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Exposure X-Ray — see what you actually own across all your accounts

You could own Apple through six different ETFs. A single stock is 21% of your wealth without you knowing. Exposure X-Ray shows you every underlying holding, across every account.

As heard on Bloomberg
See every underlying holding

Your “different” funds hold the same 80 stocks. Did you know that?

You own VOO and QQQ. Most of QQQ is already in VOO.

You own the Mag 7 three times over. That’s concentration, not diversification.

Connect every account

Your Fidelity 401(k) doesn’t know about your Vanguard IRA.

401(k) here. IRA there. Taxable somewhere else. Each brokerage shows their slice.

Your Fidelity target-date holds the same tech you own directly at Schwab.

Updated automatically

Your concentration changes every day. So does Exposure X-Ray.

Markets move. Funds rebalance. You trade.

No spreadsheets. No quarterly reviews. NVDA surges 8% in a week — and it’s 18% of your portfolio before you notice.

Is Exposure X-Ray for you?

If any of these sound familiar, you need to see what you actually own.

You own ETFs or mutual funds

The setup

VOO for S&P 500. VTI for total market. QQQ for tech. Plus a 401(k) target-date fund. Different funds, different purposes. Diversified, right?

What you don’t see

All four hold the same mega-cap tech — Apple, Microsoft, Amazon, Google, Meta. You could be 30–40% tech without knowing.

What Exposure X-Ray shows

VOO and VTI share 500 stocks. You’re exposed to the same companies twice. See the overlap. Decide what to cut.

You have accounts at multiple brokerages

The setup

Different brokerages have different funds that track the same thing. FXAIX with Fidelity and VOO with Vanguard? QQQ with your E*Trade account and SCHG in Schwab?

What you don’t see

Fidelity target-date 2050: 30% tech. Vanguard total market: 28% tech. Your Schwab stocks? Already your largest holdings through your funds. You’re more concentrated than any account suggests.

What Exposure X-Ray shows

Each brokerage has its own fund to help you track the same basket of stocks. FXAIX and VOO are both tracking the S&P 500. This means you’re just paying multiple fees across different brokerages for the same exposure.

Your advisor says you’re “diversified”

The setup

Your advisor manages $800K. Solid portfolio, mostly index funds. But they don’t manage your 401(k) ($400K), old IRA ($200K), or spouse’s accounts ($300K).

What you don’t see

They’re optimizing on 40% of your assets. Their recommendations might create concentrations with your other accounts. Not their fault — incomplete information.

What Exposure X-Ray shows

Everything. Your advisor’s conservative allocation plus your aggressive 401(k) might be riskier than intended. Share your X-Ray so you can have a better-informed conversation.

See where you can optimize your portfolio after one quick call

  1. Book your onboarding call (5 minutes)

    Talk with our founder to make sure Mezzi is right for you. We’ll walk through your situation and show you what Exposure X-Ray can find in your portfolio.

  2. Connect your accounts (2 minutes)

    Link your accounts through Plaid, Finicity, or SnapTrade.

  3. See what’s available

    Exposure X-Ray analyzes your portfolio and shows you what opportunities exist right now.

  • Bank-level security
  • SEC-registered investment advisor
  • Read-only access

What Mezzi members discovered

Here’s what surprised me most: I discovered individual stock exposure I didn’t even know I had. Turns out my “diversified” ETF portfolio had significant overlap, with some companies appearing across multiple funds.
Nishant Jayant Meta engineer
The hidden concentration is such a good feature. Particularly for those in tech who already hold a significant amount of company stock. They often forget those same holdings make up a large % of the index funds they own.
Andre Nader author of FAANG FIRE

Most financial advisors don’t have access to this analysis

Exposure X-Ray uses institutional-grade analysis — the kind normally reserved for the wealthiest clients.

Your advisor probably uses

  • Morningstar: fund-level analysis, not your real-time cross-account overlap.
  • Planning tools: eMoney, RightCapital, MoneyGuidePro — these only categorize funds.
  • Brokerage reporting: isolated to that brokerage and that account.

They don’t have tools that analyze every holding across all accounts.

What makes Exposure X-Ray different

  • Every stock in every fund across every account
  • True exposure to each company
  • Sector, market-cap, and geographic concentrations
  • Updates automatically

Even sophisticated DIY investors can’t calculate this manually. Too many moving parts.

Frequently asked questions

Your brokerage shows what you hold with them. Exposure X-Ray shows what you own across all accounts. Fidelity might say “you own VOO, diversified” — but you also own VTI at Vanguard and QQQ at Schwab, which makes you heavily concentrated in mega-cap tech. Fidelity can’t see your other accounts. Exposure X-Ray can.
Yes. Connect traditional and Roth IRAs, 401(k), 403(b) and 457 plans, taxable brokerage accounts, HSAs, 529s and trusts. Exposure X-Ray analyzes all types together.
That’s exactly what it’s built for. If you own VOO, VGT and QQQ, Exposure X-Ray shows Apple in all three (7.1%, 18.4% and 11.2% of each) and Microsoft in all three (6.9%, 16.7% and 9.8%) — and totals it up: Apple is 12.3% of your portfolio. Every stock, every fund, every account.
Real-time prices and daily portfolio updates. It updates as you trade, as funds rebalance, and as markets move, so it is always current.
That’s fine. Some investors intentionally concentrate in sectors they understand. Exposure X-Ray shows what you own and you decide what to do about it. Want 40% tech? Great — just know that’s what you have.
Yes. Bank-level encryption, read-only access that cannot move money or trade, and connections through Plaid and Meld, which are trusted by every major bank.

Stop guessing what you own.

The next market correction will reveal whether you’re diversified or concentrated. Better to find out now.

To Mezzi, you are the only client.

You'll never be prioritized based on net worth. There's no scheduling or wait times. You'll never hear "I have a hard stop" or "remind me about that again." With Mezzi, it's all, and only, about you.