1RT ACQUISITION CORP.

Ticker: ONCHU CUSIP: G6757R121 Class: UNIT 06/26/2030

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q4 2025
Shares 176,630 Value ($000) $1,830 Avg Close — Range —
Q3 2025
Shares 200,000 Value ($000) $2,098 Avg Close — Range —