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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
+10.66%
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
$26.5B
AUM Growth
+$1.43B
Cap. Flow
-$525M
Cap. Flow %
-1.98%
Top 10 Hldgs %
15.7%
Holding
479
New
44
Increased
158
Reduced
220
Closed
47

Top Buys

Rank Stock Value
1
BABA icon
Alibaba
BABA
+$316M
2
TCOM icon
Trip.com Group
TCOM
+$140M
3
BWXT icon
BWX Technologies
BWXT
+$116M
4
UNH icon
UnitedHealth
UNH
+$102M
5
MTN icon
Vail Resorts
MTN
+$101M

Top Sells

Rank Stock Value
1
TD icon
Toronto Dominion Bank
TD
+$254M
2
TDG icon
TransDigm Group
TDG
+$202M
3
MJN
Mead Johnson Nutrition Company
MJN
+$192M
4
AKAM icon
Akamai
AKAM
+$157M
5
DG icon
Dollar General
DG
+$128M

Sector Composition

Rank Sector Weight
1 Consumer Discretionary 15.46%
2 Industrials 13.64%
3 Financials 13.02%
4 Healthcare 11.83%
5 Technology 10.92%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AMED
101
DELISTED
Amedisys
AMED
$83.4M 0.32%
1,632,242
+122,305
+8% +$5.83M
MLM icon
102
Martin Marietta Materials
MLM
$32.7B
$82.8M 0.31%
379,448
+33,768
+10% +$7.45M
IDXX icon
103
Idexx Laboratories
IDXX
$47.2B
$81.3M 0.31%
526,100
-191,939
-27% -$26.5M
BIIB icon
104
Biogen
BIIB
$30.7B
$80.1M 0.3%
293,047
-142,802
-33% -$40.4M
TSN icon
105
Tyson Foods
TSN
$20.2B
$79.3M 0.3%
1,284,330
-775,913
-38% -$48.9M
COST icon
106
Costco
COST
$420B
$79.2M 0.3%
472,192
-97,682
-17% -$16.4M
IWF icon
107
iShares Russell 1000 Growth ETF
IWF
$127B
$78.9M 0.3%
2,774,000
-299,964
-10% -$8.32M
EWBC icon
108
East-West Bancorp
EWBC
$18B
$77.6M 0.29%
1,504,334
+541,149
+56% +$28.4M
IBKC
109
DELISTED
IBERIABANK Corp
IBKC
$77.2M 0.29%
975,936
+44,907
+5% +$3.68M
ACN icon
110
Accenture
ACN
$110B
$77M 0.29%
641,952
+51,674
+9% +$6.17M
INDA icon
111
iShares MSCI India ETF
INDA
$6.6B
$76.7M 0.29%
+2,435,295
New +$71.3M
RSX
112
DELISTED
VanEck Russia ETF
RSX
$75.1M 0.28%
3,632,400
+2,349,800
+183% +$49.5M
SITE icon
113
SiteOne Landscape Supply
SITE
$4.38B
$75.1M 0.28%
1,550,697
+148,439
+11% +$5.93M
EEFT icon
114
Euronet Worldwide
EEFT
$2.64B
$71.8M 0.27%
+839,346
New +$66M
CBOE icon
115
Cboe Global Markets
CBOE
$30.3B
$71.2M 0.27%
878,234
+76,211
+10% +$5.96M
ECPG icon
116
Encore Capital Group
ECPG
$2.05B
$69.3M 0.26%
2,250,437
+161,788
+8% +$5.09M
PPG icon
117
PPG Industries
PPG
$25.8B
$68.5M 0.26%
651,974
-419,447
-39% -$42.5M
FANG icon
118
Diamondback Energy
FANG
$55.5B
$68.1M 0.26%
656,211
-240,751
-27% -$24.8M
LQD icon
119
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
$32.6B
$67.3M 0.25%
570,900
-444,500
-44% -$52.2M
NDAQ icon
120
Nasdaq
NDAQ
$53.7B
$66.7M 0.25%
2,881,704
+199,656
+7% +$4.63M
NBIS
121
Nebius Group N.V.
NBIS
$47.5B
$66.6M 0.25%
3,036,298
-939,636
-24% -$21.4M
CXO
122
DELISTED
CONCHO RESOURCES INC.
CXO
$65M 0.25%
506,375
+172,469
+52% +$23.2M
JLL icon
123
Jones Lang LaSalle
JLL
$16.4B
$64.7M 0.24%
580,378
+49,198
+9% +$5.35M
JPM icon
124
JPMorgan Chase
JPM
$951B
$64.6M 0.24%
735,718
-17,924
-2% -$1.58M
BLK icon
125
Blackrock
BLK
$175B
$63.8M 0.24%
166,476
-3,982
-2% -$1.52M
3 4
5
6 7

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William Blair Investment Management's Q1 2017 Portfolio in Review

As of Q1 2017, William Blair Investment Management held 479 positions worth $26.5B, up 5.7% from $25B the previous quarter. Its ten largest holdings account for 16% of the portfolio.

William Blair Investment Management's Q1 2017 filing shows 44 new, 158 increased, 220 reduced and 47 closed positions. Its largest new stake was Michaels Stores, Inc: 4,240,011 shares worth $94.9M. The largest sale was Toronto Dominion Bank, an estimated $254M.

By sector, the portfolio is most concentrated in Consumer Discretionary at 15% of assets, up from 12% a quarter earlier, followed by Industrials and Financials.

  • William Blair Investment Management's largest Q1 2017 buy was Michaels Stores, Inc: 4,240,011 shares worth $94.9M.
  • William Blair Investment Management added most to Alibaba in Q1 2017, an estimated $316M increase.
  • William Blair Investment Management's biggest Q1 2017 reduction was Toronto Dominion Bank, cutting an estimated $254M.
  • William Blair Investment Management fully exited Mead Johnson Nutrition Company in Q1 2017, selling an estimated $192M.
  • William Blair Investment Management's ten largest holdings make up 16% of its $26.5B portfolio in Q1 2017.
  • William Blair Investment Management opened 44 new positions and closed 47 in Q1 2017.
  • William Blair Investment Management's portfolio value rose 5.7% quarter-over-quarter to $26.5B.

Based on William Blair Investment Management's 13F filing for Q1 2017, filed 10 May 2017.