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MSR

Main Street Research Portfolio holdings

AUM $2.12B
1-Year Est. Return 67.44%
This Fund
S&P 500
This Quarter Est. Return
-1.67%
1 Year Est. Return
+67.44%
3 Year Est. Return
+232.37%
5 Year Est. Return
+381.46%
10 Year Est. Return
+1,630.85%
AUM
$971M
AUM Growth
+$343M
Cap. Flow
+$370M
Cap. Flow %
38.1%
Top 10 Hldgs %
37.84%
Holding
101
New
8
Increased
36
Reduced
26
Closed
10

Top Buys

Rank Stock Value
1
IWM icon
iShares Russell 2000 ETF
IWM
+$33.6M
2
LIN icon
Linde
LIN
+$22.4M
3
ADBE icon
Adobe
ADBE
+$21.9M
4
CRM icon
Salesforce
CRM
+$21.7M
5
PANW icon
Palo Alto Networks
PANW
+$21.6M

Top Sells

Rank Stock Value
1
ELV icon
Elevance Health
ELV
+$14.1M
2
ENB icon
Enbridge
ENB
+$10.4M
3
AEP icon
American Electric Power
AEP
+$10.4M
4
GD icon
General Dynamics
GD
+$1.35M
5
MCK icon
McKesson
MCK
+$1.07M

Sector Composition

Rank Sector Weight
1 Technology 28.74%
2 Financials 14.5%
3 Healthcare 13.44%
4 Consumer Staples 10.19%
5 Consumer Discretionary 9.98%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AAPL icon
1
Apple
AAPL
$4.9T
$56.6M 5.83%
330,777
+60,400
+22% +$11.1M
PG icon
2
Procter & Gamble
PG
$335B
$46.2M 4.76%
316,931
-3,598
-1% -$550K
MCK icon
3
McKesson
MCK
$101B
$44.3M 4.56%
101,639
-2,531
-2% -$1.07M
NVO
4
Novo Nordisk
NVO
$228B
$43.2M 4.45%
475,362
-8,906
-2% -$785K
MSFT icon
5
Microsoft
MSFT
$3.35T
$36.8M 3.79%
116,604
+55,490
+91% +$18.3M
GOOGL icon
6
Alphabet (Google) Class A
GOOGL
$4.08T
$32.5M 3.35%
248,555
+129,844
+109% +$16.8M
IWM icon
7
iShares Russell 2000 ETF
IWM
$80.2B
$31.8M 3.27%
+179,003
New +$33.6M
V icon
8
Visa
V
$673B
$29M 2.99%
126,183
-1,244
-1% -$299K
KO icon
9
Coca-Cola
KO
$381B
$23.6M 2.43%
418,003
-371
-0.1% -$22.3K
CAT icon
10
Caterpillar
CAT
$373B
$23.2M 2.39%
84,839
+31,883
+60% +$8.65M
AMZN icon
11
Amazon
AMZN
$2.53T
$23.1M 2.38%
181,422
+55,256
+44% +$7.4M
TMUS icon
12
T-Mobile US
TMUS
$186B
$22.7M 2.34%
162,187
+928
+0.6% +$129K
BRK.B icon
13
Berkshire Hathaway Class B
BRK.B
$1.1T
$22.6M 2.33%
64,621
+55,094
+578% +$19.5M
AMD icon
14
Advanced Micro Devices
AMD
$791B
$22.6M 2.33%
219,885
+90,937
+71% +$9.87M
BKNG icon
15
Booking.com
BKNG
$150B
$22.3M 2.29%
180,525
+60,450
+50% +$7.32M
NVDA icon
16
NVIDIA
NVDA
$4.72T
$22.2M 2.28%
509,410
+470,710
+1,216% +$21.1M
CB icon
17
Chubb
CB
$135B
$22.1M 2.28%
105,710
+52,030
+97% +$10.5M
ADBE icon
18
Adobe
ADBE
$98.5B
$22M 2.26%
43,097
+41,692
+2,967% +$21.9M
LIN icon
19
Linde
LIN
$235B
$21.9M 2.25%
+58,732
New +$22.4M
PANW icon
20
Palo Alto Networks
PANW
$265B
$21.8M 2.25%
186,106
+182,666
+5,310% +$21.6M
JPM icon
21
JPMorgan Chase
JPM
$933B
$21.7M 2.24%
149,881
+66,334
+79% +$9.94M
AON icon
22
Aon
AON
$78.3B
$21.4M 2.21%
66,135
+30,257
+84% +$10M
UL icon
23
Unilever
UL
$141B
$21.2M 2.19%
382,283
-8,137
-2% -$470K
META icon
24
Meta Platforms (Facebook)
META
$1.37T
$21.1M 2.17%
70,172
+69,355
+8,489% +$20.9M
TSCO icon
25
Tractor Supply
TSCO
$15.8B
$21M 2.17%
517,535
+250,625
+94% +$10.9M
1
2 3 4 5

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Main Street Research's Q3 2023 Portfolio in Review

As of Q3 2023, Main Street Research held 101 positions worth $971M, up 55% from $627M the previous quarter. Its ten largest holdings account for 38% of the portfolio.

Main Street Research deployed $370M of net new capital in Q3 2023, opening 8 new positions and adding to 36 existing holdings. Its largest new stake was iShares Russell 2000 ETF: 179,003 shares worth $31.8M.

By sector, the portfolio is most concentrated in Technology at 29% of assets, up from 20% a quarter earlier, followed by Financials and Healthcare.

On the sell side, the largest reduction was Elevance Health, an estimated $14.1M trimmed.

  • Main Street Research's largest Q3 2023 buy was iShares Russell 2000 ETF: 179,003 shares worth $31.8M.
  • Main Street Research added most to Adobe in Q3 2023, an estimated $21.9M increase.
  • Main Street Research's biggest Q3 2023 reduction was Elevance Health, cutting an estimated $14.1M.
  • Main Street Research fully exited Enbridge in Q3 2023, selling an estimated $10.4M.
  • Main Street Research's ten largest holdings make up 38% of its $971M portfolio in Q3 2023.
  • Main Street Research opened 8 new positions and closed 10 in Q3 2023.
  • Main Street Research's portfolio value rose 55% quarter-over-quarter to $971M.

Based on Main Street Research's 13F filing for Q3 2023, filed 3 Nov 2023.