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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
ULTI
26
DELISTED
Ultimate Software Group Inc
ULTI
$81.6M 0.77%
421,936
-7,918
-2% -$1.38M
CRM icon
27
Salesforce
CRM
$151B
$81.3M 0.77%
1,100,713
+35,662
+3% +$2.46M
CERN
28
DELISTED
Cerner Corp
CERN
$79.6M 0.75%
1,502,950
+72,175
+5% +$3.93M
DXCM icon
29
DexCom
DXCM
$32.2B
$77M 0.73%
4,536,060
+195,476
+5% +$3.27M
VRSK icon
30
Verisk Analytics
VRSK
$25.4B
$75.4M 0.71%
942,980
-47,582
-5% -$3.47M
DIS icon
31
Walt Disney
DIS
$167B
$74M 0.7%
744,972
+134,195
+22% +$13M
TSCO icon
32
Tractor Supply
TSCO
$16.1B
$73.2M 0.69%
4,043,410
+760,935
+23% +$13M
JNJ icon
33
Johnson & Johnson
JNJ
$618B
$71.8M 0.68%
663,238
+42,282
+7% +$4.38M
WDAY icon
34
Workday
WDAY
$39.6B
$71.4M 0.67%
929,061
+199,577
+27% +$13.2M
ORLY icon
35
O'Reilly Automotive
ORLY
$72.9B
$71.2M 0.67%
3,904,110
-242,250
-6% -$4.14M
GOOGL icon
36
Alphabet (Google) Class A
GOOGL
$4.36T
$69.7M 0.66%
1,827,060
+24,600
+1% +$906K
WSO icon
37
Watsco Inc
WSO
$12.7B
$68.4M 0.64%
507,906
+57,017
+13% +$6.92M
GWRE icon
38
Guidewire Software
GWRE
$12.6B
$67.5M 0.64%
1,239,277
+116,996
+10% +$6.11M
ITW icon
39
Illinois Tool Works
ITW
$82.6B
$66.5M 0.63%
649,601
-23,112
-3% -$2.14M
GS icon
40
Goldman Sachs
GS
$300B
$65.8M 0.62%
419,114
+11,406
+3% +$1.76M
EOG icon
41
EOG Resources
EOG
$79.2B
$64.9M 0.61%
893,764
-135,326
-13% -$9.35M
VUG icon
42
Vanguard Morningstar Growth ETF
VUG
$220B
$64.5M 0.61%
3,638,004
+132,678
+4% +$2.22M
CL icon
43
Colgate-Palmolive
CL
$73.1B
$64.3M 0.61%
909,596
-5,980
-0.7% -$398K
GWW icon
44
W.W. Grainger
GWW
$65.3B
$64.1M 0.6%
274,487
+23,017
+9% +$4.82M
CSGP icon
45
CoStar Group
CSGP
$11.7B
$63.9M 0.6%
3,393,770
+83,650
+3% +$1.48M
PX
46
DELISTED
Praxair Inc
PX
$63.8M 0.6%
557,542
-10,564
-2% -$1.1M
PANW icon
47
Palo Alto Networks
PANW
$270B
$63.3M 0.6%
2,327,310
+333,714
+17% +$8.2M
COST icon
48
Costco
COST
$422B
$61.8M 0.58%
391,874
+18,968
+5% +$2.88M
LOW icon
49
Lowe's Companies
LOW
$117B
$59.2M 0.56%
781,129
+33,958
+5% +$2.4M
CHKP icon
50
Check Point Software Technologies
CHKP
$13B
$59M 0.56%
674,243
+12,250
+2% +$985K
1
2
3 4 5

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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.