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William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $33.3B
1-Year Est. Return 44.76%
This Fund
S&P 500
This Quarter Est. Return
+1.38%
1 Year Est. Return
+44.76%
3 Year Est. Return
+140.8%
5 Year Est. Return
+166.51%
10 Year Est. Return
+978.6%
AUM
$25.2B
AUM Growth
+$541M
Cap. Flow
+$455M
Cap. Flow %
1.8%
Top 10 Hldgs %
14.45%
Holding
499
New
55
Increased
184
Reduced
204
Closed
49

Top Buys

Rank Stock Value
1
WTW icon
Willis Towers Watson
WTW
+$201M
2
XRAY icon
Dentsply Sirona
XRAY
+$172M
3
CSRA
CSRA Inc.
CSRA
+$164M
4
ZTS icon
Zoetis
ZTS
+$137M
5
AKAM icon
Akamai
AKAM
+$125M

Top Sells

Rank Stock Value
1
SIRO
SIRONA DENTAL SYSTEMS INC COM STK
SIRO
+$199M
2
TW
TOWERS WATSON & CO COM STK CL A (DE)
TW
+$169M
3
PII icon
Polaris
PII
+$169M
4
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$152M
5
MDVN
MEDIVATION, INC.
MDVN
+$151M

Sector Composition

Rank Sector Weight
1 Healthcare 14.5%
2 Financials 12.48%
3 Technology 11.87%
4 Consumer Discretionary 11.84%
5 Industrials 11.39%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
BSMX
351
DELISTED
Banco Santander México, S, A., Institución de Banca Múltiple, Grupo Financiero Santander México
BSMX
$2.7M 0.01%
+298,650
New +$2.39M
IHG icon
352
InterContinental Hotels
IHG
$23B
$2.64M 0.01%
48,542
-9,590
-16% -$460K
SPG icon
353
Simon Property Group
SPG
$71.5B
$2.09M 0.01%
+10,048
New +$1.93M
IWM icon
354
iShares Russell 2000 ETF
IWM
$82.3B
$2.06M 0.01%
18,600
+2,000
+12% +$207K
HOS
355
DELISTED
Hornbeck Offshore Services, Inc.
HOS
$2.01M 0.01%
202,443
+5,921
+3% +$49.7K
IBN icon
356
ICICI Bank
IBN
$107B
$1.96M 0.01%
300,926
+2,364
+0.8% +$13.9K
ISRG icon
357
Intuitive Surgical
ISRG
$142B
$1.9M 0.01%
28,440
– –
ROP icon
358
Roper Technologies
ROP
$39B
$1.8M 0.01%
9,866
– –
EXAS
359
DELISTED
Exact Sciences
EXAS
$1.66M 0.01%
246,900
-5,519,380
-96% -$35.3M
EWY icon
360
iShares MSCI South Korea ETF
EWY
$27B
$1.26M 0.01%
23,800
+8,800
+59% +$425K
VTI icon
361
Vanguard Morningstar Total Stock Market ETF
VTI
$692B
$1.23M ﹤0.01%
11,700
+900
+8% +$89.2K
EWI icon
362
iShares MSCI Italy ETF
EWI
$1.08B
$1.21M ﹤0.01%
49,700
+9,350
+23% +$225K
ILMN icon
363
Illumina
ILMN
$28.7B
$1.1M ﹤0.01%
6,954
– –
NOW icon
364
ServiceNow
NOW
$129B
$1.05M ﹤0.01%
85,550
-1,648,025
-95% -$20.9M
VGK icon
365
Vanguard FTSE Europe ETF
VGK
$31.1B
$1.02M ﹤0.01%
21,000
+2,300
+12% +$108K
CRM icon
366
Salesforce
CRM
$160B
$933K ﹤0.01%
+12,639
New +$870K
INGR icon
367
Ingredion
INGR
$6.56B
$887K ﹤0.01%
8,310
-1,250
-13% -$125K
EWP icon
368
iShares MSCI Spain ETF
EWP
$2.23B
$834K ﹤0.01%
30,700
-34,900
-53% -$916K
VWO icon
369
Vanguard FTSE Emerging Markets ETF
VWO
$126B
$826K ﹤0.01%
23,900
+12,500
+110% +$392K
FRN
370
DELISTED
Invesco Frontier Markets ETF
FRN
$822K ﹤0.01%
75,300
+3,700
+5% +$38K
ATO icon
371
Atmos Energy
ATO
$28.7B
$821K ﹤0.01%
11,056
-1,663
-13% -$114K
CMS icon
372
CMS Energy
CMS
$21.9B
$821K ﹤0.01%
19,354
-2,887
-13% -$113K
CPT icon
373
Camden Property Trust
CPT
$10.8B
$817K ﹤0.01%
9,718
-1,475
-13% -$113K
REI icon
374
Ring Energy
REI
$349M
$802K ﹤0.01%
158,784
-741,344
-82% -$3.68M
ACGL icon
375
Arch Capital
ACGL
$33.6B
$784K ﹤0.01%
33,081
-5,055
-13% -$115K
13 14
15
16 17

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William Blair Investment Management's Q1 2016 Portfolio in Review

As of Q1 2016, William Blair Investment Management held 499 positions worth $25.2B, up 2.2% from $24.7B the previous quarter. Its ten largest holdings account for 14% of the portfolio.

William Blair Investment Management's Q1 2016 filing shows 55 new, 184 increased, 204 reduced and 49 closed positions. Its largest new stake was Willis Towers Watson: 1,741,517 shares worth $207M. The largest sale was SIRONA DENTAL SYSTEMS INC COM STK, an estimated $199M.

By sector, the portfolio is most concentrated in Healthcare at 14% of assets, up from 13% a quarter earlier, followed by Financials and Technology.

  • William Blair Investment Management's largest Q1 2016 buy was Willis Towers Watson: 1,741,517 shares worth $207M.
  • William Blair Investment Management added most to Zoetis in Q1 2016, an estimated $137M increase.
  • William Blair Investment Management's biggest Q1 2016 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $152M.
  • William Blair Investment Management fully exited SIRONA DENTAL SYSTEMS INC COM STK in Q1 2016, selling an estimated $199M.
  • William Blair Investment Management's ten largest holdings make up 14% of its $25.2B portfolio in Q1 2016.
  • William Blair Investment Management opened 55 new positions and closed 49 in Q1 2016.
  • William Blair Investment Management's portfolio value rose 2.2% quarter-over-quarter to $25.2B.

Based on William Blair Investment Management's 13F filing for Q1 2016, filed 16 May 2016.