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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 (2015Q3)
Portfolio Summary: 10 holdings with a total value of $280,117,574.
#
Name
Shares
Value ($)
%
Options
Notes
1 BERKSHIRE HATHAWAY INC DEL 1,309,700 170,784,880 60.97%
2 US BANCORP DEL 1,410,000 57,824,100 20.64%
3 PLAINS ALL AMERN PIPELINE L 1,126,868 34,234,250 12.22%
4 LEVEL 3 COMM 133,334 5,825,362 2.08%
5 ENTERPRISE PRODS PARTNERS L 173,200 4,312,680 1.54%
6 Targa Resources Partners LP 100,000 2,904,000 1.04%
7 ENBRIDGE ENERGY PARTNERS L P 70,000 1,730,400 0.62%
8 ANADARKO PETR 22,000 1,328,580 0.47%
9 WilliamsPartnersLp 20,367 650,115 0.23%
10 KINDER MORGAN INC DEL 18,902 523,207 0.19%

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0000900440-25-000127, 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.