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Institutional Investment Manager
TETRAD CORP
TETRAD CORP (CIK: 0000883597) incorporated in Wyoming, located at 10340 North 84th Street, Omaha, NE. Institutional holdings reported to the SEC.

Institutional Holdings (2016Q1)
Portfolio Summary: 8 holdings with a total value of $280,637,974.
#
Name
Shares
Value ($)
%
Options
Notes
1 BERKSHIRE HATHAWAY INC DEL 1,309,700 185,820,236 66.21%
2 US BANCORP DEL 1,410,000 57,231,900 20.39%
3 PLAINS ALL AMERN PIPELINE L 1,126,868 23,630,422 8.42%
4 LEVEL 3 COMM 133,334 7,046,702 2.51%
5 ENTERPRISE PRODS PARTNERS L 173,200 4,264,184 1.52%
6 ENBRIDGE ENERGY PARTNERS L P 70,000 1,282,400 0.46%
7 ANADARKO PETR 22,000 1,024,540 0.37%
8 KINDER MORGAN INC DEL 18,902 337,590 0.12%

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0000900440-25-000129, filed 2025.08.01).

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.