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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
+512.03%
AUM
$65B
AUM Growth
+$3.08B
Cap. Flow
+$215M
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
ESRX
76
DELISTED
Express Scripts Holding Company
ESRX
$146M 0.23%
1,684,407
-101,826
-6% -$8.54M
IFF icon
77
International Flavors & Fragrances
IFF
$20.7B
$143M 0.22%
1,219,336
-34,976
-3% -$3.95M
MIDD icon
78
Middleby
MIDD
$6.25B
$142M 0.22%
1,380,642
+120,084
+10% +$12.2M
VFC icon
79
VF Corp
VFC
$6.03B
$141M 0.22%
1,995,089
+192,554
+11% +$13.3M
MCO icon
80
Moody's
MCO
$83.7B
$141M 0.22%
1,353,661
+1,310,430
+3,031% +$127M
P
81
DELISTED
Pandora Media Inc
P
$135M 0.21%
8,334,764
-125,613
-1% -$2.01M
MAR icon
82
Marriott International
MAR
$89.5B
$134M 0.21%
1,672,417
+76,907
+5% +$6.13M
CPT icon
83
Camden Property Trust
CPT
$11B
$131M 0.2%
1,935,400
+11,100
+0.6% +$851K
PXD
84
DELISTED
Pioneer Natural Resource Co.
PXD
$130M 0.2%
794,183
+199,462
+34% +$30.6M
BAP icon
85
Credicorp
BAP
$31.5B
$130M 0.2%
921,685
-118,472
-11% -$17.4M
TECH icon
86
Bio-Techne
TECH
$11.2B
$128M 0.2%
5,098,192
+22,056
+0.4% +$524K
EHC icon
87
Encompass Health
EHC
$10.9B
$127M 0.2%
3,606,817
+115,948
+3% +$3.97M
EXAS
88
DELISTED
Exact Sciences
EXAS
$125M 0.19%
5,681,556
+600,752
+12% +$15.2M
EOG icon
89
EOG Resources
EOG
$76.5B
$122M 0.19%
1,333,448
-58,702
-4% -$5.3M
IT icon
90
Gartner
IT
$12B
$121M 0.19%
1,440,906
-1,340,594
-48% -$111M
META icon
91
Meta Platforms (Facebook)
META
$1.48T
$120M 0.18%
1,458,909
+101,166
+7% +$7.93M
ROST icon
92
Ross Stores
ROST
$81.2B
$119M 0.18%
2,253,484
+118,242
+6% +$5.85M
WBA
93
DELISTED
Walgreens Boots Alliance
WBA
$117M 0.18%
1,379,403
-49
-0% -$3.9K
LGND icon
94
Ligand Pharmaceuticals
LGND
$5.97B
$113M 0.17%
2,340,337
+472,779
+25% +$18.1M
NUS icon
95
Nu Skin
NUS
$257M
$110M 0.17%
1,834,033
+107,214
+6% +$5.46M
ECPG icon
96
Encore Capital Group
ECPG
$2.06B
$110M 0.17%
2,636,920
-75,197
-3% -$3.12M
TSCO icon
97
Tractor Supply
TSCO
$17.2B
$104M 0.16%
6,137,100
+123,145
+2% +$2.06M
HMSY
98
DELISTED
HMS Holdings Corp.
HMSY
$103M 0.16%
6,692,367
+211,308
+3% +$3.97M
CELG
99
DELISTED
Celgene Corp
CELG
$101M 0.16%
877,160
-44,734
-5% -$5.35M
ABMD
100
DELISTED
Abiomed Inc
ABMD
$99.7M 0.15%
1,392,765
-483,818
-26% -$26.3M

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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.