Quantum ComputingQUBT

13F holders, Q3 2025 (September 30)
259holders +37
77new positions
40sold out
4famous investors
$18.39avg. 13F price*

At the end of Q3 2025, 259 institutions reported holding Quantum Computing Inc. (QUBT) in their 13F filings, up 37 from Q2 2025. 77 opened new positions and 40 sold out. The largest holders were Vanguard Group Inc. ($224.6M), BlackRock, Inc. ($192.1M) and Alyeska Investment Group, L.P. ($123.0M). 4 famous investors held it, including Ken Griffin (0.1% of Citadel Advisors's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Quantum Computing Inc.
CUSIP
74766W108
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300400 Q1 2024: 46Q1 2024Q2 2024: 47Q2 2024Q3 2024: 34Q3 2024Q4 2024: 125Q4 2024Q1 2025: 166Q1 2025Q2 2025: 222Q2 2025Q3 2025: 259Q3 2025Q4 2025: 287Q4 2025Q1 2026: 295Q1 2026Q2 2026: 313Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions77$342.4M
Exits40$104.2M

All 13F filers, Q2 2025 → Q3 2025: 42,368,373 shares bought and 9,931,211 shares sold, net +32,437,162 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 259 holders

Vanguard Group Inc. 0.00% Add +23.1% 12,197,605 $224.6M
BlackRock, Inc. 0.00% Add +50.1% 10,436,289 $192.1M
Alyeska Investment Group, L.P. 0.37% New 6,716,819 $123.0M
Citadel Advisors 0.10% Add +165.8% 6,405,805 $117.9M
Anson Funds Management LP 11.36% Add +14.9% 5,373,455 $98.9M
Ghisallo Capital Management LLC 2.43% New 4,030,092 $74.2M
Tidal Investments LLC 0.29% New 3,767,600 $69.4M
Geode Capital Management, LLC 0.00% Add +19.3% 3,137,072 $57.8M
State Street Corp. 0.00% Add +21.5% 3,014,590 $55.5M
Polar Asset Management Partners Inc. 1.42% Add +72.3% 2,686,727 $48.6M
Marex Group Ltd 0.53% Add +559.8% 2,326,474 $42.9M
Clear Street Group Inc. 0.19% — 2,089,104 $38.5M
Susquehanna International Group, LLP 0.05% Add +63.5% 1,946,473 $35.8M
Penserra Capital Management LLC 0.36% Add +60.7% 1,638,054 $30.2M
BNP Paribas Financial Markets 0.02% Add +170.2% 1,587,265 $29.2M
Morgan Stanley 0.00% Add +73.1% 1,508,463 $27.8M
Blackstone Inc. 0.11% New 1,343,364 $24.7M
UBS Group AG 0.00% Add +82.4% 1,263,819 $23.3M
Northern Trust Corp. 0.00% Add +26.3% 1,203,846 $22.2M
Charles Schwab Investment Management Inc. 0.00% Add +233.3% 1,137,436 $20.9M
Focus Financial Network, Inc. 0.73% Add +339.9% 1,117,431 $20.6M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.03% Add +1.1% 1,011,004 $18.6M
JPMorgan Chase & Co. 0.00% Add +1612.0% 933,925 $17.2M
Pacific Heights Asset Management LLC 0.53% Add +62.5% 650,000 $12.0M
Goldman Sachs Group Inc. 0.00% Reduce -27.6% 500,340 $9.2M
Verition Fund Management LLC 0.05% Add +49.6% 470,229 $8.7M
Nuveen, LLC 0.00% Add +55.9% 412,811 $7.6M
Bank of New York Mellon Corp 0.00% Add +18.7% 374,712 $6.9M
UNICOM Systems, Inc. 0.66% Reduce -34.4% 362,279 $6.7M
Tairen Capital Ltd 0.68% New 342,750 $6.3M
National Bank of Canada 0.01% Add +337.1% 338,967 $6.2M
Swiss National Bank 0.00% Add +29.5% 325,800 $6.0M
Capital Fund Management S.A. 0.06% New 319,356 $5.9M
Y-Intercept (Hong Kong) Ltd 0.13% New 295,455 $5.4M
LPL Financial LLC 0.00% Reduce -5.5% 288,058 $5.3M
