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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
SWN
1451
DELISTED
Southwestern Energy Company
SWN
$68K ﹤0.01%
29,035
-54
-0.2% -$144
ITEQ icon
1452
Amplify BlueStar Israel Technology ETF
ITEQ
$118M
$67K ﹤0.01%
1,200
– –
HEWG
1453
DELISTED
iShares Currency Hedged MSCI Germany ETF
HEWG
$67K ﹤0.01%
2,396
– –
SPYD icon
1454
State Street SPDR Portfolio S&P 500 High Dividend ETF
SPYD
$7.69B
$64K ﹤0.01%
2,322
+719
+45% +$20.3K
GERM
1455
DELISTED
Amplify Treatments, Testing and Advancements ETF
GERM
$64K ﹤0.01%
+2,312
New +$68K
BLV icon
1456
Vanguard Long-Term Bond ETF
BLV
$5.7B
$62K ﹤0.01%
557
+195
+54% +$22.2K
FREL icon
1457
Fidelity MSCI Real Estate Index ETF
FREL
$1.47B
$62K ﹤0.01%
2,657
-145
-5% -$3.46K
MDYG icon
1458
State Street SPDR S&P 400 Mid Cap Growth ETF
MDYG
$2.96B
$62K ﹤0.01%
1,075
+1,018
+1,786% +$58.1K
SCHE icon
1459
Schwab Emerging Markets Equity ETF
SCHE
$12.9B
$62K ﹤0.01%
2,303
+1,632
+243% +$43.6K
UEC icon
1460
Uranium Energy
UEC
$5.62B
$62K ﹤0.01%
62,000
+12,000
+24% +$12.3K
LGF.A
1461
DELISTED
Lions Gate Entertainment Corp. Class A Voting Shares
LGF.A
$62K ﹤0.01%
6,500
-2,000
-24% -$17.3K
PFXF icon
1462
VanEck Preferred Securities ex Financials ETF
PFXF
$2.47B
$61K ﹤0.01%
3,200
-275
-8% -$5.24K
PID icon
1463
Invesco International Dividend Achievers ETF
PID
$912M
$61K ﹤0.01%
4,800
– –
PPA icon
1464
Invesco Aerospace & Defense ETF
PPA
$8.74B
$60K ﹤0.01%
1,080
– –
SPTL icon
1465
State Street SPDR Portfolio Long Term Treasury ETF
SPTL
$10.7B
$60K ﹤0.01%
1,278
-180
-12% -$8.54K
EWX icon
1466
State Street SPDR S&P Emerging Markets Small Cap ETF
EWX
$702M
$59K ﹤0.01%
1,320
-125
-9% -$5.55K
SMFG icon
1467
Sumitomo Mitsui Financial
SMFG
$166B
$58K ﹤0.01%
+10,365
New +$59.4K
BGY icon
1468
BlackRock Enhanced International Dividend Trust
BGY
$532M
$57K ﹤0.01%
10,787
– –
FXL icon
1469
First Trust Technology AlphaDEX Fund
FXL
$2.84B
$56K ﹤0.01%
615
– –
MCHI icon
1470
iShares MSCI China ETF
MCHI
$6.21B
$56K ﹤0.01%
760
-10,948
-94% -$802K
PSK icon
1471
State Street SPDR ICE Preferred Securities ETF
PSK
$683M
$56K ﹤0.01%
1,280
+430
+51% +$18.6K
DLS icon
1472
WisdomTree International SmallCap Dividend Fund
DLS
$1.08B
$54K ﹤0.01%
906
– –
LGF.B
1473
DELISTED
Lions Gate Entertainment Corp. Class B Non-Voting Shares
LGF.B
$54K ﹤0.01%
6,136
+3,450
+128% +$27.6K
ADRE
1474
DELISTED
Invesco BLDRS Emerging Markets 50 ADR Index Fund
ADRE
$54K ﹤0.01%
1,152
– –
EZM icon
1475
WisdomTree US MidCap Fund
EZM
$957M
$53K ﹤0.01%
1,563
– –
57 58
59
60 61

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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.