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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
+21.77%
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
$1.61B
AUM Growth
+$76.1M
(+5%)
Cap. Flow
-$156M
Cap. Flow
% of AUM
-9.71%
Top 10 Holdings %
Top 10 Hldgs %
39.62%
Holding
128
New
27
Increased
27
Reduced
51
Closed
13
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Uber
UBER
|
+$37M |
| 2 |
Spotify
SPOT
|
+$32M |
| 3 |
Robinhood
HOOD
|
+$31.8M |
| 4 |
Walmart Inc
WMT
|
+$30.8M |
| 5 |
Trane Technologies
TT
|
+$30.1M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Palantir
PLTR
|
+$52.1M |
| 2 |
Oracle
ORCL
|
+$34.9M |
| 3 |
Parker-Hannifin
PH
|
+$33.4M |
| 4 |
Caterpillar
CAT
|
+$32.2M |
| 5 |
Cisco
CSCO
|
+$31.9M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 31.33% |
| 2 | Financials | 17.36% |
| 3 | Communication Services | 15.08% |
| 4 | Consumer Staples | 10.12% |
| 5 | Consumer Discretionary | 9.54% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
101
DraftKings
DKNG
$12.2B
| $279K | 0.02% |
+6,500
| New | +$233K |
|
102
Mastercard
MA
$502B
| $268K | 0.02% |
477
-203
| -30% | -$112K |
|
103
Schwab US Large- Cap ETF
SCHX
$73.3B
| $266K | 0.02% |
+10,898
| New | +$246K |
|
104
Coca-Cola
KO
$382B
| $256K | 0.02% |
3,597
-1,151
| -24% | -$82K |
|
105
Cheniere Energy
LNG
$56B
| $245K | 0.02% |
1,008
| – | – |
|
106
Delta Air Lines
DAL
$51.9B
| $239K | 0.01% |
+4,860
| New | +$223K |
|
107
Shopify
SHOP
$167B
| $231K | 0.01% |
+2,000
| New | +$200K |
|
108
ServiceNow
NOW
$147B
| $222K | 0.01% |
1,080
-83,905
| -99% | -$15.8M |
|
109
Aon
AON
$64.6B
| $221K | 0.01% |
620
-2
| -0.3% | -$725 |
|
110
iShares Dow Jones US ETF
IYY
$3B
| $218K | 0.01% |
+1,446
| New | +$201K |
|
111
iShares Expanded Tech Sector ETF
IGM
$10.5B
| $217K | 0.01% |
+1,932
| New | +$190K |
|
112
Capital One
COF
$127B
| $216K | 0.01% |
+1,016
| New | +$190K |
|
113
Schwab International Equity ETF
SCHF
$68.4B
| $212K | 0.01% |
+9,606
| New | +$200K |
|
114
SPDR Gold Trust
GLD
$145B
| $210K | 0.01% |
+689
| New | +$209K |
|
115
Schwab Fundamental US Large Company Index ETF
FNDX
$27.7B
| $210K | 0.01% |
+8,541
| New | +$199K |
|
116
AstraZeneca
AZN
$251B
| – | – |
-101,256
| Closed | -$14.9M |
|
117
Blackstone
BX
$95.1B
| – | – |
-1,682
| Closed | -$235K |
|
118
CRH
CRH
$58.3B
| – | – |
-153,597
| Closed | -$13.5M |
|
119
Fortinet
FTNT
$126B
| – | – |
-318,947
| Closed | -$30.7M |
|
120
Goldman Sachs
GS
$284B
| – | – |
-25,624
| Closed | -$14M |
|
121
iShares Bitcoin Trust
IBIT
$59.8B
| – | – |
-280,632
| Closed | -$13.1M |
|
122
Janus Henderson AAA CLO ETF
JAAA
$30.9B
| – | – |
-4,034
| Closed | -$205K |
|
123
Local Bounti
LOCL
$28.5M
| – | – |
-46,394
| Closed | -$95.6K |
|
124
Morgan Stanley
MS
$324B
| – | – |
-134,444
| Closed | -$15.7M |
|
|
NVO
125
Novo Nordisk
NVO
$188B
| – | – |
-11,338
| Closed | -$800K |
|
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Main Street Research's Q2 2025 Portfolio in Review
As of Q2 2025, Main Street Research held 128 positions worth $1.61B, up 5% from $1.53B the previous quarter. Its ten largest holdings account for 40% of the portfolio.
Main Street Research withdrew a net $156M in Q2 2025, closing 13 positions and reducing 51 holdings. Its most notable exit was Parker-Hannifin, an estimated $33.4M position sold in full.
By sector, the portfolio is most concentrated in Technology at 31% of assets, down from 32% a quarter earlier, followed by Financials and Communication Services.
Against the trend, Main Street Research opened a new position in Uber worth $41.9M.
- Main Street Research's largest Q2 2025 buy was Uber: 449,335 shares worth $41.9M.
- Main Street Research added most to Walmart Inc in Q2 2025, an estimated $30.8M increase.
- Main Street Research's biggest Q2 2025 reduction was Palantir, cutting an estimated $52.1M.
- Main Street Research fully exited Parker-Hannifin in Q2 2025, selling an estimated $33.4M.
- Main Street Research's ten largest holdings make up 40% of its $1.61B portfolio in Q2 2025.
- Main Street Research opened 27 new positions and closed 13 in Q2 2025.
- Main Street Research's portfolio value rose 5% quarter-over-quarter to $1.61B.
Based on Main Street Research's 13F filing for Q2 2025, filed 5 Aug 2025.