Citadel Advisors
ISSC icon

Citadel Advisors’s Innovative Solutions & Support ISSC Stock Holding History

Citadel Advisors’s Portfolio ISSC Stock Details ISSC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.18M Buy
106,179
+61,549
+138% +$1.43M ﹤0.01% 5908
2025
Q4 		$845K Sell
44,630
-244,948
-85% -$2.79M ﹤0.01% 7785
2025
Q3 		$3.62M Buy
289,578
+217,498
+302% +$3.04M ﹤0.01% 4957
2025
Q2 		$1M Buy
72,080
+10,650
+17% +$96.8K ﹤0.01% 7081
2025
Q1 		$386K Sell
61,430
-9,997
-14% -$86.1K ﹤0.01% 9035
2024
Q4 		$610K Buy
+71,427
New +$536K ﹤0.01% 8120
2024
Q3 		– Sell
-23,513
Closed -$141K – 14723
2024
Q2 		$141K Sell
23,513
-7,927
-25% -$50.3K ﹤0.01% 10435
2024
Q1 		$230K Buy
31,440
+18,328
+140% +$147K ﹤0.01% 10035
2023
Q4 		$112K Sell
13,112
-11,112
-46% -$84.5K ﹤0.01% 10789
2023
Q3 		$184K Sell
24,224
-2,538
-9% -$19.8K ﹤0.01% 10050
2023
Q2 		$192K Buy
26,762
+12,323
+85% +$84.8K ﹤0.01% 9959
2023
Q1 		$106K Sell
14,439
-499
-3% -$4.03K ﹤0.01% 11178
2022
Q4 		$123K Buy
+14,938
New +$132K ﹤0.01% 10920
2022
Q3 		– Sell
-18,572
Closed -$135K – 13097
2022
Q2 		$134K Buy
+18,572
New +$148K ﹤0.01% 11098
2021
Q1 		– Sell
-27,205
Closed -$177K – 13453
2020
Q4 		$177K Buy
27,205
+9,636
+55% +$63.9K ﹤0.01% 9826
2020
Q3 		$120K Buy
+17,569
New +$110K ﹤0.01% 9161
2016
Q3 		– Sell
-16,341
Closed -$46K – 7462
2016
Q2 		$46K Buy
+16,341
New +$45.3K ﹤0.01% 6430
2014
Q3 		– Sell
-33,028
Closed -$246K – 8253
2014
Q2 		$246K Buy
+33,028
New +$230K ﹤0.01% 5315

Other funds holding ISSC

Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
PAIM
Punch & Associates Investment Management Edina, Minnesota $1.73B AUM 27.65% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Citadel Advisors's ISSC Position: Q1 2026 in Review

Citadel Advisors increased its Innovative Solutions & Support (ISSC) stake by 138% in Q1 2026, buying an estimated $1.43M and bringing the position to 106,179 shares worth $2.18M. The position accounts for ﹤0.01% of the portfolio, ranked #5908.

Citadel Advisors first reported a position in ISSC in Q2 2014 and has held it in 18 quarters since. The position peaked at $3.62M in Q3 2025. 123 funds tracked by Wall St. Rank hold ISSC as of Q1 2026.

  • Citadel Advisors held 106,179 shares of Innovative Solutions & Support worth $2.18M as of Q1 2026.
  • Citadel Advisors bought 61,549 Innovative Solutions & Support shares in Q1 2026, an estimated $1.43M.
  • Innovative Solutions & Support made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #5908 holding.
  • Citadel Advisors first reported a position in Innovative Solutions & Support in Q2 2014 and has held it in 18 quarters since.
  • Citadel Advisors's Innovative Solutions & Support position peaked at $3.62M in Q3 2025.
  • 123 funds tracked by Wall St. Rank held Innovative Solutions & Support as of Q1 2026.

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