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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
BRK.A icon
151
Berkshire Hathaway Class A
BRK.A
$1.09T
$30.7M 0.13%
96
+3
+3% +$921K
GWW icon
152
W.W. Grainger
GWW
$61.5B
$30.2M 0.13%
84,714
+1,370
+2% +$472K
CVX icon
153
Chevron
CVX
$386B
$29.8M 0.13%
413,852
-96,652
-19% -$8.13M
T icon
154
AT&T
T
$166B
$29.7M 0.13%
1,380,323
+107,274
+8% +$2.4M
CCI icon
155
Crown Castle
CCI
$31.5B
$29.7M 0.13%
178,473
-1,949
-1% -$322K
HON icon
156
Honeywell
HON
$74.6B
$29.7M 0.13%
191,268
+11,882
+7% +$1.77M
PCTY icon
157
Paylocity
PCTY
$7.73B
$29.6M 0.13%
183,083
-8,455
-4% -$1.19M
TIP icon
158
iShares TIPS Bond ETF
TIP
$14.7B
$29.3M 0.12%
231,698
+57,640
+33% +$7.24M
SHOP icon
159
Shopify
SHOP
$194B
$29.2M 0.12%
285,070
-10,820
-4% -$1.08M
CSCO icon
160
Cisco
CSCO
$488B
$29M 0.12%
735,845
-281,102
-28% -$12.3M
CL icon
161
Colgate-Palmolive
CL
$73.6B
$28.8M 0.12%
373,215
+2,482
+0.7% +$189K
EVH icon
162
Evolent Health
EVH
$471M
$28.6M 0.12%
2,304,407
-220,749
-9% -$2.6M
COLD icon
163
Americold
COLD
$4.17B
$27.7M 0.12%
774,459
+8,838
+1% +$334K
BL icon
164
BlackLine
BL
$1.65B
$27.6M 0.12%
307,842
+1,828
+0.6% +$153K
BKNG icon
165
Booking.com
BKNG
$159B
$27M 0.11%
394,900
-89,650
-19% -$6.3M
AMGN icon
166
Amgen
AMGN
$225B
$26.2M 0.11%
103,005
-8,580
-8% -$2.13M
VOO icon
167
Vanguard S&P 500 ETF
VOO
$1.03T
$26M 0.11%
84,423
+12,507
+17% +$3.81M
FIS icon
168
Fidelity National Information Services
FIS
$21.6B
$25.3M 0.11%
171,977
+999
+0.6% +$144K
AZN icon
169
AstraZeneca
AZN
$246B
$25.3M 0.11%
230,730
+12,140
+6% +$1.35M
IUSV icon
170
iShares Core S&P US Value ETF
IUSV
$27.8B
$25.1M 0.11%
463,037
-1,076
-0.2% -$58.8K
CME icon
171
CME Group
CME
$94.3B
$24.8M 0.11%
148,164
-6,300
-4% -$1.06M
ANET icon
172
Arista Networks
ANET
$265B
$24.5M 0.1%
1,890,912
-2,287,424
-55% -$31.4M
CMCSA icon
173
Comcast
CMCSA
$90.4B
$24.3M 0.1%
524,540
+72,560
+16% +$3.15M
IWD icon
174
iShares Russell 1000 Value ETF
IWD
$84B
$24.2M 0.1%
205,029
-19,413
-9% -$2.3M
NEE icon
175
NextEra Energy
NEE
$179B
$24.2M 0.1%
348,444
+115,388
+50% +$7.97M

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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.