ISHARES TR

Ticker: IEF CUSIP: 464287440 Class: Fixed Income ETF

BERKSHIRE ASSET MANAGEMENT LLC/PA's Holding History (CIK: 0000949012)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025
Shares 35,899 Value ($000) $3,463 Avg Close — Range —
Q2 2025
Shares 39,896 Value ($000) $3,821 Avg Close — Range —
Q1 2025
Shares 40,988 Value ($000) $3,864 Avg Close — Range —
Q4 2024
Shares 45,819 Value ($000) $4,237 Avg Close — Range —
Q3 2024
Shares 40,111 Value ($000) $3,756 Avg Close — Range —
Q2 2024
Shares 40,111 Value ($000) $3,756 Avg Close — Range —
Q3 2019
Shares 4,952 Value ($000) $557 Avg Close — Range —
Q1 2019
Shares 5,017 Value ($000) $535 Avg Close — Range —