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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
+7.86%
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
$28.9B
AUM Growth
+$2.01B
Cap. Flow
+$420M
Cap. Flow %
1.46%
Top 10 Hldgs %
17.78%
Holding
509
New
33
Increased
212
Reduced
167
Closed
90

Top Buys

Rank Stock Value
1
RCI icon
Rogers Communications
RCI
+$228M
2
BN icon
Brookfield
BN
+$96.9M
3
EEFT icon
Euronet Worldwide
EEFT
+$92.3M
4
TFX icon
Teleflex
TFX
+$84.9M
5
P
Everpure Inc
P
+$79.7M

Top Sells

Rank Stock Value
1
YUMC icon
Yum China
YUMC
+$188M
2
CRL icon
Charles River Laboratories
CRL
+$188M
3
FND icon
Floor & Decor
FND
+$129M
4
TWOU
2U Inc
TWOU
+$87.5M
5
MTN icon
Vail Resorts
MTN
+$71.8M

Sector Composition

Rank Sector Weight
1 Technology 16.83%
2 Healthcare 15.47%
3 Industrials 13.49%
4 Consumer Discretionary 13%
5 Financials 12.64%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
BABA icon
1
Alibaba
BABA
$305B
$926M 3.21%
5,622,941
-113,726
-2% -$20.1M
TSM icon
2
TSMC
TSM
$2.11T
$761M 2.63%
17,228,908
+686,406
+4% +$28.4M
SPY icon
3
State Street SPDR S&P 500 ETF Trust
SPY
$806B
$691M 2.39%
2,377,200
-159,900
-6% -$45.5M
TD icon
4
Toronto Dominion Bank
TD
$200B
$426M 1.47%
7,001,594
+719,048
+11% +$42.8M
CSGP icon
5
CoStar Group
CSGP
$12.2B
$418M 1.45%
9,937,060
-714,160
-7% -$30.5M
BWXT icon
6
BWX Technologies
BWXT
$15.9B
$416M 1.44%
6,647,175
+911,880
+16% +$57.7M
EHC icon
7
Encompass Health
EHC
$11.2B
$401M 1.39%
6,470,508
+150,969
+2% +$9.18M
LYV icon
8
Live Nation Entertainment
LYV
$42.3B
$367M 1.27%
6,744,057
+172,428
+3% +$8.73M
CPRT icon
9
Copart
CPRT
$27.2B
$366M 1.27%
28,411,248
-3,653,012
-11% -$54.6M
BAH icon
10
Booz Allen Hamilton
BAH
$8.56B
$363M 1.26%
7,304,675
+85,029
+1% +$4.15M
AMZN icon
11
Amazon
AMZN
$3.06T
$350M 1.21%
3,492,780
-168,020
-5% -$15.8M
SIX
12
DELISTED
Six Flags Entertainment Corp.
SIX
$346M 1.2%
4,949,544
+165,157
+3% +$11.2M
SU icon
13
Suncor Energy
SU
$77.9B
$335M 1.16%
8,663,700
-316,294
-4% -$12.8M
BALL icon
14
Ball Corp
BALL
$17.3B
$316M 1.1%
7,190,814
+86,773
+1% +$3.53M
VEEV icon
15
Veeva Systems
VEEV
$33.5B
$290M 1%
2,666,366
+100,561
+4% +$9.12M
P
16
Everpure Inc
P
$26.6B
$289M 1%
11,149,520
+3,209,534
+40% +$79.7M
DXCM icon
17
DexCom
DXCM
$32.9B
$285M 0.99%
7,961,052
-78,192
-1% -$2.42M
LGND icon
18
Ligand Pharmaceuticals
LGND
$5.85B
$283M 0.98%
1,651,371
-171,258
-9% -$25.8M
MSFT icon
19
Microsoft
MSFT
$3.62T
$256M 0.89%
2,235,789
-118,971
-5% -$12.9M
GOOGL icon
20
Alphabet (Google) Class A
GOOGL
$4.57T
$255M 0.88%
4,232,720
+17,700
+0.4% +$1.07M
GWRE icon
21
Guidewire Software
GWRE
$13.1B
$254M 0.88%
2,516,992
+5,357
+0.2% +$515K
TFX icon
22
Teleflex
TFX
$6.18B
$254M 0.88%
955,428
+327,451
+52% +$84.9M
DPZ icon
23
Domino's
DPZ
$12.1B
$252M 0.87%
853,576
-205,175
-19% -$58.1M
MIDD icon
24
Middleby
MIDD
$6.14B
$247M 0.86%
1,910,451
+97,377
+5% +$11.1M
BN icon
25
Brookfield
BN
$107B
$241M 0.84%
15,183,693
+6,379,872
+72% +$96.9M

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William Blair Investment Management's Q3 2018 Portfolio in Review

As of Q3 2018, William Blair Investment Management held 509 positions worth $28.9B, up 7.5% from $26.9B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair Investment Management's Q3 2018 filing shows 33 new, 212 increased, 167 reduced and 90 closed positions. Its largest new stake was Rogers Communications: 4,461,925 shares worth $229M. The largest sale was Yum China, an estimated $188M.

By sector, the portfolio is most concentrated in Technology at 17% of assets, up from 15% a quarter earlier, followed by Healthcare and Industrials.

  • William Blair Investment Management's largest Q3 2018 buy was Rogers Communications: 4,461,925 shares worth $229M.
  • William Blair Investment Management added most to Brookfield in Q3 2018, an estimated $96.9M increase.
  • William Blair Investment Management's biggest Q3 2018 reduction was Vail Resorts, cutting an estimated $71.8M.
  • William Blair Investment Management fully exited Yum China in Q3 2018, selling an estimated $188M.
  • William Blair Investment Management's ten largest holdings make up 18% of its $28.9B portfolio in Q3 2018.
  • William Blair Investment Management opened 33 new positions and closed 90 in Q3 2018.
  • William Blair Investment Management's portfolio value rose 7.5% quarter-over-quarter to $28.9B.

Based on William Blair Investment Management's 13F filing for Q3 2018, filed 13 Nov 2018.