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
+0.39%
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
$10.6B
AUM Growth
-$28.4M
Cap. Flow
+$48.9M
Cap. Flow %
0.46%
Top 10 Hldgs %
17.73%
Holding
1,332
New
89
Increased
456
Reduced
508
Closed
121

Top Buys

Rank Stock Value
1
XRAY icon
Dentsply Sirona
XRAY
+$51.3M
2
MSFT icon
Microsoft
MSFT
+$36.9M
3
PYPL icon
PayPal
PYPL
+$21.2M
4
AMT icon
American Tower
AMT
+$21.2M
5
OMC icon
Omnicom Group
OMC
+$18.3M

Top Sells

Rank Stock Value
1
SIRO
SIRONA DENTAL SYSTEMS INC COM STK
SIRO
+$57.3M
2
WEX icon
WEX
WEX
+$35.3M
3
ARG
Airgas Inc
ARG
+$29.5M
4
SBAC icon
SBA Communications
SBAC
+$19.6M
5
ESRX
Express Scripts Holding Company
ESRX
+$19M

Sector Composition

Rank Sector Weight
1 Healthcare 18.96%
2 Technology 15.24%
3 Industrials 12.81%
4 Financials 11.94%
5 Consumer Discretionary 11.43%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
XLE icon
726
State Street Energy Select Sector SPDR ETF
XLE
$38.1B
$594K 0.01%
19,198
-558
-3% -$16.2K
STBI
727
DELISTED
STURGIS BANCORP INC
STBI
$590K 0.01%
57,066
– –
WPP icon
728
WPP
WPP
$5.6B
$589K 0.01%
5,061
-47
-0.9% -$5.07K
BEAV
729
DELISTED
B/E Aerospace Inc
BEAV
$589K 0.01%
12,770
+165
+1% +$7.06K
SNAK
730
DELISTED
Inventure Foods, Inc.
SNAK
$588K 0.01%
104,111
+24,375
+31% +$140K
IX icon
731
ORIX
IX
$44.8B
$586K 0.01%
41,100
-1,225
-3% -$16.7K
CSX icon
732
CSX Corp
CSX
$93.9B
$583K 0.01%
67,917
-28,365
-29% -$230K
AGU
733
DELISTED
Agrium
AGU
$580K 0.01%
+6,574
New +$568K
RCL icon
734
Royal Caribbean
RCL
$85.7B
$576K 0.01%
7,013
-5,015
-42% -$391K
VAR
735
DELISTED
Varian Medical Systems, Inc.
VAR
$576K 0.01%
8,220
+938
+13% +$63.7K
ANDX
736
DELISTED
Andeavor Logistics LP
ANDX
$576K 0.01%
12,635
– –
BBY icon
737
Best Buy
BBY
$16.9B
$574K 0.01%
17,704
-1,500
-8% -$45.5K
SEIC icon
738
SEI Investments
SEIC
$12.6B
$571K 0.01%
13,282
-18,525
-58% -$760K
INFO
739
DELISTED
IHS Markit Ltd. Common Shares
INFO
$570K 0.01%
16,130
-39,810
-71% -$1.16M
PDCO
740
DELISTED
Patterson Companies, Inc.
PDCO
$569K 0.01%
12,239
+2,075
+20% +$89.9K
SLF icon
741
Sun Life Financial
SLF
$45.6B
$566K 0.01%
17,533
– –
CNQ icon
742
Canadian Natural Resources
CNQ
$94.8B
$564K 0.01%
43,293
+580
+1% +$6.18K
VAL
743
DELISTED
Valspar
VAL
$561K 0.01%
5,242
+300
+6% +$24.8K
INOV
744
DELISTED
Inovalon Holdings, Inc. Class A Common Stock
INOV
$558K 0.01%
30,169
-2,175
-7% -$38.4K
SILC icon
745
Silicom
SILC
$239M
$555K 0.01%
16,287
-1,950
-11% -$58.7K
OFG icon
746
OFG Bancorp
OFG
$2.24B
$554K 0.01%
79,317
+10,000
+14% +$61.1K
VRTX icon
747
Vertex Pharmaceuticals
VRTX
$123B
$553K 0.01%
6,964
+565
+9% +$51.1K
TWC
748
DELISTED
TIME WARNER CABLE INC NEW COM STK
TWC
$547K 0.01%
2,673
-25
-0.9% -$4.73K
HUM icon
749
Humana
HUM
$44.1B
$542K 0.01%
2,963
– –
NEM icon
750
Newmont
NEM
$111B
$542K 0.01%
20,415
-54,050
-73% -$1.25M
28 29
30
31 32

Similar funds

SAM
Storebrand Asset Management Lysaker, Norway $34.8B AUM 25.49% 1-Year Est. Return
Chevy Chase Trust
Chevy Chase Trust Bethesda, Maryland $34.7B AUM 29.45% 1-Year Est. Return
VIA
Vanguard Investments Australia Victoria, Australia $34.6B AUM
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
Pacer Advisors
Pacer Advisors Malvern, Pennsylvania $35.6B AUM 18.19% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return
MML Investors Services
MML Investors Services Springfield, Massachusetts $36.1B AUM 19.68% 1-Year Est. Return

William Blair & Company's Q1 2016 Portfolio in Review

As of Q1 2016, William Blair & Company held 1,332 positions worth $10.6B, down 0.27% from $10.7B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair & Company's Q1 2016 filing shows 89 new, 456 increased, 508 reduced and 121 closed positions. Its largest new stake was Willis Towers Watson: 37,173 shares worth $4.41M. The largest sale was SIRONA DENTAL SYSTEMS INC COM STK, an estimated $57.3M.

By sector, the portfolio is most concentrated in Healthcare at 19% of assets, down from 20% a quarter earlier, followed by Technology and Industrials.

  • William Blair & Company's largest Q1 2016 buy was Willis Towers Watson: 37,173 shares worth $4.41M.
  • William Blair & Company added most to Dentsply Sirona in Q1 2016, an estimated $51.3M increase.
  • William Blair & Company's biggest Q1 2016 reduction was WEX, cutting an estimated $35.3M.
  • William Blair & Company fully exited SIRONA DENTAL SYSTEMS INC COM STK in Q1 2016, selling an estimated $57.3M.
  • William Blair & Company's ten largest holdings make up 18% of its $10.6B portfolio in Q1 2016.
  • William Blair & Company opened 89 new positions and closed 121 in Q1 2016.
  • William Blair & Company's portfolio value fell 0.27% quarter-over-quarter to $10.6B.

Based on William Blair & Company's 13F filing for Q1 2016, filed 16 May 2016.