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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 (2015Q4)
Portfolio Summary: 10 holdings with a total value of $275,992,530.
#
Name
Shares
Value ($)
%
Options
Notes
1 BERKSHIRE HATHAWAY INC DEL 1,309,700 172,932,788 62.66%
2 US BANCORP DEL 1,410,000 60,164,700 21.80%
3 PLAINS ALL AMERN PIPELINE L 1,126,868 26,030,651 9.43%
4 LEVEL 3 COMM 133,334 7,248,036 2.63%
5 ENTERPRISE PRODS PARTNERS L 173,200 4,430,456 1.61%
6 Targa Resources Partners LP 100,000 1,653,000 0.60%
7 ENBRIDGE ENERGY PARTNERS L P 70,000 1,614,900 0.59%
8 ANADARKO PETR 22,000 1,068,760 0.39%
9 WilliamsPartnersLp 20,367 567,221 0.21%
10 KINDER MORGAN INC DEL 18,902 282,018 0.10%

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0000900440-25-000128, 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.