Skip to content
S
SEC Filings Hub
Explore
Search firms, companies, tickers…
Ctrl/⌘ K
Live feed
Filing
13F-HR
13F-HR
0000900440-25-000145
·
TETRAD CORP
Filer
Filing index
Filing metadata
Accession number
0000900440-25-000145
Form type
13F-HR
Filer
TETRAD CORP
CIK
CIK 883597
Filed
Aug 01, 2025
Reporting period
Dec 31, 2019
Description
Institutional holdings
Documents
Filing index
0000900440-25-000145-index.htm
Complete submission
0000900440-25-000145.txt
All documents
directory listing
Filed by
TETRAD CORP
CIK 883597
Explore SEC Filings Hub
Overview
Explore
Funds & firms
Most held stocks
Politicians
Company insiders
Policy & Legislation
Research
Compare investors
Find a security
Latest filings