Van Eck Associates Corp. 0.00% Add +504.9% 277,844 $5.1M
Voleon Capital Management LP 0.12% New 270,887 $5.0M
Squarepoint Ops LLC 0.01% Add +602.1% 269,920 $5.0M
Barclays PLC 0.00% Add +4.7% 249,940 $4.6M
Headlands Technologies LLC 0.37% Reduce -7.0% 249,640 $4.6M
SG Americas Securities, LLC 0.02% Add +1231.3% 249,307 $4.6M
Tudor Investment Corporation 0.03% New 248,884 $4.6M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Reduce -28.1% 248,823 $4.6M
Raymond James Financial Inc. 0.00% Add +78.5% 245,363 $4.5M
Virtu Financial LLC 0.24% New 231,990 $4.3M
First Trust Advisors LP 0.00% Reduce -70.0% 231,346 $4.3M
Millennium Management 0.00% Add +105.0% 230,302 $4.2M
Group One Trading LLC 0.12% Add +8.9% 222,239 $4.1M
Rhumbline Advisers 0.00% Add +11.1% 191,636 $3.5M
Wells Fargo & Company 0.00% Add +40.3% 183,808 $3.4M
Cetera Investment Advisers 0.00% Add +963.6% 183,334 $3.4M
Legal & General Group Plc 0.00% Add +14.2% 176,679 $3.3M
Informed Momentum Co LLC 0.36% New 173,779 $3.1M
California State Teachers Retirement System 0.00% Add +10.9% 155,743 $2.9M
Osaic Holdings, Inc. 0.00% Add +37.2% 172,277 $2.8M
Alliancebernstein L.P. 0.00% Add +7.8% 136,155 $2.5M
Bank of America Corp. 0.00% Reduce -85.3% 130,921 $2.4M
Victory Capital Management Inc. 0.00% Reduce -13.7% 130,035 $2.4M
SBI Securities Co., Ltd. 0.06% Reduce -0.7% 128,035 $2.4M
Deutsche Bank AG 0.00% Add +33.3% 110,576 $2.0M
Algert Global LLC 0.03% Add +120.5% 108,350 $2.0M
Concurrent Investment Advisors, LLC 0.03% Add +88.5% 98,655 $1.8M
T. Rowe Price Associates Inc. 0.00% Add +22.6% 97,389 $1.8M
State of Wisconsin Investment Board 0.00% Add +2.3% 93,172 $1.7M
Invesco Ltd. 0.00% Reduce -90.5% 79,733 $1.5M
MetLife Investment Management, LLC 0.01% Add +13.5% 78,580 $1.4M
Mirae Asset Securities (usa) Inc. 0.06% Reduce -87.4% 76,908 $1.4M
Royal Bank of Canada 0.00% Reduce -62.5% 75,066 $1.4M
Janus Henderson Group PLC 0.00% Add +39.5% 72,818 $1.3M
Banque Pictet & Cie SA 0.01% New 72,000 $1.3M
Cambridge Investment Research Advisors, Inc. 0.00% Add +73.1% 71,156 $1.3M
Manufacturers Life Insurance Company, The 0.00% Add +11.0% 71,152 $1.3M
Main Management ETF Advisors, LLC 0.04% New 65,100 $1.2M
SPX Gestao de Recursos Ltda 0.10% New 64,000 $1.2M
Walleye Capital LLC 0.01% New 51,177 $942K
Rockefeller Capital Management L.P. 0.00% Add +24.7% 51,053 $940K
Cary Street Partners Financial LLC 0.02% New 50,794 $935K
Arizona State Retirement System 0.00% Add +46.0% 49,698 $915K
Franklin Resources Inc. 0.00% New 47,530 $875K
Jones Financial Companies LLLP 0.00% Add +28.9% 42,216 $850K
Vident Advisory, LLC 0.01% New 45,874 $845K
Ieq Capital, LLC 0.00% No change 45,522 $838K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +48.9% 44,732 $824K
Commonwealth Equity Services, LLC 0.00% Reduce -10.7% 44,477 $819K
Focus Partners Wealth 0.00% New 43,687 $804K
New York State Common Retirement Fund 0.00% Add +17.0% 42,700 $786K
Hussman Strategic Advisors, Inc. 0.17% No change 42,000 $773K
Russell Investments Group, Ltd. 0.00% Add +5128.9% 41,831 $770K
FMR LLC 0.00% Reduce -9.7% 41,607 $766K
