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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
SMDV icon
1101
ProShares Russell 2000 Dividend Growers ETF
SMDV
$708M
$330K ﹤0.01%
7,009
-80
-1% -$3.91K
DEM icon
1102
WisdomTree Emerging Markets High Dividend Fund
DEM
$3.98B
$329K ﹤0.01%
9,337
+999
+12% +$37.4K
IX icon
1103
ORIX
IX
$43.9B
$329K ﹤0.01%
26,270
-325
-1% -$4K
EDIT icon
1104
Editas Medicine
EDIT
$432M
$328K ﹤0.01%
11,700
+900
+8% +$29.3K
IEI icon
1105
iShares 3-7 Year Treasury Bond ETF
IEI
$17.7B
$328K ﹤0.01%
2,452
+305
+14% +$40.8K
RBC icon
1106
RBC Bearings
RBC
$17.5B
$327K ﹤0.01%
2,701
+705
+35% +$90.4K
SPOT icon
1107
Spotify
SPOT
$102B
$326K ﹤0.01%
+1,345
New +$347K
FMC icon
1108
FMC
FMC
$1.27B
$325K ﹤0.01%
3,066
+57
+2% +$6.1K
CLR
1109
DELISTED
CONTINENTAL RESOURCES INC.
CLR
$325K ﹤0.01%
26,500
-32,020
-55% -$520K
MAG
1110
DELISTED
MAG Silver
MAG
$324K ﹤0.01%
19,924
-5,000
-20% -$80.1K
TBT icon
1111
ProShares Trust UltraShort Lehman 20+ Year Treasury
TBT
$306M
$322K ﹤0.01%
20,512
– –
TLTD icon
1112
FlexShares Morningstar Developed Markets ex-US Factor Tilt Index Fund
TLTD
$690M
$321K ﹤0.01%
5,728
-8
-0.1% -$449
IYC icon
1113
iShares US Consumer Discretionary ETF
IYC
$1.22B
$318K ﹤0.01%
5,080
– –
VIOO icon
1114
Vanguard S&P Small-Cap 600 ETF
VIOO
$4.35B
$318K ﹤0.01%
4,926
– –
WH icon
1115
Wyndham Hotels & Resorts
WH
$5.51B
$318K ﹤0.01%
6,288
-154
-2% -$7.52K
FLIR
1116
DELISTED
FLIR Systems, Inc. (DE) Common Stock
FLIR
$318K ﹤0.01%
8,875
-20,320
-70% -$775K
COHU icon
1117
Cohu
COHU
$2.76B
$317K ﹤0.01%
18,428
– –
FWONK icon
1118
Liberty Media Series C
FWONK
$26B
$317K ﹤0.01%
9,051
+12
+0.1% +$422
TUP
1119
DELISTED
Tupperware Brands Corporation
TUP
$314K ﹤0.01%
15,577
-52
-0.3% -$790
ABM icon
1120
ABM Industries
ABM
$2.82B
$313K ﹤0.01%
8,545
+61
+0.7% +$2.23K
BOND icon
1121
PIMCO Active Bond Exchange-Traded Fund
BOND
$8.5B
$312K ﹤0.01%
2,772
+8
+0.3% +$899
BBBY
1122
Bed Bath & Beyond
BBBY
$423M
$312K ﹤0.01%
+4,722
New +$322K
NUE icon
1123
Nucor
NUE
$61.8B
$312K ﹤0.01%
6,956
+1,081
+18% +$47.9K
VSS icon
1124
Vanguard FTSE All-World ex-US Small-Cap Index Fund
VSS
$12B
$312K ﹤0.01%
2,961
+13
+0.4% +$1.35K
RNTX
1125
Rein Therapeutics
RNTX
$67.4M
$312K ﹤0.01%
12,092
+165
+1% +$3.88K
43 44
45
46 47

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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.