CUBWW ETF Ownership and Portfolio Weights

FILED AND SPONSOR-REPORTED ETF HOLDINGS

CUBWW Included in ETFs

Dates are first observed in retained official snapshots; “baseline” means the security was already present in the earliest retained snapshot and is not an invented original addition date.

Current ETFs holding CUBWW

2 latest ETF portfolios currently report this security.

ETF	Fund	Weight	Added / first observed	Latest report
SPAQ	Horizon Kinetics SPAC Active ETF	0.024411%	2025-12-31 (baseline)	2026-03-31
SPCZ	Rivernorth Enhanced Pre-Merger SPAC ETF	0.008341%	2025-12-31 (baseline)	2026-03-31

Previous ETFs holding CUBWW

No previous ETF membership has been observed within the retained snapshot history.