BEST INVESTING TOOLS COMPARISON

Checking

Checked September 24, 2026

Tool Comparison

DATAROMA vs WhaleWisdom

Paid from
—
Free plan
Yes
Platforms
Web

Best if

  • You're a long-term investor who cares more about fundamentals than headlines

WhaleWisdom

TestedOur pick for most investors
Review & pricing
Paid from
$25/mo
Free plan
Yes
Platforms
Web, API, Desktop

Best if

  • You want an API so you can script or automate things
  • You want screeners, backtesting, and alerts.

Pick DATAROMA instead if

DATAROMA logo

DATAROMA

dataroma.comTested

Free · Web

  • You're a long-term investor who cares more about fundamentals than headlines
Our pick for most investors

Start here

WhaleWisdom logo

WhaleWisdom

whalewisdom.comTested

Free • From $300/yr · Web · API · Desktop

  • You want an API so you can script or automate things
  • You want screeners, backtesting, and alerts.

Skip both if: Neither one clicks with how you research; there are strong third options.

See alternatives

Other tools you might like

Outbound links may include affiliate or sponsor codes.

Not set on either one? See the top 50 tools, ranked by user votes, or the deals page for big discounts on popular tools.

Our take

The bottom line

DATAROMA and WhaleWisdom cover a lot of the same ground (3 shared categories, stock ideas, institutional ownership, and insider data), so for the basics you won't go far wrong with either. WhaleWisdom simply does more: 8 categories to DATAROMA's 3, including screeners, backtesting, and alerts. DATAROMA counters by being completely free.

What readers say

DATAROMA

No votes yet. Cast the first one.

WhaleWisdom

No votes yet. Cast the first one.

Key differences at a glance

Asset coverage
WhaleWisdomAdds closed-end funds and bonds
Broader coverage
WhaleWisdom8 vs 3 categories
Desktop app
WhaleWisdom
API access
WhaleWisdom
Free plan
Both
See the full side-by-side table
DATAROMA logo

What DATAROMA does best

  1. Curated superinvestor portfolios with each manager's reported holdings in one table.
  2. Review position size, portfolio weight, share count, reported price, current price, activity labels, and 52-week context for tracked holdings.
  3. Comparison tools for quarter-based portfolio changes, top buys, top sells, and manager-level activity from public filing data.
  4. Holdings Summary and Grand Portfolio views showing stocks owned by multiple tracked investors.
  5. Stock pages for Super Investor Stats, ownership count, rank across tracked portfolios, and related insider buying or selling summaries.
WhaleWisdom logo

What WhaleWisdom does best

  1. Tracks SEC filings including 13F reports, Schedule 13D/G events, Form 4 insider transactions, Form D, Form 144, N-CEN, and Form ADV.
  2. Monitors hedge funds, institutional filers, stock holders, filer groups, and stock watchlists.
  3. Review 13F history back to Q1 2001 on paid plans, while free access focuses on recent history and smaller limits.
  4. WhaleIndex, WhaleScore, WhaleTrader, Combined Holdings, and insider backtesting features on eligible paid plans.
  5. Export support for holdings and dashboard data through CSV, Excel, JSON, and the WhaleWisdom Excel Add-in depending on plan.

Side by side

Pricing & plans
Starting price
Free
Free • From $300/yr
Free tier
Yes
Yes
Free trial
—
—
Platforms & access
Web app
Yes
Yes
Desktop app
No
Yes
Mobile app
No
No
API access
No
Yes
Integrations
—
WhaleWisdom Excel Add-in, Microsoft Office Store add-in +1 more
Coverage & data
Asset types
StocksETFs
StocksETFsClosed-End FundsBondsOptions
Target audience
Retail TradersPro RetailLong-term InvestorsValue InvestorsAnalystsStudents/Researchers
Not specified
Export formats
Not specified
CSVExcelJSON

Pricing comparison

Tier
DATAROMACheaper start
Free plan
—
Free
Entry paid plan
—
$300/yr≈ $25/mo“Standard Annual”
Tier 2
—
$90/qtr“Standard Quarterly”
Tier 3
—
$500/yr≈ $41.67/mo“Pro Annual”
Top plan
—
$150/qtr“Pro Quarterly”
Custom / enterprise
—
Contact sales“Enterprise”

See for yourself

Side by side

Price, platforms, data, and market coverage.
Show
Side-by-side comparison of DATAROMA and WhaleWisdom
Attribute
DATAROMA logo
DATAROMA
WhaleWisdom logo
WhaleWisdom
Pricing & plans
Starting price
FreeFree • From $300/yr
Free tier
YesYes
Free trial
——
Platforms & access
Web app
YesYes
Desktop app
NoYes
Mobile app
NoNo
API access
NoYes
Integrations
—WhaleWisdom Excel Add-in, Microsoft Office Store add-in +1 more
Audience & fit
Experience level
Beginner, Intermediate, AdvancedBeginner, Intermediate, Advanced
Best for
Retail Traders, Pro Retail +4 more—
Categories covered
38
Regions
North AmericaNorth America
Data & capabilities
Security
—Data residency: US
Try itVisit DATAROMAVisit WhaleWisdom

