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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
+4.38%
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
$61.9B
AUM Growth
+$3.42B
Cap. Flow
+$1.81B
Cap. Flow %
2.93%
Top 10 Hldgs %
6.58%
Holding
2,343
New
217
Increased
904
Reduced
850
Closed
216

Sector Composition

Rank Sector Weight
1 Industrials 8.07%
2 Healthcare 7.65%
3 Consumer Discretionary 6.48%
4 Technology 6.31%
5 Financials 6.3%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
TIVO
1426
CALL
DELISTED
Tivo Inc
TIVO
-700
Closed -$13K
PIR
1427
DELISTED
Pier 1 Imports, Inc.
PIR
-32,127
Closed -$7.64M
WAIR
1428
DELISTED
WESCO Aircraft Holdings Inc.
WAIR
-56,277
Closed -$979K
CRR
1429
DELISTED
Carbo Ceramics Inc.
CRR
-3,701
Closed -$218K
HOS
1430
DELISTED
Hornbeck Offshore Services, Inc.
HOS
-591,495
Closed -$19.4M
NCI
1431
DELISTED
Navigant Consulting, Inc.
NCI
-12,000
Closed -$167K
MBTF
1432
DELISTED
MBT Financial Corporation
MBTF
-47,896
Closed -$228K
RDC
1433
DELISTED
Rowan Companies Plc
RDC
-29,907
Closed -$757K
NAUH
1434
DELISTED
National American University Holdings, Inc.
NAUH
-18,225
Closed -$55K
SODA
1435
DELISTED
SodaStream International Ltd
SODA
-7,125
Closed -$210K
GST
1436
DELISTED
Gastar Exploration Inc.
GST
-15,000
Closed -$88K
ILG
1437
DELISTED
ILG, Inc Common Stock
ILG
-15,936
Closed -$304K
WIN
1438
DELISTED
Windstream Holdings Inc
WIN
-5,110
Closed -$431K
CCC
1439
DELISTED
Calgon Carbon Corp
CCC
-451,333
Closed -$8.75M
CUDA
1440
DELISTED
Barracuda Networks, Inc.
CUDA
-8,534
Closed -$218K
GIMO
1441
DELISTED
Gigamon Inc.
GIMO
-11,000
Closed -$115K
ATW
1442
DELISTED
Atwood Oceanics
ATW
-7,090
Closed -$309K
PWE
1443
DELISTED
Penn West Energy Petroleum Ltd
PWE
-11,107
Closed -$75K
SALE
1444
DELISTED
RetailMeNot, Inc. Series 1
SALE
-64,164
Closed -$1.04M
TPLM
1445
DELISTED
Triangle Petroleum Corporation
TPLM
-10,915
Closed -$120K
ISIL
1446
DELISTED
Intersil Corp
ISIL
-856,520
Closed -$12.2M
ARIA
1447
DELISTED
Ariad Pharmaceuticals Inc
ARIA
-43,685
Closed -$236K
FEIC
1448
DELISTED
FEI COMPANY
FEIC
-3,010
Closed -$227K
TE
1449
DELISTED
TECO ENERGY INC
TE
-10,630
Closed -$184K
HERO
1450
DELISTED
HERCULES OFFSHORE INC COM STK
HERO
-16,000
Closed -$35K

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William Blair & Company's Q4 2014 Portfolio in Review

As of Q4 2014, William Blair & Company held 2,343 positions worth $61.9B, up 5.8% from $58.5B the previous quarter. Its ten largest holdings account for 6.6% of the portfolio.

William Blair & Company's Q4 2014 filing shows 217 new, 904 increased, 850 reduced and 216 closed positions. Its largest new stake was NetEase: 7,341,640 shares worth $146M. The largest sale was Canadian Pacific Kansas City, an estimated $147M.

By sector, the portfolio is most concentrated in Industrials at 8.1% of assets, down from 8.4% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • William Blair & Company's largest Q4 2014 buy was NetEase: 7,341,640 shares worth $146M.
  • William Blair & Company added most to TOWERS WATSON & CO COM STK CL A (DE) in Q4 2014, an estimated $164M increase.
  • William Blair & Company's biggest Q4 2014 reduction was Canadian Pacific Kansas City, cutting an estimated $147M.
  • William Blair & Company fully exited Fang Holdings Limited American Depositary Shares (each representing ten Class A Ordinary Shares) in Q4 2014, selling an estimated $46.8M.
  • William Blair & Company's ten largest holdings make up 6.6% of its $61.9B portfolio in Q4 2014.
  • William Blair & Company opened 217 new positions and closed 216 in Q4 2014.
  • William Blair & Company's portfolio value rose 5.8% quarter-over-quarter to $61.9B.

Based on William Blair & Company's 13F filing for Q4 2014, filed 5 Feb 2015.