Citadel Advisors’s American Century Short Duration Strategic Income ETF SDSI Stock Holding History

Citadel Advisors's SDSI Position: Q2 2026 in Review

Citadel Advisors increased its American Century Short Duration Strategic Income ETF (SDSI) stake by 160% in Q2 2026, buying an estimated $529K and bringing the position to 16,739 shares worth $860K. The position accounts for ﹤0.01% of the portfolio, ranked #8590.

Citadel Advisors first reported a position in SDSI in Q1 2024 and has held it in 7 quarters since. The position peaked at $1.72M in Q3 2025. 43 funds tracked by Wall St. Rank hold SDSI as of Q2 2026.

• Citadel Advisors held 16,739 shares of American Century Short Duration Strategic Income ETF worth $860K as of Q2 2026.
• Citadel Advisors bought 10,304 American Century Short Duration Strategic Income ETF shares in Q2 2026, an estimated $529K.
• American Century Short Duration Strategic Income ETF made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #8590 holding.
• Citadel Advisors first reported a position in American Century Short Duration Strategic Income ETF in Q1 2024 and has held it in 7 quarters since.
• Citadel Advisors's American Century Short Duration Strategic Income ETF position peaked at $1.72M in Q3 2025.
• 43 funds tracked by Wall St. Rank held American Century Short Duration Strategic Income ETF as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.