Citadel Advisors’s iShares Core 1-5 Year USD Bond ETF ISTB Stock Holding History

Citadel Advisors’s Portfolio ISTB Stock Details ISTB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-13,100	Closed	-$640K	–	13357
2025 Q3	$640K	Buy	13,100 +7,900	+152%	+$384K	﹤0.01%	8536
2025 Q2	$253K	Buy	+5,200	New	+$251K	﹤0.01%	10188
2024 Q2	–	Sell	-500	Closed	-$23.7K	–	14840
2024 Q1	$23.7K	Hold	500	–	–	﹤0.01%	12887
2023 Q4	$23.8K	Buy	500 +200	+67%	+$9.34K	﹤0.01%	12474
2023 Q3	$13.9K	Hold	300	–	–	﹤0.01%	12902
2023 Q2	$14K	Sell	300 -200	-40%	-$9.4K	﹤0.01%	13017
2023 Q1	$23.6K	Buy	500 +200	+67%	+$9.36K	﹤0.01%	12934
2022 Q4	$13.9K	Buy	+300	New	+$13.9K	﹤0.01%	13415

Other funds holding ISTB

Acorns Advisers Irvine, California $15.3B AUM 18.32% 1-Year Est. Return

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

State of Wisconsin Investment Board Madison, Wisconsin $49.6B AUM 39.59% 1-Year Est. Return

Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

TWP

Triad Wealth Partners Lawrence, Kansas $1.7B AUM 21.07% 1-Year Est. Return

Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return

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

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

Spinnaker Trust Portland, Maine $2.06B AUM 24.94% 1-Year Est. Return

Townsend & Associates Westminster, Colorado $1.17B AUM 20.72% 1-Year Est. Return

Citadel Advisors's ISTB Position: Q2 2026 in Review

Citadel Advisors sold out of iShares Core 1-5 Year USD Bond ETF (ISTB) in Q2 2026, closing a stake of 413,258 shares — an estimated $20M sold.

Citadel Advisors first reported a position in ISTB in Q3 2016 and held it in 28 quarters. The position peaked at $62.5M in Q2 2020. 398 funds tracked by Wall St. Rank hold ISTB as of Q2 2026.

Citadel Advisors reported no remaining iShares Core 1-5 Year USD Bond ETF position as of Q2 2026 after selling out during the quarter.
Citadel Advisors sold 413,258 iShares Core 1-5 Year USD Bond ETF shares in Q2 2026, an estimated $20M.
Citadel Advisors first reported a position in iShares Core 1-5 Year USD Bond ETF in Q3 2016 and held it in 28 quarters.
Citadel Advisors's iShares Core 1-5 Year USD Bond ETF position peaked at $62.5M in Q2 2020.
398 funds tracked by Wall St. Rank held iShares Core 1-5 Year USD Bond ETF as of Q2 2026.

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