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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
TENX icon
1576
Tenax Therapeutics
TENX
$64.4M
$15K ﹤0.01%
6
– –
WFH
1577
DELISTED
Direxion Work From Home ETF
WFH
$15K ﹤0.01%
+274
New +$14.7K
XAR icon
1578
State Street SPDR S&P Aerospace & Defense ETF
XAR
$6.64B
$15K ﹤0.01%
168
+15
+10% +$1.33K
USEQ
1579
DELISTED
Invesco Russell 1000 Enhanced Equal Weight ETF
USEQ
$15K ﹤0.01%
580
– –
HTZ
1580
DELISTED
Hertz Global Holdings, Inc.
HTZ
$15K ﹤0.01%
13,850
– –
SPXU icon
1581
ProShares UltraPro Short S&P 500
SPXU
$385M
$14K ﹤0.01%
16
-3
-16% -$2.82K
AMPE
1582
DELISTED
Ampio Pharmaceuticals Inc.
AMPE
$14K ﹤0.01%
+50
New +$12.4K
ZMLP
1583
DELISTED
Direxion Zacks MLP High Income Index Shares
ZMLP
$14K ﹤0.01%
+274
New +$15.1K
XMPT icon
1584
VanEck CEF Muni Income ETF
XMPT
$219M
$13K ﹤0.01%
474
– –
EWD icon
1585
iShares MSCI Sweden ETF
EWD
$582M
$12K ﹤0.01%
+350
New +$12.2K
PAVE icon
1586
Global X US Infrastructure Development ETF
PAVE
$14.3B
$12K ﹤0.01%
+684
New +$11.3K
RZG icon
1587
Invesco S&P SmallCap 600 Pure Growth ETF
RZG
$138M
$12K ﹤0.01%
330
-540
-62% -$19.1K
TBX icon
1588
ProShares Short 7-10 Year Treasury
TBX
$20.9M
$12K ﹤0.01%
511
– –
XTL icon
1589
State Street SPDR S&P Telecom ETF
XTL
$558M
$12K ﹤0.01%
179
– –
AAXJ icon
1590
iShares MSCI All Country Asia ex Japan ETF
AAXJ
$3.83B
$11K ﹤0.01%
143
-42
-23% -$3.2K
CHIQ icon
1591
Global X MSCI China Consumer Discretionary ETF
CHIQ
$123M
$11K ﹤0.01%
396
– –
COHR icon
1592
Coherent
COHR
$69.6B
$11K ﹤0.01%
282
– –
CUT icon
1593
Invesco MSCI Global Timber ETF
CUT
$33.4M
$11K ﹤0.01%
400
– –
EZA icon
1594
iShares MSCI South Africa ETF
EZA
$567M
$11K ﹤0.01%
296
– –
ISCV icon
1595
iShares Morningstar Small-Cap Value ETF
ISCV
$706M
$11K ﹤0.01%
306
– –
PGJ icon
1596
Invesco Golden Dragon China ETF
PGJ
$95.1M
$11K ﹤0.01%
200
– –
CYB
1597
DELISTED
WisdomTree Chinese Yuan Strategy Fund
CYB
$11K ﹤0.01%
400
– –
EBND icon
1598
State Street SPDR Bloomberg Emerging Markets Local Bond ETF
EBND
$2.27B
$10K ﹤0.01%
+370
New +$9.82K
MXI icon
1599
iShares Global Materials ETF
MXI
$361M
$10K ﹤0.01%
148
– –
RSPU icon
1600
Invesco S&P 500 Equal Weight Utilities ETF
RSPU
$534M
$10K ﹤0.01%
220
-390
-64% -$18.5K
62 63
64
65 66

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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.