Main Street Research LLC
CIK: 0001513211SEC EDGAR →
Portfolio Value
$1.7B
Holdings
129
As of
Q4 2025
New Positions
20
Closed Positions
6
Portfolio Value History
Top 10 Holdings
| Rank | Stock | Shares | Value | % of Portfolio |
|---|---|---|---|---|
| 1 | NVIDIA CORPORATION | 595,844 | $111.0M | 6.35% |
| 2 | ALPHABET INC | 297,544 | $93.0M | 5.32% |
| 3 | MICROSOFT CORP | 168,207 | $81.0M | 4.63% |
| 4 | ISHARES TR | 1,907,800 | $79.0M | 4.52% |
| 5 | APPLE INC | 290,937 | $79.0M | 4.52% |
| 6 | PALANTIR TECHNOLOGIES INC | 440,250 | $78.0M | 4.46% |
| 7 | BROADCOM INC | 205,395 | $71.0M | 4.06% |
| 8 | JPMORGAN CHASE & CO. | 221,919 | $71.0M | 4.06% |
| 9 | TAIWAN SEMICONDUCTOR MFG LTD | 218,147 | $66.0M | 3.78% |
| 10 | VISA INC | 174,088 | $61.0M | 3.49% |
Quarterly Changes
New Positions (17)
$43.0M · 361K shares
$34.0M · 371K shares
$34.0M · 355K shares
$0 · 2K shares
$0 · 9K shares
$0 · 3K shares
$0 · 2K shares
$0 · 2K shares
$0 · 30K shares
$0 · 16K shares
$0 · 2K shares
$0 · 508 shares
$0 · 5K shares
$0 · 2K shares
$0 · 817 shares
$0 · 292 shares
$0 · 950 shares
Closed Positions (17)
$37.0M · 16K shares
$35.2M · 50K shares
$28.9M · 217K shares
$5.1M · 35K shares
$566K · 2K shares
$391K · 798 shares
$352K · 4K shares
$263K · 411 shares
$258K · 4K shares
$243K · 7K shares
$239K · 4K shares
$237K · 1K shares
$212K · 362 shares
$204K · 2K shares
$202K · 1K shares
$182K · 142K shares
$64K · 10K shares
Sector Breakdown
| Sector | # Holdings | Value | % |
|---|---|---|---|
| Technology | 30 | $654.0M | 38.7% |
| Financial Services | 38 | $438.0M | 25.9% |
| Communication Services | 8 | $190.0M | 11.2% |
| Healthcare | 15 | $129.0M | 7.6% |
| Consumer Defensive | 7 | $111.0M | 6.6% |
| Consumer Cyclical | 7 | $89.0M | 5.3% |
| Industrials | 11 | $36.0M | 2.1% |
| Utilities | 2 | $32.0M | 1.9% |
| Unknown | 8 | $9.0M | 0.5% |
| Energy | 2 | $3.0M | 0.2% |
| Basic Materials | 1 | $0 | 0.0% |