Quantum ComputingQUBT

13F holders, Q1 2026 (March 31)
295holders +8
52new positions
44sold out
5famous investors
$6.86avg. 13F price*

At the end of Q1 2026, 295 institutions reported holding Quantum Computing Inc. (QUBT) in their 13F filings, up 8 from Q4 2025. 52 opened new positions and 44 sold out. The largest holders were BlackRock, Inc. ($110.6M), Vanguard Capital Management LLC ($60.0M) and Vanguard Portfolio Management LLC ($46.0M). 5 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'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 Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions52$25.3M
Exits44$32.6M

All 13F filers, Q4 2025 → Q1 2026: 12,019,764 shares bought and 17,595,539 shares sold, net −5,575,775 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 295 holders

BlackRock, Inc. 0.00% Reduce -3.0% 16,139,212 $110.6M
Vanguard Capital Management LLC 0.00% — 8,762,295 $60.0M
Vanguard Portfolio Management LLC 0.00% — 6,710,124 $46.0M
Geode Capital Management, LLC 0.00% Add +3.0% 4,700,305 $32.2M
State Street Corp. 0.00% Add +4.0% 4,516,820 $30.9M
Defiance ETFs, LLC 0.44% Add +41.4% 4,495,083 $30.8M
Marex Group Ltd 0.32% Reduce -45.7% 4,488,912 $30.7M
Penserra Capital Management LLC 0.27% Add +5.3% 3,349,847 $22.9M
Morgan Stanley 0.00% Add +74.5% 2,320,726 $15.9M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.02% Add +79.4% 2,203,301 $15.1M
Capital Fund Management S.A. 0.10% Reduce -24.5% 1,700,895 $11.7M
Northern Trust Corp. 0.00% Add +2.3% 1,689,081 $11.6M
Mubadala Investment Co PJSC 0.05% No change 1,587,350 $10.9M
Charles Schwab Investment Management Inc. 0.00% Reduce -8.0% 1,492,210 $10.2M
Squarepoint Ops LLC 0.02% Add +45.0% 1,351,733 $9.3M
Vanguard Fiduciary Trust Co. 0.00% — 1,343,626 $9.2M
UBS Group AG 0.00% Reduce -1.2% 1,315,692 $9.0M
HRT Financial LP 0.02% New 1,275,863 $8.7M
Bank of New York Mellon Corp 0.00% Add +72.1% 1,022,604 $7.0M
Pacific Heights Asset Management LLC 0.23% Add +11.1% 1,000,000 $6.8M
Van Eck Associates Corp. 0.01% Add +70.6% 971,602 $6.7M
Jump Financial, LLC 0.11% Reduce -31.0% 939,433 $6.4M
Goldman Sachs Group Inc. 0.00% Add +16.3% 907,974 $6.2M
Citadel Advisors 0.00% Reduce -63.9% 860,980 $5.9M
Clear Street Group Inc. 0.03% Reduce -26.8% 842,219 $5.8M
Raymond James Financial Inc. 0.00% Add +95.9% 789,583 $5.4M
D. E. Shaw & Co. 0.00% Add +424.9% 718,210 $4.9M
Susquehanna International Group, LLP 0.01% Reduce -69.2% 687,823 $4.7M
Renaissance Technologies 0.01% Add +393.8% 667,674 $4.6M
Engineers Gate Manager LP 0.06% New 658,589 $4.5M
Nuveen, LLC 0.00% Reduce -34.0% 631,678 $4.3M
Blackstone Inc. 0.01% No change 500,000 $3.4M
Bank of America Corp. 0.00% Reduce -14.3% 439,775 $3.0M
Quantbot Technologies LP 0.12% Add +18592.5% 411,048 $2.8M
Swiss National Bank 0.00% No change 397,700 $2.7M
Two Sigma Investments, LP 0.00% New 384,252 $2.6M
UNICOM Systems, Inc. 0.25% No change 362,279 $2.5M
BNP Paribas Financial Markets 0.00% Reduce -21.9% 340,925 $2.3M
Alliancebernstein L.P. 0.00% Reduce -8.6% 210,478 $2.2M
Algert Global LLC 0.03% Add +0.5% 313,631 $2.1M
LPL Financial LLC 0.00% Add +4.7% 282,863 $1.9M
Headlands Technologies LLC 0.22% New 277,198 $1.9M
California State Teachers Retirement System 0.00% Add +32.5% 252,002 $1.7M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Reduce -28.7% 250,461 $1.7M
