VOL. XCIV, NO. 247
BEST INVESTING TOOLS COMPARISON
Source checks: 13f.info checked September 30, 2026 · AUM 13F checked September 24, 2026
Tool Comparison
13f.info vs AUM 13F
- Paid from
- —
- Free plan
- Yes
- Platforms
- Web
Best if
- You're newer to investing and want something approachable
- You're a long-term investor who cares more about fundamentals than headlines
- Paid from
- $29/mo
- Free plan
- Yes
- Platforms
- Web
Best if
- You want insider data, watchlist, and alerts.
- You've outgrown the basics and want pro-level depth
Pick 13f.info if
13f.info
Free · Web
- You're newer to investing and want something approachable
- You're a long-term investor who cares more about fundamentals than headlines
Pick AUM 13F if
AUM 13F
Free • From $29/mo · Web
- You want insider data, watchlist, and alerts.
- 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
13f.info and AUM 13F cover a lot of the same ground (3 shared categories, institutional ownership, improved filings, and data visualizations), so for the basics you won't go far wrong with either. AUM 13F simply does more: 6 categories to 13f.info's 3, including insider data, watchlist, and alerts. 13f.info counters by being completely free.
What readers say
13f.info
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AUM 13F
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Key differences at a glance
- Broader coverage
- AUM 13F6 vs 3 categories
- Beginner friendly
- 13f.info
- 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 AUM 13F does best
- Research coverage for asset managers using public filing sources such as EDGAR, IAPD, and CAFR-linked records.
- Browsing access to large-manager AUM rankings, firm profiles, AUM history, AUM breakdowns, and manager-level holdings context.
- Filters for managers by fund type, tags, location, AUM size, and related public-filing attributes.
- Direct access to firm pages that combine AUM data, Form 13F holdings, sector views, and links to underlying filing documents.
- The latest EDGAR filings feed with filing-type filters for 13F, Form D, 8-K, 10-Q, 10-K, insider forms, and other disclosures.
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 $29/mo |
Free tier | Yes | Yes |
Free trial | — | — |
Plan limits | — | Free: daily views: Limited (not disclosed) |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | No | No |
| Audience & fit | ||
Experience level | Beginner, Intermediate | Intermediate, Advanced |
Best for | Value Investors, Analysts +1 more | Institutional Investors and Analysts |
Categories covered | 3 | 6 |
Regions | — | — |
| Try it | Visit 13f.info | Visit AUM 13F |
Standout features
The best features of 13f.info and AUM 13F.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 AUM 13F does best
- Research coverage for asset managers using public filing sources such as EDGAR, IAPD, and CAFR-linked records.
- Browsing access to large-manager AUM rankings, firm profiles, AUM history, AUM breakdowns, and manager-level holdings context.
- Filters for managers by fund type, tags, location, AUM size, and related public-filing attributes.
- Direct access to firm pages that combine AUM data, Form 13F holdings, sector views, and links to underlying filing documents.
- The latest EDGAR filings feed with filing-type filters for 13F, Form D, 8-K, 10-Q, 10-K, insider forms, and other disclosures.
All details
Every attribute we track for 13f.info and AUM 13F.ShowHide
All details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFsOptions | StocksETFsHedge FundsPrivate FundsReal EstateFunds |
Experience | BeginnerIntermediate | IntermediateAdvanced |
Target audience | Value InvestorsAnalystsStudents/Researchers | Institutional InvestorsAnalysts |
Coverage details | Identifiers: CUSIP and CIK | Identifiers: CIK, CUSIP, and Ticker |
| Plans & trust | ||
Vendor & support | Support: Email | Chen Software LLCSupport: Email |
Green tags are exclusive to that tool in this comparison.
Pricing
Plans, billing, free trials, and monthly prices.ShowHide
Pricing
| Tier | ||
|---|---|---|
| Free plan | Free | Freedaily views: Limited (not disclosed) |
| Entry paid plan | — | $29/mo“Subscription” |
Alternatives
Free alternatives
Questions we keep getting
What's the difference between 13f.info and AUM 13F?
13f.info leans toward institutional ownership, improved filings, and data visualizations, while AUM 13F puts more weight on institutional ownership, insider data, and improved filings. They overlap in 3 categories, so for most people it comes down to workflow preference and price.
How much do 13f.info and AUM 13F cost?
Good news: both 13f.info and AUM 13F 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 AUM 13F?
13f.info is the friendlier place to start; its interface takes less getting used to. AUM 13F assumes more experience, and rewards it with deeper analytics.
Should I choose 13f.info or AUM 13F?
It depends on what you're after. Pick 13f.info if you prefer its overall approach; go with AUM 13F if you'd rather have insider data and watchlist. And if you only need the basics both share, let price decide.
What asset classes do 13f.info and AUM 13F cover?
Both cover stocks and ETFs. 13f.info also handles options. AUM 13F adds hedge funds, private funds, and real estate on top.
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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.