How Direct Indexing works
Direct Indexing is an investment strategy where you own the individual stocks that make up an index, held in a separately managed account, instead of buying an index fund or ETF. Because you own the securities directly, you can customize the portfolio and harvest tax losses at the individual-stock level.
01
Pick the index
A benchmark is chosen: the S&P 500, a total-market index, or a custom blend.
02
Buy the stocks
The manager buys the index’s underlying stocks, or a representative sample that tracks it closely.
03
Own them directly
The stocks sit in a separately managed account in your name, visible and yours.
04
Manage at the stock level
Customize holdings and harvest losses position by position, which a single fund share can’t do.
A manager recreates a benchmark, such as the S&P 500, by buying its underlying stocks, holding either every constituent or a representative sample that tracks the index closely. Those stocks sit in a separately managed account in your own name, so unlike a fund, you can see and control every holding.
What Direct Indexing lets you do
Owning the stocks directly, rather than a single fund share, opens up three things:
Customization
Exclude companies or sectors, apply values-based screens, or manage around a stock you already hold too much of.
Tax management
Harvest losses at the individual-stock level (more on that below).
Transparency
Every position, and its cost basis, is visible and yours.
How the tax benefit works
Because you hold the individual stocks, some are down even when the index is up, and each is a chance to harvest a loss that offsets gains elsewhere with a similar stock taking its place, so your market exposure stays intact.
A single index-fund share can’t do this. It moves up or down as one unit. Over time, those individually harvested losses become a meaningful source of after-tax return.

A quick example
Suppose a client wants broad S&P 500 exposure but already owns a large position in one tech stock. A direct-index portfolio can track the index while excluding that name, so the client gets the market without doubling down on a company they’re already heavy in. A fund can’t apply that kind of screen.
Direct Indexing vs. index funds and ETFs
An index fund or ETF hands you the index as one pooled share: cheap, simple, and hands-off. Direct Indexing hands you the underlying stocks, trading a little more cost and complexity for the tax management and customization a single share can’t offer. See Direct Indexing vs. ETFs for the full comparison.
Who it’s for
Direct Indexing often earns its keep for investors in taxable accounts and higher tax brackets, where the tax management is worth most, and for anyone who wants to tailor an index to personal preferences or an existing concentrated position. The tax benefit does nothing inside an IRA or 401(k).
It’s usually offered through an advisor or platform with an account minimum, though technology has pushed those minimums well below traditional SMA levels.
Things to consider
There are more holdings to track than with a single fund, and a direct-index portfolio won’t mirror the index perfectly. Some tracking error is normal, and the manager’s job is to keep it controlled while capturing the tax and customization benefits. Vise’s optimizer, for example, treats tracking error as an explicit constraint: every harvest and customization is weighed against how far it would move the portfolio from its benchmark.
How Vise approaches Direct Indexing
Vise, which builds portfolio management software for financial advisors, runs Direct Indexing in-house rather than through a third-party manager. The same engine powers its tax-aware Long Short strategy, and the same discipline builds its fixed-income SMAs. Three things distinguish the approach:
One engine, not layered services
Loss harvesting, tracking-error control, and wash-sale checks run inside the same optimization that manages the portfolio, not as separate overlay services bolted on top.
Customization without the upkeep
Exclusions, ESG screens, sector limits, and factor tilts are entered once, and the optimizer honors them on every subsequent trade. Portfolios can also track a custom or blended benchmark an advisor defines.
Harvesting runs daily
Every portfolio is checked for harvestable losses each day at current prices, and replacements are chosen to keep the portfolio’s overall sector and factor profile in line with its index.
Direct Indexing lives or dies on how the portfolio is managed. A rules-based system fires one trigger at a time, and the triggers conflict: the rebalancing rule wants to sell what the tax rule wants to hold. Vise instead runs a multi-objective optimization that weighs taxes, drift, risk, cost, and the client’s restrictions in a single calculation, and only then trades.
See how Vise builds Direct Indexing portfolios that harvest losses and honor each client’s preferences.
1. Capital losses offset capital gains, and the replacement security must not be substantially identical — IRS Topic No. 409, Capital Gains and Losses (IRC § 1211(b)); IRS Publication 550, Investment Income and Expenses, "Wash Sales" (IRC § 1091). https://www.irs.gov/taxtopics/tc409 · https://www.irs.gov/publications/p550
2. IRAs and 401(k) plans are tax-deferred, so there is no annual capital gains tax for a harvested loss to offset — IRS Topic No. 451, Individual Retirement Arrangements (IRAs); IRS, 401(k) Plans. https://www.irs.gov/taxtopics/tc451 · https://www.irs.gov/retirement-plans/401k-plans
Vise AI Advisors, LLC ("Vise") is an investment adviser registered with the U.S. Securities and Exchange Commission (SEC). Registration of an investment adviser does not imply any specific level of skill or training and does not constitute an endorsement of Vise by the Commission. Third party logos are property of their respective owners and are not affiliated with Vise. The information set forth herein is intended to be informational in nature and is not intended to be investment advice. Please consult with a qualified professional advisor for advice specific to your situation. All investing involves risk, including the risk of loss of invested principal. Past performance is not an indicator of future results

