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Disclosery

TETRAD CORP

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13F filer, CIK 883597, Omaha, NE

TETRAD CORP reported $1,039,889,416 across 3 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-01-07.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0000900440-26-000001

Period
2025-12-31
Reported value
$1.04B
Holdings
3
Top 10 weight
100%
New
0
Sold out
0

Largest buys vs the previous quarter

None.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
USBreduced-698,500-$37.3M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q4 2025

Share positions as resolved from 13F-HR 0000900440-26-000001, largest first. % of portfolio is the value over $1,039,889,416, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
BRK-BBERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: restricted; 2024Q4: 1,923,123 shares; 2025Q1: 1,923,123 shares; 2025Q2: 1,923,123 shares; 2025Q3: 1,923,123 shares; 2025Q4: 1,923,123 shares 1,923,123$967M92.96%0Timeline
USBUS BANCORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: restricted; 2024Q4: 1,410,000 shares; 2025Q1: 1,410,000 shares; 2025Q2: 1,410,000 shares; 2025Q3: 1,410,000 shares; 2025Q4: 711,500 shares 711,500$38M3.65%-698,500Timeline
EPDENTERPRISE PRODS PARTNERS LQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: restricted; 2024Q4: 1,100,000 shares; 2025Q1: 1,100,000 shares; 2025Q2: 1,100,000 shares; 2025Q3: 1,100,000 shares; 2025Q4: 1,100,000 shares 1,100,000$35.3M3.39%0Timeline

How Q4 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0000900440-26-000001 base2026-01-07acceptance time not in the bulk data set