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William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
+0.39%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+512.03%
AUM
$10.6B
AUM Growth
-$28.4M
Cap. Flow
+$48.7M
Cap. Flow %
0.46%
Top 10 Hldgs %
17.73%
Holding
1,332
New
89
Increased
456
Reduced
508
Closed
121

Top Buys

Rank Stock Value
1
XRAY icon
Dentsply Sirona
XRAY
+$51.3M
2
MSFT icon
Microsoft
MSFT
+$36.9M
3
PYPL icon
PayPal
PYPL
+$21.2M
4
AMT icon
American Tower
AMT
+$21.2M
5
OMC icon
Omnicom Group
OMC
+$18.3M

Top Sells

Rank Stock Value
1
SIRO
SIRONA DENTAL SYSTEMS INC COM STK
SIRO
+$57.3M
2
WEX icon
WEX
WEX
+$35.3M
3
ARG
Airgas Inc
ARG
+$29.5M
4
SBAC icon
SBA Communications
SBAC
+$19.6M
5
ESRX
Express Scripts Holding Company
ESRX
+$19M

Sector Composition

Rank Sector Weight
1 Healthcare 18.96%
2 Technology 15.24%
3 Industrials 12.81%
4 Financials 11.94%
5 Consumer Discretionary 11.43%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
WSTC
1201
DELISTED
West Corporation
WSTC
– –
-16,500
Closed -$355K
WFM
1202
CALL
DELISTED
Whole Foods Market Inc
WFM
– –
-1,000
Closed -$33K
CCP
1203
DELISTED
Care Capital Properties, Inc.
CCP
– –
-21,164
Closed -$646K
TNGO
1204
DELISTED
Tangoe, Inc.
TNGO
– –
-14,805
Closed -$123K
YGRO
1205
DELISTED
Royal Bank of Canada Exchange Traded Notes due July 19, 2034 Linked to the Yorkville MLP Distri
YGRO
– –
-12,150
Closed -$129K
STR
1206
DELISTED
QUESTAR CORP
STR
– –
-20,730
Closed -$403K
TLMR
1207
DELISTED
TALMER BANCORP INC (MI)
TLMR
– –
-10,133
Closed -$183K
HPY
1208
DELISTED
HEARTLAND PAYMENT SYSTEMS, INC. COM STK
HPY
– –
-5,048
Closed -$478K
RLD
1209
DELISTED
REALD INC COM STK
RLD
– –
-19,600
Closed -$206K
GMCR
1210
DELISTED
KEURIG GREEN MTN INC
GMCR
– –
-45,049
Closed -$4.05M
SLH
1211
DELISTED
SOLERA HOLDINGS, INC. COM
SLH
– –
-11,200
Closed -$614K
SIRO
1212
DELISTED
SIRONA DENTAL SYSTEMS INC COM STK
SIRO
– –
-522,878
Closed -$57.3M
IGC.WS
1213
DELISTED
INDIA GLOBALIZATION CAPITAL, INC. WTS EXP 3/06/2017
IGC.WS
$0 ﹤0.01%
24,600
– –
PCL
1214
DELISTED
PLUM CREEK TIMBER CO (REIT)
PCL
– –
-23,803
Closed -$1.14M
SWI
1215
DELISTED
SOLARWINDS INC COM STK (DE)
SWI
– –
-22,820
Closed -$1.34M
PCP
1216
DELISTED
PRECISION CASTPARTS CORP
PCP
– –
-74,125
Closed -$17.2M
GTU
1217
DELISTED
CENTRAL GOLD TR (CANADA)
GTU
– –
-16,668
Closed -$628K
TW
1218
DELISTED
TOWERS WATSON & CO COM STK CL A (DE)
TW
– –
-23,177
Closed -$2.98M
VPCO
1219
DELISTED
VAPOR CORP DEL COM STK
VPCO
– –
-13,396
Closed -$7K
DVR
1220
DELISTED
CAL DIVE INTERNATIONAL INC COM
DVR
$0 ﹤0.01%
54,700
– –
AERG
1221
DELISTED
APPLIED ENERGETICS, INC
AERG
$0 ﹤0.01%
10,000
– –
BGP
1222
DELISTED
BORDERS GROUP INC
BGP
$0 ﹤0.01%
10,900
– –
DT
1223
DELISTED
DEUTSCHE TELEKOM AG ADS (1ORD)
DT
– –
-13,530
Closed -$241K
ABPI
1224
DELISTED
Accentia Biopharmaceuticals
ABPI
$0 ﹤0.01%
+17,500
New –
ITY
1225
DELISTED
IMPERIAL TOBACCO GRP ADS(RP 2
ITY
– –
-2,864
Closed -$302K
46 47 48
49
50

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William Blair & Company's Q1 2016 Portfolio in Review

As of Q1 2016, William Blair & Company held 1,332 positions worth $10.6B, down 0.27% from $10.7B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair & Company's Q1 2016 filing shows 89 new, 456 increased, 508 reduced and 121 closed positions. Its largest new stake was Willis Towers Watson: 37,173 shares worth $4.41M. The largest sale was SIRONA DENTAL SYSTEMS INC COM STK, an estimated $57.3M.

By sector, the portfolio is most concentrated in Healthcare at 19% of assets, down from 20% a quarter earlier, followed by Technology and Industrials.

  • William Blair & Company's largest Q1 2016 buy was Willis Towers Watson: 37,173 shares worth $4.41M.
  • William Blair & Company added most to Dentsply Sirona in Q1 2016, an estimated $51.3M increase.
  • William Blair & Company's biggest Q1 2016 reduction was WEX, cutting an estimated $35.3M.
  • William Blair & Company fully exited SIRONA DENTAL SYSTEMS INC COM STK in Q1 2016, selling an estimated $57.3M.
  • William Blair & Company's ten largest holdings make up 18% of its $10.6B portfolio in Q1 2016.
  • William Blair & Company opened 89 new positions and closed 121 in Q1 2016.
  • William Blair & Company's portfolio value fell 0.27% quarter-over-quarter to $10.6B.

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