RSU And Concentrated Stock: 5 Tax-Smart Strategies To Diversify

True Root Financial is a fiduciary financial advisor in San Francisco, CA specializing in concentrated stock tax planning in California. If you are a Tech employee in the Bay Area or in California, book a no-obligation call to learn how we can help.

There is a pattern I see constantly with tech executives in California who are grappling with concentrated stock tax planning.  

A tech executive has built something remarkable. Years of vesting, holding, and believing in the company. The stock has appreciated significantly. On paper, they are wealthy.

And yet they are frozen. Not because they are careless. Because every path forward feels like a mistake.

If you are a tech executive interested in learning how we can help you claim your financial independence by investing wisely, minimizing taxes, and maximizing your equity compensation, please book a no-obligation call here.

Selling means a tax bill that can exceed 37% combined federal and California taxes. Holding means watching concentration risk compound with every quarterly earnings call.

So they do nothing. And waiting has a cost most people never calculate.

A $6M concentrated position that drops 35% costs you $2.1M.

The taxes on a thoughtful diversification plan would have been a fraction of that.

The math is uncomfortable. But it is the right place to start.

The good news is that sell and hold are not the only two options.

There is an entire toolkit that most advisors never mention. Below are five strategies I use with clients who hold significant concentrated positions in a single stock.

Concentrated Stock Tax Planning: 5 Strategies for California Executives

1. The Cashless Collar

A collar is a way to protect against further downside on a stock you believe in long term but cannot afford to see fall further.

Here is how it works. You buy a put option that sets a floor price below which your losses are capped. You fund that protection by selling a call option, which caps your upside at a ceiling price you choose. Done correctly, the two options offset each other in cost. No cash out of pocket.

The result is a defined range. If the stock drops 30%, your floor protects you. If it rallies, you still participate up to the ceiling you set.

This strategy is ideal for executives who are bullish long term but want protection during a period of volatility or uncertainty.

It does not trigger a tax event. You still own every share.

2. The Structured Sale with Collar

Most diversification fails because it is emotional.

The stock hits a high and you think it will go higher, so you hold. It pulls back and you think it will recover, so you hold. Months pass. Nothing changes except the opportunity.

A structured sale removes emotion from the process entirely.

We build a plan with predetermined triggers. A fixed percentage to sell each quarter. Price thresholds that automatically execute a sale. A timeline that coordinates with your income levels to minimize the tax hit across multiple years.

When combined with a collar on the remaining position, you are executing a disciplined exit while protecting the shares you have not yet sold.

No more waiting for the perfect moment. The plan becomes the moment.

3. Direct Indexing

Direct indexing is one of the most underutilized strategies in personal wealth management.

Instead of buying an index fund, you own the individual stocks that make up an index directly. This gives you something a fund cannot: the ability to harvest losses on individual positions to offset gains elsewhere in your portfolio.

For someone with a large concentrated position generating significant capital gains, direct indexing in the rest of the portfolio can create a meaningful tax offset year after year.

It is not a one-time move. It is a structural advantage that compounds over time.

4. Securities-Based Lending

Sometimes the issue is not concentration risk. It is liquidity.

You need capital for college tuition, a home purchase, or a business investment. But your wealth is sitting in appreciated stock, and selling means a substantial tax event you are not ready to trigger.

Securities-based lending uses your existing portfolio as collateral to access a line of credit. You borrow against your assets without selling a single share. Interest rates are typically comparable to a mortgage, and the loan can be structured flexibly.

The tax event is deferred. Your position stays intact. You get the liquidity you need now.

This is standard practice in the ultra-wealthy world. There is no reason it should not be available to you.

5. The Long-Short Tax Harvesting Strategy

This is the most sophisticated strategy on this list, and the least understood outside of institutional finance.

Most people are familiar with basic tax-loss harvesting. You sell a position that has declined, capture the loss to offset gains elsewhere, and reinvest in something similar to maintain your market exposure. It is a useful tool. But at higher levels of wealth and capital gains, the standard approach runs out of runway quickly. You can only harvest what has actually declined in your portfolio.

The long-short approach solves that problem structurally.

Here is how it works. A quantitative strategy holds a large number of individual stock positions, both long positions in stocks expected to outperform and short positions in stocks expected to underperform. So, when the market goes up, the portfolio can harvest losses in the short book and when the market goes down, the portfolio can harvest losses in the long book. This way, the portfolio can amplify tax loss harvesting regardless of market conditions. 

The overall strategy is designed to outperform the market plus give you a pool of realized losses that can be used to offset capital gains elsewhere in your portfolio, including the gains from selling your concentrated stock position.

For a tech executive sitting on millions in appreciated stock, this changes the math significantly.

Instead of paying 37% or more in combined federal and California taxes on every share you sell, you are systematically generating losses in another part of your portfolio that offset those gains dollar for dollar. Over time, the tax savings compound. The strategy effectively lets you diversify your concentrated position at a substantially lower after-tax cost.

This approach makes the most sense for clients with $5M or more in investable assets and significant capital gains to offset. The complexity and cost of running a long-short strategy is justified when the tax savings are large enough to dwarf the fees.

It is not a product you will find at a typical wirehouse or with a generalist advisor. But for the right client, it is one of the most powerful tools available.

A Client Scenario: When Holding Became the Riskiest Move

A CFO I worked with had over 70% of his net worth in a single company’s stock. The position had grown significantly over years of vesting and holding. He had watched it climb, watched it pull back, and watched it climb again.

When we first spoke, the stock was down about 25% from its all-time high. He was still bullish on the company’s AI strategy and believed it would recover. But he also knew that another significant drop would be devastating for his family’s financial security. College for two kids was imminent. Retirement was five years away.

His previous advisor had never mentioned a collar. Never discussed a structured selling plan. Never raised the possibility of securities-based lending for the college expenses coming up fast.

We built a plan with three components. A collar on the core position to protect against further downside. A structured sale that would systematically diversify 20% of the position over 18 months, coordinated across two tax years. And a securities-based line of credit to cover near-term college expenses without triggering a sale during a period of weakness.

He did not have to choose between protection and upside participation. He did not have to sell at a loss or wait and hope. He had a system. And that made all the difference.

Who These Strategies Are For

These approaches are not for everyone. They make the most sense for executives who hold $3M or more in a single stock, are facing a combination of liquidity needs and tax exposure, have a long-term view on the company but cannot absorb further downside risk, and feel stuck between the tax bill and the risk of continued concentration.

If any of those describe your situation, the right move is not to wait for the stock to recover or to sell everything at once. It is to build a plan that accounts for all of it.

Ready To Explore Your Options?

At True Root Financial, we help tech executives turn concentrated positions into diversified, tax-aware wealth. Every plan is built around your specific situation, your timeline, and what you actually want your financial life to look like.

Money is simply a tool. The real goals are control over your time, security for your family, and the freedom to choose what comes next. Book a no-obligation consultation below.

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