We are live on ! Find out more
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
ABT icon
1226
CALL
Abbott
ABT
$182B
$38K ﹤0.01%
+1,000
New +$39.7K
KMX icon
1227
CALL
CarMax
KMX
$8.16B
$38K ﹤0.01%
+600
New +$33.7K
IP icon
1228
CALL
International Paper
IP
$22.4B
$37K ﹤0.01%
+739
New +$34.2K
CAVM
1229
CALL
DELISTED
Cavium, Inc.
CAVM
$37K ﹤0.01%
+600
New +$34.6K
NGD
1230
DELISTED
New Gold Inc
NGD
$35K ﹤0.01%
10,000
SGMO
1231
DELISTED
SANGAMO THERAPEUTICS INC
SGMO
$35K ﹤0.01%
11,600
+300
+3% +$1.09K
SHAK icon
1232
CALL
Shake Shack
SHAK
$2.67B
$35K ﹤0.01%
+1,000
New +$35.1K
WDC icon
1233
CALL
Western Digital
WDC
$189B
$34K ﹤0.01%
+662
New +$30.5K
CELG
1234
CALL
DELISTED
Celgene Corp
CELG
$34K ﹤0.01%
+300
New +$33.4K
WDAY icon
1235
CALL
Workday
WDAY
$42.3B
$33K ﹤0.01%
+500
New +$40.3K
KPN
1236
DELISTED
ROYAL KPN NV ADS (EA REPTG 1 ORD SH)
KPN
$33K ﹤0.01%
11,053
-8,533
-44% -$25.5K
LIME
1237
DELISTED
LIME ENERGY CO.NEW COMMON STOCK
LIME
$32K ﹤0.01%
14,704
MCHX icon
1238
Marchex
MCHX
$83.3M
$31K ﹤0.01%
+11,800
New +$31.2K
VIAB
1239
CALL
DELISTED
Viacom Inc. Class B
VIAB
$28K ﹤0.01%
+800
New +$29.4K
CRM icon
1240
CALL
Salesforce
CRM
$156B
$27K ﹤0.01%
+400
New +$29K
PM icon
1241
CALL
Philip Morris
PM
$291B
$27K ﹤0.01%
+300
New +$27.8K
JBTM
1242
CALL
JBT Marel
JBTM
$6.9B
$25K ﹤0.01%
+300
New +$24.5K
CVS icon
1243
CALL
CVS Health
CVS
$133B
$23K ﹤0.01%
+300
New +$24.3K
SPRT
1244
DELISTED
support.com, Inc.
SPRT
$22K ﹤0.01%
+8,333
New +$19.3K
LOW icon
1245
CALL
Lowe's Companies
LOW
$122B
$21K ﹤0.01%
+300
New +$21.2K
TGT icon
1246
CALL
Target
TGT
$67.3B
$21K ﹤0.01%
+300
New +$21.7K
TIVO
1247
CALL
DELISTED
Tivo Inc
TIVO
$21K ﹤0.01%
1,000
-35,100
-97% -$714K
MRO
1248
CALL
DELISTED
Marathon Oil Corporation
MRO
$20K ﹤0.01%
+1,200
New +$19.3K
INFI
1249
DELISTED
Infinity Pharmaceuticals, Inc.
INFI
$18K ﹤0.01%
13,180
-19,550
-60% -$25.5K
ATVI
1250
CALL
DELISTED
Activision Blizzard
ATVI
$18K ﹤0.01%
+500
New +$20K

Similar funds

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.