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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
+4.98%
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
$60.5B
AUM Growth
+$4.27B
Cap. Flow
-$6.02M
Cap. Flow %
-0.01%
Top 10 Hldgs %
8.14%
Holding
2,280
New
233
Increased
803
Reduced
822
Closed
265

Top Buys

Rank Stock Value
1
ABEV icon
Ambev
ABEV
+$275M
2
BIDU icon
Baidu
BIDU
+$202M
3
AKAM icon
Akamai
AKAM
+$127M
4
IPGP icon
IPG Photonics
IPGP
+$107M
5
WP
Worldpay, Inc.
WP
+$106M

Sector Composition

Rank Sector Weight
1 Industrials 8.87%
2 Technology 6.81%
3 Consumer Discretionary 6.54%
4 Healthcare 5.75%
5 Financials 5.4%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
ELNK
426
DELISTED
EarthLink Holdings Corp.
ELNK
$9.97M 0.02%
1,966,260
+197,138
+11% +$1.01M
EXAS
427
DELISTED
Exact Sciences
EXAS
$9.8M 0.02%
838,099
+667,180
+390% +$7.65M
TUES
428
DELISTED
Tuesday Morning Corp
TUES
$9.77M 0.02%
+612,186
New +$8.66M
IL
429
DELISTED
IntraLinks Holdings Inc.
IL
$9.74M 0.02%
804,636
+84,759
+12% +$891K
HSY icon
430
Hershey
HSY
$35.8B
$9.68M 0.02%
99,520
-850
-0.8% -$81.7K
DD
431
DELISTED
Du Pont De Nemours E I
DD
$9.54M 0.02%
154,601
+2,215
+1% +$128K
CORE
432
DELISTED
Core Mark Holding Co., Inc.
CORE
$9.39M 0.02%
494,904
+115,600
+30% +$2.07M
IMPV
433
DELISTED
Imperva, Inc.
IMPV
$9.39M 0.02%
195,115
+188,815
+2,997% +$7.94M
ROSE
434
DELISTED
ROSETTA RESOURCES INC
ROSE
$9.03M 0.01%
188,009
+28,079
+18% +$1.51M
VNQ icon
435
Vanguard Real Estate ETF
VNQ
$39.2B
$9.01M 0.01%
139,566
+14,688
+12% +$982K
FOR icon
436
Forestar Group
FOR
$1.5B
$8.87M 0.01%
416,961
+158,430
+61% +$3.31M
BIIB icon
437
Biogen
BIIB
$30.8B
$8.84M 0.01%
31,599
+10,891
+53% +$2.82M
MGLN
438
DELISTED
Magellan Health Services, Inc.
MGLN
$8.82M 0.01%
147,305
+14,953
+11% +$893K
COP icon
439
ConocoPhillips
COP
$144B
$8.82M 0.01%
124,862
-945
-0.8% -$67.9K
HIW icon
440
Highwoods Properties
HIW
$3.65B
$8.62M 0.01%
238,194
+23,944
+11% +$873K
VOD icon
441
Vodafone
VOD
$36.3B
$8.57M 0.01%
213,987
-22,427
-9% -$844K
PBY
442
DELISTED
PEP BOYS MANNY MOE& JACK
PBY
$8.5M 0.01%
700,025
+70,753
+11% +$910K
TEL icon
443
TE Connectivity
TEL
$62.9B
$8.42M 0.01%
152,752
-4,878
-3% -$257K
PRLB icon
444
Protolabs
PRLB
$2.12B
$8.41M 0.01%
118,217
-181,338
-61% -$14.1M
QQQ icon
445
Invesco QQQ Trust
QQQ
$485B
$8.34M 0.01%
94,767
-5,102
-5% -$425K
EEM icon
446
iShares MSCI Emerging Markets ETF
EEM
$29.7B
$8.27M 0.01%
197,876
+59,683
+43% +$2.5M
CRZO
447
DELISTED
Carrizo Oil & Gas Inc
CRZO
$8.24M 0.01%
+184,112
New +$7.83M
MN
448
DELISTED
MANNING & NAPIER, INC.
MN
$8.22M 0.01%
465,503
+18,992
+4% +$329K
IWV icon
449
iShares Russell 3000 ETF
IWV
$20.3B
$8.19M 0.01%
74,038
+18,753
+34% +$1.99M
MAR icon
450
Marriott International
MAR
$89.9B
$8.12M 0.01%
164,467
-11,800
-7% -$537K

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William Blair & Company's Q4 2013 Portfolio in Review

As of Q4 2013, William Blair & Company held 2,280 positions worth $60.5B, up 7.6% from $56.2B the previous quarter. Its ten largest holdings account for 8.1% of the portfolio.

William Blair & Company's Q4 2013 filing shows 233 new, 803 increased, 822 reduced and 265 closed positions. Its largest new stake was Ambev: 37,612,682 shares worth $276M. The largest sale was COMPANHIA BEBIDA ADS EACH REPSTG 1 PFD SH, an estimated $237M.

By sector, the portfolio is most concentrated in Industrials at 8.9% of assets, down from 9% a quarter earlier, followed by Technology and Consumer Discretionary.

  • William Blair & Company's largest Q4 2013 buy was Ambev: 37,612,682 shares worth $276M.
  • William Blair & Company added most to Baidu in Q4 2013, an estimated $202M increase.
  • William Blair & Company's biggest Q4 2013 reduction was Perrigo, cutting an estimated $186M.
  • William Blair & Company fully exited COMPANHIA BEBIDA ADS EACH REPSTG 1 PFD SH in Q4 2013, selling an estimated $237M.
  • William Blair & Company's ten largest holdings make up 8.1% of its $60.5B portfolio in Q4 2013.
  • William Blair & Company opened 233 new positions and closed 265 in Q4 2013.
  • William Blair & Company's portfolio value rose 7.6% quarter-over-quarter to $60.5B.

Based on William Blair & Company's 13F filing for Q4 2013, filed 11 Feb 2014.