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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
DVAX
1326
CALL
DELISTED
Dynavax Technologies
DVAX
$67K ﹤0.01%
3,000
KPN
1327
DELISTED
ROYAL KPN NV ADS (EA REPTG 1 ORD SH)
KPN
$64K ﹤0.01%
18,715
+6,700
+56% +$22.9K
BTU
1328
DELISTED
PEABODY ENERGY CORP COM STK NEW (DE)
BTU
$63K ﹤0.01%
+848
New +$85.6K
LIME
1329
DELISTED
LIME ENERGY CO.NEW COMMON STOCK
LIME
$61K ﹤0.01%
16,848
-2,143
-11% -$5.81K
USA icon
1330
Liberty All-Star Equity Fund
USA
$1.84B
$58K ﹤0.01%
+10,083
New +$58.7K
MVIS icon
1331
Microvision
MVIS
$74M
$42K ﹤0.01%
825
AMD icon
1332
Advanced Micro Devices
AMD
$786B
$41K ﹤0.01%
15,575
DSU icon
1333
BlackRock Debt Strategies Fund
DSU
$593M
$40K ﹤0.01%
3,584
BFF
1334
DELISTED
BFC FIN'L CP CL A
BFF
$40K ﹤0.01%
+12,500
New +$40K
EXEL icon
1335
Exelixis
EXEL
$14.3B
$37K ﹤0.01%
14,700
-9,600
-40% -$22.3K
TCF.WS
1336
DELISTED
TCF Financial Corporation
TCF.WS
$36K ﹤0.01%
15,600
DRRX
1337
DELISTED
DURECT Corp
DRRX
$32K ﹤0.01%
1,694
+498
+42% +$5.92K
TWER
1338
DELISTED
Towerstream Corporation Common Stock
TWER
$30K ﹤0.01%
700
YTEN
1339
DELISTED
Yield10 Bioscience, Inc. Common Stock
YTEN
$26K ﹤0.01%
1
KBIO
1340
DELISTED
KALOBIOS PHARMACEUTICALS INC COM STK NEW (DE)
KBIO
$26K ﹤0.01%
6,704
-2,125
-24% -$9.53K
XWG
1341
DELISTED
WIRELESS XCESSORIES GR INC
XWG
$23K ﹤0.01%
25,000
BIOC
1342
DELISTED
Biocept, Inc.
BIOC
0
NEM icon
1343
CALL
Newmont
NEM
$110B
$21K ﹤0.01%
1,000
-36,900
-97% -$862K
WPM icon
1344
CALL
Wheaton Precious Metals
WPM
$55.8B
$19K ﹤0.01%
+1,000
New +$21.3K
YUMA
1345
DELISTED
Yuma Energy Inc
YUMA
$14K ﹤0.01%
47
RXII
1346
DELISTED
GALENA BIOPHARMA INC COM
RXII
$13K ﹤0.01%
10,000
DVR
1347
DELISTED
CAL DIVE INTERNATIONAL INC COM
DVR
$4K ﹤0.01%
149,700
VLNC
1348
DELISTED
VALENCE TECHNOLOGY INC
VLNC
$1K ﹤0.01%
36,000
AVCS
1349
DELISTED
AMERICAN VANTAGE CO'S
AVCS
$1K ﹤0.01%
21,865
ADUS icon
1350
Addus HomeCare
ADUS
$2.17B
-775,790
Closed -$18.8M

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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.