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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
SPDW icon
576
State Street SPDR Portfolio Developed World ex-US ETF
SPDW
$42B
$2.03M 0.01%
69,225
+8,210
+13% +$240K
WWD icon
577
Woodward
WWD
$21.2B
$2.02M 0.01%
25,226
-251
-1% -$20.2K
SUB icon
578
iShares Short-Term National Muni Bond ETF
SUB
$11.4B
$2.01M 0.01%
18,615
+4,813
+35% +$520K
VOD icon
579
Vodafone
VOD
$37.3B
$2.01M 0.01%
149,906
+6,784
+5% +$102K
AOS icon
580
A.O. Smith
AOS
$8.43B
$2M 0.01%
37,893
+10,045
+36% +$502K
SLV icon
581
iShares Silver Trust
SLV
$31.4B
$2M 0.01%
92,456
+73,602
+390% +$1.67M
VV icon
582
Vanguard Morningstar Large-Cap ETF
VV
$54.7B
$2M 0.01%
12,775
+37
+0.3% +$5.71K
CHTR icon
583
Charter Communications
CHTR
$18.2B
$2M 0.01%
3,195
-365
-10% -$215K
CWB icon
584
State Street SPDR Bloomberg Convertible Securities ETF
CWB
$5.74B
$1.96M 0.01%
28,472
+21,795
+326% +$1.45M
AEM icon
585
Agnico Eagle Mines
AEM
$90.4B
$1.96M 0.01%
24,583
-3,461
-12% -$265K
LII icon
586
Lennox International
LII
$14.4B
$1.93M 0.01%
7,094
-318
-4% -$84.9K
MAIN icon
587
Main Street Capital
MAIN
$5.51B
$1.92M 0.01%
64,959
-6,345
-9% -$194K
PGX icon
588
Invesco Preferred ETF
PGX
$3.77B
$1.91M 0.01%
129,585
-31,079
-19% -$456K
BAND
589
Bandwidth Inc
BAND
$1.72B
$1.9M 0.01%
+10,881
New +$1.61M
EBAY icon
590
eBay
EBAY
$46B
$1.9M 0.01%
36,434
-988
-3% -$54.4K
TCF
591
DELISTED
TCF Financial Corporation Common Stock
TCF
$1.9M 0.01%
81,148
+35,540
+78% +$951K
CAKE icon
592
Cheesecake Factory
CAKE
$5.69B
$1.88M 0.01%
67,692
+6,444
+11% +$169K
IBN icon
593
ICICI Bank
IBN
$106B
$1.87M 0.01%
190,346
-12,923
-6% -$129K
CTSH icon
594
Cognizant
CTSH
$26.1B
$1.87M 0.01%
26,924
-3,610
-12% -$235K
GPC icon
595
Genuine Parts
GPC
$18.5B
$1.87M 0.01%
19,613
+9,588
+96% +$892K
SWK icon
596
Stanley Black & Decker
SWK
$15.4B
$1.87M 0.01%
11,502
+101
+0.9% +$15.7K
FXH icon
597
First Trust Health Care AlphaDEX Fund
FXH
$1.11B
$1.85M 0.01%
19,581
+5,734
+41% +$537K
SPYG icon
598
State Street SPDR Portfolio S&P 500 Growth ETF
SPYG
$55.5B
$1.85M 0.01%
36,999
+36,057
+3,828% +$1.77M
PSLV icon
599
Sprott Physical Silver Trust
PSLV
$13.4B
$1.85M 0.01%
223,455
+155,910
+231% +$1.36M
FBC
600
DELISTED
Flagstar Bancorp, Inc. New
FBC
$1.82M 0.01%
61,434
+34
+0.1% +$1.02K
22 23
24
25 26

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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.