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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
+4.98%
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
$60.5B
AUM Growth
+$4.27B
Cap. Flow
-$6.02M
Cap. Flow %
-0.01%
Top 10 Hldgs %
8.14%
Holding
2,280
New
233
Increased
803
Reduced
822
Closed
265

Top Buys

Rank Stock Value
1
ABEV icon
Ambev
ABEV
+$275M
2
BIDU icon
Baidu
BIDU
+$202M
3
AKAM icon
Akamai
AKAM
+$127M
4
IPGP icon
IPG Photonics
IPGP
+$107M
5
WP
Worldpay, Inc.
WP
+$106M

Sector Composition

Rank Sector Weight
1 Industrials 8.87%
2 Technology 6.81%
3 Consumer Discretionary 6.54%
4 Healthcare 5.75%
5 Financials 5.4%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
VVUS
1426
DELISTED
Vivus Inc
VVUS
-1,100
Closed -$102K
SSRI
1427
DELISTED
Silver Standard Resources
SSRI
-17,328
Closed -$106K
RKUS
1428
DELISTED
RUCKUS WIRELESS INC COM STK (DE)
RKUS
-13,155
Closed -$221K
PQUE
1429
DELISTED
PETROQUEST ENERGY INC (DE)
PQUE
-10,000
Closed -$40K
RHT
1430
CALL
DELISTED
Red Hat Inc
RHT
-2,000
Closed -$92K
VXX
1431
DELISTED
iPath S&P 500 VIX Short-Term Futures ETN due 1/30/2019
VXX
-207
Closed -$195K
SPN
1432
DELISTED
Superior Energy Services, Inc.
SPN
-2,927
Closed -$733K

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William Blair & Company's Q4 2013 Portfolio in Review

As of Q4 2013, William Blair & Company held 2,280 positions worth $60.5B, up 7.6% from $56.2B the previous quarter. Its ten largest holdings account for 8.1% of the portfolio.

William Blair & Company's Q4 2013 filing shows 233 new, 803 increased, 822 reduced and 265 closed positions. Its largest new stake was Ambev: 37,612,682 shares worth $276M. The largest sale was COMPANHIA BEBIDA ADS EACH REPSTG 1 PFD SH, an estimated $237M.

By sector, the portfolio is most concentrated in Industrials at 8.9% of assets, down from 9% a quarter earlier, followed by Technology and Consumer Discretionary.

  • William Blair & Company's largest Q4 2013 buy was Ambev: 37,612,682 shares worth $276M.
  • William Blair & Company added most to Baidu in Q4 2013, an estimated $202M increase.
  • William Blair & Company's biggest Q4 2013 reduction was Perrigo, cutting an estimated $186M.
  • William Blair & Company fully exited COMPANHIA BEBIDA ADS EACH REPSTG 1 PFD SH in Q4 2013, selling an estimated $237M.
  • William Blair & Company's ten largest holdings make up 8.1% of its $60.5B portfolio in Q4 2013.
  • William Blair & Company opened 233 new positions and closed 265 in Q4 2013.
  • William Blair & Company's portfolio value rose 7.6% quarter-over-quarter to $60.5B.

Based on William Blair & Company's 13F filing for Q4 2013, filed 11 Feb 2014.