Plectrum Advisers LLC
Data sourced from SEC public records (and other sources when available). Refreshed weekly • Updated today.
Client AUMClient assets under management
$72,238,279
Clients
75
Advisors
2
of 2 employees
About
Plectrum Advisers serves individuals (including high-net-worth clients), estates, trusts, and small businesses, providing financial planning, discretionary portfolio management, and educational seminars/workshops. The firm supports two client entry paths: a traditional advisor-managed program for experienced investors with a conventional account threshold and an app-based onboarding pathway that assigns model portfolios for newer investors with no account minimum.
The firm’s investment approach follows Modern Portfolio Theory, emphasizing diversified allocations built primarily from low-cost mutual funds and ETFs with select individual fixed-income holdings; accounts are reviewed at least quarterly and model portfolios are rebalanced periodically. Plectrum Advisers acts as a fiduciary for retirement accounts, generally implements strategies on a discretionary basis, and uses an institutional custody platform to execute and settle client trades.
Distinctive features for a firm of this size include a formal program of educational seminars and workshops—focused on asset allocation, compounding, risk assessment, and basic stock and bond investing—and the combination of a subscription-style, app-driven entry option alongside a conventional AUM-based advisory program. The advisory team is small (two advisors) managing roughly $72.5 million for about 75 clients, and the firm discloses that an investment adviser representative maintains a senior product role at a financial-technology company as a significant outside business activity.
Client services
Expertise
Fee options
Financial planning fixed fee ranges from $1,500 to $2,000 per contract.
1.00% per annum for Plectrum Direct program
Financial planning hourly fee is $350/hour.
Plectrum Accelerate charges a monthly subscription fee: first month free; $9.95/month for 12 months if assets under $5,000; $29.95/month thereafter.
Account minimum: $300,000 Fee-only: Financial planning fees range from $1,500 to $2,000 per contract (fixed fee); hourly financial planning fee of $350/hour.
Main office
Altadena CA
Advisors at this office
2
Most active in
California
Also doing business as
Plectrum Advisers LLC · Plectrum Advisers, LLC · Rizzo Jr, Thomas M
Disclosures
Exclamation point means they have disclosures of this type. Check mark means no disclosures of this type were found.
Business activities & affiliations
Is not active or affiliated with:
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Insurance agent
They sell insurance products and may earn commissions on those sales.
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Broker-dealer / trader
They provide brokerage services and may earn transaction-based compensation in addition to advisory fees.
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Bank
They're affiliated with a bank that may offer its own financial products and services.
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Trust company
They provide trust and estate administration services, typically for separate fees.
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Fund sponsor
They manage or sponsor investment funds and may earn management or performance-based fees if clients invest in them.
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Accountant / CPA / tax prep
They offer tax and accounting services, typically for separate fees.
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Lawyer
They provide legal services, typically billed separately.
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Real estate agent
They facilitate real estate transactions and may earn commissions.
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Other specialized services
They may provide services such as pension consulting or municipal advisory work, typically for separate fees.
Forms ADV
Quick links
Advisors at this firm
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