Citadel Advisors
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Citadel Advisors’s Research Solutions RSSS Stock Holding History

Citadel Advisors’s Portfolio RSSS Stock Details RSSS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$80.8K Buy
35,740
+6,975
+24% +$17.8K ﹤0.01% 12166
2025
Q4 		$84.6K Buy
+28,765
New +$89.7K ﹤0.01% 11759
2025
Q3 		– Sell
-36,728
Closed -$105K – 13908
2025
Q2 		$105K Buy
36,728
+344
+0.9% +$942 ﹤0.01% 11296
2025
Q1 		$94.6K Buy
36,384
+25,649
+239% +$87.5K ﹤0.01% 11557
2024
Q4 		$44.5K Sell
10,735
-3,166
-23% -$10K ﹤0.01% 12508
2024
Q3 		$38K Sell
13,901
-24,466
-64% -$65.9K ﹤0.01% 12199
2024
Q2 		$97.8K Buy
38,367
+20,909
+120% +$59.4K ﹤0.01% 10945
2024
Q1 		$55.2K Buy
17,458
+7,261
+71% +$20.9K ﹤0.01% 12080
2023
Q4 		$26.5K Buy
+10,197
New +$24.9K ﹤0.01% 12373
2023
Q3 		– Sell
-15,924
Closed -$32.5K – 14991
2023
Q2 		$32.5K Buy
15,924
+101
+0.6% +$212 ﹤0.01% 12273
2023
Q1 		$31.8K Buy
15,823
+4,486
+40% +$9.41K ﹤0.01% 12673
2022
Q4 		$21.9K Buy
+11,337
New +$23.1K ﹤0.01% 13075

Other funds holding RSSS

NIM
Needham Investment Management New York $1.96B AUM 101.23% 1-Year Est. Return
PAIM
Punch & Associates Investment Management Edina, Minnesota $1.73B AUM 27.65% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
LCG
Luxor Capital Group New York $1.43B AUM 30.88% 1-Year Est. Return
BA
Bard Associates Chicago, Illinois $398M AUM 54.32% 1-Year Est. Return
TCM
Topline Capital Management Santa Monica, California $605M AUM 26.24% 1-Year Est. Return
PL
Parthenon LLC Louisville, Kentucky $875M AUM 20.28% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
NSIM
North Star Investment Management Chicago, Illinois $1.65B AUM 20.56% 1-Year Est. Return
DAS
Dynamic Advisor Solutions Phoenix, Arizona $3.53B AUM 22.61% 1-Year Est. Return

Citadel Advisors's RSSS Position: Q1 2026 in Review

Citadel Advisors increased its Research Solutions (RSSS) stake by 24% in Q1 2026, buying an estimated $17.8K and bringing the position to 35,740 shares worth $80.8K. The position accounts for ﹤0.01% of the portfolio, ranked #12166.

Citadel Advisors first reported a position in RSSS in Q4 2022 and has held it in 12 quarters since. The position peaked at $105K in Q2 2025. 39 funds tracked by Wall St. Rank hold RSSS as of Q1 2026.

  • Citadel Advisors held 35,740 shares of Research Solutions worth $80.8K as of Q1 2026.
  • Citadel Advisors bought 6,975 Research Solutions shares in Q1 2026, an estimated $17.8K.
  • Research Solutions made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #12166 holding.
  • Citadel Advisors first reported a position in Research Solutions in Q4 2022 and has held it in 12 quarters since.
  • Citadel Advisors's Research Solutions position peaked at $105K in Q2 2025.
  • 39 funds tracked by Wall St. Rank held Research Solutions as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.