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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
DLB icon
1176
Dolby
DLB
$5.71B
$296K ﹤0.01%
7,792
-2,004
-20% -$80K
MMSI icon
1177
Merit Medical Systems
MMSI
$5.24B
$296K ﹤0.01%
15,399
FWONK icon
1178
Liberty Media Series C
FWONK
$25B
$294K ﹤0.01%
10,894
-154
-1% -$4.04K
A icon
1179
Agilent Technologies
A
$39.9B
$293K ﹤0.01%
7,066
-794
-10% -$32.1K
LOGI icon
1180
Logitech
LOGI
$14.7B
$293K ﹤0.01%
+22,335
New +$312K
FLG
1181
Flagstar Bank National Association
FLG
$5.9B
$293K ﹤0.01%
5,840
-933
-14% -$45.4K
AZZ icon
1182
AZZ Inc
AZZ
$4.53B
$290K ﹤0.01%
+6,235
New +$275K
HIG icon
1183
Hartford Financial Services
HIG
$39.6B
$289K ﹤0.01%
6,919
-588
-8% -$24.1K
HLT icon
1184
Hilton Worldwide
HLT
$72.5B
$289K ﹤0.01%
3,253
UBS icon
1185
UBS Group
UBS
$173B
$289K ﹤0.01%
+15,398
New +$268K
SWN
1186
DELISTED
Southwestern Energy Company
SWN
$289K ﹤0.01%
12,494
-297
-2% -$7.38K
TOL icon
1187
Toll Brothers
TOL
$14.1B
$288K ﹤0.01%
7,325
-464
-6% -$17K
PARA
1188
DELISTED
Paramount Global Class B
PARA
$286K ﹤0.01%
4,716
-10,131
-68% -$592K
GEF icon
1189
Greif
GEF
$5.07B
$282K ﹤0.01%
7,192
NS
1190
DELISTED
NuStar Energy L.P.
NS
$282K ﹤0.01%
4,650
JCP
1191
DELISTED
J.C. Penney Company, Inc.
JCP
$280K ﹤0.01%
33,300
-5,100
-13% -$39.7K
MFC icon
1192
Manulife Financial
MFC
$74.1B
$278K ﹤0.01%
16,336
USMV icon
1193
iShares MSCI USA Min Vol Factor ETF
USMV
$24.1B
$276K ﹤0.01%
+6,700
New +$276K
GLIN icon
1194
VanEck India Growth Leaders ETF
GLIN
$95M
$275K ﹤0.01%
5,830
-240,972
-98% -$11.5M
DATA
1195
DELISTED
Tableau Software, Inc.
DATA
$275K ﹤0.01%
+2,978
New +$271K
SODA
1196
DELISTED
SodaStream International Ltd
SODA
$275K ﹤0.01%
+13,627
New +$257K
FUN icon
1197
Cedar Fair
FUN
$1.61B
$274K ﹤0.01%
4,770
OKE icon
1198
Oneok
OKE
$55.4B
$272K ﹤0.01%
5,644
-5,638
-50% -$258K
NEWS
1199
DELISTED
NewStar Financial, Inc.
NEWS
$272K ﹤0.01%
23,200
-12,300
-35% -$133K
DCP
1200
DELISTED
DCP Midstream, LP
DCP
$271K ﹤0.01%
7,340
-1,150
-14% -$45.4K

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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.