Citadel Advisors
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Citadel Advisors’s Quantum Computing Inc QUBT Stock Holding History

Citadel Advisors’s Portfolio QUBT Stock Details QUBT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.34M Sell
138,628
-722,352
-84% -$7.03M ﹤0.01% 7473
2026
Q1 		$5.9M Sell
860,980
-1,526,261
-64% -$14M ﹤0.01% 4074
2025
Q4 		$24.5M Sell
2,387,241
-4,018,564
-63% -$57.2M ﹤0.01% 2136
2025
Q3 		$118M Buy
6,405,805
+3,995,611
+166% +$68.5M 0.02% 725
2025
Q2 		$46.2M Buy
2,410,194
+2,181,556
+954% +$24M 0.01% 1291
2025
Q1 		$1.83M Buy
+228,638
New +$2.01M ﹤0.01% 5702
2024
Q4 		– Sell
-83,547
Closed -$459K – 15226
2024
Q3 		$54.5K Buy
83,547
+68,143
+442% +$43.6K ﹤0.01% 11812
2024
Q2 		$7.74K Sell
15,404
-151,171
-91% -$113K ﹤0.01% 13232
2024
Q1 		$165K Sell
166,575
-3,541
-2% -$3.19K ﹤0.01% 10624
2023
Q4 		$155K Buy
+170,116
New +$146K ﹤0.01% 10328
2023
Q2 		– Sell
-6,041
Closed -$7.91K – 15072
2023
Q1 		$7.91K Sell
6,041
-14,630
-71% -$23.1K ﹤0.01% 13690
2022
Q4 		$31.2K Buy
+20,671
New +$42K ﹤0.01% 12698
2022
Q2 		– Sell
-18,261
Closed -$39K – 13879
2022
Q1 		$47K Buy
+18,261
New +$48.4K ﹤0.01% 12835

Other funds holding QUBT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
PCM
Penserra Capital Management Orinda, California $13B AUM 71.84% 1-Year Est. Return
DE
Defiance ETFs New York $7.37B AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
MG
Marex Group London $23.6B AUM 57.16% 1-Year Est. Return
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $83.9B AUM 60.43% 1-Year Est. Return

Citadel Advisors's QUBT Position: Q2 2026 in Review

Citadel Advisors reduced its Quantum Computing Inc (QUBT) stake by 84% in Q2 2026, selling an estimated $7.03M and leaving 138,628 shares worth $1.34M. The position accounts for ﹤0.01% of the portfolio, ranked #7473.

Citadel Advisors first reported a position in QUBT in Q1 2022 and has held it in 13 quarters since. The position peaked at $118M in Q3 2025. 314 funds tracked by Wall St. Rank hold QUBT as of Q2 2026.

  • Citadel Advisors held 138,628 shares of Quantum Computing Inc worth $1.34M as of Q2 2026.
  • Citadel Advisors sold 722,352 Quantum Computing Inc shares in Q2 2026, an estimated $7.03M.
  • Quantum Computing Inc made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #7473 holding.
  • Citadel Advisors first reported a position in Quantum Computing Inc in Q1 2022 and has held it in 13 quarters since.
  • Citadel Advisors's Quantum Computing Inc position peaked at $118M in Q3 2025.
  • 314 funds tracked by Wall St. Rank held Quantum Computing Inc as of Q2 2026.

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