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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
MU icon
251
Micron Technology
MU
$930B
$9.59M 0.07%
233,145
+15,520
+7% +$669K
CHD icon
252
Church & Dwight Co
CHD
$23.4B
$9.54M 0.06%
190,184
-124,148
-39% -$5.82M
IT icon
253
Gartner
IT
$10.1B
$9.21M 0.06%
74,822
+882
+1% +$107K
GIS icon
254
General Mills
GIS
$19.1B
$9.1M 0.06%
153,426
+10,646
+7% +$576K
ELF icon
255
e.l.f. Beauty
ELF
$4.89B
$8.96M 0.06%
401,648
-182,588
-31% -$3.89M
IWF icon
256
iShares Russell 1000 Growth ETF
IWF
$121B
$8.8M 0.06%
261,280
-70,780
-21% -$2.32M
FITB
257
Fifth Third Bancorp
FITB
$51.2B
$8.62M 0.06%
284,054
+75,062
+36% +$2.19M
WPZ
258
DELISTED
Williams Partners L.P.
WPZ
$8.49M 0.06%
219,068
+191,100
+683% +$7.17M
RWO icon
259
State Street SPDR Dow Jones Global Real Estate ETF
RWO
$1.3B
$8.42M 0.06%
172,191
+2,670
+2% +$129K
NEE icon
260
NextEra Energy
NEE
$181B
$8.38M 0.06%
214,592
+3,656
+2% +$141K
BMRN icon
261
BioMarin Pharmaceuticals
BMRN
$11.6B
$8.37M 0.06%
93,813
-1,438
-2% -$125K
COP icon
262
ConocoPhillips
COP
$147B
$8.35M 0.06%
152,058
-873
-0.6% -$44.9K
DUK icon
263
Duke Energy
DUK
$97.8B
$8.34M 0.06%
99,183
+4,848
+5% +$423K
AZN icon
264
AstraZeneca
AZN
$263B
$8.3M 0.06%
119,596
+28,091
+31% +$1.89M
IBB icon
265
iShares Biotechnology ETF
IBB
$9.34B
$8.21M 0.06%
76,907
+38,615
+101% +$4.13M
VNQI icon
266
Vanguard Global ex-US Real Estate ETF
VNQI
$3.52B
$8.04M 0.05%
132,837
+9,583
+8% +$576K
ZD icon
267
Ziff Davis
ZD
$1.96B
$8.02M 0.05%
122,914
-339,797
-73% -$22.1M
BIIB icon
268
Biogen
BIIB
$30B
$8M 0.05%
25,099
+1,046
+4% +$336K
VO icon
269
Vanguard Morningstar Mid-Cap ETF
VO
$106B
$7.97M 0.05%
205,944
+10,704
+5% +$404K
USMV icon
270
iShares MSCI USA Min Vol Factor ETF
USMV
$23.5B
$7.96M 0.05%
150,844
-1,632
-1% -$84.7K
SHW icon
271
Sherwin-Williams
SHW
$82.7B
$7.86M 0.05%
57,498
-150
-0.3% -$19.7K
PKOH icon
272
Park-Ohio Holdings
PKOH
$575M
$7.78M 0.05%
169,349
-28,293
-14% -$1.27M
KNSL icon
273
Kinsale Capital Group
KNSL
$8.12B
$7.73M 0.05%
171,709
-10,819
-6% -$471K
WY icon
274
Weyerhaeuser
WY
$18B
$7.7M 0.05%
218,264
+2,482
+1% +$87.8K
MBFI
275
DELISTED
MB Financial Corp
MBFI
$7.66M 0.05%
171,943
– –
9 10
11
12 13

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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.