Standout features

The best features of DATAROMA and WhaleWisdom.
Show
DATAROMA logo

What DATAROMA does best

  1. Curated superinvestor portfolios with each manager's reported holdings in one table.
  2. Review position size, portfolio weight, share count, reported price, current price, activity labels, and 52-week context for tracked holdings.
  3. Comparison tools for quarter-based portfolio changes, top buys, top sells, and manager-level activity from public filing data.
  4. Holdings Summary and Grand Portfolio views showing stocks owned by multiple tracked investors.
  5. Stock pages for Super Investor Stats, ownership count, rank across tracked portfolios, and related insider buying or selling summaries.
WhaleWisdom logo

What WhaleWisdom does best

  1. Tracks SEC filings including 13F reports, Schedule 13D/G events, Form 4 insider transactions, Form D, Form 144, N-CEN, and Form ADV.
  2. Monitors hedge funds, institutional filers, stock holders, filer groups, and stock watchlists.
  3. Review 13F history back to Q1 2001 on paid plans, while free access focuses on recent history and smaller limits.
  4. WhaleIndex, WhaleScore, WhaleTrader, Combined Holdings, and insider backtesting features on eligible paid plans.
  5. Export support for holdings and dashboard data through CSV, Excel, JSON, and the WhaleWisdom Excel Add-in depending on plan.

All details

Every attribute we track for DATAROMA and WhaleWisdom.
Show
Attribute
DATAROMA logo
DATAROMA
WhaleWisdom logo
WhaleWisdom
Coverage & fit
Asset types
StocksETFs
StocksETFsClosed-End FundsBondsOptions
Experience
BeginnerIntermediateAdvanced
BeginnerIntermediateAdvanced
Target audience
Retail TradersPro RetailLong-term InvestorsValue InvestorsAnalystsStudents/Researchers
Not specified
Regions
North America
North America
Coverage details
Identifiers: Ticker
Countries: USIdentifiers: Ticker, CUSIP, and CIK
Access & integrations
API protocols
Not specified
REST
API auth & delivery
Not specified
Auth: APIKey20 req/minDocs
Integrations
Not specified
WhaleWisdom Excel Add-inMicrosoft Office Store add-inNightly FTP bulk files for Enterprise
Export formats
Not specified
CSVExcelJSON
Plans & trust
Security & compliance
Not specified
Data residency: US
Vendor & support
Not specified
WhaleWisdom, LLCCountry: United StatesSupport: Email
Curation ratings
Not specified
Methodology 3/5Reliability 3/5UX 3/5

Green tags are exclusive to that tool in this comparison.

Pricing

Plans, billing, free trials, and monthly prices.
Show
Plan-by-plan pricing comparison of DATAROMA and WhaleWisdom
Tier
DATAROMA logo
DATAROMACheaper start
WhaleWisdom logo
WhaleWisdom
Free plan—
Free
Entry paid plan—
$300/yr≈ $25/mo“Standard Annual”
Tier 2—
$90/qtr“Standard Quarterly”
Tier 3—
$500/yr≈ $41.67/mo“Pro Annual”
Top plan—
$150/qtr“Pro Quarterly”
Custom / enterprise—
Contact sales“Enterprise”

Questions we keep getting

What's the difference between DATAROMA and WhaleWisdom?

DATAROMA leans toward stock ideas, institutional ownership, and insider data, while WhaleWisdom puts more weight on institutional ownership, insider data, and stock ideas. They overlap in 3 categories, so for most people it comes down to workflow preference and price.

How much do DATAROMA and WhaleWisdom cost?

Good news: both DATAROMA and WhaleWisdom have free plans, so you can run them side by side and only pay if you hit a wall.

Does DATAROMA or WhaleWisdom have an API?

WhaleWisdom has an API for programmatic access and custom integrations. DATAROMA doesn't, so you're working through its interface.

Should I choose DATAROMA or WhaleWisdom?

It depends on what you're after. Pick DATAROMA if you prefer its overall approach; go with WhaleWisdom if you'd rather have screeners and backtesting. And if you only need the basics both share, let price decide.

What asset classes do DATAROMA and WhaleWisdom cover?

Both cover stocks and ETFs. WhaleWisdom adds closed-end funds, bonds, and options on top.

Can I export data from DATAROMA and WhaleWisdom?

WhaleWisdom exports to CSV and Excel. DATAROMA is stingier about getting data out.

Which has a better stock screener: DATAROMA or WhaleWisdom?

WhaleWisdom has a stock screener for surfacing ideas; DATAROMA doesn't, and focuses its energy elsewhere.

Feedback

Spot stale pricing, missing features, or a comparison that feels off? Send feedback on the verdict, table, alternatives, or recommendation.

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.