Citadel Advisors’s Vanguard S&P Mid-Cap 400 ETF IVOO Stock Holding History

Citadel Advisors’s Portfolio IVOO Stock Details IVOO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$278K	Buy	+2,132	New	+$265K	﹤0.01%	11292
2024 Q1	–	Sell	-19,180	Closed	-$1.8M	–	15027
2023 Q4	$1.8M	Buy	19,180 +10,228	+114%	+$879K	﹤0.01%	5548
2023 Q3	$757K	Buy	+8,952	New	+$794K	﹤0.01%	7174
2022 Q4	–	Sell	-30,430	Closed	-$2.26M	–	15164
2022 Q3	$2.26M	Buy	30,430 +20,078	+194%	+$1.64M	﹤0.01%	5356
2022 Q2	$793K	Sell	10,352 -20,222	-66%	-$1.69M	﹤0.01%	7563
2022 Q1	$2.78M	Buy	+30,574	New	+$2.75M	﹤0.01%	5369
2021 Q1	–	Sell	-18,316	Closed	-$1.43M	–	13461
2020 Q4	$1.43M	Sell	18,316 -7,594	-29%	-$542K	﹤0.01%	6053
2020 Q3	$1.63M	Sell	25,910 -8,130	-24%	-$514K	﹤0.01%	5113
2020 Q2	$2.05M	Buy	+34,040	New	+$1.92M	﹤0.01%	4540
2019 Q3	–	Sell	-5,858	Closed	-$384K	–	9472
2019 Q2	$384K	Sell	5,858 -7,546	-56%	-$489K	﹤0.01%	7209
2019 Q1	$857K	Sell	13,404 -79,620	-86%	-$4.96M	﹤0.01%	5869
2018 Q4	$5.2M	Buy	+93,024	New	+$5.73M	﹤0.01%	2723
2018 Q3	–	Sell	-3,364	Closed	-$221K	–	9460
2018 Q2	$221K	Sell	3,364 -13,496	-80%	-$879K	﹤0.01%	7718
2018 Q1	$1.07M	Buy	+16,860	New	+$1.09M	﹤0.01%	4714
2017 Q4	–	Sell	-3,936	Closed	-$238K	–	8208
2017 Q3	$238K	Buy	+3,936	New	+$232K	﹤0.01%	6433
2016 Q2	–	Sell	-23,660	Closed	-$1.15M	–	7085
2016 Q1	$1.15M	Buy	+23,660	New	+$1.06M	﹤0.01%	3317
2015 Q4	–	Sell	-40,866	Closed	-$1.88M	–	8940
2015 Q3	$1.88M	Buy	+40,866	New	+$2.01M	﹤0.01%	3022
2015 Q2	–	Sell	-10,764	Closed	-$552K	–	8894
2015 Q1	$552K	Buy	+10,764	New	+$536K	﹤0.01%	4749

Other funds holding IVOO

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

HFS

Hantz Financial Services Southfield, Michigan $7.39B AUM 20.5% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

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

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

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

LMIM

Lockheed Martin Investment Management Bethesda, Maryland $2.53B AUM 37.62% 1-Year Est. Return

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

SILC

Starr Indemnity & Liability Company New York $377M AUM 24.51% 1-Year Est. Return

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

Citadel Advisors's IVOO Position: Q2 2026 in Review

Citadel Advisors opened a new position in Vanguard S&P Mid-Cap 400 ETF (IVOO) in Q2 2026: 2,132 shares worth $278K. The stake represents ﹤0.01% of the portfolio and ranks #11292 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in IVOO as recently as Q4 2023.

Citadel Advisors first reported a position in IVOO in Q1 2015 and has held it in 18 quarters since. The position peaked at $5.2M in Q4 2018. 344 funds tracked by Wall St. Rank hold IVOO as of Q2 2026.

Citadel Advisors held 2,132 shares of Vanguard S&P Mid-Cap 400 ETF worth $278K as of Q2 2026.
Vanguard S&P Mid-Cap 400 ETF was a new Citadel Advisors position in Q2 2026.
Vanguard S&P Mid-Cap 400 ETF made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #11292 holding.
Citadel Advisors first reported a position in Vanguard S&P Mid-Cap 400 ETF in Q1 2015 and has held it in 18 quarters since.
Citadel Advisors's Vanguard S&P Mid-Cap 400 ETF position peaked at $5.2M in Q4 2018.
344 funds tracked by Wall St. Rank held Vanguard S&P Mid-Cap 400 ETF as of Q2 2026.

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