Windrose Advisors LLC

Windrose Advisors LLC is a fee-only investment adviser registered with the U.S. Securities and Exchange Commission, with its main office in Waltham, Massachusetts. On its latest Form ADV, filed October 7, 2026, it reports $2.7B in regulatory assets under management, 70 individual clients and 8 employees who give investment advice. It reports no commission compensation, is not registered as a broker-dealer and does not act as an insurance agent.

Key facts from Form ADV

Registration	SEC-registered
Firm CRD number	152145 · SEC file 801-70859
Office	Watermill Center 800 South Street, Suite 600 Waltham, MA 02453
Phone	(617) 421-1750
Website	windroseadvisor.com
Regulatory assets under management	$2.7B ($983M discretionary)
Individual clients	0 non-high-net-worth, 70 high-net-worth
Financial planning clients	51-100
How it charges	Percentage of assets
Services	Financial planning, Portfolio management, Selection of other advisers
Employees	23
Disciplinary disclosures	None reported
Latest Form ADV filing	October 7, 2026

Source: the firm’s Form ADV Part 1A as published by the SEC’s Investment Adviser Public Disclosure database, data as of November 6, 2026. Figures are self-reported by the firm.

What this means for you

• It charges only as a percentage of the assets it manages. Ask about the fee schedule and any account minimum, which Form ADV Part 1 does not record.
• Most of its individual clients are high-net-worth, which on Form ADV means they meet the SEC’s qualified-client or qualified-purchaser test: broadly, more than $1 million managed by the adviser or a net worth above $2 million, with the thresholds indexed for inflation.
• It provides financial planning services, not only portfolio management.
• It reports no disciplinary history on Form ADV.

Before you hire any adviser

Read the firm’s Form ADV Part 2 brochure on its SEC record: it sets out fees, minimums, conflicts of interest and who will manage your money. Ask whether the firm acts as a fiduciary for all of your accounts, how it is paid in total, and who holds your assets. Our guide to choosing a financial adviser lists the questions to ask.

Other fee-only advisers in Waltham

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• Montis Financial, LLC $1.3B
• Pension & Wealth Management Advisors $530M
• Ballentine Partners $15.3B
• Savvi Financial LLC $45M
• JSK Capital Advisors, LLC $11M

See all 10 fee-only advisers in Waltham →

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