Latest Period
Q4 2025
Security Snapshot
Quantum Computing Inc. - Common Stock (QUBT) Institutional Ownership
CUSIP: 74766W108
13F Institutional Holders and Ownership History from Q1 2020 to Q1 2026
Institutions Reporting
288
Shares (Excl. Options)
98,468,026
Price
$10.26
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- Type / Class
- Equity / Common Stock
- Symbol
- QUBT on Nasdaq
- Shares outstanding
- 224,253,302
- Price per share
- $7.06
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 98,468,026
- Total reported value
- $1,010,978,646
- % of total 13F portfolios
- 0%
- Share change
- +6,078,169
- Value change
- -$90,011,350
- Number of holders
- 288
- Price from insider filings
- $7.06
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- QUBT - Quantum Computing Inc. - Common Stock is tracked under CUSIP 74766W108.
- 288 institutions reported positions in Q4 2025.
- 2 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 288 to 131 between Q4 2025 and Q1 2026.
- Reported value moved from $1,010,978,646 to $172,286,760.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 288 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 74766W108?
CUSIP 74766W108 identifies QUBT - Quantum Computing Inc. - Common Stock in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 74766W108:
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. | 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, 288 institutional investors reported holding 98,468,026 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 |
|---|---|---|---|---|---|
| 2026 Q1 | 25,143,223 | $172,286,760 | -$4,556,499 | $6.85 | 131 |
| 2025 Q4 | 98,468,026 | $1,010,978,646 | -$90,011,350 | $10.26 | 288 |
| 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 |