Citadel Advisors’s iShares Core Universal USD Bond ETF IUSB Stock Holding History

Citadel Advisors’s Portfolio IUSB Stock Details IUSB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q2	–	Sell	-100	Closed	-$4.61K	–	13789
2025 Q1	$4.61K	Buy	+100	New	+$4.56K	﹤0.01%	13879
2024 Q3	–	Sell	-800	Closed	-$36.2K	–	14731
2024 Q2	$36.2K	Buy	800 +100	+14%	+$4.5K	﹤0.01%	12089
2024 Q1	$31.9K	Buy	+700	New	+$31.9K	﹤0.01%	12634
2023 Q4	–	Sell	-2,500	Closed	-$109K	–	14774
2023 Q3	$109K	Buy	2,500 +800	+47%	+$35.8K	﹤0.01%	10781
2023 Q2	$77.3K	Sell	1,700 -22,500	-93%	-$1.03M	﹤0.01%	11282
2023 Q1	$1.12M	Buy	24,200 +14,500	+149%	+$664K	﹤0.01%	6532
2022 Q4	$436K	Buy	+9,700	New	+$434K	﹤0.01%	8534

Other funds holding IUSB

Envestnet Asset Management Chicago, Illinois $424B AUM 22.96% 1-Year Est. Return

Jones Financial Companies Des Peres, Missouri $250B AUM 21.32% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return

Wells Fargo San Francisco, California $617B AUM 30.33% 1-Year Est. Return

Northwestern Mutual Wealth Management Milwaukee, Wisconsin $187B AUM 21.7% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Mariner Overland Park, Kansas $95.2B AUM 32.92% 1-Year Est. Return

Envestnet Portfolio Solutions Chicago, Illinois $20.9B AUM 19.34% 1-Year Est. Return

Citadel Advisors's IUSB Position: Q2 2026 in Review

Citadel Advisors sold out of iShares Core Universal USD Bond ETF (IUSB) in Q2 2026, closing a stake of 293,817 shares — an estimated $13.6M sold.

Citadel Advisors first reported a position in IUSB in Q1 2015 and held it in 18 quarters. The position peaked at $59.9M in Q3 2025. 857 funds tracked by Wall St. Rank hold IUSB as of Q2 2026.

Citadel Advisors reported no remaining iShares Core Universal USD Bond ETF position as of Q2 2026 after selling out during the quarter.
Citadel Advisors sold 293,817 iShares Core Universal USD Bond ETF shares in Q2 2026, an estimated $13.6M.
Citadel Advisors first reported a position in iShares Core Universal USD Bond ETF in Q1 2015 and held it in 18 quarters.
Citadel Advisors's iShares Core Universal USD Bond ETF position peaked at $59.9M in Q3 2025.
857 funds tracked by Wall St. Rank held iShares Core Universal USD Bond ETF as of Q2 2026.

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