★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Friday, June 12, 2026
Tool Comparison · Friday, June 12, 2026
InsiderScore (VerityData | InsiderScore) vs WhaleWisdom
Trying to decide between InsiderScore (VerityData | InsiderScore) and WhaleWisdom? Here's how they compare on pricing, features, and platforms — and which one fits the way you invest.
InsiderScore (VerityData | InsiderScore)
Best for buybacks & authorizations and secondary offerings
Institutional‑grade datasets and research on insider transactions (Form 4), stock buybacks/authorizations, management changes, institutional holdings (13F/13D/13G), ATM offerings, Form 144, 10b5-1 disclosures, risk, transcript sentiment, and related event feeds. InsiderScore is now part of Verity’s VerityData suite. Delivery via web platform, token-authorized API, SFTP/download feeds, and multiple production file formats, with point-in-time variants available.
WhaleWisdom
Best for investor holdings and stock ideas
Aggregates 13F filings, Schedule 13D/G data, Form 4 insider activity, and institutional ownership tools so investors can follow fund positioning, build watchlists/filer groups, export data, and backtest crowding strategies. Free access remains available with limited tools and recent 13F history; the pricing page says there are no trial accounts, while much of the site can be explored for free. Current paid plans are Standard at $90/quarter or $300/year, Pro at $150/quarter or $500/year, and Enterprise by quote for team access, unlimited 13F API access, live data feed calls, and nightly FTP files.
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The verdict
The bottom line: InsiderScore (VerityData | InsiderScore) and WhaleWisdom cover a lot of the same ground — 6 shared categories, including insider data, institutional data, and 13f — so for the basics you won't go far wrong with either. The real difference is focus: only InsiderScore (VerityData | InsiderScore) gives you buybacks & authorizations and secondary offerings, and only WhaleWisdom gives you investor holdings and stock ideas.
Key differences at a glance
Free plan
WhaleWisdom
WhaleWisdom only
Broader coverage
WhaleWisdom
12 vs 10 categories
Desktop app
WhaleWisdom
WhaleWisdom only
Real-time data
InsiderScore (VerityData | InsiderScore)
InsiderScore (VerityData | InsiderScore) only
Beginner friendly
WhaleWisdom
WhaleWisdom only
Choose
InsiderScore (VerityData | InsiderScore) if…
- You care about buybacks & authorizations, secondary offerings, and watchlist — things WhaleWisdom doesn't offer
- Delayed quotes won't cut it — you need real-time data
Choose
WhaleWisdom if…
- You'd rather start free and only pay if you outgrow it
- You care about investor holdings, stock ideas, and screeners — things InsiderScore (VerityData | InsiderScore) doesn't offer
- You're newer to investing and want something approachable
Consider alternatives if…
- You'd rather have one tool that does it all.
- Neither price feels right for what you'd get.
Comparison snapshot
Standout features
What InsiderScore (VerityData | InsiderScore) does best
- Cleaned & context‑rich Form 4 dataset (history back to 2003/2004) with analyst review, 10b5‑1 plan tagging, and noise reduction (e.g., RSU/tax‑related sales).
- Comprehensive buyback database covering open plans initiated since at least 2004 plus quarterly and special updates, including ASRs, tender offers, Dutch auctions, and NCIBs; newer point-in-time feeds are documented.
- Institutional holdings feeds covering 13F, 13D, and 13G (PIT and historical), with instrument typing (e.g., common, ETFs, calls/puts, debt) and event flags.
- Management Changes database (CEO/CFO/Board and key officers) with ~40 fields per event and PDF report generation.
- ‘Unusual Event’ composite signals (e.g., buyback at low price with insider buying) for long/short idea generation.
What WhaleWisdom does best
- Track and analyze hedge-fund and institutional SEC filings including 13F quarterly reports, Schedule 13D/G events, Form 4 insider transactions, Form D, Form 144, N-CEN mutual-fund search, and Investment Adviser/Form ADV search tools.
