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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
+1.51%
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
$50.6B
AUM Growth
Cap. Flow
+$50.4B
Cap. Flow %
99.68%
Top 10 Hldgs %
8.34%
Holding
1,990
New
1,988
Increased
Reduced
Closed

Top Sells

No sells this quarter

Sector Composition

Rank Sector Weight
1 Industrials 8.67%
2 Technology 6.78%
3 Consumer Discretionary 6.2%
4 Healthcare 5.82%
5 Financials 5.35%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
A icon
1001
Agilent Technologies
A
$39.1B
$449K ﹤0.01%
+14,710
New +$457K
MAIN icon
1002
Main Street Capital
MAIN
$5.06B
$449K ﹤0.01%
+16,206
New +$476K
IEX icon
1003
IDEX
IEX
$17B
$448K ﹤0.01%
+8,323
New +$444K
AVA icon
1004
Avista
AVA
$3.34B
$446K ﹤0.01%
+16,502
New +$453K
STBI
1005
DELISTED
STURGIS BANCORP INC
STBI
$443K ﹤0.01%
+55,450
New +$443K
MXIM
1006
DELISTED
Maxim Integrated Products
MXIM
$442K ﹤0.01%
+15,940
New +$483K
AOI
1007
DELISTED
Alliance One International
AOI
$440K ﹤0.01%
+11,600
New +$434K
TGP
1008
DELISTED
Teekay LNG Partners L.P.
TGP
$438K ﹤0.01%
+10,042
New +$424K
TFX icon
1009
Teleflex
TFX
$6.05B
$437K ﹤0.01%
+5,645
New +$453K
VLO icon
1010
Valero Energy
VLO
$90.1B
$437K ﹤0.01%
+12,575
New +$479K
IEP icon
1011
Icahn Enterprises
IEP
$5.24B
$434K ﹤0.01%
+5,965
New +$439K
IDCC icon
1012
InterDigital
IDCC
$7.87B
$431K ﹤0.01%
+9,656
New +$433K
WIN
1013
DELISTED
Windstream Holdings Inc
WIN
$431K ﹤0.01%
+7,148
New +$466K
MITSY
1014
DELISTED
MITSUI & CO LTD ADR (US)
MITSY
$429K ﹤0.01%
+1,699
New +$429K
SON icon
1015
Sonoco
SON
$5.57B
$424K ﹤0.01%
+12,294
New +$429K
WLY icon
1016
John Wiley & Sons Class A
WLY
$2.65B
$422K ﹤0.01%
+10,515
New +$408K
AHGP
1017
DELISTED
Alliance Holdings GP
AHGP
$417K ﹤0.01%
+6,550
New +$385K
XLI icon
1018
State Street Industrial Select Sector SPDR ETF
XLI
$32.8B
$416K ﹤0.01%
+9,781
New +$415K
IMGN
1019
DELISTED
Immunogen Inc
IMGN
$414K ﹤0.01%
+25,000
New +$405K
DOL icon
1020
WisdomTree True Developed International Fund
DOL
$830M
$411K ﹤0.01%
+9,325
New +$437K
VIV icon
1021
Telefônica Brasil
VIV
$20.6B
$410K ﹤0.01%
+17,989
New +$459K
DBB icon
1022
Invesco DB Base Metals Fund
DBB
$312M
$409K ﹤0.01%
+25,354
New +$431K
FTNT icon
1023
Fortinet
FTNT
$119B
$409K ﹤0.01%
+117,055
New +$436K
CRR
1024
DELISTED
Carbo Ceramics Inc.
CRR
$408K ﹤0.01%
+6,058
New +$449K
ADI icon
1025
Analog Devices
ADI
$179B
$406K ﹤0.01%
+9,022
New +$406K

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William Blair & Company's Q2 2013 Portfolio in Review

Q2 2013 is the first quarter with a 13F filing on record for William Blair & Company, which disclosed 1,990 positions worth $50.6B. Its ten largest holdings account for 8.3% of the portfolio.

Its largest position is Stericycle Inc: 4,074,645 shares worth $450M.

By sector, the portfolio is most concentrated in Industrials at 8.7% of assets, followed by Technology and Consumer Discretionary.

  • William Blair & Company's largest Q2 2013 buy was Stericycle Inc: 4,074,645 shares worth $450M.
  • William Blair & Company's ten largest holdings make up 8.3% of its $50.6B portfolio in Q2 2013.
  • William Blair & Company disclosed 1,990 positions in Q2 2013, its first 13F filing on record.

Based on William Blair & Company's 13F filing for Q2 2013, filed 7 Aug 2013.