★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool comparison edition
Tool Comparison
QuickFS vs WhaleWisdom
QuickFS
Best for financials and data visualizations
Free • From $29/mo
WhaleWisdom
Best for institutional ownership and insider data
Free • From $300/yr
Outbound links may include affiliate or sponsor codes.
The verdict
The bottom line
QuickFS and WhaleWisdom cover a lot of the same ground (2 shared categories, APIs & data feeds and sheets / excel add-ins), so for the basics you won't go far wrong with either. WhaleWisdom simply does more: 8 categories to QuickFS's 4, including institutional ownership, insider data, and stock ideas. QuickFS counters by keeping things simpler.
Key differences at a glance
- Cheaper paid plan
- WhaleWisdom$25/mo vs $29/mo
- Broader coverage
- WhaleWisdom8 vs 4 categories
- Global coverage
- QuickFS
- Asset coverage
- WhaleWisdomAdds ETFs and closed-end funds
- Free plan
- Both
Choose
QuickFS if…
- You care about financials and data visualizations, things WhaleWisdom doesn't offer
Choose
WhaleWisdom if…
- You want the cheaper way in: plans start at $25/mo instead of $29/mo
- You care about institutional ownership, insider data, and stock ideas, things QuickFS doesn't offer
Comparison snapshot
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • From $29/mo | Free • From $300/yr |
Free tier | Yes | Yes |
Free trial | — | — |
| Platforms & access | ||
Web app | Yes | Yes |
Desktop app | Yes | Yes |
Mobile app | No | No |
API access | Yes | Yes |
Integrations | Microsoft Excel | WhaleWisdom Excel Add-in, Microsoft Office Store add-in +1 more |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | — |
Categories covered | 4 | 8 |
Regions | North America, Europe, APAC | North America |
| Data & capabilities | ||
Data quality | Latency: End of Day and Granularity: EOD | — |
Security | — | Data residency: US |
| Try it | Visit QuickFS | Visit WhaleWisdom |
Standout features
What QuickFS does best
- 20‑year history for 200+ standardized metrics and statements across 40,000+ international stocks.
- Excel add‑in with =QFS("ticker","metric","period") to pull data directly into models (Mac/Windows/Excel Online); Microsoft AppSource still lists the add-in and states a QuickFS account is required.
- Public REST API for fundamentals, market data, and company metadata; batch requests supported.
- One‑click Excel/CSV exports and bulk database downloads (full‑universe CSV files).
- Ticker format with country suffix (e.g., AAPL:US) and global coverage across U.S., Canada, Europe, Australia, and more.
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 | ||
|---|---|---|
| Coverage & fit | ||
Asset types | Stocks | StocksETFsClosed-End FundsBondsOptions |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North AmericaEuropeAPAC | North America |
Coverage details | 4 countriesIdentifiers: Ticker | Countries: USIdentifiers: Ticker, CUSIP, and CIK |
| Data | ||
Data freshness | End of Day | Not specified |
Data granularity | EOD | Not specified |
| Access & integrations | ||
API protocols | REST | REST |
API auth & delivery | Auth: APIKey | Auth: APIKey20 req/minDocs |
Integrations | Microsoft Excel | WhaleWisdom Excel Add-inMicrosoft Office Store add-inNightly FTP bulk files for Enterprise |
Export formats | CSVExcelJSON | CSVExcelJSON |
| Plans & trust | ||
Security & compliance | Not specified | Data residency: US |
Vendor & support | QuickFS.net, LLCSupport: Email | WhaleWisdom, LLCCountry: United StatesSupport: Email |
Curation ratings | Methodology 3/5Reliability 4/5UX 4/5 | Methodology 3/5Reliability 3/5UX 3/5 |
Green tags are exclusive to that tool in this comparison.
Pricing breakdown
$29/mo
Starting price
Plans & pricing
$300/yr
Lower starting price
Plans & pricing
Coverage overlap
Shared categories
2Where the two tools cover the same ground.
QuickFS strengths
2What you only get with QuickFS.
WhaleWisdom strengths
6What you only get with WhaleWisdom.
Community category leaders
Vote sentiment comparison
Loading sentiment chart...
Frequently Asked Questions
What's the difference between QuickFS and WhaleWisdom?
QuickFS leans toward financials, data visualizations, and APIs & data feeds, while WhaleWisdom puts more weight on institutional ownership, insider data, and stock ideas. They overlap in 2 categories, so for most people it comes down to workflow preference and price.
How much do QuickFS and WhaleWisdom cost?
Good news: both QuickFS and WhaleWisdom have free plans, so you can run them side by side and only pay if you hit a wall.
Do QuickFS 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 QuickFS or WhaleWisdom?
It depends on what you're after. Pick QuickFS if financials and data visualizations matter to you; go with WhaleWisdom if you'd rather have institutional ownership and insider data. And if you only need the basics both share, let price decide.
What asset classes do QuickFS and WhaleWisdom cover?
Both cover stocks. WhaleWisdom adds ETFs, closed-end funds, and bonds on top.
Which covers international markets: QuickFS or WhaleWisdom?
QuickFS has documented international coverage (North America, Europe, and APAC), so it's the safer bet if you hold non-US stocks. WhaleWisdom is more region-specific, mainly North America.
Can I export data from QuickFS and WhaleWisdom?
Yes, both export to spreadsheets (CSV and Excel), which is handy if you like running your own numbers.
Which has a better stock screener: QuickFS or WhaleWisdom?
WhaleWisdom has a stock screener for surfacing ideas; QuickFS doesn't, and focuses its energy elsewhere.
Other tools you might like
These profiles share overlapping coverage with both sides of this matchup.
Keep Exploring
Global rankings of the highest-rated tools across all categories.
Ranked list of companies with durable competitive advantages.
Proven models entering their growth phase with solid economics.
Track votes, sentiment, and engagement across the community.
Learn moat types, red flags, and real-company examples.
Browse other head-to-head tool comparisons and alternatives.
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.