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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
+7.86%
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
$28.9B
AUM Growth
+$2.01B
Cap. Flow
+$420M
Cap. Flow %
1.46%
Top 10 Hldgs %
17.78%
Holding
509
New
33
Increased
212
Reduced
167
Closed
90

Top Buys

Rank Stock Value
1
RCI icon
Rogers Communications
RCI
+$228M
2
BN icon
Brookfield
BN
+$96.9M
3
EEFT icon
Euronet Worldwide
EEFT
+$92.3M
4
TFX icon
Teleflex
TFX
+$84.9M
5
P
Everpure Inc
P
+$79.7M

Top Sells

Rank Stock Value
1
YUMC icon
Yum China
YUMC
+$188M
2
CRL icon
Charles River Laboratories
CRL
+$188M
3
FND icon
Floor & Decor
FND
+$129M
4
TWOU
2U Inc
TWOU
+$87.5M
5
MTN icon
Vail Resorts
MTN
+$71.8M

Sector Composition

Rank Sector Weight
1 Technology 16.83%
2 Healthcare 15.47%
3 Industrials 13.49%
4 Consumer Discretionary 13%
5 Financials 12.64%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
CCL icon
151
Carnival Corporation Ltd
CCL
$38B
$48.6M 0.17%
762,024
+168,382
+28% +$10.2M
PTLA
152
DELISTED
Portola Pharmaceuticals, Inc.
PTLA
$48.5M 0.17%
+1,822,048
New +$59.5M
DLB icon
153
Dolby
DLB
$5.75B
$48.4M 0.17%
+692,335
New +$46.4M
SBUX icon
154
Starbucks
SBUX
$122B
$48.3M 0.17%
850,308
-406,096
-32% -$21.5M
FITB
155
Fifth Third Bancorp
FITB
$52.2B
$47.1M 0.16%
1,688,479
-10,817
-0.6% -$318K
TMO icon
156
Thermo Fisher Scientific
TMO
$224B
$47M 0.16%
192,543
-1,233
-0.6% -$284K
GS icon
157
Goldman Sachs
GS
$301B
$46.7M 0.16%
208,165
+30,032
+17% +$6.99M
MCHP icon
158
Microchip Technology
MCHP
$44B
$46.1M 0.16%
1,168,130
+186,860
+19% +$8.26M
ROP icon
159
Roper Technologies
ROP
$39.5B
$46.1M 0.16%
155,501
+36,004
+30% +$10.6M
ASR icon
160
Grupo Aeroportuario del Sureste
ASR
$8.15B
$45.5M 0.16%
+221,966
New +$40.8M
LUV icon
161
Southwest Airlines
LUV
$22.3B
$44.5M 0.15%
712,361
+124,511
+21% +$7.28M
PLAY icon
162
Dave & Buster's
PLAY
$349M
$44.1M 0.15%
665,470
+241,471
+57% +$13.1M
XLU icon
163
State Street Utilities Select Sector SPDR ETF
XLU
$22.7B
$43.5M 0.15%
1,651,600
-188,600
-10% -$5.01M
CDK
164
DELISTED
CDK Global, Inc.
CDK
$42.4M 0.15%
+678,272
New +$43M
EWZ icon
165
iShares MSCI Brazil ETF
EWZ
$8.6B
$42.3M 0.15%
1,255,200
-1,657,400
-57% -$55.8M
ADI icon
166
Analog Devices
ADI
$188B
$42.1M 0.15%
455,452
+81,459
+22% +$7.83M
WW
167
DELISTED
WW International
WW
$41.7M 0.14%
578,840
+276,277
+91% +$22.4M
TCOM icon
168
Trip.com Group
TCOM
$29.1B
$41.5M 0.14%
1,117,237
+34,543
+3% +$1.4M
HOMB icon
169
Home BancShares
HOMB
$6.22B
$40.9M 0.14%
1,868,639
+22,647
+1% +$526K
WCN
170
Waste Connections
WCN
$42B
$40.1M 0.14%
+503,320
New +$39.5M
GLOB icon
171
Globant
GLOB
$1.68B
$39.9M 0.14%
676,032
+232,283
+52% +$13.6M
ATVI
172
DELISTED
Activision Blizzard
ATVI
$39.3M 0.14%
+472,781
New +$35.9M
TDG icon
173
TransDigm Group
TDG
$68.7B
$38.9M 0.13%
104,460
-2,947
-3% -$1.06M
NEE icon
174
NextEra Energy
NEE
$179B
$38.2M 0.13%
912,668
-5,856
-0.6% -$249K
SQM icon
175
Sociedad Química y Minera de Chile
SQM
$20.6B
$38M 0.13%
831,897
+24,540
+3% +$1.13M

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William Blair Investment Management's Q3 2018 Portfolio in Review

As of Q3 2018, William Blair Investment Management held 509 positions worth $28.9B, up 7.5% from $26.9B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair Investment Management's Q3 2018 filing shows 33 new, 212 increased, 167 reduced and 90 closed positions. Its largest new stake was Rogers Communications: 4,461,925 shares worth $229M. The largest sale was Yum China, an estimated $188M.

By sector, the portfolio is most concentrated in Technology at 17% of assets, up from 15% a quarter earlier, followed by Healthcare and Industrials.

  • William Blair Investment Management's largest Q3 2018 buy was Rogers Communications: 4,461,925 shares worth $229M.
  • William Blair Investment Management added most to Brookfield in Q3 2018, an estimated $96.9M increase.
  • William Blair Investment Management's biggest Q3 2018 reduction was Vail Resorts, cutting an estimated $71.8M.
  • William Blair Investment Management fully exited Yum China in Q3 2018, selling an estimated $188M.
  • William Blair Investment Management's ten largest holdings make up 18% of its $28.9B portfolio in Q3 2018.
  • William Blair Investment Management opened 33 new positions and closed 90 in Q3 2018.
  • William Blair Investment Management's portfolio value rose 7.5% quarter-over-quarter to $28.9B.

Based on William Blair Investment Management's 13F filing for Q3 2018, filed 13 Nov 2018.