13-D Filings
Dataset of 13D Filings with SEC by activist shareholders disclosing a beneficial ownership of 5% or more.
How to use
# For use in your algorithms
# Both free samples and full paid datasets will be available
# through this namespace
from quantopian.pipeline.data.eventvestor import _13DFilings

# To use built-in Pipeline factors for this dataset
from quantopian.pipeline.factors.eventvestor import BusinessDaysSince13DFilingsDate

# For use in Quantopian Research
# To try out the free sample
from quantopian.interactive.data.eventvestor import _13d_filings_free

# For using the full paid version
from quantopian.interactive.data.eventvestor import _13d_filings
Key Metrics
asof_date - EventVestor's timestamp of event capture
number_shares - the number of shares owned by the investor as per the 13D
acquiring_entity - the investor filing the 13D
Example Usage
Various notebooks, algorithms, and posts that use this data.

Vendor
Eventvestor provides accurate, timely, and actionable information. EventVestor brings structure and relevance to financial and business data, enabling better investment and business decisions, faster.
Price
$50/month
Timespan of data
22 Aug 2007 - Ongoing
Free data availability
22 Aug 2007 - 19 Oct 2015