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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
FLRN icon
1076
State Street SPDR Bloomberg Investment Grade Floating Rate ETF
FLRN
$2.97B
$349K ﹤0.01%
11,409
-950
-8% -$29K
LECO icon
1077
Lincoln Electric
LECO
$15.5B
$349K ﹤0.01%
3,787
-128
-3% -$11.8K
IPGP icon
1078
IPG Photonics
IPGP
$3.57B
$347K ﹤0.01%
2,039
-704
-26% -$116K
PVG
1079
DELISTED
PRETIUM RESOURCES INC.
PVG
$347K ﹤0.01%
27,025
-15,150
-36% -$171K
FTDR icon
1080
Frontdoor
FTDR
$5.83B
$346K ﹤0.01%
8,889
+2,128
+31% +$90.8K
RGT
1081
Royce Global Value Trust
RGT
$101M
$346K ﹤0.01%
28,195
– –
SNSR icon
1082
Global X Internet of Things ETF
SNSR
$224M
$346K ﹤0.01%
+13,208
New +$346K
EWG icon
1083
iShares MSCI Germany ETF
EWG
$1.67B
$345K ﹤0.01%
11,829
+10,390
+722% +$305K
WSC icon
1084
WillScot Mobile Mini Holdings
WSC
$4.17B
$345K ﹤0.01%
+20,697
New +$331K
VMBS icon
1085
Vanguard Mortgage-Backed Securities ETF
VMBS
$15.7B
$344K ﹤0.01%
6,337
+2,446
+63% +$133K
IYY icon
1086
iShares Dow Jones US ETF
IYY
$3.09B
$342K ﹤0.01%
4,108
+6
+0.1% +$494
EEMA icon
1087
iShares MSCI Emerging Markets Asia ETF
EEMA
$871M
$341K ﹤0.01%
4,568
– –
LRN icon
1088
Stride
LRN
$3.48B
$341K ﹤0.01%
+12,938
New +$500K
MHK icon
1089
Mohawk Industries
MHK
$9.42B
$341K ﹤0.01%
3,497
-684
-16% -$61.5K
LVGO
1090
DELISTED
Livongo Health, Inc. Common Stock
LVGO
$339K ﹤0.01%
2,420
-3,485
-59% -$425K
APPS icon
1091
Digital Turbine
APPS
$1.53B
$338K ﹤0.01%
10,335
-2,165
-17% -$46.6K
OSW icon
1092
OneSpaWorld
OSW
$2.73B
$338K ﹤0.01%
51,950
-42,663
-45% -$259K
COOP
1093
DELISTED
Mr. Cooper
COOP
$335K ﹤0.01%
15,000
– –
MAS icon
1094
Masco
MAS
$14.7B
$334K ﹤0.01%
6,065
-772
-11% -$43.2K
VERU icon
1095
Veru
VERU
$46M
$334K ﹤0.01%
12,763
– –
ATEC icon
1096
Alphatec Holdings
ATEC
$1.51B
$332K ﹤0.01%
50,000
+30,000
+150% +$169K
DXJ icon
1097
WisdomTree Japan Hedged Equity Fund
DXJ
$7.55B
$332K ﹤0.01%
6,777
– –
NBHC icon
1098
National Bank Holdings
NBHC
$1.94B
$331K ﹤0.01%
12,592
– –
ROBO icon
1099
ROBO Global Robotics & Automation Index ETF
ROBO
$2.13B
$331K ﹤0.01%
6,868
+400
+6% +$18.7K
SE icon
1100
Sea Limited
SE
$75.5B
$330K ﹤0.01%
+2,142
New +$289K
42 43
44
45 46

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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.