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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
+12.53%
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
$23.6B
AUM Growth
+$2.6B
Cap. Flow
+$316M
Cap. Flow %
1.34%
Top 10 Hldgs %
26.84%
Holding
1,800
New
126
Increased
679
Reduced
652
Closed
80

Top Buys

Rank Stock Value
1
QDEL icon
QuidelOrtho
QDEL
+$40.3M
2
TDOC icon
Teladoc Health
TDOC
+$32.5M
3
CTAS icon
Cintas
CTAS
+$25.5M
4
ECL icon
Ecolab
ECL
+$25.4M
5
FTV icon
Fortive
FTV
+$24M

Top Sells

Rank Stock Value
1
GS icon
Goldman Sachs
GS
+$46.7M
2
GWRE icon
Guidewire Software
GWRE
+$38.9M
3
ANET icon
Arista Networks
ANET
+$31.4M
4
V icon
Visa
V
+$25.9M
5
PFNX
Pfenex Inc.
PFNX
+$25.4M

Sector Composition

Rank Sector Weight
1 Technology 27.37%
2 Healthcare 19.68%
3 Financials 10.88%
4 Consumer Discretionary 10.56%
5 Industrials 8.4%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AAL icon
1001
American Airlines Group
AAL
$9.97B
$447K ﹤0.01%
+36,349
New +$456K
ITGR icon
1002
Integer Holdings
ITGR
$4.25B
$444K ﹤0.01%
7,532
+324
+4% +$21.6K
SPHD icon
1003
Invesco S&P 500 High Dividend Low Volatility ETF
SPHD
$3.43B
$444K ﹤0.01%
13,464
+11,169
+487% +$377K
TAL icon
1004
TAL Education Group
TAL
$6.43B
$444K ﹤0.01%
5,835
-975
-14% -$73.5K
ICLR icon
1005
Icon
ICLR
$12.9B
$443K ﹤0.01%
2,320
+80
+4% +$14.7K
VCR icon
1006
Vanguard Consumer Discretionary ETF
VCR
$6.11B
$443K ﹤0.01%
1,890
+464
+33% +$105K
SKYY icon
1007
First Trust Cloud Computing ETF
SKYY
$3.38B
$438K ﹤0.01%
5,585
-3,057
-35% -$237K
EMLP icon
1008
First Trust North American Energy Infrastructure Fund
EMLP
$4.16B
$435K ﹤0.01%
22,868
-86
-0.4% -$1.74K
VXUS icon
1009
Vanguard Total International Stock ETF
VXUS
$164B
$434K ﹤0.01%
8,319
-148
-2% -$7.76K
GOEVW
1010
DELISTED
Canoo Inc. Warrant
GOEVW
$433K ﹤0.01%
187,500
-102,750
-35% -$200K
SIRI icon
1011
SiriusXM
SIRI
$9.43B
$432K ﹤0.01%
8,053
+288
+4% +$16.5K
ZS icon
1012
Zscaler
ZS
$30.4B
$430K ﹤0.01%
3,055
+660
+28% +$85.7K
SPH icon
1013
Suburban Propane Partners
SPH
$1.17B
$429K ﹤0.01%
26,343
-3,715
-12% -$50.9K
VRTU
1014
DELISTED
Virtusa Corporation
VRTU
$429K ﹤0.01%
8,718
-178
-2% -$7.07K
IYJ icon
1015
iShares US Industrials ETF
IYJ
$1.96B
$428K ﹤0.01%
5,122
+976
+24% +$79.4K
MOS icon
1016
The Mosaic Company
MOS
$6.92B
$427K ﹤0.01%
23,349
+3,865
+20% +$62.9K
EPI icon
1017
WisdomTree India Earnings Fund ETF
EPI
$2.04B
$426K ﹤0.01%
18,047
-5,150
-22% -$117K
ENTG icon
1018
Entegris
ENTG
$25B
$424K ﹤0.01%
5,709
-332
-5% -$22.3K
BNDX icon
1019
Vanguard Total International Bond ETF
BNDX
$83B
$423K ﹤0.01%
7,273
-1,769
-20% -$103K
EMB icon
1020
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$15B
$421K ﹤0.01%
3,795
+2,708
+249% +$304K
UUP icon
1021
Invesco DB US Dollar Index Bullish Fund
UUP
$414M
$421K ﹤0.01%
+16,625
New +$422K
ZROZ icon
1022
PIMCO 25+ Year Zero Coupon US Treasury Index Exchange-Traded Fund
ZROZ
$1.31B
$421K ﹤0.01%
2,460
+1,365
+125% +$240K
DSGR icon
1023
Distribution Solutions Group
DSGR
$1.61B
$420K ﹤0.01%
20,450
– –
PINS icon
1024
Pinterest
PINS
$13.2B
$417K ﹤0.01%
+10,050
New +$328K
UGI icon
1025
UGI
UGI
$7.56B
$417K ﹤0.01%
12,634
+3,740
+42% +$124K
39 40
41
42 43

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William Blair & Company's Q3 2020 Portfolio in Review

As of Q3 2020, William Blair & Company held 1,800 positions worth $23.6B, up 12% from $21B the previous quarter. Its ten largest holdings account for 27% of the portfolio.

William Blair & Company's Q3 2020 filing shows 126 new, 679 increased, 652 reduced and 80 closed positions. Its largest new stake was Unity: 72,858 shares worth $6.36M. The largest sale was Goldman Sachs, an estimated $46.7M.

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

  • William Blair & Company's largest Q3 2020 buy was Unity: 72,858 shares worth $6.36M.
  • William Blair & Company added most to QuidelOrtho in Q3 2020, an estimated $40.3M increase.
  • William Blair & Company's biggest Q3 2020 reduction was Goldman Sachs, cutting an estimated $46.7M.
  • William Blair & Company fully exited Pfenex Inc. in Q3 2020, selling an estimated $25.4M.
  • William Blair & Company's ten largest holdings make up 27% of its $23.6B portfolio in Q3 2020.
  • William Blair & Company opened 126 new positions and closed 80 in Q3 2020.
  • William Blair & Company's portfolio value rose 12% quarter-over-quarter to $23.6B.

Based on William Blair & Company's 13F filing for Q3 2020, filed 6 Nov 2020.