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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
+1.8%
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
$11.2B
AUM Growth
-$134M
Cap. Flow
-$132M
Cap. Flow %
-1.18%
Top 10 Hldgs %
17.1%
Holding
1,560
New
265
Increased
457
Reduced
545
Closed
146

Sector Composition

Rank Sector Weight
1 Healthcare 18.3%
2 Technology 15.54%
3 Financials 12.99%
4 Industrials 11.67%
5 Consumer Discretionary 10.13%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
FIT
1376
DELISTED
Fitbit, Inc. Class A common stock
FIT
-10,086
Closed -$150K
CARB
1377
DELISTED
Carbonite Inc
CARB
-14,000
Closed -$215K
GYB.CL
1378
DELISTED
Corporate Asset Backed Corp., CABCO Trust 2004-101 Goldman Sachs Float
GYB.CL
-3,100
Closed -$70K
YUMA
1379
DELISTED
Yuma Energy Inc
YUMA
-47
Closed -$4K
RPXC
1380
DELISTED
RPX Corporation
RPXC
-26,905
Closed -$288K
GRR
1381
DELISTED
Asia Tigers Fund
GRR
-26,677
Closed -$268K
GIMO
1382
DELISTED
Gigamon Inc.
GIMO
-5,895
Closed -$323K
SNAK
1383
DELISTED
Inventure Foods, Inc.
SNAK
-76,286
Closed -$717K
LVLT
1384
DELISTED
Level 3 Communications Inc
LVLT
-18,340
Closed -$851K
PRXL
1385
DELISTED
Parexel International Corp
PRXL
-3,727
Closed -$259K
NSR
1386
DELISTED
Neustar Inc
NSR
-37,644
Closed -$1M
KATE
1387
DELISTED
Kate Spade & Company
KATE
-45,988
Closed -$788K
SWC
1388
DELISTED
Stillwater Mining Co
SWC
-27,369
Closed -$366K
JOY
1389
CALL
DELISTED
Joy Global Inc
JOY
-10,300
Closed -$286K
FLTX
1390
DELISTED
Fleetmatics Group PLC
FLTX
-72,892
Closed -$4.37M
CPHD
1391
DELISTED
Cepheid Inc
CPHD
-6,409
Closed -$338K
RAX
1392
DELISTED
Rackspace Hosting Inc
RAX
-26,225
Closed -$831K
PGND
1393
DELISTED
PRESS GANEY HOLDINGS INC COM STK (DE)
PGND
-594,530
Closed -$24M
ZGNX
1394
CALL
DELISTED
Zogenix, Inc.
ZGNX
-29,600
Closed -$338K
DVR
1395
DELISTED
CAL DIVE INTERNATIONAL INC COM
DVR
$0 ﹤0.01%
38,000
-14,700
-28%
VLNC
1396
DELISTED
VALENCE TECHNOLOGY INC
VLNC
$0 ﹤0.01%
+36,000
New
BGP
1397
DELISTED
BORDERS GROUP INC
BGP
$0 ﹤0.01%
+10,900
New
AWH
1398
DELISTED
Allied World Assurance Co Hld Lt
AWH
-13,419
Closed -$542K
HLND
1399
DELISTED
HILAND PARTNERS, LP COMMON UNITS
HLND
-59,800
Closed -$284K
ABPI
1400
DELISTED
Accentia Biopharmaceuticals
ABPI
$0 ﹤0.01%
17,500

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William Blair & Company's Q4 2016 Portfolio in Review

As of Q4 2016, William Blair & Company held 1,560 positions worth $11.2B, down 1.2% from $11.3B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair & Company's Q4 2016 filing shows 265 new, 457 increased, 545 reduced and 146 closed positions. Its largest new stake was Hilton Worldwide: 158,405 shares worth $12.9M. The largest sale was Cerner Corp, an estimated $58.7M.

By sector, the portfolio is most concentrated in Healthcare at 18% of assets, down from 20% a quarter earlier, followed by Technology and Financials.

  • William Blair & Company's largest Q4 2016 buy was Hilton Worldwide: 158,405 shares worth $12.9M.
  • William Blair & Company added most to State Street SPDR S&P 500 ETF Trust in Q4 2016, an estimated $42.6M increase.
  • William Blair & Company's biggest Q4 2016 reduction was Cerner Corp, cutting an estimated $58.7M.
  • William Blair & Company fully exited PRESS GANEY HOLDINGS INC COM STK (DE) in Q4 2016, selling an estimated $24M.
  • William Blair & Company's ten largest holdings make up 17% of its $11.2B portfolio in Q4 2016.
  • William Blair & Company opened 265 new positions and closed 146 in Q4 2016.
  • William Blair & Company's portfolio value fell 1.2% quarter-over-quarter to $11.2B.

Based on William Blair & Company's 13F filing for Q4 2016, filed 14 Feb 2017.