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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
+14.53%
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
$1.25B
AUM Growth
+$275M
Cap. Flow
+$135M
Cap. Flow %
10.83%
Top 10 Hldgs %
37.19%
Holding
114
New
23
Increased
47
Reduced
22
Closed
8

Top Buys

Rank Stock Value
1
COST icon
Costco
COST
+$25.4M
2
AVGO icon
Broadcom
AVGO
+$21M
3
XOM icon
ExxonMobil
XOM
+$20.2M
4
INTU icon
Intuit
INTU
+$20.1M
5
PH icon
Parker-Hannifin
PH
+$19.4M

Top Sells

Rank Stock Value
1
UL icon
Unilever
UL
+$21.2M
2
TSCO icon
Tractor Supply
TSCO
+$21M
3
AON icon
Aon
AON
+$20.8M
4
ON icon
ON Semiconductor
ON
+$20.4M
5
ELV icon
Elevance Health
ELV
+$12.1M

Sector Composition

Rank Sector Weight
1 Technology 31.02%
2 Financials 13.65%
3 Healthcare 10.45%
4 Consumer Staples 8.86%
5 Consumer Discretionary 8.3%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AAPL icon
1
Apple
AAPL
$4.9T
$64.8M 5.2%
336,348
+5,571
+2% +$1.03M
IWM icon
2
iShares Russell 2000 ETF
IWM
$80.2B
$55.3M 4.44%
275,590
+96,587
+54% +$17.3M
PG icon
3
Procter & Gamble
PG
$335B
$48.9M 3.93%
333,608
+16,677
+5% +$2.47M
NVO
4
Novo Nordisk
NVO
$228B
$48.3M 3.88%
466,846
-8,516
-2% -$842K
MCK icon
5
McKesson
MCK
$101B
$46.6M 3.74%
100,560
-1,079
-1% -$491K
MSFT icon
6
Microsoft
MSFT
$3.35T
$44.7M 3.59%
118,834
+2,230
+2% +$794K
AMZN icon
7
Amazon
AMZN
$2.53T
$42.4M 3.41%
279,341
+97,919
+54% +$13.7M
V icon
8
Visa
V
$673B
$39.5M 3.17%
151,597
+25,414
+20% +$6.26M
NVDA icon
9
NVIDIA
NVDA
$4.72T
$37.2M 2.98%
750,600
+241,190
+47% +$11.2M
GOOGL icon
10
Alphabet (Google) Class A
GOOGL
$4.08T
$35.5M 2.85%
254,327
+5,772
+2% +$776K
COST icon
11
Costco
COST
$423B
$34.2M 2.75%
50,706
+42,835
+544% +$25.4M
BRK.B icon
12
Berkshire Hathaway Class B
BRK.B
$1.1T
$33.8M 2.71%
94,780
+30,159
+47% +$10.6M
AMD icon
13
Advanced Micro Devices
AMD
$791B
$32.3M 2.59%
219,210
-675
-0.3% -$79.6K
META icon
14
Meta Platforms (Facebook)
META
$1.37T
$32M 2.57%
90,452
+20,280
+29% +$6.6M
JPM icon
15
JPMorgan Chase
JPM
$933B
$30.6M 2.46%
179,855
+29,974
+20% +$4.54M
PANW icon
16
Palo Alto Networks
PANW
$265B
$27.6M 2.22%
187,242
+1,136
+0.6% +$152K
CRM icon
17
Salesforce
CRM
$148B
$26.8M 2.15%
101,820
+1,282
+1% +$290K
ASML icon
18
ASML
ASML
$634B
$26.4M 2.12%
34,876
+19,070
+121% +$12.6M
BKNG icon
19
Booking.com
BKNG
$150B
$26.1M 2.09%
183,675
+3,150
+2% +$393K
ADBE icon
20
Adobe
ADBE
$98.5B
$26M 2.09%
43,662
+565
+1% +$326K
TMUS icon
21
T-Mobile US
TMUS
$186B
$25.9M 2.08%
161,844
-343
-0.2% -$50.7K
IR icon
22
Ingersoll Rand
IR
$33B
$25.9M 2.08%
335,209
+169,565
+102% +$11.6M
AVGO icon
23
Broadcom
AVGO
$1.85T
$25.7M 2.06%
230,140
+221,960
+2,713% +$21M
SCHW
24
Charles Schwab
SCHW
$181B
$25.5M 2.05%
370,913
+1,925
+0.5% +$111K
CAT icon
25
Caterpillar
CAT
$373B
$25.5M 2.05%
86,303
+1,464
+2% +$380K
1
2 3 4 5

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GS
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BCM
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EF
Empirical Finance Havertown, Pennsylvania $2.13B AUM 29.56% 1-Year Est. Return
IVAV
Index Venture Associates VI St. Helier, Channel Islands, Jersey $2.11B AUM 13.76% 1-Year Est. Return
HJGA
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CF
Centaurus Financial Anaheim, California $2.1B AUM 21.28% 1-Year Est. Return
BWC
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SFS
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Main Street Research's Q4 2023 Portfolio in Review

As of Q4 2023, Main Street Research held 114 positions worth $1.25B, up 28% from $971M the previous quarter. Its ten largest holdings account for 37% of the portfolio.

Main Street Research deployed $135M of net new capital in Q4 2023, opening 23 new positions and adding to 47 existing holdings. Its largest new stake was Intuit: 36,467 shares worth $22.8M.

By sector, the portfolio is most concentrated in Technology at 31% of assets, up from 29% a quarter earlier, followed by Financials and Healthcare.

On the sell side, the largest reduction was Aon, an estimated $20.8M trimmed.

  • Main Street Research's largest Q4 2023 buy was Intuit: 36,467 shares worth $22.8M.
  • Main Street Research added most to Costco in Q4 2023, an estimated $25.4M increase.
  • Main Street Research's biggest Q4 2023 reduction was Aon, cutting an estimated $20.8M.
  • Main Street Research fully exited Unilever in Q4 2023, selling an estimated $21.2M.
  • Main Street Research's ten largest holdings make up 37% of its $1.25B portfolio in Q4 2023.
  • Main Street Research opened 23 new positions and closed 8 in Q4 2023.
  • Main Street Research's portfolio value rose 28% quarter-over-quarter to $1.25B.

Based on Main Street Research's 13F filing for Q4 2023, filed 30 Jan 2024.