How to Track Investments Across Multiple Accounts

Free portfolio tracker illustration - tracking multiple accounts


Most investors hold accounts at more than one broker. A taxable brokerage account here, a 401(k) there, maybe a Roth IRA from a previous employer, or a second account at a different platform. Each one shows you its own slice of the picture. None of them show you the whole thing.
That fragmentation creates real blind spots: you may be far more concentrated in one sector than you realize, holding the same stock in three accounts without knowing it, or taking on more risk than you intended — simply because no single view exists. This page covers how to fix that.

In this guide
Why fragmented portfolios create hidden concentration risk — even for experienced investors
What to look for in a multi-account portfolio tracker — five capabilities that matter
How Ziggma consolidates accounts across any broker into a single portfolio view
The difference between basic tracking and genuine cross-account analysis
How to move from a consolidated view to active portfolio optimization

Why fragmented portfolios create hidden risk

When your investments live across multiple platforms, each one only ever tells you part of the story. You might think you're diversified because one account holds tech stocks and another holds bonds — but without seeing everything together, you can't know if your real estate ETF in account A is doubling down on the same sector exposure your REIT in account B already carries.

This is the fragmentation problem. It's not about having multiple accounts — it's about making decisions without the full picture. Concentration risk hides. Overlap compounds silently. And performance becomes nearly impossible to assess honestly.

The average self-directed investor checks three or more platforms to understand their portfolio. Without a consolidated view, it's estimated they hold 20–40% more overlap in their holdings than they realize — unknowingly amplifying risk in the sectors or stocks they're already most exposed to.

What multi-account tracking actually gives you

Consolidating your accounts into a single tracker isn't just about convenience — it changes how you make investment decisions. When you can see your entire portfolio at once, you move from reactive to strategic. You stop asking "how is this account doing?" and start asking "how is my wealth performing?

True diversification view

See your real sector and asset allocation across all accounts — not account by account, but as a single, consolidated portfolio.

Unified risk analysis

Identify concentration risks and hidden overlaps that only become visible when all your positions are evaluated together.

Consolidated performance

Track overall returns, not just account-level movements. Understand where your gains are actually coming from.

Smarter rebalancing

When you can see everything together, rebalancing decisions become clearer — and you avoid the trap of optimizing each account in isolation.

How Ziggma approaches multi-account portfolios

Most portfolio tools are built around the concept of a single brokerage account. Ziggma was designed from the ground up for investors who hold multiple accounts — often at different brokers, with different strategies, across different time horizons.

Once you connect your accounts, Ziggma builds a unified view that treats your holdings as a single portfolio. You get cross-account diversification analysis, quality scoring on your positions, and insights into how your accounts work together — or against each other. It's the difference between knowing you have investments and actually understanding them.

For investors also thinking about the long-term impact of their capital, Ziggma layers in ESG and climate exposure data alongside standard financial metrics — so you can align your portfolio with your values without sacrificing analytical depth.

→ Get your unified portfolio view.

How you can track multiple accounts in Ziggma

Ziggma vs. other tracking tools

Not all portfolio trackers treat multi-account investing the same way. Here's how the most common options compare when it comes to the features that matter for managing a fragmented portfolio.
Feature Ziggma Empower Broker tools
Multi-account aggregation
Cross-account diversification analysis
Portfolio quality scoring
Risk concentration insights
Portfolio optimizer
ESG & climate exposure data
Net worth monitoring

✓ Fully supported  ·  – Partial or limited  ·  ✗ Not available. This comparison reflects core feature availability and may not capture every nuance of each platform.

Ready to see your entire portfolio in one place?

Connect your accounts in minutes. No credit card required. Ziggma's free plan gives you multi-account tracking, diversification analysis, and portfolio quality scores — everything you need to start investing with clarity.

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FAQ

Frequently asked questions

Ziggma uses secure, read-only connections to link your brokerage and retirement accounts. You authenticate once through your broker's own login — Ziggma never stores your credentials or has the ability to make trades on your behalf. The connection is powered by institutional-grade account aggregation technology, and you can disconnect any account at any time from your settings. Read more about Ziggma's security approach here.

Ziggma supports connections to a wide range of US and international brokerage accounts, including major platforms like Schwab, Fidelity, Interactive Brokers, and many more. If your broker isn't supported for automatic syncing, you can also import your portfolio manually via CSV. For a full walkthrough of how to get started, see our guide on how to track investments across multiple accounts. The full list of supported connections is available once you create your free account.

Yes. Ziggma consolidates all account types — taxable brokerage accounts, traditional and Roth IRAs, 401(k)s, and more — into a single portfolio view. This is especially valuable because tax-advantaged accounts often hold different asset mixes, and seeing everything together gives you a more accurate picture of your overall diversification and risk exposure. See how Ziggma's portfolio insights surface what matters across all your accounts in one place.

When you view each account individually, you see its sector weights, geographic exposure, and asset class breakdown in isolation. Ziggma's cross-account analysis combines all of this into a single consolidated view, so you can see your true sector allocation across all holdings — surfacing things like overlapping positions in the same company across accounts, or a higher concentration in one sector than you realized. For a deeper look at what the analysis covers, see our guide on how to analyze a stock portfolio.

Yes. Ziggma's free plan includes multi-account tracking, a consolidated portfolio view, and diversification analysis. Advanced features like the portfolio optimizer, detailed quality scoring, and deeper research tools are available on paid plans. Compare all plans here — no credit card is required to start.

A spreadsheet can aggregate your holdings numerically, but it can't do the analytical heavy lifting. Ziggma automatically calculates diversification scores, flags concentration risks, applies the Ziggma Stock Score quality metrics to your individual positions, and keeps everything updated without manual data entry. The real value isn't just seeing what you own — it's understanding what those holdings mean together.

Portfolio data is updated regularly throughout the trading day for connected accounts. Price data refreshes in near real-time during market hours. You can also trigger a manual refresh at any time to pull in the latest account data from your connected brokers. For more on what Ziggma tracks and how, see the free portfolio tracker overview.

Ziggma lets you create and manage multiple separate portfolio views within a single account, making it straightforward to track different investors' portfolios — your own, a spouse's, or even a hypothetical portfolio you're building. Each portfolio can have its own connected accounts, and you can switch between them from the dashboard. To see the full picture of what's possible, explore how to optimize your portfolio once all accounts are connected.