BLACKROCK ETF TRUST

Ticker: DYNF CUSIP: 09290C103 Class: ISHARES US EQUIT

Mainstream Capital Management LLC's Holding History (CIK: 0002043084)

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

Q4 2025
Shares 5,809 Value ($000) $353 Avg Close — Range —
Q3 2025
Shares 5,668 Value ($000) $336 Avg Close — Range —
Q2 2025
Shares 5,660 Value ($000) $308 Avg Close — Range —
Q1 2025
Shares 5,656 Value ($000) $276 Avg Close — Range —
Q4 2024
Shares 4,116 Value ($000) $211 Avg Close — Range —