Citadel Advisors’s Horizon Small/Mid Cap Core Equity ETF SMOX Stock Holding History

Citadel Advisors’s Portfolio SMOX Stock Details SMOX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-11,044	Closed	-$278K	–	14843
2025 Q4	$278K	Buy	+11,044	New	+$280K	﹤0.01%	10313

Other funds holding SMOX

Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

Sanctuary Advisors Indianapolis, Indiana $18.5B AUM 23.32% 1-Year Est. Return

Horizon Investments Charlotte, North Carolina $8.92B AUM 25.62% 1-Year Est. Return

Citadel Advisors's SMOX Position: Q1 2026 in Review

Citadel Advisors sold out of Horizon Small/Mid Cap Core Equity ETF (SMOX) in Q1 2026, closing a stake of 11,044 shares — an estimated $278K sold.

Citadel Advisors first reported a position in SMOX in Q4 2025 and held it in 1 quarter. The position peaked at $278K in Q4 2025. 3 funds tracked by Wall St. Rank hold SMOX as of Q1 2026.

Citadel Advisors reported no remaining Horizon Small/Mid Cap Core Equity ETF position as of Q1 2026 after selling out during the quarter.
Citadel Advisors sold 11,044 Horizon Small/Mid Cap Core Equity ETF shares in Q1 2026, an estimated $278K.
Citadel Advisors first reported a position in Horizon Small/Mid Cap Core Equity ETF in Q4 2025 and held it in 1 quarter.
Citadel Advisors's Horizon Small/Mid Cap Core Equity ETF position peaked at $278K in Q4 2025.
3 funds tracked by Wall St. Rank held Horizon Small/Mid Cap Core Equity ETF as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.