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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
-0.43%
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
$1.53B
AUM Growth
-$74.6M
Cap. Flow
-$20.6M
Cap. Flow %
-1.34%
Top 10 Hldgs %
41.01%
Holding
124
New
14
Increased
40
Reduced
38
Closed
23

Top Buys

Rank Stock Value
1
NFLX icon
Netflix
NFLX
+$39.3M
2
BSX icon
Boston Scientific
BSX
+$36.8M
3
SAP icon
SAP
SAP
+$32.6M
4
FTNT icon
Fortinet
FTNT
+$32.3M
5
CSCO icon
Cisco
CSCO
+$32M

Top Sells

Rank Stock Value
1
IWM icon
iShares Russell 2000 ETF
IWM
+$62.4M
2
IR icon
Ingersoll Rand
IR
+$33.1M
3
RF icon
Regions Financial
RF
+$33M
4
CB icon
Chubb
CB
+$32.9M
5
ANET icon
Arista Networks
ANET
+$31.6M

Sector Composition

Rank Sector Weight
1 Technology 31.91%
2 Financials 16.11%
3 Communication Services 12.72%
4 Healthcare 9.8%
5 Consumer Discretionary 9%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CRM icon
51
Salesforce
CRM
$153B
$1.8M 0.12%
6,718
-562
-8% -$175K
CLX icon
52
Clorox
CLX
$12.8B
$1.37M 0.09%
9,328
– –
WFC icon
53
Wells Fargo
WFC
$265B
$1.36M 0.09%
18,882
-1,893
-9% -$142K
SPY icon
54
State Street SPDR S&P 500 ETF Trust
SPY
$818B
$1.22M 0.08%
2,172
-159
-7% -$93.5K
MMM icon
55
3M
MMM
$93.2B
$1.2M 0.08%
8,146
+70
+0.9% +$10.3K
WMT icon
56
Walmart Inc
WMT
$892B
$1.13M 0.07%
12,843
-2,203
-15% -$207K
BMY icon
57
Bristol-Myers Squibb
BMY
$131B
$991K 0.06%
16,250
+993
+7% +$57.9K
ACN icon
58
Accenture
ACN
$105B
$873K 0.06%
2,798
-80
-3% -$28.3K
MRK icon
59
Merck
MRK
$317B
$836K 0.05%
9,230
-437
-5% -$40.8K
ISTB icon
60
iShares Core 1-5 Year USD Bond ETF
ISTB
$5.12B
$835K 0.05%
+17,280
New +$830K
ADP icon
61
Automatic Data Processing
ADP
$109B
$832K 0.05%
2,708
-719
-21% -$217K
NVO
62
Novo Nordisk
NVO
$203B
$800K 0.05%
11,338
-74,465
-87% -$6.15M
SYK icon
63
Stryker
SYK
$129B
$728K 0.05%
1,952
-94
-5% -$35.8K
IVV icon
64
iShares Core S&P 500 ETF
IVV
$897B
$708K 0.05%
1,260
-106
-8% -$62.6K
CL icon
65
Colgate-Palmolive
CL
$74.1B
$628K 0.04%
6,699
-140
-2% -$12.5K
TMO icon
66
Thermo Fisher Scientific
TMO
$214B
$625K 0.04%
1,254
-400
-24% -$217K
BAC icon
67
Bank of America
BAC
$441B
$621K 0.04%
14,874
+819
+6% +$36.5K
RTX icon
68
RTX Corp
RTX
$301B
$587K 0.04%
4,433
-107
-2% -$13.6K
VTI icon
69
Vanguard Morningstar Total Stock Market ETF
VTI
$680B
$549K 0.04%
1,998
-803
-29% -$233K
ABT icon
70
Abbott
ABT
$187B
$468K 0.03%
3,526
-331
-9% -$42.1K
HD icon
71
Home Depot
HD
$349B
$460K 0.03%
1,254
-91
-7% -$35.5K
TRMB icon
72
Trimble
TRMB
$13.6B
$460K 0.03%
+7,000
New +$503K
T icon
73
AT&T
T
$162B
$444K 0.03%
15,693
+3,349
+27% +$84.2K
SJM icon
74
J.M. Smucker
SJM
$12.7B
$419K 0.03%
3,539
– –
NTES icon
75
NetEase
NTES
$83.5B
$412K 0.03%
4,000
– –
1 2
3
4 5

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BCM
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EF
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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
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BWC
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SFS
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AAP
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Main Street Research's Q1 2025 Portfolio in Review

As of Q1 2025, Main Street Research held 124 positions worth $1.53B, down 4.6% from $1.6B the previous quarter. Its ten largest holdings account for 41% of the portfolio.

Main Street Research's Q1 2025 filing shows 14 new, 40 increased, 38 reduced and 23 closed positions. Its largest new stake was SAP: 119,768 shares worth $32.2M. The largest sale was iShares Russell 2000 ETF, an estimated $62.4M.

By sector, the portfolio is most concentrated in Technology at 32% of assets, down from 34% a quarter earlier, followed by Financials and Communication Services.

  • Main Street Research's largest Q1 2025 buy was SAP: 119,768 shares worth $32.2M.
  • Main Street Research added most to Netflix in Q1 2025, an estimated $39.3M increase.
  • Main Street Research's biggest Q1 2025 reduction was NVIDIA, cutting an estimated $21.7M.
  • Main Street Research fully exited iShares Russell 2000 ETF in Q1 2025, selling an estimated $62.4M.
  • Main Street Research's ten largest holdings make up 41% of its $1.53B portfolio in Q1 2025.
  • Main Street Research opened 14 new positions and closed 23 in Q1 2025.
  • Main Street Research's portfolio value fell 4.6% quarter-over-quarter to $1.53B.

Based on Main Street Research's 13F filing for Q1 2025, filed 30 Apr 2025.