VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 5, 2025

Head-to-head

DATAROMA vs Nasdaq.com comparison

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

Quick takeaways

DATAROMA adds Stock Ideas, and Investor Holdings coverage that Nasdaq.com skips.

Nasdaq.com includes Screeners, Portfolio, Watchlist, News, Calendar, Dividends, Splits, IPO, Financials, Short Interest, ETF Overview, ETF Holdings, Options, Analyst Forecasts, Analyst Price Targets, and Analyst Recommendations categories that DATAROMA omits.

DATAROMA highlights: Tracks portfolios of well-known 'Superinvestors' through SEC 13F filings, with detailed views of holdings, buys/sells, and quarter-to-quarter activity., Stock pages display Superinvestor ownership counts, a defined 'Hold Price' (quarter-end close), insider transaction totals over the past six months, plus TradingView charts and fundamentals., and Real-time insider transaction feed based on SEC Form 4 filings, with filterable listings..

Nasdaq.com is known for: Real-time U.S. quotes with continuously updating bid/ask via Nasdaq Basic, with data credited to Nasdaq Data Link., Built-in screeners for stocks, ETFs, and mutual funds with filterable metrics., and Options chains enhanced with Greeks such as Delta, Gamma, and Vega..

Nasdaq.com offers mobile access, which DATAROMA skips.

DATAROMA logo

DATAROMA

dataroma.com

Hands-on review

Free resource that tracks Superinvestor 13F filings and insider Form 4 activity. Features include manager portfolios, aggregated holdings, insider trade feeds, and stock idea rankings. Quotes are sourced via Intrinio, with charts and fundamentals powered by TradingView. The site requires no login or account to use.

Platforms

Web

Pricing

Free

Quick highlights

  • Tracks portfolios of well-known 'Superinvestors' through SEC 13F filings, with detailed views of holdings, buys/sells, and quarter-to-quarter activity.
  • Stock pages display Superinvestor ownership counts, a defined 'Hold Price' (quarter-end close), insider transaction totals over the past six months, plus TradingView charts and fundamentals.
  • Real-time insider transaction feed based on SEC Form 4 filings, with filterable listings.
  • ‘RealTime’ activity feed highlighting notable Superinvestor trades as they are reported.
  • S&P 500 'Value Ranking' grid for idea generation and stock discovery.

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Nasdaq.com logo

Nasdaq.com

nasdaq.com

Hands-on review

Nasdaq’s official portal for quotes, news, filings, calendars, and investor tools. Free users can access watchlists, portfolios, and market data, while premium Smart Portfolio (powered by TipRanks) adds broker syncing and advanced analytics. U.S. quotes stream in real time via Nasdaq Basic/NLS, though extended-hours data is typically shown with a 15-minute delay.

Platforms

Web
Mobile

Pricing

Free
Subscription

Quick highlights

  • Real-time U.S. quotes with continuously updating bid/ask via Nasdaq Basic, with data credited to Nasdaq Data Link.
  • Built-in screeners for stocks, ETFs, and mutual funds with filterable metrics.
  • Options chains enhanced with Greeks such as Delta, Gamma, and Vega.
  • Dedicated pages for short interest, insider transactions, and institutional holdings (13F).
  • Comprehensive calendars covering dividends, earnings, IPOs, and economic events.

Community votes (overall)

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Overlap

Shared focus areas

2 overlaps

Mutual strengths include 13F, and Insider Data.

Where they differ

DATAROMA

Distinct strengths include:

  • Tracks portfolios of well-known 'Superinvestors' through SEC 13F filings, with detailed views of holdings, buys/sells, and quarter-to-quarter activity.
  • Stock pages display Superinvestor ownership counts, a defined 'Hold Price' (quarter-end close), insider transaction totals over the past six months, plus TradingView charts and fundamentals.
  • Real-time insider transaction feed based on SEC Form 4 filings, with filterable listings.
  • ‘RealTime’ activity feed highlighting notable Superinvestor trades as they are reported.

