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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
SQQQ icon
1651
ProShares UltraPro Short QQQ
SQQQ
$1.73B
$3K ﹤0.01%
1
– –
ENFR icon
1652
Alerian Energy Infrastructure ETF
ENFR
$521M
$2K ﹤0.01%
160
-14,074
-99% -$194K
FXN icon
1653
First Trust Energy AlphaDEX Fund
FXN
$388M
$2K ﹤0.01%
419
– –
IHF icon
1654
iShares US Healthcare Providers ETF
IHF
$1.27B
$2K ﹤0.01%
40
– –
KCE icon
1655
State Street SPDR S&P Capital Markets ETF
KCE
$473M
$2K ﹤0.01%
42
– –
MLPX icon
1656
Global X MLP & Energy Infrastructure ETF
MLPX
$3.57B
$2K ﹤0.01%
104
– –
NORW icon
1657
Global X MSCI Norway ETF
NORW
$87.7M
$2K ﹤0.01%
69
– –
PARAA
1658
DELISTED
Paramount Global Class A
PARAA
$2K ﹤0.01%
75
– –
PJP icon
1659
Invesco Pharmaceuticals ETF
PJP
$499M
$2K ﹤0.01%
28
– –
VTWV icon
1660
Vanguard Russell 2000 Value ETF
VTWV
$1.37B
$2K ﹤0.01%
20
– –
XRLV
1661
DELISTED
Invesco S&P 500 ex-Rate Sensitive Low Volatility ETF
XRLV
$2K ﹤0.01%
55
– –
DEW icon
1662
WisdomTree Global High Dividend Fund
DEW
$155M
$1K ﹤0.01%
28
– –
EINC icon
1663
VanEck Energy Income ETF
EINC
$79.5M
$1K ﹤0.01%
+38
New +$1.44K
EPOL icon
1664
iShares MSCI Poland ETF
EPOL
$825M
$1K ﹤0.01%
55
– –
IMCV icon
1665
iShares Morningstar Mid-Cap Value ETF
IMCV
$1.16B
$1K ﹤0.01%
30
– –
FDIQ
1666
Invesco Bloomberg Financial Data Providers ETF
FDIQ
$48.1M
$1K ﹤0.01%
41
– –
KXI icon
1667
iShares Global Consumer Staples ETF
KXI
$1.06B
$1K ﹤0.01%
12
– –
LTPZ icon
1668
PIMCO 15+ Year US TIPS Index Exchange-Traded Fund
LTPZ
$741M
$1K ﹤0.01%
+7
New +$609
MLPA icon
1669
Global X MLP ETF
MLPA
$2.29B
$1K ﹤0.01%
66
– –
NANR icon
1670
State Street SPDR S&P North American Natural Resources ETF
NANR
$812M
$1K ﹤0.01%
+46
New +$1.39K
PSP icon
1671
Invesco Global Listed Private Equity ETF
PSP
$248M
$1K ﹤0.01%
+25
New +$1.37K
SDIV icon
1672
Global X SuperDividend ETF
SDIV
$1.21B
$1K ﹤0.01%
38
– –
VLUE icon
1673
iShares MSCI USA Value Factor ETF
VLUE
$9.59B
$1K ﹤0.01%
10
-19
-66% -$1.41K
XES icon
1674
State Street SPDR S&P Oil & Gas Equipment & Services ETF
XES
$390M
$1K ﹤0.01%
23
-85
-79% -$2.88K
PDCE
1675
DELISTED
PDC Energy, Inc.
PDCE
$1K ﹤0.01%
70
-60
-46% -$855
65 66
67
68 69

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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.