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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
FNI
1676
DELISTED
First Trust Chindia ETF
FNI
$1K ﹤0.01%
12
– –
AIG.WS
1677
DELISTED
American International Group, Inc.
AIG.WS
$1K ﹤0.01%
9,272
-80
-0.9% -$59
NORW
1678
DELISTED
Global X MSCI Norway ETF
NORW
$1K ﹤0.01%
130
– –
AGZ icon
1679
iShares Agency Bond ETF
AGZ
$564M
– –
-5
Closed -$1K
AIR icon
1680
AAR Corp
AIR
$5.96B
– –
-26,302
Closed -$544K
ALDX icon
1681
Aldeyra Therapeutics
ALDX
$91.7M
– –
-10,850
Closed -$45K
AMRN
1682
Amarin Corp
AMRN
$297M
– –
-544
Closed -$75K
BCRX icon
1683
BioCryst Pharmaceuticals
BCRX
$2.71B
– –
-10,000
Closed -$48K
BFH icon
1684
Bread Financial
BFH
$4.46B
– –
-5,647
Closed -$203K
BOE icon
1685
BlackRock Enhanced Global Dividend Trust
BOE
$695M
– –
-11,520
Closed -$109K
CINF icon
1686
Cincinnati Financial
CINF
$26.5B
– –
-8,731
Closed -$559K
CMBS icon
1687
iShares CMBS ETF
CMBS
$472M
– –
-11
Closed -$1K
CXW icon
1688
CoreCivic
CXW
$3.32B
– –
-10,600
Closed -$99K
DBI icon
1689
Designer Brands
DBI
$311M
– –
-245,121
Closed -$1.66M
DJP icon
1690
iPath Bloomberg Commodity Index Total Return ETN due 12 June 2036
DJP
$825M
– –
-88
Closed -$2K
DLTR icon
1691
Dollar Tree
DLTR
$24.7B
– –
-2,422
Closed -$224K
DMAC icon
1692
DiaMedica Therapeutics
DMAC
$369M
– –
-10,000
Closed -$69K
DPZ icon
1693
Domino's
DPZ
$11.7B
– –
-593
Closed -$219K
DTIL icon
1694
Precision BioSciences
DTIL
$205M
– –
-1,190
Closed -$297K
DVYE icon
1695
iShares Emerging Markets Dividend ETF
DVYE
$1.21B
– –
-558
Closed -$17K
DXD icon
1696
ProShares UltraShort Dow 30
DXD
$42.7M
$0 ﹤0.01%
5
– –
ERIE icon
1697
Erie Indemnity
ERIE
$13.5B
– –
-2,601
Closed -$499K
ETG
1698
Eaton Vance Tax-Advantaged Global Dividend Income Fund
ETG
$1.87B
– –
-14,000
Closed -$200K
FFIV icon
1699
F5
FFIV
$24B
– –
-1,541
Closed -$215K
FIW icon
1700
First Trust Water ETF
FIW
$1.92B
$0 ﹤0.01%
+4
New +$238
66 67
68
69 70

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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.