Rhumbline Advisers 0.00% Add +3.4% 234,995 $1.6M
T. Rowe Price Associates Inc. 0.00% Add +23.1% 227,409 $1.6M
Quadrature Capital Ltd 0.02% Reduce -27.7% 209,348 $1.4M
Royal Bank of Canada 0.00% Add +122.1% 197,491 $1.4M
Foundations Investment Advisors, LLC 0.02% Add +11.7% 189,817 $1.3M
SLT Holdings LLC 0.91% Add +11.1% 188,050 $1.3M
Los Angeles Capital Management LLC 0.01% Add +557.6% 185,609 $1.3M
Focus Financial Network, Inc. 0.04% Reduce -53.1% 181,395 $1.2M
Walleye Trading LLC 0.03% Add +110.6% 178,992 $1.2M
Deutsche Bank AG 0.00% Add +7.0% 173,588 $1.2M
Simplex Trading, LLC 0.04% Reduce -69.8% 166,052 $1.1M
Legal & General Group Plc 0.00% Reduce -20.0% 164,881 $1.1M
JPMorgan Chase & Co. 0.00% Add +27.0% 175,174 $1.1M
SBI Securities Co., Ltd. 0.03% Reduce -10.6% 140,646 $963K
National Bank of Canada 0.00% Reduce -52.3% 139,149 $953K
Wells Fargo & Company 0.00% Reduce -62.7% 137,928 $945K
Fifth Third Bancorp 0.00% New 134,300 $920K
VANGUARD ASSET MANAGEMENT, Ltd 0.00% — 132,344 $907K
Concurrent Investment Advisors, LLC 0.01% Add +13.1% 130,523 $894K
Invesco Ltd. 0.00% Add +34.5% 129,857 $890K
Cetera Investment Advisers 0.00% Reduce -1.7% 115,295 $790K
MetLife Investment Management, LLC 0.00% Add +1.2% 113,223 $776K
Group One Trading LLC 0.02% Reduce -80.7% 103,435 $709K
Yarbrough Capital, LLC 0.02% No change 99,056 $679K
Manufacturers Life Insurance Company, The 0.00% Reduce -5.3% 95,797 $656K
Virtu Financial LLC 0.03% Add +32.3% 91,799 $629K
Janus Henderson Group PLC 0.00% No change 87,818 $601K
State of Wisconsin Investment Board 0.00% Reduce -32.8% 87,112 $597K
Millennium Management 0.00% New 87,035 $596K
Stevens Capital Management LP 0.09% New 86,700 $594K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +26.4% 86,598 $593K
Russell Investments Group, Ltd. 0.00% Add +2.9% 84,435 $578K
Vident Advisory, LLC 0.00% Add +58.7% 76,440 $524K
XTX Topco Ltd 0.01% Add +109.4% 74,759 $512K
Vanguard Global Advisers, LLC 0.00% — 74,729 $512K
Amundi 0.00% New 73,429 $503K
Bouvel Investment Partners, LLC 0.14% Add +3.9% 72,443 $496K
AlphaGrep UK Ltd 0.15% New 72,001 $493K
Banque Pictet & Cie SA 0.01% No change 72,000 $493K
Cambridge Investment Research Advisors, Inc. 0.00% Reduce -9.5% 71,319 $489K
Citigroup Inc. 0.00% Add +89.5% 70,481 $483K
Landscape Capital Management, L.L.C. 0.03% Reduce -85.2% 65,231 $447K
Credit Agricole S A 0.00% New 64,200 $440K
Franklin Resources Inc. 0.00% Add +33.8% 64,199 $440K
New York State Common Retirement Fund 0.00% No change 63,600 $436K
Rockefeller Capital Management L.P. 0.00% Add +19.0% 62,985 $431K
PEAK6 LLC 0.01% New 57,920 $397K
Ameriprise Financial Inc. 0.00% Reduce -94.8% 57,087 $391K
Arizona State Retirement System 0.00% Add +0.4% 55,405 $380K
SG Americas Securities, LLC 0.00% Reduce -65.1% 55,258 $379K
Leonteq Securities AG 0.02% Add +14.9% 55,155 $378K
Police & Firemen's Retirement System of New Jersey 0.00% No change 54,144 $371K
Jones Financial Companies LLLP 0.00% Add +4.4% 53,478 $356K
Hennion & Walsh Asset Management, Inc. 0.01% Add +39.4% 50,819 $348K
TD Waterhouse Canada Inc. 0.00% Add +27.6% 50,973 $338K
PFG Investments, LLC 0.02% Reduce -12.3% 48,072 $329K
Vanguard Investments Australia, Ltd. 0.00% — 47,925 $328K
