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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 (2015Q1)
Portfolio Summary: 10 holdings with a total value of $328,706,137.
#
Name
Shares
Value ($)
%
Options
Notes
1 BERKSHIRE HATHAWAY INC DEL 1,309,700 189,015,904 57.50%
2 US BANCORP DEL 1,410,000 61,574,700 18.73%
3 PLAINS ALL AMERN PIPELINE L 1,126,868 54,957,352 16.72%
4 LEVEL 3 COMM 133,334 7,178,703 2.18%
5 ENTERPRISE PRODS PARTNERS L 173,200 5,703,476 1.74%
6 Targa Resources Partners LP 100,000 4,136,000 1.26%
7 ENBRIDGE ENERGY PARTNERS L P 70,000 2,520,700 0.77%
8 ANADARKO PETR 22,000 1,821,820 0.55%
9 WilliamsPartnersLp 20,367 1,002,464 0.30%
10 KINDER MORGAN INC DEL 18,902 795,018 0.24%

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0000900440-25-000125, 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.