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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
+19.2%
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
$23.8B
AUM Growth
+$3.63B
Cap. Flow
+$288M
Cap. Flow %
1.21%
Top 10 Hldgs %
20.04%
Holding
441
New
37
Increased
142
Reduced
223
Closed
35

Top Buys

Rank Stock Value
1
CHKP icon
Check Point Software Technologies
CHKP
+$181M
2
BABA icon
Alibaba
BABA
+$124M
3
EWBC icon
East-West Bancorp
EWBC
+$109M
4
STE icon
Steris
STE
+$94.6M
5
BURL icon
Burlington
BURL
+$87.9M

Top Sells

Rank Stock Value
1
SIX
Six Flags Entertainment Corp.
SIX
+$151M
2
FTNT icon
Fortinet
FTNT
+$108M
3
SU icon
Suncor Energy
SU
+$77.7M
4
WST icon
West Pharmaceutical
WST
+$73.5M
5
WW
WW International
WW
+$59M

Sector Composition

Rank Sector Weight
1 Technology 17.21%
2 Consumer Discretionary 14.5%
3 Healthcare 14.2%
4 Industrials 13.82%
5 Financials 13.22%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
INGN icon
76
Inogen
INGN
$157M
$100M 0.42%
1,048,413
+402,150
+62% +$50.2M
HGV icon
77
Hilton Grand Vacations
HGV
$3.34B
$99.9M 0.42%
3,237,969
-337,935
-9% -$10.4M
VIRT icon
78
Virtu Financial
VIRT
$4.86B
$97.2M 0.41%
4,093,199
-175,908
-4% -$4.51M
ADBE icon
79
Adobe
ADBE
$105B
$94.5M 0.4%
354,504
+15,827
+5% +$3.99M
CABO icon
80
Cable One
CABO
$192M
$93.3M 0.39%
95,033
+1,456
+2% +$1.32M
ICE icon
81
Intercontinental Exchange
ICE
$84.9B
$91.4M 0.38%
1,200,174
-9,178
-0.8% -$688K
ECPG icon
82
Encore Capital Group
ECPG
$1.98B
$91M 0.38%
3,342,262
-591
-0% -$17.6K
ZTS icon
83
Zoetis
ZTS
$31.1B
$91M 0.38%
903,733
-4,470
-0.5% -$406K
PYPL icon
84
PayPal
PYPL
$50.5B
$90M 0.38%
866,974
+534,089
+160% +$50.6M
CP icon
85
Canadian Pacific Kansas City
CP
$80.8B
$88.4M 0.37%
+2,145,645
New +$86M
EWZ icon
86
iShares MSCI Brazil ETF
EWZ
$8.6B
$85.8M 0.36%
2,093,240
-667,760
-24% -$28.7M
WP
87
DELISTED
Worldpay, Inc.
WP
$85.5M 0.36%
753,219
-300,670
-29% -$27.3M
ULTA icon
88
Ulta Beauty
ULTA
$23.3B
$84.1M 0.35%
241,106
-27,069
-10% -$8.19M
JLL icon
89
Jones Lang LaSalle
JLL
$16.7B
$80.5M 0.34%
522,404
-182,269
-26% -$27.4M
MXL icon
90
MaxLinear
MXL
$6.26B
$79.4M 0.33%
3,111,276
+40,270
+1% +$881K
SITE icon
91
SiteOne Landscape Supply
SITE
$4.32B
$76.6M 0.32%
1,340,641
+3,118
+0.2% +$170K
ICLR icon
92
Icon
ICLR
$12.8B
$75.8M 0.32%
555,287
-20,696
-4% -$2.82M
NOVT icon
93
Novanta
NOVT
$6.34B
$75.5M 0.32%
891,021
-5,400
-0.6% -$405K
AXTA icon
94
Axalta
AXTA
$7.98B
$73.6M 0.31%
2,917,662
-470,642
-14% -$12.1M
PE
95
DELISTED
PARSLEY ENERGY INC
PE
$73.2M 0.31%
3,793,100
-244,627
-6% -$4.49M
GLOB icon
96
Globant
GLOB
$1.68B
$71.7M 0.3%
1,004,844
+107,099
+12% +$7.2M
TTC icon
97
Toro Company
TTC
$9.41B
$71.7M 0.3%
1,041,831
-36,475
-3% -$2.31M
NATI
98
DELISTED
National Instruments Corp
NATI
$70.4M 0.3%
1,587,109
-846,056
-35% -$38.4M
CIGI icon
99
Colliers International
CIGI
$5.3B
$69.5M 0.29%
1,041,494
+5,633
+0.5% +$361K
IEMG icon
100
iShares Core MSCI Emerging Markets ETF
IEMG
$156B
$66.7M 0.28%
1,290,800
-458,100
-26% -$23.2M
2 3
4
5 6

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William Blair Investment Management's Q1 2019 Portfolio in Review

As of Q1 2019, William Blair Investment Management held 441 positions worth $23.8B, up 18% from $20.1B the previous quarter. Its ten largest holdings account for 20% of the portfolio.

William Blair Investment Management's Q1 2019 filing shows 37 new, 142 increased, 223 reduced and 35 closed positions. Its largest new stake was Steris: 803,400 shares worth $103M. The largest sale was Six Flags Entertainment Corp., an estimated $151M.

By sector, the portfolio is most concentrated in Technology at 17% of assets, up from 16% a quarter earlier, followed by Consumer Discretionary and Healthcare.

  • William Blair Investment Management's largest Q1 2019 buy was Steris: 803,400 shares worth $103M.
  • William Blair Investment Management added most to Check Point Software Technologies in Q1 2019, an estimated $181M increase.
  • William Blair Investment Management's biggest Q1 2019 reduction was WW International, cutting an estimated $59M.
  • William Blair Investment Management fully exited Six Flags Entertainment Corp. in Q1 2019, selling an estimated $151M.
  • William Blair Investment Management's ten largest holdings make up 20% of its $23.8B portfolio in Q1 2019.
  • William Blair Investment Management opened 37 new positions and closed 35 in Q1 2019.
  • William Blair Investment Management's portfolio value rose 18% quarter-over-quarter to $23.8B.

Based on William Blair Investment Management's 13F filing for Q1 2019, filed 10 May 2019.