★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool comparison edition
Tool Comparison
13F Insight vs Insider Monitor
Start here
13F Insight
Free • Contact for pricing · Web · API
- You want an API so you can script or automate things
- You care about data visualizations, watchlist, and institutional ownership, things Insider Monitor doesn't offer
- You're a long-term investor who cares more about fundamentals than headlines
Pick Insider Monitor instead if
Insider Monitor
Free · Web
- Delayed quotes won't cut it; you need real-time data
Skip both if: Neither one clicks with how you research; there are strong third options.
See alternativesOutbound links may include affiliate or sponsor codes.
Our take
The bottom line
13F Insight and Insider Monitor cover a lot of the same ground (2 shared categories, regulatory filings monitoring and insider data), so for the basics you won't go far wrong with either. 13F Insight simply does more: 10 categories to Insider Monitor's 2, including data visualizations, watchlist, and institutional ownership. Insider Monitor counters by being completely free.
What readers say
13F Insight
Vote once to reveal the community verdict.
Insider Monitor
Vote once to reveal the community verdict.
Key differences at a glance
- Real-time data
- Insider Monitor
- Broader coverage
- 13F Insight10 vs 2 categories
- API access
- 13F Insight
- Free plan
- Both
See for yourself
How they stack up
The side-by-side table: pricing, platforms, data, and coverage at a glance.ShowHide
How they stack up
The side-by-side table: pricing, platforms, data, and coverage at a glance.| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • Contact for pricing | Free |
Free tier | Yes | Yes |
Free trial | — | — |
Plan limits | 3 limits: Free: watchlist items: 5, Standard: watchlist items: 20 +1 more | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | Yes | No |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Retail Traders, Pro Retail +3 more | — |
Categories covered | 10 | 2 |
Regions | North America | North America |
| Data & capabilities | ||
Data quality | — | 3 signals: Latency: Real-time, Corporate actions: PointInTime +1 more |
Capabilities | AI summaries: Filings | — |
Security | Encryption in transit | — |
| Try it | Visit 13F Insight | Visit Insider Monitor |
Where each one shines
What 13F Insight and Insider Monitor each do best.ShowHide
Where each one shines
What 13F Insight and Insider Monitor each do best.What 13F Insight does best
- Tracking institutional 13F holdings, Form 4 insider transactions, and 13D/G beneficial ownership reports from one filing-focused workspace.
- Research coverage for more than 30,000 institutional filers with indexed filing history, AUM context, current holdings, and position-change views.
- The AI Agent on filer, stock, and insider pages to ask plain-English questions over real SEC filings with sourced citations.
- Views for reviewing AI-generated filing summaries, position-change analysis, and unusual-activity alerts as a starting point for research.
- Tools for building filer and stock watchlists, with free and paid tiers setting different watchlist limits.
What Insider Monitor does best
- Browsing access to a real-time insider tape with purchases and sales, filing timestamps, issuer details, insider roles, transaction values, and direct SEC filing links.
- Officer cluster-buy reports to find tickers bought by multiple corporate officers over the past two weeks.
- Views for reviewing weekly and monthly top-10 lists for the largest insider purchases when looking for high-value Form 4 activity.
- Direct access to company and trader pages for per-issuer and per-insider transaction history, monthly summaries, year summaries, CIK references, and SEC source links.
- Industry views to compare Form 4 filing counts across broad industry divisions since 2020.
Every detail we compared
Every tracked attribute for 13F Insight and Insider Monitor, side by side.ShowHide
Every detail we compared
Every tracked attribute for 13F Insight and Insider Monitor, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFsOptionsBonds | StocksClosed-End Funds |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Retail TradersPro RetailValue InvestorsGrowth InvestorsAnalysts | Not specified |
Regions | North America | North America |
Coverage details | Countries: USIdentifiers: Ticker, CUSIP, and CIK | Countries: US5 exchangesIdentifiers: Ticker |
| Data | ||
Data freshness | Not specified | Real-time |
| Plans & trust | ||
Security & compliance | Encryption in transit | Not specified |
Capability signals | AI summaries: Filings | Not specified |
Vendor & support | 13F InsightSupport: Email | Insider MonitorSupport: Email |
Curation ratings | Not specified | Methodology 2/5Reliability 3/5UX 3/5 |
Green tags are exclusive to that tool in this comparison.
What you'll actually pay
Plans, billing, trials, and per-month pricing for both tools.ShowHide
What you'll actually pay
Plans, billing, trials, and per-month pricing for both tools.| Tier | ||
|---|---|---|
| Free plan | Freewatchlist items: 5 | Free |
| Entry paid plan | Subscription“Standard”watchlist items: 20 | — |
| Top plan | Subscription“Pro”watchlist items: 100 | — |
| Custom / enterprise | Contact sales“Enterprise” | — |
Questions we keep getting
What's the difference between 13F Insight and Insider Monitor?
13F Insight leans toward data visualizations, watchlist, and institutional ownership, while Insider Monitor puts more weight on insider data and regulatory filings monitoring. They overlap in 2 categories, so for most people it comes down to workflow preference and price.
How much do 13F Insight and Insider Monitor cost?
Good news: both 13F Insight and Insider Monitor have free plans, so you can run them side by side and only pay if you hit a wall.
Does 13F Insight or Insider Monitor have an API?
13F Insight has an API for programmatic access and custom integrations. Insider Monitor doesn't, so you're working through its interface.
Should I choose 13F Insight or Insider Monitor?
It depends on what you're after. Pick 13F Insight if data visualizations and watchlist matter to you; go with Insider Monitor if you prefer its overall approach. And if you only need the basics both share, let price decide.
What asset classes do 13F Insight and Insider Monitor cover?
Both cover stocks. 13F Insight also handles ETFs, options, and bonds. Insider Monitor adds closed-end funds on top.
Does 13F Insight or Insider Monitor have real-time data?
Insider Monitor offers real-time data, which matters if you trade actively. 13F Insight runs on delayed or end-of-day data, which is perfectly fine for longer-term investors who don't live and die by the tick.
Keep researching
More comparisons to check
Other tools you might like
Keep Exploring
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.