Quantum Computing Inc. - Common Stock (QUBT) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2020 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
QUBT on Nasdaq
Shares outstanding
224,253,302
Price per share
$10.18
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
98,402,263
Total reported value
$1,010,297,186
% of total 13F portfolios
0%
Share change
+6,045,680
Value change
-$90,351,747
Number of holders
283
Price from insider filings
$10.18
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Quantum Computing Inc. - Common Stock (QUBT) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
VANGUARD GROUP INC 7.5% +19% $172,793,000 +$71,105,206 16,841,423 +70% The Vanguard Group 31 Dec 2025
BlackRock, Inc. 6.7% +26% $154,365,876 +$50,780,844 15,045,407 +49% BlackRock, Inc. 31 Dec 2025
CITADEL ADVISORS LLC 4.9% $146,902,081 9,244,939 Kenneth Griffin 25 Sep 2025

As of 31 Dec 2025, 283 institutional investors reported holding 98,402,263 shares of Quantum Computing Inc. - Common Stock (QUBT). This represents 44% of the company’s total 224,253,302 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Quantum Computing Inc. - Common Stock (QUBT) together control 37% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
VANGUARD GROUP INC 7.5% 16,841,423 +38% 0% $172,793,000
BlackRock, Inc. 7.4% 16,647,012 +60% 0% $170,798,343
Marex Group plc 3.7% 8,272,153 +256% 0.92% $84,872,290
GEODE CAPITAL MANAGEMENT, LLC 2% 4,565,192 +46% 0% $46,846,418
STATE STREET CORP 1.9% 4,344,023 +44% 0% $44,569,676
Defiance ETFs, LLC 1.4% 3,179,905 0% 1.1% $33,071,012
Penserra Capital Management LLC 1.4% 3,179,905 +94% 0.39% $32,625,000
CITADEL ADVISORS LLC 1.1% 2,387,241 -63% 0.02% $24,493,093
CAPITAL FUND MANAGEMENT S.A. 1% 2,253,241 +606% 0.22% $23,118,252
SUSQUEHANNA INTERNATIONAL GROUP, LLP 1% 2,231,454 +15% 0.03% $22,894,718
NORTHERN TRUST CORP 0.74% 1,651,108 +37% 0% $16,940,369
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.72% 1,622,701 +43% 0% $16,648,912
Mubadala Investment Co PJSC 0.71% 1,587,350 0.09% $16,286,211
Jump Financial, LLC 0.61% 1,362,167 0.18% $13,975,834
UBS Group AG 0.59% 1,331,930 +5.4% 0% $13,665,602
MORGAN STANLEY 0.59% 1,329,581 -12% 0% $13,641,501
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.55% 1,228,168 +21% 0.02% $12,603,856
Clear Street Group Inc. 0.51% 1,149,865 -45% 0.06% $11,797,615
AMERIPRISE FINANCIAL INC 0.49% 1,104,400 +3003% 0% $11,331,145
BARCLAYS PLC 0.49% 1,100,974 +340% 0% $11,295,993
CANADA PENSION PLAN INVESTMENT BOARD 0.46% 1,026,700 0.01% $10,533,942
Nuveen, LLC 0.43% 957,585 +132% 0% $9,824,822
Squarepoint Ops LLC 0.42% 932,171 +245% 0.02% $9,564,074
Pacific Heights Asset Management LLC 0.4% 900,000 +38% 0.35% $9,234,000
GOLDMAN SACHS GROUP INC 0.35% 780,821 +56% 0% $8,011,224

Institutional Holders of Quantum Computing Inc. - Common Stock (QUBT) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 98,402,263 $1,010,297,186 -$90,351,747 $10.26 283
2025 Q3 90,245,639 $1,659,694,681 +$579,046,407 $18.41 258
2025 Q2 55,764,142 $1,062,600,126 +$639,920,079 $19.17 220
2025 Q1 22,331,464 $178,713,053 -$77,089,774 $8.00 161
2024 Q4 21,196,895 $350,516,669 +$279,210,178 $16.55 115
2024 Q3 4,006,164 $2,614,945 +$35 $0.65 32
2024 Q2 4,080,942 $2,050,214 +$93,321 $0.50 44
2024 Q1 3,684,327 $3,647,010 +$531,656 $0.99 43
2023 Q4 3,192,187 $2,916,193 +$228,391 $0.91 39
2023 Q3 2,903,792 $3,136,493 -$17,387 $1.08 36
2023 Q2 2,932,901 $3,463,477 +$820,680 $1.18 36
2023 Q1 2,232,291 $2,923,822 +$219,537 $1.31 34
2022 Q4 2,054,751 $3,099,838 -$53,208 $1.51 33
2022 Q3 1,999,034 $5,017,279 +$510,054 $2.51 29
2022 Q2 1,796,582 $4,274,136 +$48,105 $2.38 25
2022 Q1 1,763,827 $4,585,285 -$426,018 $2.60 26
2021 Q4 1,913,259 $6,536,536 +$2,161,820 $3.41 25
2021 Q3 1,252,693 $7,800,707 +$7,746,707 $6.23 21
2021 Q2 2,225 $12,000 $5.39 1
2021 Q1 2,225 $16,000 $7.19 1
2020 Q4 2,225 $31,000 $13.93 1
2020 Q3 2,225 $8,000 $3.60 1
2020 Q2 2,225 $6,000 $2.70 1
2020 Q1 2,225 $5,000 +$5,000 $2.25 1