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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
HEI.A icon
51
HEICO Corp Class A
HEI.A
$37B
$153M 0.57%
2,517,223
-208,967
-8% -$12.5M
ROG icon
52
Rogers Corp
ROG
$2.29B
$152M 0.57%
1,363,453
+8,233
+0.6% +$961K
PE
53
DELISTED
PARSLEY ENERGY INC
PE
$150M 0.56%
4,966,213
-168,688
-3% -$4.97M
TDY icon
54
Teledyne Technologies
TDY
$32B
$150M 0.56%
753,997
+45,868
+6% +$9.05M
CNI icon
55
Canadian National Railway
CNI
$75.7B
$148M 0.55%
1,811,218
-43,489
-2% -$3.46M
ADBE icon
56
Adobe
ADBE
$109B
$148M 0.55%
605,292
-67,781
-10% -$16M
ZTS icon
57
Zoetis
ZTS
$30.9B
$146M 0.54%
1,714,965
-1,227,338
-42% -$104M
HGV icon
58
Hilton Grand Vacations
HGV
$3.31B
$146M 0.54%
4,203,570
+888,257
+27% +$35.9M
CTLT
59
DELISTED
CATALENT, INC.
CTLT
$144M 0.54%
3,443,308
+14,254
+0.4% +$576K
EWBC icon
60
East-West Bancorp
EWBC
$18.1B
$138M 0.51%
2,117,031
-104,929
-5% -$7.1M
WP
61
DELISTED
Worldpay, Inc.
WP
$137M 0.51%
1,675,079
-326,452
-16% -$26.7M
TYL icon
62
Tyler Technologies
TYL
$13B
$134M 0.5%
605,382
-18,736
-3% -$4.21M
ICE icon
63
Intercontinental Exchange
ICE
$84.5B
$132M 0.49%
1,789,427
+30,995
+2% +$2.26M
FND icon
64
Floor & Decor
FND
$6.3B
$129M 0.48%
2,614,553
+1,797,369
+220% +$92.3M
BN icon
65
Brookfield
BN
$109B
$127M 0.47%
8,803,821
-278,776
-3% -$3.98M
CBM
66
DELISTED
Cambrex Corporation
CBM
$120M 0.45%
2,302,338
+331,005
+17% +$16.5M
RTN
67
DELISTED
Raytheon Company
RTN
$117M 0.43%
604,336
+103,073
+21% +$21.7M
SITE icon
68
SiteOne Landscape Supply
SITE
$4.34B
$116M 0.43%
1,381,147
-3,719
-0.3% -$294K
ABMD
69
DELISTED
Abiomed Inc
ABMD
$116M 0.43%
283,374
-425,957
-60% -$154M
AXTA icon
70
Axalta
AXTA
$8.01B
$116M 0.43%
3,823,111
-106,581
-3% -$3.34M
ECPG icon
71
Encore Capital Group
ECPG
$2.01B
$115M 0.43%
3,134,454
+281,044
+10% +$11.8M
GWR
72
DELISTED
Genesee & Wyoming Inc.
GWR
$114M 0.42%
+1,398,206
New +$106M
JLL icon
73
Jones Lang LaSalle
JLL
$16.4B
$113M 0.42%
683,221
-133,778
-16% -$22.7M
SHOP icon
74
Shopify
SHOP
$200B
$112M 0.42%
7,698,970
+1,835,060
+31% +$26M
EL icon
75
Estee Lauder
EL
$31.5B
$112M 0.42%
784,109
-46,000
-6% -$6.81M
1 2
3
4 5

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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.