JY
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Jeff Yass’s Quantum Computing Inc QUBT Stock Holding History

Jeff Yass’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 		$11.4M Buy
1,172,886
+485,063
+71% +$4.72M ﹤0.01% 3188
2026
Q1 		$4.71M Sell
687,823
-1,543,631
-69% -$14.1M ﹤0.01% 4340
2025
Q4 		$22.9M Buy
2,231,454
+284,981
+15% +$4.06M ﹤0.01% 2063
2025
Q3 		$35.8M Buy
1,946,473
+755,649
+63% +$13M ﹤0.01% 1625
2025
Q2 		$22.8M Buy
1,190,824
+1,157,350
+3,457% +$12.8M ﹤0.01% 1873
2025
Q1 		$268K Buy
33,474
+627
+2% +$5.51K ﹤0.01% 10312
2024
Q4 		$544K Sell
32,847
-33,494
-50% -$184K ﹤0.01% 8466
2024
Q3 		$43.3K Buy
66,341
+42,416
+177% +$27.1K ﹤0.01% 11433
2024
Q2 		$12K Sell
23,925
-7,800
-25% -$5.83K ﹤0.01% 11751
2024
Q1 		$31.4K Buy
31,725
+5,712
+22% +$5.14K ﹤0.01% 11704
2023
Q4 		$23.8K Sell
26,013
-57,862
-69% -$49.7K ﹤0.01% 11937
2023
Q3 		$90.6K Sell
83,875
-49,686
-37% -$61K ﹤0.01% 11001
2023
Q2 		$158K Buy
133,561
+106,625
+396% +$141K ﹤0.01% 10525
2023
Q1 		$35.3K Buy
26,936
+15,029
+126% +$23.8K ﹤0.01% 11846
2022
Q4 		$18K Sell
11,907
-30,870
-72% -$62.7K ﹤0.01% 11796
2022
Q3 		$107K Sell
42,777
-51,989
-55% -$156K ﹤0.01% 11647
2022
Q2 		$225K Buy
94,766
+16,737
+21% +$35.8K ﹤0.01% 10337
2022
Q1 		$203K Sell
78,029
-66,706
-46% -$177K ﹤0.01% 11205
2021
Q4 		$494K Buy
144,735
+127,775
+753% +$679K ﹤0.01% 9253
2021
Q3 		$106K Buy
+16,960
New +$124K ﹤0.01% 12037

Other funds holding QUBT

California State Teachers Retirement System (CalSTRS)
California State Teachers Retirement System (CalSTRS) West Sacramento, California $782B AUM 28.39% 1-Year Est. Return
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

Jeff Yass's QUBT Position: Q2 2026 in Review

Jeff Yass increased its Quantum Computing Inc (QUBT) stake by 71% in Q2 2026, buying an estimated $4.72M and bringing the position to 1,172,886 shares worth $11.4M. The position accounts for ﹤0.01% of the portfolio, ranked #3188.

Jeff Yass first reported a position in QUBT in Q3 2021 and has held it in 20 quarters since. The position peaked at $35.8M in Q3 2025. 312 funds tracked by Wall St. Rank hold QUBT as of Q2 2026.

  • Jeff Yass held 1,172,886 shares of Quantum Computing Inc worth $11.4M as of Q2 2026.
  • Jeff Yass bought 485,063 Quantum Computing Inc shares in Q2 2026, an estimated $4.72M.
  • Quantum Computing Inc made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #3188 holding.
  • Jeff Yass first reported a position in Quantum Computing Inc in Q3 2021 and has held it in 20 quarters since.
  • Jeff Yass's Quantum Computing Inc position peaked at $35.8M in Q3 2025.
  • 312 funds tracked by Wall St. Rank held Quantum Computing Inc as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.