VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Sunday, May 31, 2026
Tool Comparison · Sunday, May 31, 2026
13F Insight vs InsideArbitrage
13F Insight vs InsideArbitrage: which investing tool fits your workflow? Compare pricing, features, platforms, and verdict in seconds.
13F Insight
13finsight.com
Best for investor holdings, and ai
- Pricing
- Free
- Platforms
- Web, API
InsideArbitrage
insidearbitrage.com
Best for calendar, and special situations
- Pricing
- Paid
- Platforms
- Web
Outbound links may include affiliate or sponsor codes.
Comparison snapshot
Who should choose which?
Choose
13F Insight if…
- You build with APIs or automate workflows
- You’re a long-term or value-focused investor
- You need tracks institutional investors, analyzes 13f filings, and shows what hedge funds are buying and selling.
- You need covers sec 13f institutional holdings, form 4 insider transactions, and 13d/g beneficial ownership reports.
Choose
InsideArbitrage if…
- You need real-time data, not delayed quotes
- You need merger arbitrage tool with announced‑deal lists, spread tracking, calendars and deal updates; ‘deals in the works’ and deal post‑mortems.
- You need insider data hub with ‘insider weekends’, cluster buys, buys near highs, flip‑floppers, top‑performing insiders and sector heat‑map.
- You need buyback suite: daily buyback announcements, searchable buyback history, ‘buyback wednesdays’, and ‘double dipper’ (insiders + buybacks).
Consider alternatives if…
- You want broader category coverage in one tool.
- Neither pricing tier fits your budget.
Side-by-side feature breakdown
| Attribute | 13F Insight | InsideArbitrage |
|---|---|---|
Asset types | StocksETFsOptionsBonds | StocksETFs |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North America | North America |
Data freshness | Not specified | Real-timeEnd of Day |
API access | Not specified | Not specified |
Export formats | Not specified | Not specified |
Seen enough? Open either tool and try it now.
Pricing breakdown
Tool
13F Insight
—
Starting price
Plans & pricing
Tool
InsideArbitrage
$100/mo
Starting price
Plans & pricing
Coverage overlap
Categories where both tools offer overlapping coverage.
Categories covered by 13F Insight only.
Categories covered by InsideArbitrage only.
Community category leaders
Vote sentiment comparison
Loading sentiment chart...
Still deciding? Get hands-on with both — most plans offer a free tier or trial.
Frequently Asked Questions
What's the difference between 13F Insight and InsideArbitrage?
13F Insight focuses on Data Visualizations, Watchlist, and Investor Holdings while InsideArbitrage specializes in News, Alerts, and Calendar. They overlap in 9 categories, so choose based on your preferred workflow and pricing.
How much do 13F Insight and InsideArbitrage cost?
Good news—both 13F Insight and InsideArbitrage offer free plans. You can try each platform without commitment and only pay when you need premium features.
Does 13F Insight or InsideArbitrage have an API?
13F Insight provides API access for programmatic data retrieval and custom integrations. InsideArbitrage doesn't currently offer an API, so you'll need to use their web interface.
Should I choose 13F Insight or InsideArbitrage?
Choose 13F Insight if you need Tracks institutional investors, analyzes 13F filings, and shows what hedge funds are buying and selling., and Covers SEC 13F institutional holdings, Form 4 insider transactions, and 13D/G beneficial ownership reports.. Go with InsideArbitrage if Merger Arbitrage Tool with announced‑deal lists, spread tracking, calendars and deal updates; ‘Deals in the Works’ and deal post‑mortems., and Insider data hub with ‘Insider Weekends’, cluster buys, buys near highs, flip‑floppers, top‑performing insiders and sector heat‑map. better fits how you invest.
What asset classes do 13F Insight and InsideArbitrage cover?
Both cover Stocks, and ETFs. 13F Insight also includes Options, and Bonds.
Does 13F Insight or InsideArbitrage have real-time data?
InsideArbitrage offers real-time data feeds, which is essential for active traders. 13F Insight uses delayed or end-of-day data, which works fine for longer-term investors who don't need up-to-the-second quotes.
Which has a better stock screener—13F Insight or InsideArbitrage?
InsideArbitrage includes a stock screener for finding investment ideas. 13F Insight focuses on other analytical tools.
Can I track my portfolio with 13F Insight or InsideArbitrage?
InsideArbitrage offers portfolio tracking features. 13F Insight is more focused on research and analysis.
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.