Institutional Manager · CIK 0000883597

TETRAD CORP

OMAHA, NE · File #028-25678

Latest AUM

$1.04B

Positions

Top-10 Concentration

100.0%

Filings

Portfolio Value Over Time

2025-06

2025-09

2025-12

Biggest QoQ Changes

Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.

Action	Issuer	Ticker / CUSIP	Δ Shares	Flow ($)	Price Effect
REDUCE	US BANCORP DEL	USB-PS	-698,500	-$37.3M	+$7.1M
REDUCE	BERKSHIRE HATHAWAY INC DEL	BRK-A	0	$0	-$173,081
REDUCE	ENTERPRISE PRODS PARTNERS LP	293792107	0	$0	+$869,000

Filing History

Jan 7, 202613F HOLDINGS REPORTQ/E Dec 20253 pos · $1.04B
Nov 6, 202513F HOLDINGS REPORTQ/E Sep 20253 pos · $1.07B
Aug 5, 202513F HOLDINGS REPORTQ/E Jun 20253 pos · $1.03B
Aug 1, 202513F HOLDINGS REPORTQ/E Jun 20258 pos · $336.3M
Aug 1, 202513F HOLDINGS REPORTQ/E Jun 20256 pos · $350.3M
Aug 1, 202513F HOLDINGS REPORTQ/E Jun 20258 pos · $280.6M
Aug 1, 202513F HOLDINGS REPORTQ/E Jun 20258 pos · $82.5M
Aug 1, 202513F HOLDINGS REPORTQ/E Jun 202529 pos · $240.4M
Aug 1, 202513F HOLDINGS REPORTQ/E Jun 202511 pos · $202.2M
Aug 1, 202513F HOLDINGS REPORTQ/E Jun 20258 pos · $292.6M
Aug 1, 202513F HOLDINGS REPORTQ/E Jun 20253 pos · $396.9M
Aug 1, 202513F HOLDINGS REPORTQ/E Jun 20254 pos · $342.4M
Aug 1, 202513F HOLDINGS REPORTQ/E Jun 202514 pos · $241.9M
Aug 1, 202513F HOLDINGS REPORTQ/E Jun 20253 pos · $384.8M
Aug 1, 202513F HOLDINGS REPORTQ/E Jun 20254 pos · $369.9M
Aug 1, 202513F HOLDINGS REPORTQ/E Jun 202530 pos · $217.6M
Aug 1, 202513F HOLDINGS REPORTQ/E Jun 202532 pos · $209.3M
Aug 1, 202513F HOLDINGS REPORTQ/E Jun 20254 pos · $258.4M
Aug 1, 202513F HOLDINGS REPORTQ/E Jun 20253 pos · $1.12B
Aug 1, 202513F HOLDINGS REPORTQ/E Jun 202511 pos · $343.0M

Top 3 Holdings — Dec 2025

#	Issuer	Ticker	Shares	Value	% of Portfolio
1	BERKSHIRE HATHAWAY INC DEL	BRK-A	1,923,123	$966.7M	92.96%
2	US BANCORP DEL	USB-PS	711,500	$38.0M	3.65%
3	ENTERPRISE PRODS PARTNERS LP	293792107	1,100,000	$35.3M	3.39%