Intech Investment Management LLC 0.00% Add +12.1% 47,723 $327K
Commonwealth Equity Services, LLC 0.00% Reduce -15.0% 46,285 $317K
KLP Kapitalforvaltning As 0.00% Add +6.1% 45,500 $312K
Handelsbanken Fonder AB 0.00% No change 43,800 $300K
Capstone Investment Advisors, LLC 0.00% Add +202.9% 40,634 $278K
Independent Advisor Alliance 0.00% Add +12.2% 40,603 $278K
SIH Partners, LLLP 0.01% Add +80.7% 40,412 $277K
Truist Financial Corp. 0.00% Add +119.2% 39,263 $269K
Barclays PLC 0.00% Reduce -96.5% 38,105 $261K
Prudential Financial Inc. 0.00% Add +160.2% 30,880 $260K
Osaic Holdings, Inc. 0.00% Reduce -76.6% 37,224 $255K
Voya Investment Management LLC 0.00% Add +1.7% 36,144 $248K
Quantinno Capital Management LP 0.00% New 35,969 $246K
Olympiad Research LP 0.74% New 35,311 $242K
Prelude Capital Management, LLC 0.02% New 35,311 $242K
Pictet Asset Management Holding SA 0.00% Add +48.3% 34,320 $235K
Kovack Advisors, Inc. 0.01% Add +24.9% 35,040 $234K
Verition Fund Management LLC 0.00% New 33,649 $230K
Mirabella Financial Services LLP 0.02% Add +157.7% 32,934 $226K
Fortem Financial Group, LLC 0.05% Add +58.5% 31,596 $216K
Private Advisor Group, LLC 0.00% Add +52.2% 31,014 $212K
Corecam Pte. Ltd. 0.09% New 30,617 $210K
Sei Investments Co. 0.00% Reduce -3.6% 30,332 $208K
Stifel Financial Corp. 0.00% Reduce -34.2% 30,265 $207K
Cary Street Partners Financial LLC 0.01% Reduce -41.9% 29,325 $201K
ProShare Advisors LLC 0.00% Reduce -20.5% 29,230 $200K
Scientech Research LLC 0.16% New 27,959 $192K
Advisory Services Network, LLC 0.00% Add +90.1% 27,739 $190K
Creative Planning 0.00% Add +55.7% 27,501 $188K
SeaCrest Wealth Management, LLC 0.02% Reduce -10.2% 27,428 $188K
Chicago Partners Investment Group LLC 0.00% Add +14.9% 19,053 $188K
WealthPlan Investment Management, LLC 0.01% New 27,249 $187K
J.W. Cole Advisors, Inc. 0.01% Add +10.5% 26,849 $184K
Kestra Advisory Services, LLC 0.00% Add +17.7% 26,818 $184K
Parallax Volatility Advisers, L.P. 0.01% New 19,460 $183K
Wealthfront Advisers LLC 0.00% Add +15.3% 25,341 $174K
Tower Research Capital LLC (TRC) 0.00% Add +596.9% 24,253 $166K
October Effect Ltd 0.19% New 23,675 $162K
Financiere des Professionnels - Fonds d'investissement inc. 0.01% No change 23,239 $159K
Corient Private Wealth LP 0.00% New 22,787 $156K
Victory Capital Management Inc. 0.00% Reduce -88.8% 22,580 $155K
Flagship Harbor Advisors, LLC 0.01% Reduce -15.1% 22,290 $153K
FORA Capital, LLC 0.01% New 22,103 $151K
Two Sigma Securities, LLC 0.02% New 20,704 $142K
Stratos Wealth Partners, LTD. 0.00% Add +4.7% 20,300 $139K
RiverFront Investment Group, LLC 0.00% New 20,000 $137K
Clearstead Advisors, LLC 0.00% Add +1526.7% 19,179 $131K
Tulsa Wealth Advisors, INC 0.02% Reduce -20.6% 19,067 $131K
Cwm, LLC 0.00% Add +28.9% 18,916 $130K
Xponance LLC 0.00% Add +16.8% 18,435 $126K
Brevan Howard Capital Management LP 0.00% New 18,371 $126K
Kingswood Wealth Advisors, LLC 0.01% New 17,345 $119K
Captrust Financial Advisors 0.00% Add +60.2% 17,310 $119K
HighTower Advisors, LLC 0.00% Reduce -32.9% 17,178 $118K
Modus Advisors, LLC 0.03% Reduce -42.1% 16,900 $116K
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% No change 16,611 $114K
Vontobel Holding Ltd. 0.00% Add +39.6% 16,578 $114K
Walleye Capital LLC 0.00% Add +66120.0% 16,555 $113K
