Equal-WT
WhaleScore 2.0
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Main Street Research is based out of Lakeville. Main Street Research is a large advisory firm with 955 clients and discretionary assets under management (AUM) of $2,384,657,948 (Form ADV from 2025-03-25). Their last reported 13F filing for Q1 2025 included $1,530,416,622 in managed 13F securities
and a top 10 holdings concentration of 41.01%. Main Street Research's largest holding is Apple Inc with shares held of 373,561. Whalewisdom has at least 63 13F filings
Business Description
MSR provides advisory services to individuals, trusts, estates, charitable organizations, foundations, pension and profit-sharing plans, corporations, and other business entities. They have established minimum account requirements based on the services provided. MSR uses various methods of analysis in formulating investment advice and managing client assets.
MSR discloses material conflicts of interest, collects client background information, reviews client accounts for suitability, implements policies for fair allocation of investment opportunities, and compares account performance to identify disparities. The firm and its management have no reportable disciplinary events and are not engaged in other financial industry activities. MSR may pay referral fees to independent professionals and firms (Solicitors) who introduce clients to MSR, ensuring that prospective clients receive necessary disclosures.
Investment Strategy
MSR uses both fundamental and technical analysis to develop investment ideas internally through its Investment Committee. The Committee analyzes economic conditions, demographic and macro trends, global market conditions, and specific investment ideas and opportunities in all asset sectors. These discussions lead to target asset allocation guidelines for all asset sectors, which are strategically altered over the course of market and business cycles.
MSR provides continuous advice regarding the investment of client funds tailored to the specific needs of each client. They create and manage portfolios based on a client’s goals and objectives, determined through the investment policy statement and financial planning process. During data gathering, they determine the client’s individual objectives, time horizons, risk tolerance, and liquidity needs, and may review a client’s prior investment history, family composition, and background. They also identify an appropriate asset allocation suitable to the client’s investment goals and risk tolerance.
Known Email Addresses
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Other Contact Information
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2025-03-31
Top Buys (13F)
| Name | % Change |
|---|---|
| NFLX Netflix Inc | 2.52% |
| BSX Boston Scientific Co | 2.41% |
| SAP Sap SE | 2.1% |
| CSCO Cisco Systems, Inc | 2.1% |
| FTNT Fortinet Inc | 2.01% |
2025-03-31
Top Sells (13F)
| Name | % Change |
|---|---|
| IWM iShares Russell 2000 | 3.89% |
| IR Ingersoll-Rand Inc | 2.06% |
| RF Regions Financial Co | 2.06% |
| CB Chubb Limited | 2.05% |
| NVDA NVIDIA Corp | 2.01% |
2025-03-31
13F Holdings Summary
| Name | $ Change |
|---|---|
| AAPL Apple Inc | 5.42% |
| PLTR Palantir Technologie | 4.99% |
| PG Procter & Gamble Co. | 4.42% |
| V VISA Inc | 3.92% |
| AMZN Amazon.com Inc | 3.88% |
2025-03-31
13F Activity
| Market Value | $1.53b, Prior: $1.60b |
| Inflows (Outflows) as % of Total MV | (-0.8813)% |
| New Purchases | 14 stocks |
| Added To | 40 stocks |
| Sold out of | 23 stocks |
| Reduced holdings in | 38 stocks |
| Top 10 Holdings % | 41.01% |
| Turnover %[1] | 29.84% |
| Turnover Alt %[2] | 18.42% |
| Time Held Top 20 | 8.95 quarters |
| Time Held Top 10 | 6.5 quarters |
| Time Held All | 22.8 quarters |
[1]: Turnover is calculated by taking the # of new holdings (initial purchases) + the # of positions sold out of (not just reduced) divided by the total # of holdings for the quarter.
[2]: Alt Turnover is calculated by taking either the total MV of new purchases or the MV of securities sold, whichever is less, divided by the total MV of the fund.
2025-03-31
13F Sector Allocation Over Time
limited to past 4 quarters. Subscribe to see all available data
2025-03-31
Analysis
Top 20 equal-weighted holdings. Performance numbers calculated through 2025-03-31