Tool Comparison
13f.info vs WhaleWisdom
- Paid from
- —
- Free plan
- Yes
- Platforms
- Web
Best if
- You want improved filings and data visualizations.
- You're a long-term investor who cares more about fundamentals than headlines
- Paid from
- $300/yr, billed annually
- Free plan
- Yes
- Platforms
- Web, API, Desktop
Best if
- You want an API so you can script or automate things
- You want insider data, stock ideas, and screeners.
- You've outgrown the basics and want pro-level depth
Pick 13f.info instead if
13f.info
Free · Web
- You want improved filings and data visualizations.
- You're a long-term investor who cares more about fundamentals than headlines
Start here
WhaleWisdom
Free • From $300/yr, billed annually · Web · API · Desktop
- You want an API so you can script or automate things
- You want insider data, stock ideas, and screeners.
- You've outgrown the basics and want pro-level depth
Skip both if: Neither one clicks with how you research; there are strong third options.
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Our take
The bottom line
WhaleWisdom simply does more: 8 categories to 13f.info's 3, including insider data, stock ideas, and screeners. 13f.info counters by being completely free. On paper they're closely matched, so let pricing, platform fit, and the details below break the tie.
What readers say
13f.info
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WhaleWisdom
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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
What 13f.info does best
- Find institutional portfolio disclosures.
- Inspect reported position changes.
- Trace a manager's reported investment over time.
- Find managers reporting a specific holding.
- Follow links to original SEC documents.
What WhaleWisdom does best
- Tracks SEC filings including 13F reports, Schedule 13D/G events, Form 4 insider transactions, Form D, Form 144, N-CEN, and Form ADV.
- Monitors hedge funds, institutional filers, stock holders, filer groups, and stock watchlists.
- Review 13F history back to Q1 2001 on paid plans, while free access focuses on recent history and smaller limits.
- WhaleIndex, WhaleScore, WhaleTrader, Combined Holdings, and insider backtesting features on eligible paid plans.
- Export support for holdings and dashboard data through CSV, Excel, JSON, and the WhaleWisdom Excel Add-in depending on plan.
Side by side
Pricing comparison
See for yourself
Side by side
Price, platforms, data, and market coverage.ShowHide
Side by side
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free | Free • From $300/yr, billed annually |
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 |
| Audience & fit | ||
Experience level | Beginner, Intermediate | Beginner, Intermediate, Advanced |
Best for | Value Investors, Analysts +1 more | — |
Categories covered | 3 | 8 |
Regions | — | North America |
| Data & capabilities | ||
Security | — | Data residency: US |
| Try it | Visit 13f.info | Visit WhaleWisdom |
Standout features
The best features of 13f.info and WhaleWisdom.ShowHide
Standout features
What 13f.info does best
- Find institutional portfolio disclosures.
- Inspect reported position changes.
- Trace a manager's reported investment over time.
- Find managers reporting a specific holding.
- Follow links to original SEC documents.
What WhaleWisdom does best
- Tracks SEC filings including 13F reports, Schedule 13D/G events, Form 4 insider transactions, Form D, Form 144, N-CEN, and Form ADV.
- Monitors hedge funds, institutional filers, stock holders, filer groups, and stock watchlists.
- Review 13F history back to Q1 2001 on paid plans, while free access focuses on recent history and smaller limits.
- WhaleIndex, WhaleScore, WhaleTrader, Combined Holdings, and insider backtesting features on eligible paid plans.
- 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 13f.info and WhaleWisdom.ShowHide
All details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFsOptions | StocksETFsClosed-End FundsBondsOptions |
Experience | BeginnerIntermediate | BeginnerIntermediateAdvanced |
Target audience | Value InvestorsAnalystsStudents/Researchers | Not specified |
Regions | Not specified | North America |
Coverage details | Identifiers: CUSIP and CIK | 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 | Support: Email | 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.ShowHide
Pricing
| Tier | ||
|---|---|---|
| Free plan | Free | Free |
| Entry paid plan | — | $300/yrBilled annually≈ $25/mo“Standard Annual” |
| Tier 2 | — | $90/qtr“Standard Quarterly” |
| Tier 3 | — | $500/yrBilled annually≈ $41.67/mo“Pro Annual” |
| Top plan | — | $150/qtr“Pro Quarterly” |
| Custom / enterprise | — | Contact sales“Enterprise” |
Alternatives
Free alternatives
Questions we keep getting
What's the difference between 13f.info and WhaleWisdom?
13f.info leans toward institutional ownership, improved filings, and data visualizations, while WhaleWisdom puts more weight on institutional ownership, insider data, and stock ideas. They overlap in 1 categories, so for most people it comes down to workflow preference and price.
How much do 13f.info and WhaleWisdom cost?
Good news: both 13f.info and WhaleWisdom have free plans, so you can run them side by side and only pay if you hit a wall.
Which is better for beginners: 13f.info or WhaleWisdom?
Honestly, neither is aimed at beginners. Expect a learning curve either way; that's the trade-off for the depth they offer.
Does 13f.info or WhaleWisdom have an API?
WhaleWisdom has an API for programmatic access and custom integrations. 13f.info doesn't, so you're working through its interface.
Should I choose 13f.info or WhaleWisdom?
It depends on what you're after. Pick 13f.info if improved filings and data visualizations matter to you; go with WhaleWisdom if you'd rather have insider data and stock ideas. And if you only need the basics both share, let price decide.
What asset classes do 13f.info and WhaleWisdom cover?
Both cover stocks, ETFs, and options. WhaleWisdom adds closed-end funds and bonds on top.
Can I export data from 13f.info and WhaleWisdom?
WhaleWisdom exports to CSV and Excel. 13f.info is stingier about getting data out.
Which has a better stock screener: 13f.info or WhaleWisdom?
WhaleWisdom has a stock screener for surfacing ideas; 13f.info doesn't, and focuses its energy elsewhere.
Keep researching
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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.