Monthly portfolio holdings reported by registered investment companies and ETFs
on Form N-PORT, published by the U.S. SEC as quarterly structured data sets
and mirrored here as typed, partitioned Parquet — queryable directly from DuckDB.
Source: SEC Form N-PORT Data Sets — public domain (U.S. Government work)
https://www.sec.gov/data-research/sec-markets-data/form-n-port-data-sets
Coverage: October 2019 onward, refreshed quarterly
Format: one Parquet… See the full description on the dataset page:
https://huggingface.co/datasets/trader298/sec-nport.