Two Sigma Investments, LP 0.00% Add +2.5% 40,705 $749K
Envestnet Asset Management Inc. 0.00% Add +0.2% 40,145 $739K
Veracity Capital LLC 0.24% Add +7.9% 40,088 $738K
AlphaQuest LLC 0.05% Add +19.7% 39,698 $731K
Intrua Financial, LLC 0.08% Reduce -15.7% 39,140 $721K
Cantor Fitzgerald, L. P. 0.01% New 38,276 $705K
KLP Kapitalforvaltning As 0.00% Add +39.0% 37,800 $696K
Police & Firemen's Retirement System of New Jersey 0.01% Add +42.6% 37,222 $685K
Comerica Bank 0.00% No change 36,813 $678K
Intech Investment Management LLC 0.01% Reduce -41.6% 35,637 $656K
Ameriprise Financial Inc. 0.00% Reduce -94.4% 35,595 $655K
Independent Advisor Alliance 0.02% New 34,137 $628K
Schonfeld Strategic Advisors LLC 0.00% Reduce -33.7% 33,850 $623K
US Bancorp \de 0.00% Add +1450.9% 29,916 $551K
Stifel Financial Corp. 0.00% Add +160.4% 29,724 $547K
SeaCrest Wealth Management, LLC 0.06% Add +1.0% 26,156 $545K
Modus Advisors, LLC 0.15% Add +52.1% 29,200 $538K
Silverleafe Capital Partners, LLC 0.16% No change 28,320 $521K
Sei Investments Co. 0.00% Add +141.8% 27,720 $510K
Citigroup Inc. 0.00% Reduce -58.4% 27,058 $498K
Tower Research Capital LLC (TRC) 0.01% Add +44.2% 26,732 $492K
Ameritas Advisory Services, LLC 0.03% Add +114.8% 25,475 $469K
HUB Investment Partners, LLC 0.02% Add +79.1% 25,009 $460K
Voya Investment Management LLC 0.00% Reduce -23.5% 24,204 $446K
AQR Capital Management 0.00% New 23,602 $435K
Ensign Peak Advisors, Inc 0.00% Reduce -37.1% 23,450 $432K
PFG Investments, LLC 0.02% Reduce -60.2% 23,430 $431K
Mariner, LLC 0.00% Reduce -7.8% 23,260 $428K
Stratos Wealth Partners, LTD. 0.01% Add +88.6% 23,064 $425K
ProShare Advisors LLC 0.00% Reduce -2.9% 22,963 $423K
Flagship Harbor Advisors, LLC 0.02% Add +35.3% 22,733 $419K
Leonteq Securities AG 0.02% Add +17.3% 21,813 $402K
Camelot Portfolios, LLC 0.23% New 21,200 $390K
J.W. Cole Advisors, Inc. 0.01% Reduce -0.3% 21,015 $387K
HighTower Advisors, LLC 0.00% Add +90.5% 19,842 $365K
Private Advisor Group, LLC 0.00% New 19,731 $363K
Wbi Investments, LLC 0.09% New 18,831 $347K
Pictet Asset Management Holding SA 0.00% No change 18,503 $341K
Yarbrough Capital, LLC 0.01% No change 18,019 $332K
AdvisorNet Financial, Inc 0.02% Add +565.4% 17,926 $330K
Quantitative Investment Management, LLC 0.05% New 17,732 $326K
Teacher Retirement System of Texas 0.00% Reduce -1.4% 17,464 $322K
Creative Planning 0.00% New 17,033 $314K
Prudential Financial Inc. 0.00% Add +12.3% 16,500 $304K
Kovack Advisors, Inc. 0.03% New 16,090 $296K
Kestra Advisory Services, LLC 0.00% Add +20.0% 15,828 $291K
State Board of Administration of Florida Retirement System 0.00% New 15,333 $282K
Altus Wealth Group LLC 0.12% New 15,250 $281K
Wealth Enhancement Advisory Services, LLC 0.00% Reduce -18.2% 12,713 $280K
Foundations Investment Advisors, LLC 0.00% Reduce -78.4% 15,114 $278K
SLT Holdings LLC 0.19% Reduce -78.3% 15,000 $276K
RIA Advisory Group LLC 0.07% No change 14,725 $271K
Thoroughbred Financial Services, LLC 0.02% New 14,344 $264K
CIBC Bancorp USA Inc. 0.00% — 14,316 $264K
Summit Wealth Group LLC / Co. 0.03% New 2,651 $261K
Qsemble Capital Management, LP 0.03% Reduce -40.8% 13,930 $256K
