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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
ADI icon
526
Analog Devices
ADI
$188B
$2.64M 0.01%
22,649
-94
-0.4% -$11K
EFAV icon
527
iShares MSCI EAFE Min Vol Factor ETF
EFAV
$5.46B
$2.59M 0.01%
38,067
+5,258
+16% +$358K
VBR icon
528
Vanguard Morningstar Small-Cap Value ETF
VBR
$38.2B
$2.59M 0.01%
23,437
-61
-0.3% -$6.84K
HACK icon
529
Amplify Cybersecurity ETF
HACK
$3.02B
$2.58M 0.01%
55,528
-1,145
-2% -$54.1K
BLBD icon
530
Blue Bird Corp
BLBD
$2.07B
$2.57M 0.01%
211,399
-57,065
-21% -$714K
DLTH icon
531
Duluth Holdings
DLTH
$153M
$2.56M 0.01%
209,538
-33,000
-14% -$306K
RSG icon
532
Republic Services
RSG
$66B
$2.56M 0.01%
27,439
-2,473
-8% -$221K
ED icon
533
Consolidated Edison
ED
$40B
$2.54M 0.01%
32,618
+336
+1% +$24.8K
XEL icon
534
Xcel Energy
XEL
$49.4B
$2.54M 0.01%
36,763
-206
-0.6% -$14.1K
YUMC icon
535
Yum China
YUMC
$16.2B
$2.52M 0.01%
47,611
-1,304
-3% -$69K
EPAY
536
DELISTED
Bottomline Technologies Inc
EPAY
$2.51M 0.01%
59,437
-69,991
-54% -$3.32M
HEEM icon
537
iShares Currency Hedged MSCI Emerging Markets
HEEM
$294M
$2.5M 0.01%
92,374
+17,505
+23% +$473K
TFC icon
538
Truist Financial
TFC
$64.7B
$2.5M 0.01%
65,738
+32,406
+97% +$1.22M
WAB icon
539
Wabtec
WAB
$49.9B
$2.46M 0.01%
39,770
+57
+0.1% +$3.66K
AMP icon
540
Ameriprise Financial
AMP
$49.9B
$2.44M 0.01%
15,858
+718
+5% +$111K
MTCH icon
541
Match Group
MTCH
$8.41B
$2.43M 0.01%
+21,993
New +$2.33M
CMI icon
542
Cummins
CMI
$87.6B
$2.43M 0.01%
11,510
+26
+0.2% +$5.18K
IZRL icon
543
ARK Israel Innovative Technology ETF
IZRL
$140M
$2.42M 0.01%
96,490
– –
DKNG icon
544
DraftKings
DKNG
$12.5B
$2.41M 0.01%
40,958
+31,648
+340% +$1.23M
SPLV icon
545
Invesco S&P 500 Low Volatility ETF
SPLV
$7.21B
$2.38M 0.01%
44,353
+9,943
+29% +$528K
HZNP
546
DELISTED
Horizon Therapeutics Public Limited Company Ordinary Shares
HZNP
$2.37M 0.01%
30,525
-5,617
-16% -$386K
YUM icon
547
Yum! Brands
YUM
$41.4B
$2.34M 0.01%
25,632
-1,085
-4% -$100K
LGND icon
548
Ligand Pharmaceuticals
LGND
$5.73B
$2.32M 0.01%
39,076
+4,640
+13% +$317K
PFF icon
549
iShares Preferred and Income Securities ETF
PFF
$13.3B
$2.32M 0.01%
63,610
+2,141
+3% +$77K
INGR icon
550
Ingredion
INGR
$6.62B
$2.32M 0.01%
30,623
+3,862
+14% +$314K
20 21
22
23 24

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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.