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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
HEI.A icon
676
HEICO Corp Class A
HEI.A
$38.1B
$1.35M 0.01%
15,273
-1,209
-7% -$102K
PRU icon
677
Prudential Financial
PRU
$43B
$1.35M 0.01%
21,213
+1,881
+10% +$124K
NICE icon
678
Nice
NICE
$6.17B
$1.34M 0.01%
5,919
-474
-7% -$101K
GGT
679
Gabelli Multimedia Trust
GGT
$175M
$1.34M 0.01%
211,019
-15,175
-7% -$103K
CBRL icon
680
Cracker Barrel
CBRL
$1.31B
$1.32M 0.01%
11,553
-5,320
-32% -$624K
GRMN
681
Garmin
GRMN
$60.2B
$1.31M 0.01%
13,798
+3,138
+29% +$314K
NUAN
682
DELISTED
Nuance Communications, Inc.
NUAN
$1.3M 0.01%
39,221
-167
-0.4% -$4.84K
IVOG icon
683
Vanguard S&P Mid-Cap 400 Growth ETF
IVOG
$1.73B
$1.29M 0.01%
17,300
+302
+2% +$22.3K
CABO icon
684
Cable One
CABO
$206M
$1.27M 0.01%
675
-11
-2% -$19.9K
LOPE icon
685
Grand Canyon Education
LOPE
$3.79B
$1.27M 0.01%
15,875
+639
+4% +$57.8K
CARG icon
686
CarGurus
CARG
$3.38B
$1.26M 0.01%
58,417
-7,677
-12% -$197K
DTD icon
687
WisdomTree US Total Dividend Fund
DTD
$1.7B
$1.26M 0.01%
26,804
-2,330
-8% -$110K
WTW icon
688
Willis Towers Watson
WTW
$31B
$1.26M 0.01%
6,019
+290
+5% +$59.2K
CRL icon
689
Charles River Laboratories
CRL
$13.4B
$1.25M 0.01%
5,535
+76
+1% +$15.8K
ICLN icon
690
iShares Global Clean Energy ETF
ICLN
$2.11B
$1.24M 0.01%
67,215
+54,376
+424% +$850K
AXON
691
Axon Enterprise
AXON
$50B
$1.24M 0.01%
13,670
+5,130
+60% +$446K
MBB icon
692
iShares MBS ETF
MBB
$39.2B
$1.24M 0.01%
11,189
+6,106
+120% +$675K
MTW icon
693
Manitowoc
MTW
$753M
$1.23M 0.01%
146,676
– –
AZPN
694
DELISTED
ASPEN TECHNOLOGY INC
AZPN
$1.23M 0.01%
9,745
+107
+1% +$13.5K
PBH icon
695
Prestige Consumer Healthcare
PBH
$2.43B
$1.23M 0.01%
33,764
– –
BUD icon
696
AB InBev
BUD
$158B
$1.23M 0.01%
22,744
-2,735
-11% -$152K
OTIS icon
697
Otis Worldwide
OTIS
$27.8B
$1.22M 0.01%
19,602
-33,601
-63% -$2.06M
BIP icon
698
Brookfield Infrastructure Partners
BIP
$18.4B
$1.22M 0.01%
38,388
-213
-0.6% -$6.27K
RYN icon
699
Rayonier
RYN
$6.54B
$1.22M 0.01%
50,704
-7,814
-13% -$195K
DTE icon
700
DTE Energy
DTE
$29B
$1.21M 0.01%
12,388
-33
-0.3% -$3.22K
26 27
28
29 30

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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.