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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
JETS icon
901
US Global Jets ETF
JETS
$832M
$628K ﹤0.01%
+37,150
New +$631K
SAM icon
902
Boston Beer
SAM
$1.9B
$627K ﹤0.01%
710
-34
-5% -$26.9K
XPO icon
903
XPO
XPO
$24.7B
$626K ﹤0.01%
21,367
+3,721
+21% +$107K
HAS icon
904
Hasbro
HAS
$13.6B
$620K ﹤0.01%
7,495
-3,008
-29% -$233K
IXUS icon
905
iShares Core MSCI Total International Stock ETF
IXUS
$60.8B
$620K ﹤0.01%
10,635
-1,856
-15% -$108K
FBIN icon
906
Fortune Brands Innovations
FBIN
$5.78B
$618K ﹤0.01%
8,353
-23,033
-73% -$1.54M
ROST icon
907
Ross Stores
ROST
$78.6B
$616K ﹤0.01%
6,603
-579
-8% -$52K
VGIT icon
908
Vanguard Intermediate-Term Treasury ETF
VGIT
$42.5B
$612K ﹤0.01%
8,680
+1,441
+20% +$102K
IMGN
909
DELISTED
Immunogen Inc
IMGN
$610K ﹤0.01%
169,370
+1,100
+0.7% +$4.44K
EXPE icon
910
Expedia Group
EXPE
$39.4B
$608K ﹤0.01%
6,631
-1,345
-17% -$121K
NTR icon
911
Nutrien
NTR
$32.2B
$608K ﹤0.01%
15,505
+400
+3% +$14.6K
FVD icon
912
First Trust Value Line Dividend Fund
FVD
$8.4B
$605K ﹤0.01%
19,219
+1,620
+9% +$51.4K
VAR
913
DELISTED
Varian Medical Systems, Inc.
VAR
$602K ﹤0.01%
3,499
-289
-8% -$45.4K
MPC icon
914
Marathon Petroleum
MPC
$100B
$600K ﹤0.01%
20,460
+8,093
+65% +$284K
QTWO icon
915
Q2 Holdings
QTWO
$4.13B
$594K ﹤0.01%
6,505
-45
-0.7% -$4.2K
WU icon
916
Western Union
WU
$2.34B
$593K ﹤0.01%
27,678
-5,467
-16% -$124K
VSAT icon
917
Viasat
VSAT
$11.4B
$591K ﹤0.01%
17,179
-1,025
-6% -$38.8K
EYE icon
918
National Vision
EYE
$1.51B
$588K ﹤0.01%
15,381
+1,449
+10% +$50.4K
IVE icon
919
iShares S&P 500 Value ETF
IVE
$50.3B
$588K ﹤0.01%
5,226
-2,744
-34% -$311K
NTES icon
920
NetEase
NTES
$78.5B
$587K ﹤0.01%
6,455
-1,275
-16% -$120K
SLF icon
921
Sun Life Financial
SLF
$44.8B
$584K ﹤0.01%
14,349
-52
-0.4% -$2.1K
ARW icon
922
Arrow Electronics
ARW
$10.6B
$583K ﹤0.01%
+7,413
New +$548K
FTCS icon
923
First Trust Capital Strength ETF
FTCS
$8.02B
$580K ﹤0.01%
9,172
-649
-7% -$40.6K
PNQI icon
924
Invesco NASDAQ Internet ETF
PNQI
$544M
$578K ﹤0.01%
14,000
-1,255
-8% -$49.5K
AVAV icon
925
AeroVironment
AVAV
$9.59B
$577K ﹤0.01%
9,614
-762
-7% -$56.6K
35 36
37
38 39

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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.