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William Blair & Company

William Blair & Company Portfolio holdings

AUM $38.4B
1-Year Est. Return 25.71%
This Fund
S&P 500
This Quarter Est. Return
+31.62%
1 Year Est. Return
+25.71%
3 Year Est. Return
+88.7%
5 Year Est. Return
+104.53%
10 Year Est. Return
+665.86%
AUM
$21B
AUM Growth
+$4.97B
Cap. Flow
+$438M
Cap. Flow %
2.09%
Top 10 Hldgs %
26.83%
Holding
1,788
New
129
Increased
575
Reduced
731
Closed
107

Top Buys

Rank Stock Value
1
COUP
Coupa Software Incorporated
COUP
+$55.8M
2
DOCU
DocuSign
DOCU
+$52.4M
3
AON icon
Aon
AON
+$47.5M
4
SBUX icon
Starbucks
SBUX
+$44.7M
5
ABMD
Abiomed Inc
ABMD
+$39.1M

Top Sells

Rank Stock Value
1
DIS icon
Walt Disney
DIS
+$56.6M
2
PCTY icon
Paylocity
PCTY
+$45.8M
3
BRK.B icon
Berkshire Hathaway Class B
BRK.B
+$36.9M
4
DLB icon
Dolby
DLB
+$28.4M
5
AXP icon
American Express
AXP
+$22.2M

Sector Composition

Rank Sector Weight
1 Technology 27.38%
2 Healthcare 19.32%
3 Financials 11.61%
4 Consumer Discretionary 10.23%
5 Industrials 8.05%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
BIP icon
701
Brookfield Infrastructure Partners
BIP
$18.2B
$1.06M 0.01%
38,601
-33,291
-46% -$888K
ISTB icon
702
iShares Core 1-5 Year USD Bond ETF
ISTB
$5.13B
$1.06M 0.01%
20,520
+1,772
+9% +$90.5K
VIRT icon
703
Virtu Financial
VIRT
$5.09B
$1.05M 0.01%
44,634
-5,851
-12% -$137K
TTD icon
704
Trade Desk
TTD
$6.4B
$1.05M 0.01%
25,860
-2,510
-9% -$75.7K
LNT icon
705
Alliant Energy
LNT
$18.3B
$1.04M 0.01%
21,836
-4,445
-17% -$216K
HSIC icon
706
Henry Schein
HSIC
$10.1B
$1.04M 0.01%
17,814
-354
-2% -$19.8K
GRMN
707
Garmin
GRMN
$59.7B
$1.04M 0.01%
10,660
+5,782
+119% +$494K
PETQ
708
DELISTED
PetIQ, Inc. Class A Common Stock
PETQ
$1.04M ﹤0.01%
29,738
-2,350
-7% -$65.9K
MRNA icon
709
Moderna
MRNA
$25.6B
$1.03M ﹤0.01%
+16,061
New +$880K
ORI icon
710
Old Republic International
ORI
$10.3B
$1.03M ﹤0.01%
63,064
– –
MIDD icon
711
Middleby
MIDD
$5.35B
$1.03M ﹤0.01%
12,994
-5,133
-28% -$333K
CLR
712
DELISTED
CONTINENTAL RESOURCES INC.
CLR
$1.03M ﹤0.01%
58,520
-4,050
-6% -$56.9K
VTEB icon
713
Vanguard Tax-Exempt Bond Index Fund
VTEB
$46.1B
$1.02M ﹤0.01%
18,876
+11,888
+170% +$633K
FFIC
714
DELISTED
Flushing Financial
FFIC
$1.02M ﹤0.01%
88,533
+76,737
+651% +$878K
BILL icon
715
BILL Holdings
BILL
$4.88B
$1.02M ﹤0.01%
+11,291
New +$727K
BJ icon
716
BJs Wholesale Club
BJ
$11.9B
$1.01M ﹤0.01%
27,083
-447,557
-94% -$13.7M
AZPN
717
DELISTED
ASPEN TECHNOLOGY INC
AZPN
$999K ﹤0.01%
9,638
-7,729
-45% -$801K
NUAN
718
DELISTED
Nuance Communications, Inc.
NUAN
$997K ﹤0.01%
39,388
-648
-2% -$13.5K
BNY
719
Bank of New York Mellon
BNY
$111B
$994K ﹤0.01%
25,726
+2,400
+10% +$87.8K
KHC icon
720
Kraft Heinz
KHC
$29.6B
$984K ﹤0.01%
30,843
-6,080
-16% -$183K
LPRO
721
DELISTED
Open Lending Corp
LPRO
$984K ﹤0.01%
+65,176
New +$739K
LW icon
722
Lamb Weston
LW
$7.32B
$978K ﹤0.01%
15,303
-914
-6% -$55.2K
ALBO
723
DELISTED
Albireo Pharma Inc
ALBO
$976K ﹤0.01%
36,844
-3,582
-9% -$84.5K
ARWR icon
724
Arrowhead Research
ARWR
$12.3B
$974K ﹤0.01%
22,540
-1,050
-4% -$37.1K
CRL icon
725
Charles River Laboratories
CRL
$13.5B
$952K ﹤0.01%
5,459
+284
+5% +$45.3K
27 28
29
30 31

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William Blair & Company's Q2 2020 Portfolio in Review

As of Q2 2020, William Blair & Company held 1,788 positions worth $21B, up 31% from $16B the previous quarter. Its ten largest holdings account for 27% of the portfolio.

William Blair & Company's Q2 2020 filing shows 129 new, 575 increased, 731 reduced and 107 closed positions. Its largest new stake was Aon: 255,110 shares worth $49.1M. The largest sale was Walt Disney, an estimated $56.6M.

By sector, the portfolio is most concentrated in Technology at 27% of assets, up from 25% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q2 2020 buy was Aon: 255,110 shares worth $49.1M.
  • William Blair & Company added most to Coupa Software Incorporated in Q2 2020, an estimated $55.8M increase.
  • William Blair & Company's biggest Q2 2020 reduction was Walt Disney, cutting an estimated $56.6M.
  • William Blair & Company fully exited Prudential in Q2 2020, selling an estimated $2.8M.
  • William Blair & Company's ten largest holdings make up 27% of its $21B portfolio in Q2 2020.
  • William Blair & Company opened 129 new positions and closed 107 in Q2 2020.
  • William Blair & Company's portfolio value rose 31% quarter-over-quarter to $21B.

Based on William Blair & Company's 13F filing for Q2 2020, filed 12 Aug 2020.