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% New 13,711 $252K
MML Investors Services, LLC 0.00% Reduce -30.2% 13,636 $251K
Gladstone Institutional Advisory LLC 0.01% Add +9.3% 12,975 $239K
GK Wealth Management LLC 0.18% New 12,920 $238K
Wealthfront Advisers LLC 0.00% Add +1.6% 12,795 $236K
Chicago Partners Investment Group LLC 0.01% Add +3.4% 15,796 $236K
Janney Montgomery Scott LLC 0.00% Reduce -68.5% 12,676 $233K
Prospera Financial Services Inc 0.00% New 12,191 $224K
Truist Financial Corp. 0.00% New 11,930 $220K
Cwm, LLC 0.00% Add +1.1% 11,766 $217K
Essex Financial Services, Inc. 0.01% Reduce -14.7% 11,348 $209K
Captrust Financial Advisors 0.00% Reduce -12.8% 11,266 $207K
B. Riley Wealth Advisors, Inc. 0.01% New 11,230 $207K
Ameritas Investment Partners, Inc. 0.01% Reduce -4.7% 11,220 $207K
Vontobel Holding Ltd. 0.00% New 10,887 $200K
Engineers Gate Manager LP 0.00% Reduce -41.3% 10,864 $200K
Insigneo Advisory Services, LLC 0.01% New 10,706 $197K
Xponance LLC 0.00% New 10,553 $194K
Empower Advisory Group, LLC 0.00% New 10,405 $192K
Principal Financial Group Inc. 0.00% New 10,277 $189K
R Squared Ltd 0.08% New 10,275 $189K
Solutions 4 Wealth, Ltd 0.29% No change 10,200 $188K
Capital Investment Advisors, LLC 0.00% New 10,115 $186K
Global Retirement Partners, LLC 0.00% Add +12.5% 10,055 $185K
Caitong International Asset Management Co., Ltd 0.11% New 8,674 $160K
TD Waterhouse Canada Inc. 0.00% Add +1683.8% 8,027 $152K
Natixis 0.00% No change 5,997 $110K
NFSG Corp 0.02% Add +47.1% 5,823 $107K
Ancora Advisors LLC 0.00% New 5,500 $101K
Banque Cantonale Vaudoise 0.00% New 5,354 $99K
NewEdge Advisors, LLC 0.00% Add +43.5% 5,030 $93K
Steward Partners Investment Advisory, LLC 0.00% Add +30.2% 4,720 $87K
Allworth Financial LP 0.00% Add +91.7% 4,218 $78K
SRH Advisors, LLC 0.02% No change 4,150 $76K
Glen Eagle Advisors, LLC 0.01% New 4,000 $74K
KBC Group NV 0.00% Add +37.4% 3,970 $73K
Amalgamated Bank 0.00% No change 3,938 $72K
Advisory Services Network, LLC 0.00% New 3,787 $70K
MASO CAPITAL PARTNERS Ltd 0.11% New 3,720 $68K
Aventura Private Wealth, LLC 0.02% Add +171.3% 3,635 $67K
Huntington National Bank 0.00% No change 3,576 $66K
IFP Advisors, Inc 0.00% New 3,330 $61K
PEAK6 LLC 0.00% New 3,243 $60K
Horizon Investments, LLC 0.00% New 2,995 $55K
Exchange Traded Concepts, LLC 0.00% New 2,995 $55K
Compagnie Lombard Odier SCmA 0.00% No change 2,870 $53K
Signaturefd, LLC 0.00% Add +2.4% 2,742 $50K
MassMutual Private Wealth & Trust, FSB 0.00% No change 2,225 $41K
Federation des caisses Desjardins du Quebec 0.00% Add +9.9% 2,155 $40K
STRS Ohio 0.00% New 2,100 $39K
Toth Financial Advisory Corp. 0.00% Add +100.0% 2,000 $37K
Hollencrest Capital Management 0.00% Reduce -68.0% 2,000 $37K
New Millennium Group LLC 0.02% New 1,968 $36K
Nisa Investment Advisors, LLC 0.00% Add +28.5% 1,903 $35K
PNC Financial Services Group, Inc. 0.00% Add +37.3% 1,809 $33K
FWL Investment Management, LLC 0.01% No change 1,700 $31K
Principal Securities, Inc. 0.00% Add +50.8% 1,508 $28K
Farther Finance Advisors, LLC 0.00% Add +724.7% 1,501 $28K