Nasdaq.com

Distinct strengths include:

  • Real-time U.S. quotes with continuously updating bid/ask via Nasdaq Basic, with data credited to Nasdaq Data Link.
  • Built-in screeners for stocks, ETFs, and mutual funds with filterable metrics.
  • Options chains enhanced with Greeks such as Delta, Gamma, and Vega.
  • Dedicated pages for short interest, insider transactions, and institutional holdings (13F).

Feature-by-feature breakdown

AttributeDATAROMANasdaq.com
Categories

Which research workflows each platform targets

Shared: 13F, Insider Data

Unique: Stock Ideas, Investor Holdings

Shared: 13F, Insider Data

Unique: Screeners, Portfolio, Watchlist, News, Calendar, Dividends, Splits, IPO, Financials, Short Interest, ETF Overview, ETF Holdings, Options, Analyst Forecasts, Analyst Price Targets, Analyst Recommendations

Asset types

Supported asset classes and universes

Stocks, ETFs

Stocks, ETFs, Mutual Funds, Options, Cryptos, Currencies

Experience levels

Who each product is built for

Beginner, Intermediate, Advanced

Beginner, Intermediate, Advanced

Platforms

Where you can access the product

Web

Web, Mobile

Pricing

High-level pricing models

Free

Free, Subscription

Key features

Core capabilities called out by each vendor

Unique

  • Tracks portfolios of well-known 'Superinvestors' through SEC 13F filings, with detailed views of holdings, buys/sells, and quarter-to-quarter activity.
  • Stock pages display Superinvestor ownership counts, a defined 'Hold Price' (quarter-end close), insider transaction totals over the past six months, plus TradingView charts and fundamentals.
  • Real-time insider transaction feed based on SEC Form 4 filings, with filterable listings.
  • ‘RealTime’ activity feed highlighting notable Superinvestor trades as they are reported.
  • S&P 500 'Value Ranking' grid for idea generation and stock discovery.
  • Aggregated 'Grand Portfolio' showing combined Superinvestor holdings and ownership statistics.

Unique

  • Real-time U.S. quotes with continuously updating bid/ask via Nasdaq Basic, with data credited to Nasdaq Data Link.
  • Built-in screeners for stocks, ETFs, and mutual funds with filterable metrics.
  • Options chains enhanced with Greeks such as Delta, Gamma, and Vega.
  • Dedicated pages for short interest, insider transactions, and institutional holdings (13F).
  • Comprehensive calendars covering dividends, earnings, IPOs, and economic events.
  • ETF pages include holdings tables and fund-level analytics.
Tested

Verified by hands-on testing inside Find My Moat

Yes

Yes

Editor pick

Featured inside curated shortlists

Standard listing

Standard listing

Frequently Asked Questions

Which workflows do DATAROMA and Nasdaq.com both support?

Both platforms cover 13F, and Insider Data workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do DATAROMA and Nasdaq.com require subscriptions?

Both DATAROMA and Nasdaq.com keep freemium access with optional paid upgrades, so you can trial each platform before committing.

Which tool has mobile access?

Nasdaq.com ships a dedicated mobile experience, while DATAROMA focuses on web or desktop access.

What unique strengths set the two platforms apart?

DATAROMA differentiates itself with Tracks portfolios of well-known 'Superinvestors' through SEC 13F filings, with detailed views of holdings, buys/sells, and quarter-to-quarter activity., Stock pages display Superinvestor ownership counts, a defined 'Hold Price' (quarter-end close), insider transaction totals over the past six months, plus TradingView charts and fundamentals., and Real-time insider transaction feed based on SEC Form 4 filings, with filterable listings., whereas Nasdaq.com stands out for Real-time U.S. quotes with continuously updating bid/ask via Nasdaq Basic, with data credited to Nasdaq Data Link., Built-in screeners for stocks, ETFs, and mutual funds with filterable metrics., and Options chains enhanced with Greeks such as Delta, Gamma, and Vega..

Curation & Accuracy

This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).

Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.