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>>manually approved · 474 tools indexed·since 2026
index / Alpha-File vs OpenInsider

>_ Alpha-File vs OpenInsider

Alpha-File and OpenInsider, side-by-side. Compare the facts below, then pick the one that fits your workflow.

Alpha-File
OpenInsider
one-liner
Tracks hedge fund, mutual fund, and activist investor holdings aggregated from 13F, N-PORT, and beneficial-ownership filings across multiple sources
Tracks SEC Form 4 insider trading filings in real-time with screeners for cluster buys, officer purchases, and penny stock insider activity
best for
tracking specific hedge funds, mutual funds, and activist investors to see their quarterly position changes and portfolio evolution
monitoring insider buying and selling patterns in us equities to generate trading ideas
key feature
tracks every buy, sell, add, trim across custom manager watchlists
real-time SEC Form 4 cluster buy detection (multiple insiders buying same stock)
who uses it
Retail, Hedge Fund, Mutual Fund, Investment Bank, RIA, Family Office
Retail
asset class
Equities
Equities
function
Research, Portfolio Tracking
Research, Screeners
strategies
Event-Driven / Special Situations, Fundamental Analysis, Value Investing
Event-Driven / Special Situations, Fundamental Analysis, Value Investing
workflow
Research, Monitoring
Idea Generation, Research
instruments
Stocks, ETFs
Stocks
regions
North America
North America
pricing
FREE
FREE
free tier
yes
yes
model
freemium
free
via
web
web
audience
retail
retail
upvotes
0
0

Alpha-File vs OpenInsider: key differences

  • Alpha-File also covers monitoring in the workflow.
  • OpenInsider also covers idea generation in the workflow.
  • Alpha-File lists Hedge Fund, Mutual Fund, Investment Bank, RIA, Family Office users; OpenInsider does not.

about Alpha-File

aggregates hedge fund, mutual fund, and activist investor holdings from 13F, N-PORT, and beneficial-ownership filings. users build custom watchlists of managers and track every buy, sell, add, trim, and portfolio shift through data visualizations and filings from multiple sources.

about OpenInsider

openinsider tracks sec form 4 insider trading filings in real-time, displaying purchases and sales by corporate insiders. screeners filter for cluster buys (multiple insiders buying the same stock), officer purchases, penny stock insider activity, and transactions by size/role.

Alpha-File
Tracks hedge fund, mutual fund, and activist investor holdings aggregated from 13F, N-PORT, and beneficial-ownership filings across multiple sources
[↗] visit alpha-file.com
OpenInsider
Tracks SEC Form 4 insider trading filings in real-time with screeners for cluster buys, officer purchases, and penny stock insider activity
[↗] visit openinsider.com

See full data, pricing and alternatives on the Alpha-File profile page, or the OpenInsider profile page.