Ameritas Investment Partners, Inc. 0.00% No change 16,370 $112K
AQR Capital Management 0.00% Reduce -56.9% 16,077 $110K
Centiva Capital, LP 0.01% Reduce -78.0% 16,076 $110K
IHT Wealth Management, LLC 0.00% Add +52.4% 15,554 $107K
State Board of Administration of Florida Retirement System 0.00% No change 15,333 $105K
HUB Investment Partners, LLC 0.00% Reduce -26.1% 14,859 $102K
Principal Financial Group Inc. 0.00% Add +24.1% 14,770 $101K
Mercer Global Advisors Inc. 0.00% New 14,689 $101K
RFG - Bristol Wealth Advisors, LLC 0.03% No change 14,687 $101K
Essex Financial Services, Inc. 0.01% Add +16.3% 14,120 $97K
R Squared Ltd 0.05% Add +7.3% 13,437 $92K
U.S. Capital Wealth Advisors, LLC 0.00% New 13,363 $92K
Altus Wealth Group LLC 0.04% Reduce -10.2% 13,250 $91K
Intrua Financial, LLC 0.01% Reduce -64.7% 13,200 $90K
Sanctuary Advisors, LLC 0.00% New 12,833 $88K
Axq Capital, LP 0.01% Reduce -13.9% 12,815 $88K
US Bancorp \de 0.00% Reduce -63.2% 12,686 $87K
Ensign Peak Advisors, Inc 0.00% No change 12,650 $87K
Jain Global LLC 0.00% New 12,648 $87K
IMC-Chicago, LLC 0.00% Reduce -93.6% 12,526 $86K
PNC Financial Services Group, Inc. 0.00% Add +9.2% 12,515 $86K
CIBC Bancorp USA Inc. 0.00% — 12,271 $84K
Horizon Investments, LLC 0.00% Add +44.8% 12,062 $83K
Exchange Traded Concepts, LLC 0.00% Add +44.8% 12,062 $83K
Wealth Enhancement Advisory Services, LLC 0.00% Reduce -48.8% 11,790 $81K
Neuberger Berman Group LLC 0.00% New 11,624 $80K
Guggenheim Capital LLC 0.00% Reduce -18.4% 11,464 $79K
Independent Financial Group, LLC 0.00% New 11,389 $78K
Solutions 4 Wealth, Ltd 0.12% Add +9.8% 11,200 $77K
Choreo, LLC 0.00% Add +1.4% 10,998 $75K
Steward Partners Investment Advisory, LLC 0.00% Add +40.6% 10,988 $75K
NewEdge Advisors, LLC 0.00% Reduce -73.2% 10,937 $75K
Swiss Life Asset Management Ltd 0.00% New 10,753 $74K
Ameritas Advisory Services, LLC 0.00% New 10,370 $71K
Allspring Global Investments Holdings, LLC 0.00% New 10,568 $70K
Bank of Montreal 0.00% Reduce -19.3% 10,086 $69K
Caprock Group, LLC 0.00% New 10,000 $69K
Harbour Investments, Inc. 0.00% Add +366.4% 9,374 $64K
NFSG Corp 0.01% Reduce -8.9% 9,293 $64K
FMR LLC 0.00% Reduce -84.1% 8,825 $60K
KBC Group NV 0.00% No change 7,052 $48K
Nisa Investment Advisors, LLC 0.00% Add +517.3% 6,401 $44K
Banque Cantonale Vaudoise 0.00% Reduce -8.2% 5,798 $40K
Federation des caisses Desjardins du Quebec 0.00% Reduce -0.6% 4,344 $30K
SRH Advisors, LLC 0.01% No change 4,150 $28K
Aster Capital Management (DIFC) Ltd 0.01% New 3,511 $28K
Toth Financial Advisory Corp. 0.00% Add +33.3% 4,000 $27K
Signaturefd, LLC 0.00% Add +0.8% 3,772 $26K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% Add +23.8% 3,250 $22K
Farther Finance Advisors, LLC 0.00% Reduce -19.8% 3,188 $21K
Larson Financial Group LLC 0.00% Add +157.8% 2,911 $20K
Purpose Unlimited Inc. 0.00% New 2,900 $20K
Northwestern Mutual Wealth Management Co. 0.00% New 2,545 $17K
Glen Eagle Advisors, LLC 0.00% No change 2,500 $17K
Caitong International Asset Management Co., Ltd 0.00% Add +7.6% 2,424 $17K
Triumph Capital Management 0.00% Reduce -2.0% 2,400 $16K
International Assets Investment Management, LLC 0.00% Reduce -4.0% 2,425 $16K
MassMutual Private Wealth & Trust, FSB 0.00% No change 2,225 $15K
Aventura Private Wealth, LLC 0.01% Reduce -13.9% 2,175 $15K