Thurston, Springer, Miller, Herd & Titak, Inc. 0.05% No change 1,500 $28K
Strengthening Families & Communities, LLC 0.01% No change 1,322 $24K
Hazlett, Burt & Watson, Inc. 0.01% Add +15.9% 1,243 $23K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% Add +21.1% 1,229 $23K
Fifth Third Bancorp 0.00% New 1,237 $23K
Archer Investment Corp 0.00% Reduce -49.7% 1,011 $19K
Moisand Fitzgerald Tamayo, LLC 0.00% No change 1,000 $18K
MAI Capital Management 0.00% Reduce -91.9% 781 $14K
Summit Securities Group LLC 0.00% New 720 $13K
Harbour Investments, Inc. 0.00% No change 710 $13K
CIBC Private Wealth Group LLC 0.00% Reduce -34.5% 665 $12K
Davidson Capital Management Inc. 0.00% Add +29.4% 612 $11K
Parallel Advisors, LLC 0.00% New 538 $10K
Cedar Mountain Advisors, LLC 0.00% No change 500 $9K
Stone House Investment Management, LLC 0.00% New 500 $9K
Armstrong Advisory Group, Inc. 0.00% No change 500 $9K
Arax Advisory Partners 0.00% Reduce -34.1% 479 $9K
Murphy & Mullick Capital Management Corp 0.01% Add +110.0% 525 $9K
American Capital Advisory, LLC 0.00% Add +3.6% 433 $8K
Concord Wealth Partners 0.00% No change 420 $8K
Rothschild Investment LLC 0.00% Add +44.8% 420 $8K
GAMMA Investing LLC 0.00% Add +132.9% 361 $7K
Sterling Capital Management LLC 0.00% Add +16.5% 325 $6K
Goodman Advisory Group, LLC 0.00% New 315 $6K
AllSquare Wealth Management LLC 0.00% No change 300 $6K
Geneos Wealth Management Inc. 0.00% New 300 $6K
Parkside Financial Bank & Trust 0.00% Add +162.7% 289 $5K
Wealth Watch Advisors, INC 0.00% New 275 $5K
Wolff Wiese Magana LLC 0.00% Reduce -68.8% 257 $5K
TD Capital Management LLC 0.00% New 240 $4K
Bartlett & Co. Wealth Management LLC 0.00% No change 225 $4K
Sittner & Nelson, LLC 0.00% No change 210 $4K
Anfield Capital Management, LLC 0.00% No change 210 $4K
Marshall & Sterling Wealth Advisors Inc. 0.00% New 200 $4K
St. Johns Investment Management Company, LLC 0.00% No change 200 $4K
Optimum Investment Advisors 0.00% New 200 $4K
Turim 21 Investimentos Ltda. 0.00% New 167 $3K
CoreCap Advisors, LLC 0.00% Add +27.2% 131 $2K
Caldwell Sutter Capital, Inc. 0.00% New 100 $2K
Ameriflex Group, Inc. 0.00% Reduce -53.0% 94 $2K
MJT & Associates Financial Advisory Group, Inc. 0.00% New 80 $1K
RMG Wealth Management LLC 0.00% No change 100 $1K
Legacy Wealth Managment, LLC 0.00% Add +712.5% 65 $1K
Guerra Advisors Inc 0.00% New 61 $1K
Hughes Financial Services, LLC 0.00% New 76 $965
Vermillion Wealth Management, Inc. 0.00% New 50 $921
Northwestern Mutual Wealth Management Co. 0.00% Reduce -88.4% 50 $921
SOA Wealth Advisors, LLC. 0.00% Reduce -51.5% 47 $865
Main Street Group, LTD 0.00% No change 42 $773
Atlantic Union Bankshares Corp 0.00% New 25 $461
Financial Consulate, Inc. 0.00% New 20 $369
SJS Investment Consulting Inc. 0.00% No change 14 $258
Aspect Partners, LLC 0.00% New 13 $239
Crews Bank & Trust 0.00% New 12 $221
Berkshire Capital Holdings Inc. 0.00% New 10 $184
IQ EQ FUND MANAGEMENT (SINGAPORE) PRIVATE Ltd 0.00% Reduce -100.0% 1 $18

"% of holder's portfolio" is QUBT's weight in each manager's 13F, not the share of Quantum Computing Inc. the manager owns.