Latest Period
Q2 2026
CUSIP: 74766W108
Latest Period
Q2 2026
Institutions Reporting
312
Shares (Excl. Options)
102,843,035
Price
$9.70
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Latest holder context comes from 312 institutions filings for Q2 2026.
Security key
74766W108
Latest holder period
Q2 2026
13F holders
312
13D/G owners
3
CIK / CUSIP context first
Broader feeds
Open recent reporting periods for CUSIP 74766W108:
13D/G owners
Large-stake holder rows connected to Schedule 13D/G evidence.
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Huang Yuping | 10% | $257,021,810 | 23,302,068 | Yuping Huang | 03 Apr 2023 | |||
| 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 30 Jun 2026, 312 institutional investors reported holding 102,843,035 shares of Quantum Computing Inc. - Common Stock, par value $0.0001 per share (QUBT). This represents 46% of the company’s total 225,576,651 outstanding shares.
13F concentration
Largest 13F positions for this security by reported shares and value.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7.9% | 17,733,975 | +9.9% | 0% | $172,019,558 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.9% | 8,848,881 | +0.99% | 0% | $85,834,146 |
| Defiance ETFs, LLC | 3.1% | 7,033,410 | +56% | 0.92% | $66,325,056 |
| Penserra Capital Management LLC | 3.1% | 6,979,349 | +108% | 0.52% | $67,699,000 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.9% | 6,566,582 | -2.1% | 0% | $63,695,845 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.4% | 5,322,648 | +13% | 0% | $51,638,896 |
| STATE STREET CORP | 2.2% | 4,921,317 | +9% | 0% | $47,736,775 |
| MORGAN STANLEY | 1.5% | 3,292,010 | +42% | 0% | $31,932,497 |
| Marex Group Ltd | 1% | 2,302,359 | -49% | 0.17% | $22,332,882 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 1% | 2,272,533 | +3.1% | 0.03% | $22,052,327 |
| UBS Group AG | 0.91% | 2,045,200 | +55% | 0% | $19,838,440 |
| Bank of New York Mellon Corp | 0.88% | 1,975,697 | +93% | 0% | $19,164,260 |
| NORTHERN TRUST CORP | 0.8% | 1,815,091 | +7.5% | 0% | $17,606,381 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.73% | 1,641,744 | +10% | 0% | $15,924,917 |
| Mubadala Investment Co PJSC | 0.7% | 1,587,350 | 0% | 0.04% | $15,397,295 |
| CAPITAL FUND MANAGEMENT S.A. | 0.67% | 1,505,193 | -12% | 0.1% | $14,600,372 |
| NATIONAL BANK OF CANADA /FI/ | 0.65% | 1,458,236 | +948% | 0.01% | $14,144,886 |
| Clear Street Group Inc. | 0.63% | 1,427,999 | +70% | 0.04% | $13,851,590 |
| VAN ECK ASSOCIATES CORP | 0.58% | 1,317,352 | +36% | 0.01% | $12,778,314 |
| VANGUARD FIDUCIARY TRUST CO | 0.58% | 1,301,720 | -3.1% | 0% | $12,626,684 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.52% | 1,172,886 | +71% | 0.01% | $11,376,994 |
| BNP PARIBAS FINANCIAL MARKETS | 0.47% | 1,070,785 | 0% | 0.01% | $10,386,614 |
| RAYMOND JAMES FINANCIAL INC | 0.46% | 1,037,659 | +31% | 0% | $10,065,292 |
| Pacific Heights Asset Management LLC | 0.44% | 1,000,000 | 0% | 0.31% | $9,700,000 |
| Focus Financial Network, Inc. | 0.4% | 911,635 | +403% | 0.27% | $8,842,859 |
Quarter history
Holder count, reported shares/value, and median price by quarter.
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 102,843,035 | $994,958,712 | +$99,135,895 | $9.70 | 312 |
| 2026 Q1 | 92,917,604 | $637,222,474 | -$49,024,212 | $6.85 | 293 |
| 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 |