Vanguard Group
QUBT icon

Vanguard Group’s Quantum Computing Inc QUBT Stock Holding History

Vanguard Group’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
2025
Q4 		$173M Buy
16,841,423
+4,643,818
+38% +$66.1M ﹤0.01% 1623
2025
Q3 		$225M Buy
12,197,605
+2,286,514
+23% +$39.2M ﹤0.01% 1489
2025
Q2 		$190M Buy
9,911,091
+4,719,687
+91% +$52M ﹤0.01% 1525
2025
Q1 		$41.5M Buy
5,191,404
+1,004,675
+24% +$8.84M ﹤0.01% 2165
2024
Q4 		$69.3M Buy
4,186,729
+1,906,749
+84% +$10.5M ﹤0.01% 2026
2024
Q3 		$1.49M Buy
2,279,980
+50,079
+2% +$32K ﹤0.01% 3648
2024
Q2 		$1.12M Buy
2,229,901
+567,627
+34% +$424K ﹤0.01% 3755
2024
Q1 		$1.65M Buy
1,662,274
+403,052
+32% +$363K ﹤0.01% 3653
2023
Q4 		$1.15M Hold
1,259,222
– – ﹤0.01% 3782
2023
Q3 		$1.36M Buy
1,259,222
+52,358
+4% +$64.3K ﹤0.01% 3729
2023
Q2 		$1.42M Hold
1,206,864
– – ﹤0.01% 3781
2023
Q1 		$1.58M Buy
1,206,864
+204,705
+20% +$324K ﹤0.01% 3761
2022
Q4 		$1.51M Buy
1,002,159
+515
+0.1% +$1.05K ﹤0.01% 3771
2022
Q3 		$2.51M Buy
1,001,644
+123,417
+14% +$371K ﹤0.01% 3659
2022
Q2 		$2.09M Sell
878,227
-33,100
-4% -$70.7K ﹤0.01% 3790
2022
Q1 		$2.37M Sell
911,327
-4,132
-0.5% -$11K ﹤0.01% 3895
2021
Q4 		$3.12M Buy
915,459
+33,585
+4% +$179K ﹤0.01% 3862
2021
Q3 		$5.49M Buy
+881,874
New +$6.45M ﹤0.01% 3597

Other funds holding QUBT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
MG
Marex Group London $23.6B AUM 57.16% 1-Year Est. Return
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
DE
Defiance ETFs New York $7.37B AUM
PCM
Penserra Capital Management Orinda, California $13B AUM 71.84% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return
Capital Fund Management (CFM)
Capital Fund Management (CFM) Paris, France $22.7B AUM 32.92% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Vanguard Group's QUBT Position: Q4 2025 in Review

Vanguard Group increased its Quantum Computing Inc (QUBT) stake by 38% in Q4 2025, buying an estimated $66.1M and bringing the position to 16,841,423 shares worth $173M. The position accounts for ﹤0.01% of the portfolio, ranked #1623.

Vanguard Group first reported a position in QUBT in Q3 2021 and has held it in 18 quarters since. The position peaked at $225M in Q3 2025. 287 funds tracked by Wall St. Rank hold QUBT as of Q4 2025.

  • Vanguard Group held 16,841,423 shares of Quantum Computing Inc worth $173M as of Q4 2025.
  • Vanguard Group bought 4,643,818 Quantum Computing Inc shares in Q4 2025, an estimated $66.1M.
  • Quantum Computing Inc made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #1623 holding.
  • Vanguard Group first reported a position in Quantum Computing Inc in Q3 2021 and has held it in 18 quarters since.
  • Vanguard Group's Quantum Computing Inc position peaked at $225M in Q3 2025.
  • 287 funds tracked by Wall St. Rank held Quantum Computing Inc as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.