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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
+771.69%
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
BABA icon
1
Alibaba
BABA
$293B
$1.06B 3.96%
5,736,667
+412,459
+8% +$78.6M
SPY icon
2
State Street SPDR S&P 500 ETF Trust
SPY
$790B
$688M 2.56%
2,537,100
+366,880
+17% +$99.1M
TSM icon
3
TSMC
TSM
$2.1T
$605M 2.25%
16,542,502
-1,587,241
-9% -$62.7M
CPRT icon
4
Copart
CPRT
$27B
$453M 1.69%
32,064,260
-6,665,704
-17% -$90.3M
CSGP icon
5
CoStar Group
CSGP
$11.7B
$440M 1.64%
10,651,220
-913,160
-8% -$35.1M
SU icon
6
Suncor Energy
SU
$79.4B
$365M 1.36%
8,979,994
-205,522
-2% -$8.01M
TD icon
7
Toronto Dominion Bank
TD
$198B
$364M 1.35%
6,282,546
+650,289
+12% +$37.2M
BWXT icon
8
BWX Technologies
BWXT
$15.5B
$357M 1.33%
5,735,295
-134,134
-2% -$8.92M
EHC icon
9
Encompass Health
EHC
$11B
$340M 1.27%
6,319,539
+1,160,454
+22% +$58M
SIX
10
DELISTED
Six Flags Entertainment Corp.
SIX
$335M 1.25%
4,784,387
+204,160
+4% +$13.3M
LYV icon
11
Live Nation Entertainment
LYV
$40.6B
$319M 1.19%
6,571,629
+1,275,668
+24% +$54.6M
BAH icon
12
Booz Allen Hamilton
BAH
$8.39B
$316M 1.17%
7,219,646
-165,955
-2% -$6.96M
AMZN icon
13
Amazon
AMZN
$2.92T
$311M 1.16%
3,660,800
-212,280
-5% -$16.8M
DPZ icon
14
Domino's
DPZ
$11.5B
$299M 1.11%
1,058,751
-507,326
-32% -$129M
MTN icon
15
Vail Resorts
MTN
$5.32B
$259M 0.97%
946,100
-28,012
-3% -$6.86M
BALL icon
16
Ball Corp
BALL
$17.3B
$253M 0.94%
7,104,041
+50,347
+0.7% +$1.93M
GOOGL icon
17
Alphabet (Google) Class A
GOOGL
$4.36T
$238M 0.89%
4,215,020
+94,080
+2% +$5.12M
LGND icon
18
Ligand Pharmaceuticals
LGND
$5.76B
$236M 0.88%
1,822,629
+172,964
+10% +$19.3M
MSFT icon
19
Microsoft
MSFT
$3.45T
$232M 0.86%
2,354,760
-84,818
-3% -$8.22M
TRU icon
20
TransUnion
TRU
$15.1B
$226M 0.84%
3,148,487
-36,478
-1% -$2.43M
GWRE icon
21
Guidewire Software
GWRE
$12.6B
$223M 0.83%
2,511,635
-574,909
-19% -$50.9M
CVSA
22
Covista Inc
CVSA
$4.25B
$218M 0.81%
4,542,528
-153,492
-3% -$7.34M
MLM icon
23
Martin Marietta Materials
MLM
$31.5B
$216M 0.8%
965,128
+166,999
+21% +$35.6M
IWD icon
24
iShares Russell 1000 Value ETF
IWD
$82.2B
$213M 0.79%
1,758,700
-704,100
-29% -$85.6M
UNH icon
25
UnitedHealth
UNH
$376B
$211M 0.79%
861,255
-21,865
-2% -$5.25M
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.