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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
CDW icon
1226
CDW
CDW
$18.1B
$247K ﹤0.01%
+6,650
New +$242K
PSV
1227
DELISTED
Hermitage Offshore Services Ltd.
PSV
$247K ﹤0.01%
2,702
+1,600
+145% +$164K
RBBN icon
1228
Ribbon Communications
RBBN
$376M
$245K ﹤0.01%
31,229
+1,429
+5% +$23.5K
SPWR
1229
DELISTED
SunPower Corporation Common Stock
SPWR
$245K ﹤0.01%
+11,955
New +$226K
EGN
1230
DELISTED
Energen
EGN
$245K ﹤0.01%
3,710
LXK
1231
DELISTED
Lexmark Intl Inc
LXK
$245K ﹤0.01%
5,806
-250
-4% -$10.3K
WABC icon
1232
Westamerica Bancorp
WABC
$1.37B
$244K ﹤0.01%
5,650
-1,658
-23% -$72.3K
OMER icon
1233
Omeros
OMER
$952M
$242K ﹤0.01%
11,000
TXT icon
1234
Textron
TXT
$15.1B
$242K ﹤0.01%
+5,469
New +$238K
EPAC icon
1235
Enerpac Tool Group
EPAC
$1.92B
$241K ﹤0.01%
10,160
FELE icon
1236
Franklin Electric
FELE
$4.83B
$241K ﹤0.01%
+6,340
New +$227K
FV icon
1237
First Trust Dorsey Wright Focus 5 ETF
FV
$3.7B
$241K ﹤0.01%
+10,050
New +$233K
NTAP icon
1238
NetApp
NTAP
$37.6B
$241K ﹤0.01%
6,827
-948
-12% -$36.2K
LL
1239
DELISTED
LL Flooring Holdings, Inc.
LL
$241K ﹤0.01%
7,815
-618,403
-99% -$31.6M
STI
1240
DELISTED
SunTrust Banks, Inc.
STI
$238K ﹤0.01%
5,799
+62
+1% +$2.51K
IRIX icon
1241
IRIDEX
IRIX
$14.6M
$237K ﹤0.01%
22,227
MGA icon
1242
Magna International
MGA
$18.1B
$237K ﹤0.01%
4,436
-1,570
-26% -$80.8K
SNDK
1243
DELISTED
SANDISK CORP
SNDK
$236K ﹤0.01%
+3,723
New +$303K
BANC icon
1244
Banc of California
BANC
$3.01B
$234K ﹤0.01%
+19,085
New +$213K
DRE
1245
DELISTED
Duke Realty Corp.
DRE
$234K ﹤0.01%
+10,744
New +$231K
TECU
1246
DELISTED
TECUMSEH PRODUCTS COMPANY COMMON STOCK
TECU
$234K ﹤0.01%
83,000
GWX icon
1247
State Street SPDR S&P International Small Cap ETF
GWX
$904M
$232K ﹤0.01%
8,028
-525
-6% -$14.8K
DPLO
1248
DELISTED
DIPLOMAT PHARMACY, INC.
DPLO
$232K ﹤0.01%
+6,735
New +$183K
HPY
1249
DELISTED
HEARTLAND PAYMENT SYSTEMS, INC. COM STK
HPY
$232K ﹤0.01%
4,950
-1,655
-25% -$83.9K
AGEN
1250
Agenus
AGEN
$312M
$231K ﹤0.01%
2,299
-291
-11% -$29.1K

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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.