Institutional ownership data/ratios

anders_pank · 2025-02-10T10:44:21+00:00

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For my thesis, i am trying to gather monthly or quarterly institutional ownership data and ratios on US stock on a long time frame (preferably 1980-now). However, I have been working with the following python code, but are unable to as I do not have access to the product tr_13f which it is based on:

https://wrds-www.wharton.upenn.edu/pages/wrds-research/applications/institutional-ownership-research/institutional-ownership-concentration-and-breadth-ratios/

Does anyone have another method at hand? Preferably using python

Thanks

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raksina.samasiri

Hi @anders_pank ,

Could you please provide the code you've used and which product you have been using?

anders_pank

Hi!

Thanks.. I am now using the TR.CategoryOwnershipPct function in excel in a very manual fashion. Do you know any faster way to run it using code?

raksina.samasiri

Hi @anders_pank ,

Have you tried using get_data function of LSEG Data Library. This page also include overview, quick start guide, and documentations related to it. The example code can be found at https://github.com/LSEG-API-Samples/Example.DataLibrary.Python/blob/lseg-data-examples/Examples/1-Access/EX-1.01.01-GetData.ipynb

For example,

import lseg.data as ld
ld.open_session()
ld.get_data(universe=['LSEG.L', 'VOD.L'],fields=['TR.CategoryOwnershipPct'])

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