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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
HDSN
1476
Hudson Technologies
HDSN
$236M
$53K ﹤0.01%
45,900
-300
-0.6% -$341
NGD
1477
DELISTED
New Gold Inc
NGD
$53K ﹤0.01%
31,300
+6,000
+24% +$9.64K
VRNT
1478
DELISTED
Verint Systems
VRNT
$53K ﹤0.01%
2,146
+2,126
+10,630% +$49.6K
WTV icon
1479
WisdomTree US Value Fund
WTV
$3.36B
$53K ﹤0.01%
1,288
– –
RESE
1480
DELISTED
WisdomTree Emerging Markets ESG Fund
RESE
$53K ﹤0.01%
1,716
+8
+0.5% +$244
AIVI icon
1481
WisdomTree International AI Enhanced Value Fund
AIVI
$63.1M
$52K ﹤0.01%
+1,450
New +$53.3K
SCHV
1482
Schwab US Large-Cap Value ETF
SCHV
$16.3B
$52K ﹤0.01%
3,015
+2,475
+458% +$43.3K
FBT icon
1483
First Trust NYSE Arca Biotechnology Index Fund
FBT
$2.81B
$51K ﹤0.01%
322
+272
+544% +$44.5K
FCG icon
1484
First Trust Natural Gas ETF
FCG
$645M
$51K ﹤0.01%
8,400
+400
+5% +$2.93K
AVDL
1485
DELISTED
Avadel Pharmaceuticals
AVDL
$50K ﹤0.01%
10,000
-2,500
-20% -$18.2K
EMBJ
1486
Embraer S.A. ADS
EMBJ
$13.2B
$49K ﹤0.01%
11,032
+497
+5% +$2.76K
SMOG icon
1487
VanEck Low Carbon Energy ETF
SMOG
$136M
$48K ﹤0.01%
433
– –
IEUR icon
1488
iShares Core MSCI Europe ETF
IEUR
$9.14B
$47K ﹤0.01%
1,056
-195
-16% -$8.84K
IMCG icon
1489
iShares Morningstar Mid-Cap Growth ETF
IMCG
$4.16B
$47K ﹤0.01%
882
– –
DIM icon
1490
WisdomTree International MidCap Dividend Fund
DIM
$169M
$45K ﹤0.01%
800
-200
-20% -$11.3K
DTH icon
1491
WisdomTree International High Dividend Fund
DTH
$659M
$45K ﹤0.01%
1,368
– –
EMAN
1492
DELISTED
eMagin Corporation
EMAN
$45K ﹤0.01%
35,100
+5,100
+17% +$6.08K
BRF icon
1493
VanEck Brazil Small-Cap ETF
BRF
$20.4M
$44K ﹤0.01%
2,625
– –
HYLS icon
1494
First Trust Exchange-Traded Fund IV First Trust Tactical High Yield ETF
HYLS
$1.64B
$43K ﹤0.01%
920
– –
IYG icon
1495
iShares US Financial Services ETF
IYG
$2.22B
$42K ﹤0.01%
+1,041
New +$42.9K
SLYV icon
1496
State Street SPDR S&P 600 Small Cap Value ETF
SLYV
$5.08B
$41K ﹤0.01%
824
+134
+19% +$6.88K
IPAY icon
1497
Amplify Mobile Payments ETF
IPAY
$181M
$40K ﹤0.01%
742
-1,300
-64% -$69.4K
CQQQ icon
1498
Invesco China Technology ETF
CQQQ
$3.24B
$39K ﹤0.01%
570
+70
+14% +$4.87K
TDTT icon
1499
FlexShares iBoxx 3-Year Target Duration TIPS Index Fund
TDTT
$2.53B
$39K ﹤0.01%
1,506
+839
+126% +$21.5K
IFGL icon
1500
iShares International Developed Real Estate ETF
IFGL
$82.2M
$38K ﹤0.01%
1,600
+677
+73% +$16.3K
58 59
60
61 62

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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.