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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
+9.49%
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
$26.5B
AUM Growth
+$1.43B
Cap. Flow
-$460M
Cap. Flow %
-1.74%
Top 10 Hldgs %
15.7%
Holding
479
New
44
Increased
159
Reduced
219
Closed
47

Top Buys

Rank Stock Value
1
BABA icon
Alibaba
BABA
+$316M
2
TCOM icon
Trip.com Group
TCOM
+$140M
3
BWXT icon
BWX Technologies
BWXT
+$116M
4
UNH icon
UnitedHealth
UNH
+$102M
5
MTN icon
Vail Resorts
MTN
+$101M

Top Sells

Rank Stock Value
1
TD icon
Toronto Dominion Bank
TD
+$254M
2
TDG icon
TransDigm Group
TDG
+$202M
3
MJN
Mead Johnson Nutrition Company
MJN
+$192M
4
AKAM icon
Akamai
AKAM
+$157M
5
DG icon
Dollar General
DG
+$128M

Sector Composition

Rank Sector Weight
1 Consumer Discretionary 15.46%
2 Industrials 13.64%
3 Financials 13.02%
4 Healthcare 11.83%
5 Technology 10.92%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
BABA icon
1
Alibaba
BABA
$276B
$820M 3.1%
7,603,566
+3,110,026
+69% +$316M
TSM icon
2
TSMC
TSM
$1.94T
$580M 2.19%
17,666,683
-2,286,385
-11% -$71.4M
SPY icon
3
State Street SPDR S&P 500 ETF Trust
SPY
$771B
$471M 1.78%
1,996,424
-188,400
-9% -$43.8M
WP
4
DELISTED
Worldpay, Inc.
WP
$370M 1.4%
5,769,789
+171,224
+3% +$10.9M
CPRT icon
5
Copart
CPRT
$28.5B
$341M 1.29%
44,004,360
+10,596,560
+32% +$77.9M
CSGP icon
6
CoStar Group
CSGP
$12.2B
$336M 1.27%
16,219,630
+105,600
+0.7% +$2.15M
AMZN icon
7
Amazon
AMZN
$2.44T
$317M 1.2%
7,140,980
-576,620
-7% -$24M
SIX
8
DELISTED
Six Flags Entertainment Corp.
SIX
$314M 1.18%
5,271,644
+452,974
+9% +$27.1M
RHT
9
DELISTED
Red Hat Inc
RHT
$307M 1.16%
3,544,151
-716,347
-17% -$56.9M
GOOGL icon
10
Alphabet (Google) Class A
GOOGL
$4.12T
$302M 1.14%
7,127,640
-619,060
-8% -$26M
IWD icon
11
iShares Russell 1000 Value ETF
IWD
$81.4B
$301M 1.14%
2,619,000
-179,100
-6% -$20.5M
SBAC icon
12
SBA Communications
SBAC
$19.8B
$297M 1.12%
2,466,382
+101,156
+4% +$11.2M
MSFT icon
13
Microsoft
MSFT
$2.9T
$292M 1.1%
4,427,282
-196,426
-4% -$12.6M
TSCO icon
14
Tractor Supply
TSCO
$16.3B
$283M 1.07%
20,492,140
+1,631,175
+9% +$23.7M
CSRA
15
DELISTED
CSRA Inc.
CSRA
$279M 1.05%
9,515,724
+445,335
+5% +$13.7M
BWXT icon
16
BWX Technologies
BWXT
$14.4B
$279M 1.05%
5,853,746
+2,662,072
+83% +$116M
BAH icon
17
Booz Allen Hamilton
BAH
$8.44B
$275M 1.04%
7,762,874
+672,544
+9% +$24M
MMS icon
18
Maximus
MMS
$3.32B
$275M 1.04%
4,416,279
+566,292
+15% +$33.3M
SU icon
19
Suncor Energy
SU
$77.7B
$269M 1.02%
8,794,169
+1,877,825
+27% +$59.1M
CHKP icon
20
Check Point Software Technologies
CHKP
$14.3B
$263M 0.99%
2,560,834
+155,142
+6% +$15.2M
AMG icon
21
Affiliated Managers Group
AMG
$9.51B
$260M 0.98%
1,583,415
-114,513
-7% -$18.1M
BALL icon
22
Ball Corp
BALL
$17.5B
$259M 0.98%
6,985,226
+1,430,704
+26% +$53.4M
ZTS icon
23
Zoetis
ZTS
$32.7B
$257M 0.97%
4,823,746
+173,898
+4% +$9.4M
MTN icon
24
Vail Resorts
MTN
$5.7B
$252M 0.95%
1,312,463
+570,087
+77% +$101M
GWRE icon
25
Guidewire Software
GWRE
$13.9B
$247M 0.93%
4,389,763
+240,337
+6% +$13.1M
1
2 3 4 5

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William Blair Investment Management's Q1 2017 Portfolio in Review

As of Q1 2017, William Blair Investment Management held 479 positions worth $26.5B, up 5.7% from $25B the previous quarter. Its ten largest holdings account for 16% of the portfolio.

William Blair Investment Management's Q1 2017 filing shows 44 new, 159 increased, 219 reduced and 47 closed positions. Its largest new stake was Michaels Stores, Inc: 4,240,011 shares worth $94.9M. The largest sale was Toronto Dominion Bank, an estimated $254M.

By sector, the portfolio is most concentrated in Consumer Discretionary at 15% of assets, up from 12% a quarter earlier, followed by Industrials and Financials.

  • William Blair Investment Management's largest Q1 2017 buy was Michaels Stores, Inc: 4,240,011 shares worth $94.9M.
  • William Blair Investment Management added most to Alibaba in Q1 2017, an estimated $316M increase.
  • William Blair Investment Management's biggest Q1 2017 reduction was Toronto Dominion Bank, cutting an estimated $254M.
  • William Blair Investment Management fully exited Mead Johnson Nutrition Company in Q1 2017, selling an estimated $192M.
  • William Blair Investment Management's ten largest holdings make up 16% of its $26.5B portfolio in Q1 2017.
  • William Blair Investment Management opened 44 new positions and closed 47 in Q1 2017.
  • William Blair Investment Management's portfolio value rose 5.7% quarter-over-quarter to $26.5B.

Based on William Blair Investment Management's 13F filing for Q1 2017, filed 10 May 2017.