty SiriusXM Common Stock
LSXMK
$266K ﹤0.01%
8,801
-1,037
-11% -$32.9K
KBA icon
1165
KraneShares Bosera MSCI China A 50 Connect Index ETF
KBA
$147M
$265K ﹤0.01%
7,703
+3
+0% +$103
VXUS icon
1166
Vanguard Total International Stock ETF
VXUS
$155B
$265K ﹤0.01%
4,665
+690
+17% +$38.6K
GL icon
1167
Globe Life
GL
$14.2B
$263K ﹤0.01%
2,900
+332
+13% +$28.5K
CRZO
1168
DELISTED
Carrizo Oil & Gas Inc
CRZO
$263K ﹤0.01%
12,381
– –
JAZZ icon
1169
Jazz Pharmaceuticals
JAZZ
$15.9B
$261K ﹤0.01%
1,938
– –
CNC icon
1170
Centene
CNC
$30.7B
$260K ﹤0.01%
5,158
-4,630
-47% -$224K
EPAC icon
1171
Enerpac Tool Group
EPAC
$1.83B
$260K ﹤0.01%
10,269
– –
OGS icon
1172
ONE Gas
OGS
$4.87B
$260K ﹤0.01%
3,544
– –
VOX icon
1173
Vanguard Communication Services ETF
VOX
$5.59B
$260K ﹤0.01%
2,847
-301
-10% -$27.1K
EQM
1174
DELISTED
EQM Midstream Partners, LP
EQM
$260K ﹤0.01%
3,555
+150
+4% +$10.7K
TTWO icon
1175
Take-Two Interactive
TTWO
$45.4B
$258K ﹤0.01%
2,350
-435
-16% -$47.5K
45 46
47
48 49

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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.