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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
MRCY icon
1301
Mercury Systems
MRCY
$6.71B
$156K ﹤0.01%
10,078
-1,250
-11% -$19.7K
TLMR
1302
DELISTED
TALMER BANCORP INC (MI)
TLMR
$155K ﹤0.01%
10,133
-20,133
-67% -$283K
AOI
1303
DELISTED
Alliance One International
AOI
$150K ﹤0.01%
13,700
+2,000
+17% +$22.4K
PGNX
1304
DELISTED
Progenics Pharmaceuticals Inc
PGNX
$143K ﹤0.01%
24,000
+12,000
+100% +$75.5K
DSE
1305
DELISTED
Duff & Phelps Select MLP and Midstream Energy Fund Inc.
DSE
$141K ﹤0.01%
1,000
NMA
1306
DELISTED
NUVEEN MUNI ADVANTAGE FUND
NMA
$138K ﹤0.01%
10,000
SRPT icon
1307
Sarepta Therapeutics
SRPT
$1.77B
$134K ﹤0.01%
10,100
-900
-8% -$12K
AMRB
1308
DELISTED
American River Bankshares
AMRB
$134K ﹤0.01%
+14,155
New +$136K
EXC icon
1309
CALL
Exelon
EXC
$46.6B
$133K ﹤0.01%
+5,608
New +$139K
AVP
1310
DELISTED
Avon Products, Inc.
AVP
$128K ﹤0.01%
15,975
+5,530
+53% +$45.9K
MWW
1311
DELISTED
Monster Worldwide Inc
MWW
$120K ﹤0.01%
19,050
+2,125
+13% +$11.7K
PHYS icon
1312
Sprott Physical Gold
PHYS
$15.4B
$118K ﹤0.01%
+12,057
New +$122K
CORT icon
1313
Corcept Therapeutics
CORT
$11.8B
$112K ﹤0.01%
20,000
SMFG icon
1314
Sumitomo Mitsui Financial
SMFG
$164B
$112K ﹤0.01%
14,622
+858
+6% +$6.42K
LYG icon
1315
Lloyds Banking Group
LYG
$91.6B
$96K ﹤0.01%
20,613
KODK.WS.A
1316
DELISTED
Eastman Kodak Company
KODK.WS.A
$88K ﹤0.01%
19,839
+3,005
+18% +$12.4K
KMI icon
1317
CALL
Kinder Morgan
KMI
$69.4B
$84K ﹤0.01%
2,000
UEC icon
1318
Uranium Energy
UEC
$5.37B
$83K ﹤0.01%
55,555
FUSB icon
1319
First US Bancshares
FUSB
$92.1M
$81K ﹤0.01%
+10,000
New +$83.6K
VTSS
1320
DELISTED
VITESSE SEMICONDUCTOR CORPORATION COMMON STOCK
VTSS
$79K ﹤0.01%
15,000
NEO icon
1321
NeoGenomics
NEO
$2.02B
$74K ﹤0.01%
+16,000
New +$69.6K
SHOR
1322
DELISTED
ShoreTel, Inc.
SHOR
$71K ﹤0.01%
+10,553
New +$75.4K
VPCO
1323
DELISTED
VAPOR CORP DEL COM STK
VPCO
$70K ﹤0.01%
13,397
VG
1324
DELISTED
Vonage Holdings Corporation
VG
$69K ﹤0.01%
14,200
AWRE icon
1325
Aware
AWRE
$27.5M
$68K ﹤0.01%
+15,500
New +$71.4K

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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.