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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

Top Sells

Rank Stock Value
1
ABV
COMPANHIA BEBIDA ADS EACH REPSTG 1 PFD SH
ABV
+$237M
2
PRGO icon
Perrigo
PRGO
+$186M
3
SWI
SOLARWINDS INC COM STK (DE)
SWI
+$104M
4
CLH icon
Clean Harbors
CLH
+$104M
5
FMX icon
Fomento Económico Mexicano
FMX
+$101M

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
RQI icon
1301
Cohen & Steers Quality Income Realty Fund
RQI
$1.7B
$111K ﹤0.01%
11,750
-500
-4% -$4.87K
DANG
1302
DELISTED
E-COMMERCE CHINA DANGDANG INC SPNSRD ADS REP COM CL A (CYM)
DANG
$107K ﹤0.01%
11,250
-1,300
-10% -$12.3K
RAD
1303
DELISTED
Rite Aid Corporation
RAD
$104K ﹤0.01%
1,030
-120
-10% -$12.8K
KERX
1304
DELISTED
Keryx Biopharmaceuticals Inc
KERX
$95K ﹤0.01%
7,400
+200
+3% +$2.39K
ARIA
1305
DELISTED
Ariad Pharmaceuticals Inc
ARIA
$89K ﹤0.01%
13,030
-14,412
-53% -$77.8K
ANR
1306
DELISTED
Alpha Natural Resources Inc
ANR
$82K ﹤0.01%
11,676
+95
+0.8% +$641
DENN
1307
DELISTED
Denny's
DENN
$80K ﹤0.01%
+11,157
New +$75.8K
CACH
1308
DELISTED
CACHE INC (DE)
CACH
$72K ﹤0.01%
13,336
– –
EXEL icon
1309
Exelixis
EXEL
$14.1B
$69K ﹤0.01%
11,400
-8,000
-41% -$44.1K
DRRX
1310
DELISTED
DURECT Corp
DRRX
$67K ﹤0.01%
3,875
– –
KERX
1311
CALL
DELISTED
Keryx Biopharmaceuticals Inc
KERX
$64K ﹤0.01%
5,000
-1,000
-17% -$11.9K
LIME
1312
DELISTED
LIME ENERGY CO.NEW COMMON STOCK
LIME
$63K ﹤0.01%
21,798
-3,261
-13% -$10.8K
AMD icon
1313
Advanced Micro Devices
AMD
$846B
$61K ﹤0.01%
15,675
+1,300
+9% +$4.66K
AGEN
1314
Agenus
AGEN
$346M
$59K ﹤0.01%
1,151
+361
+46% +$18.6K
HK
1315
DELISTED
Halcon Resources Corporation
HK
$55K ﹤0.01%
84
-27
-24% -$21K
NVAX icon
1316
Novavax
NVAX
$1.26B
$53K ﹤0.01%
524
-375
-42% -$26.5K
ACHN
1317
DELISTED
Achillion Pharmaceuticals
ACHN
$53K ﹤0.01%
16,100
-1,400
-8% -$4.06K
GOGO icon
1318
CALL
Gogo Inc
GOGO
$630M
$49K ﹤0.01%
+2,000
New +$46.3K
RXII
1319
DELISTED
GALENA BIOPHARMA INC COM
RXII
$49K ﹤0.01%
+10,000
New +$49K
IMPV
1320
CALL
DELISTED
Imperva, Inc.
IMPV
$48K ﹤0.01%
+1,000
New +$42.1K
VG
1321
DELISTED
Vonage Holdings Corporation
VG
$47K ﹤0.01%
14,200
– –
DSU icon
1322
BlackRock Debt Strategies Fund
DSU
$593M
$43K ﹤0.01%
+3,584
New +$43.2K
VTSS
1323
DELISTED
VITESSE SEMICONDUCTOR CORPORATION COMMON STOCK
VTSS
$43K ﹤0.01%
15,000
-3,000
-17% -$8.56K
NIHD
1324
DELISTED
NII HOLDINGS INC CL B
NIHD
$40K ﹤0.01%
14,600
-14,200
-49% -$52.3K
CTLP
1325
DELISTED
Cantaloupe
CTLP
$36K ﹤0.01%
20,000
– –
51 52
53
54 55

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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.