We are live on ! Find out more
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
CIGI icon
101
Colliers International
CIGI
$5.3B
$86.2M 0.32%
1,138,815
+48,116
+4% +$3.48M
WIX icon
102
WIX.com
WIX
$2.79B
$85.2M 0.32%
849,913
+133,420
+19% +$11.9M
ULTI
103
DELISTED
Ultimate Software Group Inc
ULTI
$85M 0.32%
330,520
-23,409
-7% -$6.01M
RGEN icon
104
Repligen
RGEN
$9.3B
$85M 0.32%
1,806,304
-399
-0% -$16.4K
EOG icon
105
EOG Resources
EOG
$75.2B
$84.7M 0.32%
680,946
+55,179
+9% +$6.41M
ATHM icon
106
Autohome
ATHM
$2.65B
$82M 0.31%
811,445
+496,587
+158% +$50.9M
TXN icon
107
Texas Instruments
TXN
$257B
$81.7M 0.3%
741,401
+27,780
+4% +$3.01M
BZUN
108
Baozun
BZUN
$169M
$80.5M 0.3%
1,471,689
+1,005,742
+216% +$53.3M
ICLR icon
109
Icon
ICLR
$12.8B
$79.3M 0.3%
598,143
-37,301
-6% -$4.65M
SYK icon
110
Stryker
SYK
$134B
$79.3M 0.29%
469,396
+163,252
+53% +$27.5M
MNST icon
111
Monster Beverage
MNST
$89.2B
$78.1M 0.29%
5,454,548
-755,688
-12% -$10.2M
PX
112
DELISTED
Praxair Inc
PX
$78.1M 0.29%
493,586
+138,914
+39% +$21.5M
APTV icon
113
Aptiv
APTV
$10.3B
$75.9M 0.28%
827,942
+140,466
+20% +$13.1M
FTNT icon
114
Fortinet
FTNT
$119B
$74.5M 0.28%
+5,966,820
New +$70.7M
COHR
115
DELISTED
Coherent Inc
COHR
$73.9M 0.27%
472,364
+30,047
+7% +$5.09M
VMC icon
116
Vulcan Materials
VMC
$37.3B
$72.6M 0.27%
562,314
+67,703
+14% +$8.35M
INDA icon
117
iShares MSCI India ETF
INDA
$6.6B
$71.5M 0.27%
2,147,200
+80,200
+4% +$2.72M
DCI icon
118
Donaldson
DCI
$11.2B
$69.7M 0.26%
+1,543,665
New +$71.3M
FANG icon
119
Diamondback Energy
FANG
$56.5B
$68.6M 0.26%
521,620
-4,177
-0.8% -$518K
GPN icon
120
Global Payments
GPN
$22.7B
$68.5M 0.26%
614,716
+129,819
+27% +$14.7M
EFX icon
121
Equifax
EFX
$21.4B
$67.8M 0.25%
541,806
-242,167
-31% -$28.7M
AKAM icon
122
Akamai
AKAM
$16.8B
$66.7M 0.25%
910,694
+151,493
+20% +$11.4M
QGEN icon
123
Qiagen
QGEN
$8.81B
$64.9M 0.24%
+1,692,535
New +$62.3M
WAB icon
124
Wabtec
WAB
$50.3B
$64.8M 0.24%
657,668
-78,994
-11% -$7.35M
TREE icon
125
LendingTree
TREE
$443M
$64.4M 0.24%
301,289
+56,605
+23% +$15.7M
3 4
5
6 7

Similar funds

Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return
Lord, Abbett & Co
Lord, Abbett & Co Jersey City, New Jersey $30.6B AUM 57.44% 1-Year Est. Return
Eagle Capital Management (New York)
Eagle Capital Management (New York) New York $29.8B AUM 12.13% 1-Year Est. Return
State of Tennessee, Department of Treasury
State of Tennessee, Department of Treasury Nashville, Tennessee $29.8B AUM 29.48% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return
Ohio Public Employees Retirement System (OPERS)
Ohio Public Employees Retirement System (OPERS) Columbus, Ohio $30.9B AUM 29.72% 1-Year Est. Return
Coatue Management
Coatue Management New York $29.1B AUM 96.54% 1-Year Est. Return
Hudson Bay Capital Management
Hudson Bay Capital Management Stamford, Connecticut $29B AUM 30.2% 1-Year Est. Return

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.