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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
ASMB icon
826
Assembly Biosciences
ASMB
$526M
$496K ﹤0.01%
3,404
VAL
827
DELISTED
Valspar
VAL
$487K ﹤0.01%
4,700
CASS icon
828
Cass Information Systems
CASS
$731M
$485K ﹤0.01%
8,700
CNQ icon
829
Canadian Natural Resources
CNQ
$93.3B
$484K ﹤0.01%
31,008
+5,712
+23% +$90.6K
WPM icon
830
Wheaton Precious Metals
WPM
$55.8B
$483K ﹤0.01%
24,975
+2,406
+11% +$50.2K
CI icon
831
Cigna
CI
$71.5B
$482K ﹤0.01%
3,617
+22
+0.6% +$2.88K
SPLS
832
DELISTED
Staples Inc
SPLS
$481K ﹤0.01%
53,179
BXP icon
833
Boston Properties
BXP
$11.2B
$480K ﹤0.01%
3,813
+910
+31% +$113K
RIO icon
834
Rio Tinto
RIO
$165B
$479K ﹤0.01%
12,444
-2,150
-15% -$78.8K
KMI icon
835
PUT
Kinder Morgan
KMI
$69.3B
$476K ﹤0.01%
+23,000
New +$486K
TNL icon
836
Travel + Leisure Co
TNL
$4.77B
$475K ﹤0.01%
13,780
+45
+0.3% +$1.45K
ANET icon
837
Arista Networks
ANET
$248B
$473K ﹤0.01%
78,160
+38,160
+95% +$213K
BSCK
838
DELISTED
Invesco BulletShares 2020 Corporate Bond ETF
BSCK
$473K ﹤0.01%
22,300
+8,400
+60% +$180K
WFT
839
DELISTED
Weatherford International plc
WFT
$472K ﹤0.01%
94,629
+3,600
+4% +$18.8K
FRC
840
DELISTED
First Republic Bank
FRC
$469K ﹤0.01%
5,088
-85
-2% -$6.94K
BUFF
841
DELISTED
Blue Buffalo Pet Products, Inc
BUFF
$469K ﹤0.01%
+19,500
New +$472K
PTLA
842
DELISTED
Portola Pharmaceuticals, Inc.
PTLA
$463K ﹤0.01%
20,621
-3,000
-13% -$58.6K
CME icon
843
CALL
CME Group
CME
$95.2B
$461K ﹤0.01%
4,000
GDXJ icon
844
VanEck Junior Gold Miners ETF
GDXJ
$7.87B
$461K ﹤0.01%
14,598
-500
-3% -$18.2K
TTWO icon
845
Take-Two Interactive
TTWO
$43.9B
$461K ﹤0.01%
9,356
+2,556
+38% +$121K
WSBC icon
846
WesBanco
WSBC
$4.04B
$461K ﹤0.01%
10,717
-167
-2% -$6.24K
OKE icon
847
Oneok
OKE
$55B
$460K ﹤0.01%
+8,007
New +$420K
UCBA
848
DELISTED
United Community Bancorp
UCBA
$460K ﹤0.01%
+27,525
New +$437K
HWM icon
849
Howmet Aerospace
HWM
$117B
$456K ﹤0.01%
+32,090
New +$483K
XCRA
850
DELISTED
Xcerra Corporation
XCRA
$456K ﹤0.01%
59,628
-2,965
-5% -$19.1K

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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.