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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
REXR icon
376
Rexford Industrial Realty
REXR
$8.07B
$3.32M 0.01%
+105,732
New +$3.23M
PRMW
377
DELISTED
Primo Water Corporation
PRMW
$3.29M 0.01%
+198,966
New +$3.09M
ITUB icon
378
Itaú Unibanco
ITUB
$82.7B
$3.23M 0.01%
640,450
-374,945
-37% -$2.33M
CAT icon
379
Caterpillar
CAT
$388B
$3.15M 0.01%
23,258
– –
VTWO icon
380
Vanguard Russell 2000 ETF
VTWO
$17.3B
$3.13M 0.01%
47,644
+5,892
+14% +$379K
APLE icon
381
Apple Hospitality REIT
APLE
$3.68B
$2.99M 0.01%
167,071
-1,023
-0.6% -$18.7K
WPM icon
382
Wheaton Precious Metals
WPM
$61B
$2.84M 0.01%
128,818
+31,127
+32% +$670K
RS icon
383
Reliance Steel & Aluminium
RS
$21.6B
$2.83M 0.01%
32,347
-198
-0.6% -$18K
GNBC
384
DELISTED
Green Bancorp, Inc
GNBC
$2.76M 0.01%
127,710
-659,845
-84% -$15.1M
EQNR icon
385
Equinor
EQNR
$97.2B
$2.49M 0.01%
+94,173
New +$2.45M
RIO icon
386
Rio Tinto
RIO
$164B
$2.42M 0.01%
43,655
-23,532
-35% -$1.32M
ANET icon
387
Arista Networks
ANET
$250B
$2.12M 0.01%
131,984
– –
ORLY icon
388
O'Reilly Automotive
ORLY
$74.9B
$1.91M 0.01%
104,505
– –
DNKN
389
DELISTED
Dunkin' Brands Group, Inc.
DNKN
$1.62M 0.01%
23,519
-590
-2% -$37.9K
PAM icon
390
Pampa Energía
PAM
$4.28B
$1.51M 0.01%
42,233
-538,323
-93% -$27.8M
ETFC
391
DELISTED
E*Trade Financial Corporation
ETFC
$1.22M ﹤0.01%
19,999
-7,032
-26% -$435K
WPX
392
DELISTED
WPX Energy, Inc.
WPX
$1.18M ﹤0.01%
65,374
-6,983
-10% -$120K
TRGP icon
393
Targa Resources
TRGP
$56.9B
$1.15M ﹤0.01%
23,162
+653
+3% +$31K
MELI icon
394
Mercado Libre
MELI
$98.4B
$1.13M ﹤0.01%
3,788
-4,347
-53% -$1.37M
AMG icon
395
Affiliated Managers Group
AMG
$9.48B
$1.1M ﹤0.01%
7,425
-203,425
-96% -$33.5M
SIVB
396
DELISTED
SVB Financial Group
SIVB
$1.09M ﹤0.01%
3,779
-399
-10% -$117K
GNTX icon
397
Gentex
GNTX
$5.04B
$1.08M ﹤0.01%
+47,110
New +$1.12M
ATO icon
398
Atmos Energy
ATO
$28.6B
$1.07M ﹤0.01%
11,924
-5,967
-33% -$517K
CDNS icon
399
Cadence Design Systems
CDNS
$90.2B
$1.07M ﹤0.01%
24,674
+6,548
+36% +$269K
EPR icon
400
EPR Properties
EPR
$4.58B
$1.06M ﹤0.01%
16,432
-1,756
-10% -$104K
14 15
16
17 18

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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.