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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 (2015Q2)
Portfolio Summary: 10 holdings with a total value of $310,376,998.
#
Name
Shares
Value ($)
%
Options
Notes
1 BERKSHIRE HATHAWAY INC DEL 1,309,700 178,263,267 57.43%
2 US BANCORP DEL 1,410,000 61,194,000 19.72%
3 PLAINS ALL AMERN PIPELINE L 1,126,868 49,097,639 15.82%
4 LEVEL 3 COMM 133,334 7,022,702 2.26%
5 ENTERPRISE PRODS PARTNERS L 173,200 5,176,948 1.67%
6 Targa Resources Partners LP 100,000 3,860,000 1.24%
7 ENBRIDGE ENERGY PARTNERS L P 70,000 2,333,100 0.75%
8 ANADARKO PETR 22,000 1,717,320 0.55%
9 WilliamsPartnersLp 20,367 986,374 0.32%
10 KINDER MORGAN INC DEL 18,902 725,648 0.23%

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0000900440-25-000126, 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.