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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
+3.05%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$65B
AUM Growth
+$3.08B
Cap. Flow
+$214M
Cap. Flow %
0.33%
Top 10 Hldgs %
7.07%
Holding
2,420
New
292
Increased
857
Reduced
826
Closed
260

Sector Composition

Rank Sector Weight
1 Healthcare 7.54%
2 Industrials 7.52%
3 Consumer Discretionary 6.41%
4 Technology 6.29%
5 Financials 6.1%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
WEC icon
701
WEC Energy
WEC
$35.2B
$1.98M ﹤0.01%
39,988
-578
-1% -$30.2K
AET
702
DELISTED
Aetna Inc
AET
$1.94M ﹤0.01%
18,204
+1,134
+7% +$111K
XRAY icon
703
Dentsply Sirona
XRAY
$2.44B
$1.94M ﹤0.01%
38,035
+535
+1% +$27.6K
RNET
704
DELISTED
RigNet, Inc.
RNET
$1.93M ﹤0.01%
67,643
-41,600
-38% -$1.37M
AAP icon
705
Advance Auto Parts
AAP
$3.47B
$1.92M ﹤0.01%
12,812
-50
-0.4% -$7.71K
CPB icon
706
Campbell Soup
CPB
$6.89B
$1.91M ﹤0.01%
41,104
+2,125
+5% +$98.1K
NOC icon
707
Northrop Grumman
NOC
$80.8B
$1.87M ﹤0.01%
11,648
+328
+3% +$52.4K
DGX icon
708
Quest Diagnostics
DGX
$26.3B
$1.87M ﹤0.01%
24,366
-1,710
-7% -$122K
TWX
709
DELISTED
Time Warner Inc
TWX
$1.86M ﹤0.01%
22,057
-883
-4% -$73.4K
IBB icon
710
iShares Biotechnology ETF
IBB
$9.69B
$1.85M ﹤0.01%
16,158
+357
+2% +$39.4K
J icon
711
Jacobs Solutions
J
$17.1B
$1.85M ﹤0.01%
49,457
-1,023,234
-95% -$35.9M
ATR icon
712
AptarGroup
ATR
$8.67B
$1.84M ﹤0.01%
28,912
-1,295
-4% -$83.3K
GG
713
DELISTED
Goldcorp Inc
GG
$1.83M ﹤0.01%
101,250
-550
-0.5% -$11.7K
SE
714
DELISTED
Spectra Energy Corp Wi
SE
$1.81M ﹤0.01%
50,202
-1,959
-4% -$68.6K
GAS
715
DELISTED
AGL Resources Inc
GAS
$1.8M ﹤0.01%
36,347
-2,838
-7% -$147K
YELP icon
716
Yelp
YELP
$1.44B
$1.79M ﹤0.01%
+37,911
New +$1.88M
JOY
717
DELISTED
Joy Global Inc
JOY
$1.79M ﹤0.01%
45,600
+5,425
+14% +$230K
FSP
718
Franklin Street Properties
FSP
$46M
$1.77M ﹤0.01%
138,193
+60,000
+77% +$769K
ZU
719
DELISTED
ZULILY INC CLASS A COMMON STOCK
ZU
$1.76M ﹤0.01%
135,845
-74,734
-35% -$1.24M
TIF
720
DELISTED
Tiffany & Co.
TIF
$1.76M ﹤0.01%
19,998
-325
-2% -$29.1K
SIRI icon
721
SiriusXM
SIRI
$10B
$1.75M ﹤0.01%
45,911
+575
+1% +$21.6K
EEMV icon
722
iShares MSCI Emerging Markets Min Vol Factor ETF
EEMV
$3.55B
$1.75M ﹤0.01%
+29,615
New +$1.71M
NFG icon
723
National Fuel Gas
NFG
$7.66B
$1.74M ﹤0.01%
28,754
-2,051
-7% -$132K
SEP
724
DELISTED
Spectra Engy Parters Lp
SEP
$1.73M ﹤0.01%
33,372
-1,800
-5% -$96.4K
GPN icon
725
Global Payments
GPN
$22.6B
$1.73M ﹤0.01%
37,674
-60
-0.2% -$2.67K

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William Blair & Company's Q1 2015 Portfolio in Review

As of Q1 2015, William Blair & Company held 2,420 positions worth $65B, up 5% from $61.9B the previous quarter. Its ten largest holdings account for 7.1% of the portfolio.

William Blair & Company's Q1 2015 filing shows 292 new, 857 increased, 826 reduced and 260 closed positions. Its largest new stake was First American: 468,238 shares worth $16.7M. The largest sale was PRECISION CASTPARTS CORP, an estimated $146M.

By sector, the portfolio is most concentrated in Healthcare at 7.5% of assets, down from 7.7% a quarter earlier, followed by Industrials and Consumer Discretionary.

  • William Blair & Company's largest Q1 2015 buy was First American: 468,238 shares worth $16.7M.
  • William Blair & Company added most to Cerner Corp in Q1 2015, an estimated $197M increase.
  • William Blair & Company's biggest Q1 2015 reduction was PRECISION CASTPARTS CORP, cutting an estimated $146M.
  • William Blair & Company fully exited Global Brokerage, Inc. Class A Common Stock in Q1 2015, selling an estimated $91.3M.
  • William Blair & Company's ten largest holdings make up 7.1% of its $65B portfolio in Q1 2015.
  • William Blair & Company opened 292 new positions and closed 260 in Q1 2015.
  • William Blair & Company's portfolio value rose 5% quarter-over-quarter to $65B.

Based on William Blair & Company's 13F filing for Q1 2015, filed 11 May 2015.