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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
+5.57%
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
$23.8B
AUM Growth
+$71.3M
Cap. Flow
-$999M
Cap. Flow %
-4.19%
Top 10 Hldgs %
19.3%
Holding
434
New
28
Increased
138
Reduced
201
Closed
62

Top Buys

Rank Stock Value
1
ABMD
Abiomed Inc
ABMD
+$167M
2
BJ icon
BJs Wholesale Club
BJ
+$145M
3
AVLR
Avalara, Inc.
AVLR
+$122M
4
AMED
Amedisys
AMED
+$106M
5
SBNY
Signature Bank
SBNY
+$105M

Top Sells

Rank Stock Value
1
BALL icon
Ball Corp
BALL
+$267M
2
VEEV icon
Veeva Systems
VEEV
+$257M
3
CSGP icon
CoStar Group
CSGP
+$209M
4
BAH icon
Booz Allen Hamilton
BAH
+$146M
5
CE icon
Celanese
CE
+$141M

Sector Composition

Rank Sector Weight
1 Technology 18.31%
2 Healthcare 14.87%
3 Industrials 14.19%
4 Financials 13.92%
5 Consumer Discretionary 13.16%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
EWZ icon
101
iShares MSCI Brazil ETF
EWZ
$8.91B
$67.4M 0.28%
1,540,570
-552,670
-26% -$22.8M
IWD icon
102
iShares Russell 1000 Value ETF
IWD
$84.2B
$67.3M 0.28%
528,880
-694,210
-57% -$86.9M
ROP icon
103
Roper Technologies
ROP
$39.9B
$67.1M 0.28%
183,082
+29,901
+20% +$10.6M
IEMG icon
104
iShares Core MSCI Emerging Markets ETF
IEMG
$155B
$66.8M 0.28%
1,297,950
+7,150
+0.6% +$365K
UNP icon
105
Union Pacific
UNP
$174B
$66.5M 0.28%
393,424
+4,100
+1% +$703K
MELI icon
106
Mercado Libre
MELI
$92.5B
$64.3M 0.27%
+105,151
New +$58.5M
CRM icon
107
Salesforce
CRM
$162B
$60.9M 0.26%
401,203
+64,916
+19% +$10.2M
HALO icon
108
Halozyme
HALO
$11.6B
$60.8M 0.26%
3,538,927
+3,134,003
+774% +$50.6M
WIX icon
109
WIX.com
WIX
$2.61B
$60.2M 0.25%
423,588
-19,365
-4% -$2.61M
JPM icon
110
JPMorgan Chase
JPM
$956B
$57.8M 0.24%
517,081
+5,382
+1% +$593K
BLK icon
111
Blackrock
BLK
$175B
$57.8M 0.24%
123,147
+1,279
+1% +$579K
TMO icon
112
Thermo Fisher Scientific
TMO
$222B
$57.5M 0.24%
195,798
+2,035
+1% +$560K
ACN icon
113
Accenture
ACN
$109B
$57M 0.24%
308,674
-11,494
-4% -$2.06M
ASR icon
114
Grupo Aeroportuario del Sureste
ASR
$8.24B
$56.2M 0.24%
346,820
+110,320
+47% +$18M
LULU icon
115
lululemon athletica
LULU
$14.5B
$56.1M 0.24%
311,283
-17,615
-5% -$3.06M
BALL icon
116
Ball Corp
BALL
$16.6B
$52.1M 0.22%
743,929
-4,301,958
-85% -$267M
TAL icon
117
TAL Education Group
TAL
$6.93B
$51.8M 0.22%
1,360,612
-82,860
-6% -$3M
ABEV icon
118
Ambev
ABEV
$45.4B
$51.6M 0.22%
11,056,231
-697,977
-6% -$3.13M
LQD icon
119
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
$32.6B
$51.6M 0.22%
414,680
-5,100
-1% -$612K
IDXX icon
120
Idexx Laboratories
IDXX
$46.9B
$50.5M 0.21%
183,411
+61,078
+50% +$15M
EFX icon
121
Equifax
EFX
$21.3B
$48.7M 0.2%
360,159
-60,453
-14% -$7.58M
TXN icon
122
Texas Instruments
TXN
$256B
$47.9M 0.2%
417,109
+63,847
+18% +$7.14M
NEE icon
123
NextEra Energy
NEE
$177B
$47.6M 0.2%
928,812
+9,592
+1% +$472K
GREK
124
Global X MSCI Greece ETF
GREK
$330M
$46.6M 0.2%
1,624,053
+181,113
+13% +$4.69M
TTC icon
125
Toro Company
TTC
$9.4B
$46.2M 0.19%
691,201
-350,630
-34% -$24.6M
3 4
5
6 7

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William Blair Investment Management's Q2 2019 Portfolio in Review

As of Q2 2019, William Blair Investment Management held 434 positions worth $23.8B, up 0.3% from $23.8B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair Investment Management withdrew a net $999M in Q2 2019, closing 62 positions and reducing 201 holdings. Its most notable exit was Inogen, an estimated $100M position sold in full.

By sector, the portfolio is most concentrated in Technology at 18% of assets, up from 17% a quarter earlier, followed by Healthcare and Industrials.

Against the trend, William Blair Investment Management opened a new position in BJs Wholesale Club worth $144M.

  • William Blair Investment Management's largest Q2 2019 buy was BJs Wholesale Club: 5,465,561 shares worth $144M.
  • William Blair Investment Management added most to Abiomed Inc in Q2 2019, an estimated $167M increase.
  • William Blair Investment Management's biggest Q2 2019 reduction was Ball Corp, cutting an estimated $267M.
  • William Blair Investment Management fully exited Inogen in Q2 2019, selling an estimated $100M.
  • William Blair Investment Management's ten largest holdings make up 19% of its $23.8B portfolio in Q2 2019.
  • William Blair Investment Management opened 28 new positions and closed 62 in Q2 2019.
  • William Blair Investment Management's portfolio value rose 0.3% quarter-over-quarter to $23.8B.

Based on William Blair Investment Management's 13F filing for Q2 2019, filed 9 Aug 2019.