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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
IRM icon
126
Iron Mountain
IRM
$35.9B
$26.1M 0.2%
758,479
+24,387
+3% +$853K
SRCL
127
DELISTED
Stericycle Inc
SRCL
$25.4M 0.19%
332,671
-17,723
-5% -$1.46M
PM icon
128
Philip Morris
PM
$309B
$25.1M 0.19%
213,999
-3,629
-2% -$420K
EFII
129
DELISTED
Electronics for Imaging
EFII
$25.1M 0.19%
529,926
+191,273
+56% +$9.13M
IEMG icon
130
iShares Core MSCI Emerging Markets ETF
IEMG
$144B
$25M 0.19%
500,254
+34,125
+7% +$1.68M
UNH icon
131
UnitedHealth
UNH
$382B
$25M 0.19%
134,627
+27,212
+25% +$4.77M
PCTY icon
132
Paylocity
PCTY
$7.75B
$24.6M 0.19%
545,439
+224,771
+70% +$9.8M
MMP
133
DELISTED
Magellan Midstream Partners, L.P.
MMP
$24.2M 0.18%
339,624
-324
-0.1% -$23.8K
TSCO icon
134
Tractor Supply
TSCO
$16.3B
$24M 0.18%
2,213,865
-1,343,015
-38% -$16M
WMGI
135
DELISTED
Wright Medical Group Inc
WMGI
$23.8M 0.18%
865,588
+4,867
+0.6% +$138K
WMT icon
136
Walmart Inc
WMT
$909B
$23.8M 0.18%
941,757
+41,883
+5% +$1.06M
AON icon
137
Aon
AON
$80.6B
$23.4M 0.18%
175,756
-4,449
-2% -$562K
LLY icon
138
Eli Lilly
LLY
$1.08T
$23M 0.17%
279,583
+17,325
+7% +$1.41M
EPD icon
139
Enterprise Products Partners
EPD
$83.7B
$22.8M 0.17%
840,618
+17,334
+2% +$470K
TIP icon
140
iShares TIPS Bond ETF
TIP
$14.5B
$22.4M 0.17%
197,582
-12,227
-6% -$1.4M
OMC icon
141
Omnicom Group
OMC
$23.5B
$22.3M 0.17%
269,239
-4,558
-2% -$380K
BABA icon
142
Alibaba
BABA
$276B
$22.3M 0.17%
158,244
+6,305
+4% +$779K
T icon
143
AT&T
T
$164B
$22.2M 0.17%
779,189
+176,209
+29% +$5.19M
EXAS
144
DELISTED
Exact Sciences
EXAS
$22.1M 0.17%
625,981
-26,317
-4% -$812K
PXD
145
DELISTED
Pioneer Natural Resource Co.
PXD
$21.8M 0.16%
136,646
+7,641
+6% +$1.31M
MAR icon
146
Marriott International
MAR
$100B
$21.6M 0.16%
215,508
+154,683
+254% +$15.5M
AXDX
147
DELISTED
Accelerate Diagnostics
AXDX
$21.5M 0.16%
78,748
+10,327
+15% +$2.8M
RP
148
DELISTED
RealPage, Inc.
RP
$21.5M 0.16%
596,731
+184,138
+45% +$6.58M
NUVA
149
DELISTED
NuVasive, Inc.
NUVA
$21.2M 0.16%
275,927
+4,332
+2% +$324K
TMO icon
150
Thermo Fisher Scientific
TMO
$214B
$21.2M 0.16%
121,379
-16,297
-12% -$2.74M

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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.