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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
VONG icon
701
Vanguard Russell 1000 Growth ETF
VONG
$46.3B
$1.21M 0.01%
21,708
+7,712
+55% +$418K
MRNA icon
702
Moderna
MRNA
$25.1B
$1.21M 0.01%
17,083
+1,022
+6% +$71.3K
SRCL
703
DELISTED
Stericycle Inc
SRCL
$1.2M 0.01%
19,021
-7,139
-27% -$438K
VVNT.WS
704
DELISTED
Vivint Smart Home, Inc. Warrants, each exercisable for one Class A Common Stock at an exercise price
VVNT.WS
$1.2M 0.01%
188,430
-33,966
-15% -$196K
VIS icon
705
Vanguard Industrials ETF
VIS
$8.51B
$1.18M 0.01%
8,155
+974
+14% +$137K
PHM icon
706
Pultegroup
PHM
$24.8B
$1.18M 0.01%
+25,433
New +$1.09M
AFL icon
707
Aflac
AFL
$60.7B
$1.18M 0.01%
32,344
-5,036
-13% -$183K
MFC icon
708
Manulife Financial
MFC
$72.7B
$1.18M 0.01%
84,491
-9,063
-10% -$130K
JCI icon
709
Johnson Controls International
JCI
$92.3B
$1.16M ﹤0.01%
28,445
+22,015
+342% +$862K
PLD icon
710
Prologis
PLD
$134B
$1.16M ﹤0.01%
11,511
+1,905
+20% +$191K
GAIN icon
711
Gladstone Investment Corp
GAIN
$658M
$1.15M ﹤0.01%
126,689
-9,525
-7% -$90.8K
BHP icon
712
BHP
BHP
$223B
$1.15M ﹤0.01%
+24,974
New +$1.2M
EWJ icon
713
iShares MSCI Japan ETF
EWJ
$23.2B
$1.15M ﹤0.01%
19,499
-15,750
-45% -$902K
STE icon
714
Steris
STE
$23B
$1.15M ﹤0.01%
6,531
+1,049
+19% +$168K
NATI
715
DELISTED
National Instruments Corp
NATI
$1.14M ﹤0.01%
32,036
+2,299
+8% +$83.6K
VTHR icon
716
Vanguard Russell 3000 ETF
VTHR
$4.88B
$1.13M ﹤0.01%
7,421
-282
-4% -$42.4K
KBWB icon
717
Invesco KBW Bank ETF
KBWB
$6.85B
$1.13M ﹤0.01%
30,064
+29,950
+26,272% +$1.16M
CIEN icon
718
Ciena
CIEN
$64B
$1.13M ﹤0.01%
28,347
+1,232
+5% +$64.8K
RDS.A
719
DELISTED
Royal Dutch Shell PLC ADS Class A
RDS.A
$1.12M ﹤0.01%
44,616
-21,149
-32% -$640K
GGG icon
720
Graco
GGG
$13.3B
$1.12M ﹤0.01%
18,279
+3,161
+21% +$177K
HCA icon
721
HCA Healthcare
HCA
$88.9B
$1.12M ﹤0.01%
8,983
+782
+10% +$96.8K
PPL
722
PPL Corp
PPL
$26.8B
$1.12M ﹤0.01%
41,077
+10,915
+36% +$294K
LL
723
DELISTED
LL Flooring Holdings, Inc.
LL
$1.11M ﹤0.01%
50,480
+26,080
+107% +$557K
EFOR
724
Everforth Inc
EFOR
$1.34B
$1.09M ﹤0.01%
17,222
-1,768
-9% -$122K
DBEF icon
725
Xtrackers MSCI EAFE Hedged Equity ETF
DBEF
$9.46B
$1.09M ﹤0.01%
35,767
-114,902
-76% -$3.53M
27 28
29
30 31

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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.