MS
| |
Main Street Research LLC13F | |
| Main Street Research LLC | |
| Last update 2026-07-29 | 140 Stocks (13 new) |
| Value $2.12 Bil | Turnover 5 % |
Main Street Research LLC Top Holdings of 2026-06-30
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| Ticker | | Company | Shares | Value ($1000) | Shares Change % | Weighting % | Trade Impact % | % of Shares outstanding | 3M Change % | YTD Change % | Market Cap $Mil | Industry |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
NVDA | NVIDIA Corp | 630,053 | 126,067.3 | +1.49% | 5.950 | +0.09% | 0.000 | -4.38% | +20.88% | 5,453,600.4 | Semiconductors | |
MU | Micron Technology Inc | 108,636 | 125,397.4 | -0.43% | 5.920 | -0.01% | 0.010 | +25.23% | +240.64% | 1,097,386.1 | Semiconductors | |
AAPL | Apple Inc | 406,129 | 117,517.4 | +0.63% | 5.550 | +0.03% | 0.000 | +2.68% | +12.84% | 4,464,797.5 | Hardware | |
GOOGL | Alphabet Inc | 316,947 | 113,267.4 | +1.66% | 5.350 | +0.09% | 0.000 | -13.70% | +10.66% | 4,217,290.7 | Interactive Media | |
TSM |
Taiwan Semiconductor Manufacturing Co Ltd
Taiwan Semiconductor Manufacturing Co Ltd
| 228,429 | 109,090.8 | +2.36% | 5.150 | +0.12% | 0.000 | +2.30% | +41.01% | 2,211,251.5 | Semiconductors | |
GLW | Corning Inc | 394,058 | 100,654.2 | +1.64% | 4.750 | +0.08% | 0.050 | -20.18% | +90.22% | 142,981.8 | Hardware | |
XBI | State Street SPDR S&P Biotech ETF | 576,754 | 91,271.3 | +1.63% | 4.310 | +0.07% | 0.870 | +16.84% | +29.23% | 10,515.0 | ||
ISCF |
iShares International Small-Cap Equity Factor ETF
iShares International Small-Cap Equity Factor ETF
| 2,027,356 | 87,764.2 | +3.51% | 4.140 | +0.14% | 13.610 | +4.05% | +13.08% | 686.0 | ||
ASML | ASML Holding NV | 42,396 | 84,344.3 | +1.70% | 3.980 | +0.07% | 0.010 | +16.53% | +73.20% | 708,311.1 | Semiconductors | |
AVGO | Broadcom Inc | 213,841 | 80,778.4 | +0.68% | 3.810 | +0.03% | 0.000 | -10.50% | +13.97% | 1,869,681.4 | Semiconductors |
Main Street Research LLC's Historical Top Holdings Breakdowns
Main Street Research LLC's Top Stock Picks
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| Ticker | | Company | Date | Action | Impact % | Price Range | Price | Price Change from Avrg% | Comment | Current Shares | Share Change |
|---|---|---|---|---|---|---|---|---|---|---|---|
GLDM | SPDR Gold MiniShares Trust | 2026-06-30 | Sold Out Sold Out | -2.53% | 78.89 ($89.34) 96.04 | $86.58 | -3.09% | Sold Out | 0 | -469,451 | |
MCK | McKesson Corp | 2026-06-30 | Reduce Reduce | -1.98% | 725.17 ($793.99) 884.28 | $869.00 | 9.45% | Reduce -57.99% | 28,475 | -39,299 | |
ROST | Ross Stores Inc | 2026-06-30 | New Buy New Buy | +1.51% | 208.83 ($224.87) 240.13 | $245.36 | 9.11% | New holding | 150,755 | 150,755 | |
PLTR | Palantir Technologies Inc | 2026-06-30 | Reduce Reduce | -1.33% | 107.27 ($136.57) 160.65 | $174.04 | 27.44% | Reduce -93.17% | 11,444 | -156,203 | |
FTI | TechnipFMC PLC | 2026-06-30 | New Buy New Buy | +1.29% | 64.29 ($70.77) 76.99 | $78.61 | 11.08% | New holding | 413,657 | 413,657 | |
BCS | Barclays PLC | 2026-06-30 | Add Add | +0.98% | 21.16 ($24.07) 27.3 | $28.14 | 16.91% | Add 90.55% | 1,621,490 | 770,519 | |
IBIT | ISHARES BITCOIN TR | 2026-06-30 | Sold Out Sold Out | -0.44% | 33.29 ($40.64) 46.47 | $35.63 | -12.33% | Sold Out | 0 | -196,085 | |
ISCF |
iShares International Small-Cap Equity Factor ETF
iShares International Small-Cap Equity Factor ETF
| 2026-06-30 | Add Add | +0.14% | 41.79 ($44.18) 45.43 | $46.04 | 4.21% | Add 3.51% | 2,027,356 | 68,729 | |
MCD | McDonald's Corp | 2026-06-30 | Reduce Reduce | -0.12% | 264.54 ($287.13) 311.36 | $272.83 | -4.98% | Reduce -42.43% | 8,913 | -6,570 | |
TSM |
Taiwan Semiconductor Manufacturing Co Ltd
Taiwan Semiconductor Manufacturing Co Ltd
| 2026-06-30 | Add Add | +0.12% | 337.95 ($404.71) 477.57 | $426.35 | 5.35% | Add 2.36% | 228,429 | 5,270 |
Main Street Research LLC Total Holding History ($B)
Main Street Research LLC's Asset Allocation
Main Street Research LLC Past Portfolios
| Portfolio Date | Number of Stocks | New Stocks | Total Value ($Mil) | Q/Q Turnover |
|---|---|---|---|---|
Top Ranked Articles
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Main Street Research LLC's Hypothetical Growth since 2026-06-30
Main Street Research LLC's Yearly Returns
This information is only displayed for Gurus who publicly disclose audited performance records; most hedge funds and private investment firms do not publish such data or only provide limited historical performance information.
| Year | Portfolio % | % | Excess Gain % |
|---|
Main Street Research LLC's Holdings Heat Map
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Main Street Research LLC's Holdings Bubble Chart
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