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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 (2016Q4)
Portfolio Summary: 8 holdings with a total value of $336,301,622.
#
Name
Shares
Value ($)
%
Options
Notes
1 BERKSHIRE HATHAWAY INC DEL 1,309,700 213,454,906 63.47%
2 US BANCORP DEL 1,410,000 72,431,700 21.54%
3 PLAINS ALL AMERN PIPELINE L 1,126,868 36,386,568 10.82%
4 LEVEL 3 COMM 100,000 5,636,000 1.68%
5 ENTERPRISE PRODS PARTNERS L 173,200 4,683,328 1.39%
6 ENBRIDGE ENERGY PARTNERS L P 70,000 1,783,600 0.53%
7 ANADARKO PETR 22,000 1,534,060 0.46%
8 KINDER MORGAN INC DEL 18,902 391,460 0.12%

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0000900440-25-000132, 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.