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William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $30.3B
1-Year Est. Return 33.75%
This Fund
S&P 500
This Quarter Est. Return
+6.15%
1 Year Est. Return
+33.75%
3 Year Est. Return
+108.55%
5 Year Est. Return
+126.9%
10 Year Est. Return
+788.31%
AUM
$26.9B
AUM Growth
+$687M
Cap. Flow
-$320M
Cap. Flow %
-1.19%
Top 10 Hldgs %
18.65%
Holding
522
New
90
Increased
140
Reduced
241
Closed
46

Top Buys

Rank Stock Value
1
GDDY icon
GoDaddy
GDDY
+$186M
2
PODD icon
Insulet
PODD
+$107M
3
GWR
Genesee & Wyoming Inc.
GWR
+$106M
4
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$99.1M
5
FND icon
Floor & Decor
FND
+$92.3M

Top Sells

Rank Stock Value
1
ABMD
Abiomed Inc
ABMD
+$154M
2
DPZ icon
Domino's
DPZ
+$129M
3
NBIS
Nebius Group N.V.
NBIS
+$115M
4
ZTS icon
Zoetis
ZTS
+$104M
5
YELP icon
Yelp
YELP
+$103M

Sector Composition

Rank Sector Weight
1 Consumer Discretionary 15.39%
2 Technology 15.25%
3 Healthcare 14.14%
4 Financials 12.82%
5 Industrials 12.81%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
XLU icon
151
State Street Utilities Select Sector SPDR ETF
XLU
$22.4B
$47.8M 0.18%
1,840,200
-99,000
-5% -$2.49M
UNP icon
152
Union Pacific
UNP
$173B
$47.6M 0.18%
335,873
-703,181
-68% -$98M
MXL icon
153
MaxLinear
MXL
$6.33B
$47.6M 0.18%
3,051,170
-1,824,416
-37% -$36.9M
IEMG icon
154
iShares Core MSCI Emerging Markets ETF
IEMG
$157B
$47.2M 0.18%
+899,300
New +$50.4M
SABR icon
155
Sabre
SABR
$843M
$47M 0.17%
1,907,185
+1,739,681
+1,039% +$40.3M
KO icon
156
Coca-Cola
KO
$371B
$46.5M 0.17%
+1,059,421
New +$45.8M
MCHP icon
157
Microchip Technology
MCHP
$44.9B
$44.6M 0.17%
981,270
-71,940
-7% -$3.33M
ALGN icon
158
Align Technology
ALGN
$12.5B
$43.8M 0.16%
127,948
-138,502
-52% -$41.3M
CRM icon
159
Salesforce
CRM
$163B
$42.7M 0.16%
313,255
+34,026
+12% +$4.34M
HOMB icon
160
Home BancShares
HOMB
$6.19B
$41.6M 0.16%
1,845,992
+311,543
+20% +$7.21M
SCCO icon
161
Southern Copper
SCCO
$165B
$40.8M 0.15%
951,313
-875,353
-48% -$41.5M
TMO icon
162
Thermo Fisher Scientific
TMO
$222B
$40.1M 0.15%
193,776
-807
-0.4% -$171K
KMX icon
163
CarMax
KMX
$8.26B
$40.1M 0.15%
549,940
-319,211
-37% -$21.3M
ABEV icon
164
Ambev
ABEV
$44.7B
$39.7M 0.15%
8,564,951
-2,859,172
-25% -$16.8M
GS icon
165
Goldman Sachs
GS
$301B
$39.3M 0.15%
178,133
-824
-0.5% -$196K
MHK icon
166
Mohawk Industries
MHK
$9.29B
$38.8M 0.14%
181,199
+33,996
+23% +$7.44M
SQM icon
167
Sociedad Química y Minera de Chile
SQM
$20.7B
$38.8M 0.14%
807,357
-54,519
-6% -$2.86M
NEE icon
168
NextEra Energy
NEE
$177B
$38.4M 0.14%
918,524
+147,908
+19% +$5.97M
CNQ icon
169
Canadian Natural Resources
CNQ
$97.9B
$37.6M 0.14%
2,128,946
+150,254
+8% +$2.54M
TDG icon
170
TransDigm Group
TDG
$68.4B
$37.1M 0.14%
107,407
-3,273
-3% -$1.08M
GREK
171
Global X MSCI Greece ETF
GREK
$331M
$36.6M 0.14%
1,335,833
+64,033
+5% +$1.88M
ADI icon
172
Analog Devices
ADI
$190B
$35.9M 0.13%
373,993
-28,405
-7% -$2.68M
CAG icon
173
Conagra Brands
CAG
$7.1B
$35.6M 0.13%
997,586
+155,853
+19% +$5.8M
MMYT icon
174
MakeMyTrip
MMYT
$5.83B
$35.5M 0.13%
981,637
+397,492
+68% +$14.3M
SIMO icon
175
Silicon Motion
SIMO
$7.65B
$35.2M 0.13%
665,398
+291,104
+78% +$14.3M
5 6
7
8 9

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William Blair Investment Management's Q2 2018 Portfolio in Review

As of Q2 2018, William Blair Investment Management held 522 positions worth $26.9B, up 2.6% from $26.2B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair Investment Management's Q2 2018 filing shows 90 new, 140 increased, 241 reduced and 46 closed positions. Its largest new stake was GoDaddy: 2,731,356 shares worth $193M. The largest sale was Abiomed Inc, an estimated $154M.

By sector, the portfolio is most concentrated in Consumer Discretionary at 15% of assets, up from 14% a quarter earlier, followed by Technology and Healthcare.

  • William Blair Investment Management's largest Q2 2018 buy was GoDaddy: 2,731,356 shares worth $193M.
  • William Blair Investment Management added most to State Street SPDR S&P 500 ETF Trust in Q2 2018, an estimated $99.1M increase.
  • William Blair Investment Management's biggest Q2 2018 reduction was Abiomed Inc, cutting an estimated $154M.
  • William Blair Investment Management fully exited Yelp in Q2 2018, selling an estimated $103M.
  • William Blair Investment Management's ten largest holdings make up 19% of its $26.9B portfolio in Q2 2018.
  • William Blair Investment Management opened 90 new positions and closed 46 in Q2 2018.
  • William Blair Investment Management's portfolio value rose 2.6% quarter-over-quarter to $26.9B.

Based on William Blair Investment Management's 13F filing for Q2 2018, filed 14 Aug 2018.