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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
HD icon
26
Home Depot
HD
$344B
$170M 0.72%
613,789
+2,644
+0.4% +$716K
FAST icon
27
Fastenal
FAST
$59.8B
$163M 0.69%
7,220,272
-158,174
-2% -$3.64M
VRSK icon
28
Verisk Analytics
VRSK
$23.4B
$156M 0.66%
844,082
-20,879
-2% -$3.82M
AMT icon
29
American Tower
AMT
$79.5B
$156M 0.66%
646,749
+2,539
+0.4% +$644K
TDOC icon
30
Teladoc Health
TDOC
$1.2B
$156M 0.66%
712,894
+153,542
+27% +$32.5M
META icon
31
Meta Platforms (Facebook)
META
$1.48T
$155M 0.66%
593,399
+75,517
+15% +$19.5M
SYK icon
32
Stryker
SYK
$133B
$149M 0.63%
713,654
+57,929
+9% +$11.3M
VIG icon
33
Vanguard Dividend Appreciation ETF
VIG
$115B
$146M 0.62%
1,131,959
+9,406
+0.8% +$1.18M
CPRT icon
34
Copart
CPRT
$26.8B
$144M 0.61%
5,478,972
+69,772
+1% +$1.69M
TYL icon
35
Tyler Technologies
TYL
$12.9B
$144M 0.61%
412,315
-65,600
-14% -$22.7M
INTU icon
36
Intuit
INTU
$90.6B
$142M 0.6%
435,151
+7,886
+2% +$2.47M
ACN icon
37
Accenture
ACN
$109B
$141M 0.6%
622,786
+921
+0.1% +$211K
COST icon
38
Costco
COST
$421B
$137M 0.58%
384,540
+37,508
+11% +$12.6M
JPM icon
39
JPMorgan Chase
JPM
$971B
$134M 0.57%
1,389,537
-139,115
-9% -$13.7M
LULU icon
40
lululemon athletica
LULU
$13.8B
$133M 0.56%
402,559
-6,041
-1% -$2.02M
JNJ icon
41
Johnson & Johnson
JNJ
$629B
$132M 0.56%
887,273
+90,338
+11% +$13.4M
WSO icon
42
Watsco Inc
WSO
$12.8B
$131M 0.55%
561,639
-19,108
-3% -$4.3M
GWRE icon
43
Guidewire Software
GWRE
$14.4B
$128M 0.54%
1,226,903
-346,320
-22% -$38.9M
FTV icon
44
Fortive
FTV
$18.6B
$123M 0.52%
2,567,717
+525,910
+26% +$24M
POOL icon
45
Pool Corp
POOL
$7.28B
$121M 0.52%
362,971
+35,939
+11% +$11.1M
PG icon
46
Procter & Gamble
PG
$336B
$113M 0.48%
815,037
+28,869
+4% +$3.83M
PGR icon
47
Progressive
PGR
$121B
$112M 0.48%
1,183,235
+4,068
+0.3% +$366K
DIS icon
48
Walt Disney
DIS
$178B
$111M 0.47%
898,096
+36,165
+4% +$4.52M
ABMD
49
DELISTED
Abiomed Inc
ABMD
$111M 0.47%
400,640
+37,541
+10% +$10.8M
OKTA icon
50
Okta
OKTA
$25.8B
$110M 0.47%
515,177
+3,368
+0.7% +$702K
1
2
3 4 5

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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.