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
186,963,093
Price per share
$10.26
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
90,219,856
Total reported value
$1,659,220,088
% of total 13F portfolios
0%
Share change
+31,430,488
Value change
+$578,967,252
Number of holders
256
Price from insider filings
$10.26
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
BlackRock, Inc. 5.4% $185,867,489 10,096,007 BlackRock, Inc. 30 Sep 2025
VANGUARD GROUP INC 6.4% $189,995,614 9,911,091 The Vanguard Group 30 Jun 2025
CITADEL ADVISORS LLC 4.9% $146,902,081 9,244,939 Kenneth Griffin 25 Sep 2025

As of 30 Sep 2025, 256 institutional investors reported holding 90,219,856 shares of Quantum Computing Inc. - Common Stock (QUBT). This represents 48% of the company’s total 186,963,093 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Quantum Computing Inc. - Common Stock (QUBT) together control 42% 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 6.5% 12,197,605 +23% 0% $224,557,908
BlackRock, Inc. 5.6% 10,436,289 +50% 0% $192,132,080
Alyeska Investment Group, L.P. 3.6% 6,716,819 0.37% $123,013,623
CITADEL ADVISORS LLC 3.4% 6,405,805 +166% 0.09% $117,930,871
Anson Funds Management LP 2.9% 5,373,455 +15% 11% $98,925,307
Ghisallo Capital Management LLC 2.2% 4,030,092 2.4% $74,193,994
Tidal Investments LLC 2% 3,767,600 0.29% $69,361,516
GEODE CAPITAL MANAGEMENT, LLC 1.7% 3,137,072 +19% 0% $57,762,644
STATE STREET CORP 1.6% 3,014,590 +21% 0% $55,498,602
Polar Asset Management Partners Inc. 1.4% 2,686,727 +72% 0.99% $48,643,192
Marex Group plc 1.2% 2,326,474 +560% 0.53% $42,857,004
Clear Street Group Inc. 1.1% 2,089,104 0% 0.19% $38,460,405
SUSQUEHANNA INTERNATIONAL GROUP, LLP 1% 1,946,473 +63% 0.05% $35,834,568
Penserra Capital Management LLC 0.88% 1,638,054 +61% 0.36% $30,156,000
BNP PARIBAS FINANCIAL MARKETS 0.85% 1,587,265 0% 0.02% $29,221,549
MORGAN STANLEY 0.81% 1,508,463 +73% 0% $27,770,805
Blackstone Inc. 0.72% 1,343,364 0.11% $24,731,331
UBS Group AG 0.68% 1,263,819 +82% 0% $23,266,908
NORTHERN TRUST CORP 0.64% 1,203,846 +26% 0% $22,162,804
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.61% 1,137,436 +233% 0% $20,940,197
Focus Financial Network, Inc. 0.6% 1,117,431 +340% 0.73% $20,571,905
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.54% 1,011,004 +1.1% 0.03% $18,619,994
JPMORGAN CHASE & CO 0.5% 933,925 +1612% 0% $17,193,560
Pacific Heights Asset Management LLC 0.35% 650,000 +62% 0.53% $11,966,500
GOLDMAN SACHS GROUP INC 0.27% 500,340 -28% 0% $9,211,259

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 1,168,048 $12,069,537 -$7,056,295 $10.26 20
2025 Q3 90,219,856 $1,659,220,088 +$578,967,252 $18.41 256
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