Mercer Advisors
Sharing Knowledge

Concentrated Stock

A concentrated stock position — whether from an IPO, years of equity compensation, or a single investment that’s grown significantly — can create real wealth while also introducing meaningful risk and tax complexity. At Mercer Advisors, we help clients navigate diversification strategies, long-short portfolios, and post-IPO lockup expirations with a disciplined, tax-aware approach designed to help protect gains while reducing concentration risk. Explore the resources below for practical guidance on managing and diversifying a concentrated equity position.

Professions Article

Incentive Stock Options: From Equity to Tax Strategy for Tech Professionals

Navigate the complexities of incentive stock options (ISOs). Learn about AMT, vesting, and strategic planning to help protect and grow your established wealth.

Investment Management Article

What a Stock Split Means for Your Portfolio

Explore how a stock split affects your portfolio and learn comprehensive strategies for managing concentrated positions, tax exposure, and charitable giving.

Market Commentary Article

Our Reasons for Caution Around Flashy IPOs

Mercer Advisors VP of Portfolio Management David Krakauer explains reasons for caution around highly anticipated IPOs, where it can be hard for investors to get good deals.

Tax Planning Guide

A Guide To Long-Term Planning for Long-Short Portfolios

A practical guide to long-short investing, explaining how portfolios evolve, manage taxes, reduce risk, and plan smart options after diversification.

Investment Management Guide

Post-IPO Lockup Playbook: Sell Smart, Minimize Taxes, Protect Your Gains

Your IPO lockup expiration is just the beginning. With a multi-year strategy and expert advice you can turn uncertainty into lasting value.

Market Commentary On-Demand Webinar

Q2 Market Outlook: Markets, Interest Rates, Inflation, and More

A market update on inflation, geopolitics, interest rates, and why diversification and investor discipline remain critical amid global uncertainty.

A couple tax planning with their advisor
Tax Planning Article

Tax Filing vs. Tax Planning: Year Round Tax Planning Matters

Tax planning goes beyond filing to help improve future after tax outcomes.

Listen
Market Commentary Podcast

Episode 35 – The Newfound Religion for International Diversification

A strong year for international stocks has many investors clamoring to figure out how to invest internationally. Mercer Advisors CIO Don Calcagni shares his view on the right amount of international stocks for most investors.

Market Commentary On-Demand Webinar

Q1 Market Outlook: Markets, Interest Rates, Inflation, and More

A 2025 market review and 2026 outlook covering growth, inflation, rates, debt, global markets, and why diversification matters amid volatility.

Market Commentary On-Demand Webinar

Q4 Market Outlook: Federal Government Funding, Tariffs, and Earnings Growth

A Q4 market outlook on rates, inflation, tariffs, global markets, and portfolio diversification — highlighting resilience, risks, and planning amid uncertainty.

Investment Management Article

What To Do When Your IPO Lockup Expires

Optimize your equity with smart timing, tax strategies, and diversification to help create lasting wealth.

Investment Management Guide

Investing in Fine Art: A Guide on Risks, Returns, and How to Integrate Your Collection into Your Wealth Plan

Explore art as an asset: risks, returns, and strategies for integrating it into your wealth plan.

A team working on liquidity planning
Investment Management Article

Liquidity Planning After a Tender Offer

Learn smart strategies for tax planning, investment diversification, estate preparation, and avoiding potential pitfalls.

FAQs
Professions FAQ

ISO vs. NSO — what is the difference?

See the answer
Professions FAQ

Where can I find guidance on incentive stock option timing?

See the answer
Professions FAQ

How do I exercise my incentive stock options?

See the answer
Professions FAQ

What is an incentive stock option?

See the answer
Investment Management FAQ

How can Mercer Advisors help when one of my holdings splits?

See the answer
Investment Management FAQ

Can a stock split affect whether I should sell or hold my position?

See the answer
Investment Management FAQ

How does a stock split affect my options contracts?

See the answer
Investment Management FAQ

What should I do if a holding announces a reverse split?

See the answer

Further Learning

Listen
Investment Management Podcast

Episode 40 – Diversify Broadly, Both Across and Within Global Asset Classes

Don Calcagni, Chief Investment Officer, explains why he pursues the broadest possible diversification in portfolios — and why it’s the second principle of the evidence-based investment philosophy at Mercer Advisors.

Estate Planning Article

How To Keep Your Family Vacation Home in the Family

Passing down a family vacation home takes more than a will. Learn how trusts, LLCs, and honest conversations can keep your legacy property in the family.

Retirement Article

Catch-Up Contributions 2026: What’s New for Savers

SECURE 2.0 catch-up rules are in effect for 2026. New limits, a higher Roth threshold, and final IRS guidance change how older savers should plan.

Retirement Article

Medigap vs. Medicare Advantage: Your 2026 Medicare Options

Understand your 2026 Medicare choices, and compare Medigap and Medicare Advantage on cost, coverage, networks, and enrollment to make an informed decision.

About Mercer Advisors

We exist so you don’t have to worry about money. For more than 40 years, we’ve taken the sophisticated, time-tested approach that many ultra-high net worth individuals use to help manage their financial lives and made it accessible to more families.

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