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>>manually approved · 474 tools indexed·since 2026
index / Dataroma vs OpenInsider

>_ Dataroma vs OpenInsider

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

Dataroma
OpenInsider
one-liner
Tracks 13F filings and portfolio holdings of 82 notable hedge fund managers and institutional investors
Tracks SEC Form 4 insider trading filings in real-time with screeners for cluster buys, officer purchases, and penny stock insider activity
best for
monitoring insider buying and selling patterns in us equities to generate trading ideas
key feature
aggregates and ranks superinvestor portfolio moves quarterly
real-time SEC Form 4 cluster buy detection (multiple insiders buying same stock)
who uses it
Retail
asset class
Equities
Equities
function
Research
Research, Screeners
strategies
Event-Driven / Special Situations, Value Investing, Fundamental Analysis
Event-Driven / Special Situations, Fundamental Analysis, Value Investing
workflow
Idea Generation, Research
instruments
Stocks
Stocks
regions
North America
North America
pricing
FREE
FREE
free tier
yes
yes
model
free
free
via
web
web
audience
retail
retail
upvotes
0
0

Dataroma vs OpenInsider: key differences

  • OpenInsider also covers idea generation, research in the workflow.
  • OpenInsider lists Retail users; Dataroma does not.

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.

Dataroma
Tracks 13F filings and portfolio holdings of 82 notable hedge fund managers and institutional investors
[↗] visit dataroma.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 Dataroma profile page, or the OpenInsider profile page.