- Free tier advertises past two years of 13F data, unlimited email alerts, filer groups up to 5 members, stock watchlists up to 5 stocks, backtesting over recent 13F history, and limited access to most site tools.
- 13F database history goes back to the March 31, 2001 quarter / Q1 2001; Standard and Pro unlock earlier historical 13F data, while Standard also lists historical 13D/G data back to 2006.
- Developer API uses the endpoint https://whalewisdom.com/shell/command, requires a registered account and API access keys/signatures or an authenticated browser session, and is limited to 20 requests per minute.
- API commands include quarters, stock_lookup, filer_lookup, stock_comparison, holdings_comparison, export, holdings, holders, and filer_metadata; outputs include HTML, JSON, and CSV depending on command.
Data & access details
| Attribute | InsiderScore (VerityData | InsiderScore) | WhaleWisdom |
|---|---|---|
Asset types | StocksETFsOptionsBonds | StocksETFsClosed-End FundsBondsOptions |
Experience | IntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North America | North America |
Data freshness | Real-timeEnd of Day | Not specified |
API access | REST | REST |
Export formats | CSVExcelJSONPDF | CSVExcelJSON |
Seen enough? The fastest way to decide is to open both and poke around for five minutes.
Pricing breakdown
Tool
InsiderScore (VerityData | InsiderScore)
—
Starting price
Plans & pricing
Tool
WhaleWisdom
$25/mo
Starting price
Plans & pricing
Coverage overlap
Where the two tools cover the same ground.
What you only get with InsiderScore (VerityData | InsiderScore).
What you only get with WhaleWisdom.
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 InsiderScore (VerityData | InsiderScore) and WhaleWisdom?
InsiderScore (VerityData | InsiderScore) leans toward insider data, institutional data, and 13f, while WhaleWisdom puts more weight on institutional data, 13f, and 13d/13g. They overlap in 6 categories, so for most people it comes down to workflow preference and price.
Is InsiderScore (VerityData | InsiderScore) or WhaleWisdom free to use?
WhaleWisdom has a free tier, so you can get started without paying anything. InsiderScore (VerityData | InsiderScore) is paid-only. If budget matters, start with WhaleWisdom and see how far it takes you before opening your wallet.
Which is better for beginners—InsiderScore (VerityData | InsiderScore) or WhaleWisdom?
WhaleWisdom is the friendlier place to start — its interface takes less getting used to. Both work fine once you're past the basics.
Do InsiderScore (VerityData | InsiderScore) and WhaleWisdom have APIs?
Yes — both offer API access, so developers and quants can pull data programmatically or wire up their own integrations.
Should I choose InsiderScore (VerityData | InsiderScore) or WhaleWisdom?
It depends on what you're after. Pick InsiderScore (VerityData | InsiderScore) if buybacks & authorizations and secondary offerings matter to you; go with WhaleWisdom if you'd rather have investor holdings and stock ideas. And if you only need the basics both share, let price decide.
What asset classes do InsiderScore (VerityData | InsiderScore) and WhaleWisdom cover?
Both cover stocks, ETFs, options, and bonds. WhaleWisdom adds closed-end funds on top.
Does InsiderScore (VerityData | InsiderScore) or WhaleWisdom have real-time data?
InsiderScore (VerityData | InsiderScore) offers real-time data, which matters if you trade actively. WhaleWisdom runs on delayed or end-of-day data — perfectly fine for longer-term investors who don't live and die by the tick.
Can I export data from InsiderScore (VerityData | InsiderScore) and WhaleWisdom?
Yes, both export to spreadsheets (CSV, Excel, and JSON) — handy if you like running your own numbers.
Which has a better stock screener—InsiderScore (VerityData | InsiderScore) or WhaleWisdom?
WhaleWisdom has a stock screener for surfacing ideas; InsiderScore (VerityData | InsiderScore) doesn't, and focuses its energy elsewhere.
Other tools you might like
These profiles share overlapping coverage with both sides of this matchup.
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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.