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MAIN STREET RESEARCH LLC

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LAKEVILLE CT Investment Advisor
13F Summary

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Equal-WT
WhaleScore 2.0 ?

85

S&P 500
WhaleScore ?

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Equal-WT
WhaleScore 1.0 ?

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.
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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)

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

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2025-03-31

Analysis

Top 20 equal-weighted holdings. Performance numbers calculated through 2025-03-31

Portfolio Performance