VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

Sunday, May 31, 2026

Tool Comparison · Sunday, May 31, 2026

DATAROMA vs SEC API (sec-api.io)

DATAROMA vs SEC API (sec-api.io): which investing tool fits your workflow? Compare pricing, features, platforms, and verdict in seconds.

Quick verdict
DATAROMA logo

DATAROMA

dataroma.com

Best for stock ideas, and investor holdings

Pricing
Free
Platforms
Web
VS
SEC API (sec-api.io) logo

SEC API (sec-api.io)

Pick

sec-api.io

Best for data apis, and regulatory filings monitoring

Pricing
Free • From $55/mo
Platforms
Web, API

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Comparison snapshot

Attribute
DATAROMA
SEC API (sec-api.io)
Starting price
Free
Free • From $55/mo
Categories covered
5
9
Web app
Yes
Yes
Mobile app
No
No
API access
No
Yes
Regions
North America
North America

Who should choose which?

Choose

DATAROMA if…

  • You’re a long-term or value-focused investor
  • You need homepage states it is “currently tracking portfolios” of superinvestors (count shown on-page and may change over time) and highlights recent activity / insider buys of superinvestor holdings.
  • You need superinvestor holdings pages list positions with % of portfolio, activity (e.g., add/reduce), shares, reported price, current price, and 52‑week low/high.
  • You need portfolio change views show quarter-based activity and top buys/sells by manager; the site’s own content references 13f filings in this context.

Choose

SEC API (sec-api.io) if…

  • You build with APIs or automate workflows
  • You need real-time data, not delayed quotes
  • You need comprehensive api endpoints: query, full-text search, real-time streaming via websocket, download/pdf generator, xbrl-to-json conversion, and section extractors for 10-k/10-q/8-k filings.
  • You need specialized form coverage including adv, insider filings (forms 3/4/5), 13f, 13d/g, form 144, ipo registrations (s-1, 424b4), crowdfunding (form c, form d), reg a filings, and fund reports (n-port, n-px, n-cen).

Consider alternatives if…

  • You want broader category coverage in one tool.
  • Neither pricing tier fits your budget.
See alternatives

Side-by-side feature breakdown

AttributeDATAROMASEC API (sec-api.io)
Asset types
StocksETFs
StocksETFsMutual FundsFunds
Experience
BeginnerIntermediateAdvanced
BeginnerIntermediateAdvanced
Regions
North America
North America
Data freshness
Not specified
Real-time
API access
Not specified
RESTWebSocket
Export formats
Not specified
JSONPDF

Seen enough? Open either tool and try it now.

Pricing breakdown

Pricing details

Tool

DATAROMA

Starting price

Free tierNo
Free trial

Plans & pricing

Pricing not published

Tool

SEC API (sec-api.io)

$55/mo

Starting price

Free tierYes
Free trial

Plans & pricing

Free TierFree
Personal & Startups$55/mo
Business (Internal Use)$239/mo
Enterprise & InstitutionsContact sales

Coverage overlap

Shared categories2

Categories where both tools offer overlapping coverage.

DATAROMA strengths3

Categories covered by DATAROMA only.

SEC API (sec-api.io) strengths7

Categories covered by SEC API (sec-api.io) only.

Community category leaders

Vote sentiment comparison

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Still deciding? Get hands-on with both — most plans offer a free tier or trial.

Frequently Asked Questions

What's the difference between DATAROMA and SEC API (sec-api.io)?

DATAROMA focuses on Stock Ideas, Investor Holdings, and 13F while SEC API (sec-api.io) specializes in Data APIs, Regulatory Filings Monitoring, and Insider Data. They overlap in 2 categories, so choose based on your preferred workflow and pricing.

How much do DATAROMA and SEC API (sec-api.io) cost?

Good news—both DATAROMA and SEC API (sec-api.io) offer free plans. You can try each platform without commitment and only pay when you need premium features.

Does DATAROMA or SEC API (sec-api.io) have an API?

SEC API (sec-api.io) provides API access for programmatic data retrieval and custom integrations. DATAROMA doesn't currently offer an API, so you'll need to use their web interface.

Should I choose DATAROMA or SEC API (sec-api.io)?

Choose DATAROMA if you need Homepage states it is “currently tracking portfolios” of superinvestors (count shown on-page and may change over time) and highlights recent activity / insider buys of superinvestor holdings., and Superinvestor holdings pages list positions with % of portfolio, activity (e.g., Add/Reduce), shares, reported price, current price, and 52‑week low/high.. Go with SEC API (sec-api.io) if Comprehensive API endpoints: query, full-text search, real-time streaming via WebSocket, download/PDF generator, XBRL-to-JSON conversion, and section extractors for 10-K/10-Q/8-K filings., and Specialized form coverage including ADV, insider filings (Forms 3/4/5), 13F, 13D/G, Form 144, IPO registrations (S-1, 424B4), crowdfunding (Form C, Form D), Reg A filings, and fund reports (N-PORT, N-PX, N-CEN). better fits how you invest.

What asset classes do DATAROMA and SEC API (sec-api.io) cover?

Both cover Stocks, and ETFs. SEC API (sec-api.io) adds coverage for Mutual Funds, and Funds.

Does DATAROMA or SEC API (sec-api.io) have real-time data?

SEC API (sec-api.io) offers real-time data feeds, which is essential for active traders. DATAROMA uses delayed or end-of-day data, which works fine for longer-term investors who don't need up-to-the-second quotes.

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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.