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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
LULU icon
1251
CALL
lululemon athletica
LULU
$13.8B
$131K ﹤0.01%
+2,000
New +$145K
SSRI
1252
DELISTED
Silver Standard Resources
SSRI
$130K ﹤0.01%
+20,462
New +$151K
JQC icon
1253
Nuveen Credit Strategies Income Fund
JQC
$708M
$128K ﹤0.01%
+12,840
New +$132K
MFA
1254
MFA Financial
MFA
$934M
$122K ﹤0.01%
+3,624
New +$130K
LOCK
1255
DELISTED
LifeLock, Inc.
LOCK
$117K ﹤0.01%
+10,000
New +$100K
HK
1256
DELISTED
Halcon Resources Corporation
HK
$117K ﹤0.01%
+120
New +$128K
LIME
1257
DELISTED
LIME ENERGY CO.NEW COMMON STOCK
LIME
$111K ﹤0.01%
+24,047
New +$125K
STKL
1258
DELISTED
SunOpta
STKL
$110K ﹤0.01%
+14,515
New +$109K
AMR
1259
DELISTED
AMR CORP
AMR
$104K ﹤0.01%
+25,875
New +$104K
MWW
1260
DELISTED
Monster Worldwide Inc
MWW
$100K ﹤0.01%
+20,375
New +$100K
RMBS icon
1261
Rambus
RMBS
$10.1B
$97K ﹤0.01%
+11,325
New +$84.4K
SVNT
1262
DELISTED
SAVIENT PHARMACEUTICALS INC
SVNT
$95K ﹤0.01%
+170,000
New +$118K
ZQK
1263
DELISTED
QUICKSILVER,INC.
ZQK
$94K ﹤0.01%
+14,610
New +$98.9K
WIFI
1264
DELISTED
Boingo Wireless, Inc.
WIFI
$86K ﹤0.01%
+13,900
New +$90K
DANG
1265
DELISTED
E-COMMERCE CHINA DANGDANG INC SPNSRD ADS REP COM CL A (CYM)
DANG
$85K ﹤0.01%
+12,250
New +$65.9K
KMI.WS
1266
DELISTED
Kinder Morgan Inc
KMI.WS
$84K ﹤0.01%
+16,501
New +$90.5K
SHOR
1267
DELISTED
ShoreTel, Inc.
SHOR
$82K ﹤0.01%
+20,440
New +$79.1K
PBW icon
1268
Invesco WilderHill Clean Energy ETF
PBW
$407M
$79K ﹤0.01%
+2,940
New +$73K
OMER icon
1269
Omeros
OMER
$881M
$76K ﹤0.01%
+15,000
New +$69.2K
SAN icon
1270
Banco Santander
SAN
$206B
$75K ﹤0.01%
+12,753
New +$81.5K
KGC icon
1271
Kinross Gold
KGC
$27.5B
$74K ﹤0.01%
+14,639
New +$85.2K
TPLM
1272
DELISTED
Triangle Petroleum Corporation
TPLM
$72K ﹤0.01%
+10,440
New +$62.2K
EXEL icon
1273
Exelixis
EXEL
$13.7B
$70K ﹤0.01%
+15,500
New +$73.5K
RBBN icon
1274
Ribbon Communications
RBBN
$373M
$70K ﹤0.01%
+4,650
New +$62.1K
LYG icon
1275
Lloyds Banking Group
LYG
$90.6B
$64K ﹤0.01%
+16,582
New +$57.7K

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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.