Citadel Advisors
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Citadel Advisors’s Vanguard S&P Small-Cap 600 ETF VIOO Stock Holding History

Citadel Advisors’s Portfolio VIOO Stock Details VIOO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-7,292
Closed -$837K – 14948
2026
Q1 		$837K Buy
+7,292
New +$855K ﹤0.01% 8069
2025
Q3 		– Sell
-28,954
Closed -$2.93M – 14218
2025
Q2 		$2.93M Sell
28,954
-14,264
-33% -$1.36M ﹤0.01% 5019
2025
Q1 		$4.17M Buy
43,218
+31,656
+274% +$3.29M ﹤0.01% 4186
2024
Q4 		$1.23M Sell
11,562
-9,518
-45% -$1.05M ﹤0.01% 6608
2024
Q3 		$2.28M Buy
21,080
+10,357
+97% +$1.08M ﹤0.01% 5291
2024
Q2 		$1.05M Buy
+10,723
New +$1.05M ﹤0.01% 6477
2024
Q1 		– Sell
-4,106
Closed -$407K – 15492
2023
Q4 		$407K Buy
+4,106
New +$366K ﹤0.01% 8531
2023
Q2 		– Sell
-8,012
Closed -$711K – 15299
2023
Q1 		$711K Sell
8,012
-8,920
-53% -$817K ﹤0.01% 7530
2022
Q4 		$1.47M Buy
+16,932
New +$1.5M ﹤0.01% 6077
2022
Q2 		– Sell
-10,074
Closed -$997K – 14190
2022
Q1 		$997K Buy
10,074
+2,712
+37% +$268K ﹤0.01% 7698
2021
Q4 		$773K Buy
+7,362
New +$773K ﹤0.01% 8573
2021
Q3 		– Sell
-4,974
Closed -$516K – 14725
2021
Q2 		$516K Sell
4,974
-5,416
-52% -$553K ﹤0.01% 10003
2021
Q1 		$1.03M Sell
10,390
-2,182
-17% -$209K ﹤0.01% 8034
2020
Q4 		$1.05M Sell
12,572
-11,256
-47% -$851K ﹤0.01% 6702
2020
Q3 		$1.54M Buy
23,828
+3,582
+18% +$235K ﹤0.01% 5218
2020
Q2 		$1.27M Buy
+20,246
New +$1.17M ﹤0.01% 5397
2020
Q1 		– Sell
-5,346
Closed -$407K – 10241
2019
Q4 		$407K Sell
5,346
-29,068
-84% -$2.14M ﹤0.01% 7136
2019
Q3 		$2.45M Sell
34,414
-16,072
-32% -$1.14M ﹤0.01% 4156
2019
Q2 		$3.61M Buy
+50,486
New +$3.57M ﹤0.01% 3571
2019
Q1 		– Sell
-29,310
Closed -$1.84M – 9906
2018
Q4 		$1.84M Buy
+29,310
New +$2.07M ﹤0.01% 4270
2015
Q1 		– Sell
-36,038
Closed -$1.85M – 8877
2014
Q4 		$1.85M Buy
+36,038
New +$1.78M ﹤0.01% 3005

Other funds holding VIOO

OWM
Orgel Wealth Management Altoona, Wisconsin $5.27B AUM 16.18% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return
Mariner
Mariner Overland Park, Kansas $95.2B AUM 32.92% 1-Year Est. Return
Cerity Partners
Cerity Partners New York $82.7B AUM 28.53% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $617B AUM 30.33% 1-Year Est. Return
Pathstone Holdings
Pathstone Holdings Englewood, New Jersey $34.3B AUM 27.35% 1-Year Est. Return
SC
Savant Capital Rockford, Illinois $34.1B AUM 22.4% 1-Year Est. Return

Citadel Advisors's VIOO Position: Q2 2026 in Review

Citadel Advisors sold out of Vanguard S&P Small-Cap 600 ETF (VIOO) in Q2 2026, closing a stake of 7,292 shares — an estimated $837K sold.

Citadel Advisors first reported a position in VIOO in Q4 2014 and held it in 21 quarters. The position peaked at $4.17M in Q1 2025. 408 funds tracked by Wall St. Rank hold VIOO as of Q2 2026.

  • Citadel Advisors reported no remaining Vanguard S&P Small-Cap 600 ETF position as of Q2 2026 after selling out during the quarter.
  • Citadel Advisors sold 7,292 Vanguard S&P Small-Cap 600 ETF shares in Q2 2026, an estimated $837K.
  • Citadel Advisors first reported a position in Vanguard S&P Small-Cap 600 ETF in Q4 2014 and held it in 21 quarters.
  • Citadel Advisors's Vanguard S&P Small-Cap 600 ETF position peaked at $4.17M in Q1 2025.
  • 408 funds tracked by Wall St. Rank held Vanguard S&P Small-Cap 600 ETF as of Q2 2026.

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