IFP Advisors, Inc 0.00% Reduce -71.0% 2,145 $15K
Atlantic Union Bankshares Corp 0.00% Add +100.0% 2,000 $14K
Compagnie Lombard Odier SCmA 0.00% No change 1,970 $13K
Ascentis Independent Advisors 0.00% New 1,815 $12K
Westfuller Advisors, LLC 0.01% Add +361.1% 1,757 $12K
FWL Investment Management, LLC 0.00% No change 1,500 $10K
Hazlett, Burt & Watson, Inc. 0.00% No change 1,251 $9K
Sterling Capital Management LLC 0.00% Reduce -0.8% 1,307 $9K
Strengthening Families & Communities, LLC 0.00% No change 1,291 $9K
GAMMA Investing LLC 0.00% Add +2.5% 1,145 $8K
Monetary Solutions, Ltd 0.01% No change 1,000 $7K
Moisand Fitzgerald Tamayo, LLC 0.00% No change 1,000 $7K
Allworth Financial LP 0.00% Reduce -77.1% 861 $6K
Murphy & Mullick Capital Management Corp 0.00% No change 775 $5K
Pinnacle Wealth Planning Services, Inc. 0.00% New 694 $5K
Ancora Advisors LLC 0.00% No change 650 $4K
Huntington National Bank 0.00% No change 576 $4K
Archer Investment Corp 0.00% No change 559 $4K
Parkside Financial Bank & Trust 0.00% No change 543 $4K
American Capital Advisory, LLC 0.00% Add +39.4% 527 $4K
SOA Wealth Advisors, LLC. 0.00% Add +10.8% 513 $4K
Sittner & Nelson, LLC 0.00% No change 500 $3K
Cedar Mountain Advisors, LLC 0.00% No change 500 $3K
Armstrong Advisory Group, Inc. 0.00% No change 500 $3K
Rothschild Investment LLC 0.00% Add +4.9% 495 $3K
Parallel Advisors, LLC 0.00% Add +161.1% 483 $3K
MAI Capital Management 0.00% Add +12.3% 456 $3K
McGuire Capital Advisors Inc. 0.00% No change 449 $3K
Western Pacific Wealth Management, LP 0.00% No change 400 $3K
Chung Wu Investment Group, LLC 0.00% New 400 $3K
Hilltop National Bank 0.00% Add +100.0% 400 $3K
Aspect Partners, LLC 0.00% Add +30.3% 391 $3K
Bartlett & Co. Wealth Management LLC 0.00% No change 225 $2K
Wolff Wiese Magana LLC 0.00% No change 301 $2K
Geneos Wealth Management Inc. 0.00% No change 300 $2K
Sankala Group LLC 0.00% No change 273 $2K
Signature Resources Capital Management, LLC 0.00% Reduce -73.1% 269 $2K
Sunbelt Securities, Inc. 0.00% No change 249 $2K
TD Capital Management LLC 0.00% No change 240 $2K
Smartleaf Asset Management LLC 0.00% Add +56.1% 256 $2K
Anfield Capital Management, LLC 0.00% No change 227 $2K
Versant Capital Management, Inc 0.00% New 220 $2K
SHP Wealth Management 0.00% No change 215 $1K
St. Johns Investment Management Company, LLC 0.00% No change 212 $1K
Marshall & Sterling Wealth Advisors Inc. 0.00% No change 200 $1K
Basepoint Wealth LLC 0.00% No change 200 $1K
Caldwell Sutter Capital, Inc. 0.00% Add +50.0% 150 $1K
RMG Wealth Management LLC 0.00% No change 100 $1K
Keating Financial Advisory Services, Inc. 0.00% New 135 $925
MJT & Associates Financial Advisory Group, Inc. 0.00% No change 125 $857
Root Financial Partners, LLC 0.00% No change 115 $788
Quarry LP 0.00% New 104 $712
Fourth Dimension Wealth, LLC 0.00% New 100 $685
Bangor Savings Bank 0.00% No change 100 $685
Crewe Advisors LLC 0.00% No change 100 $685
Annis Gardner Whiting Capital Advisors, LLC 0.00% New 100 $685
Proffitt & Goodson Inc. 0.00% No change 88 $603
Bullock Wealth Management Group 0.00% New 84 $558
Ankerstar Wealth, LLC 0.00% Reduce -86.1% 76 $521
Hughes Financial Services, LLC 0.00% Reduce -1.3% 76 $521
Legacy Wealth Managment, LLC 0.00% Add +15.4% 75 $514
Signature Equity Partners, LLC 0.00% Reduce -87.8% 67 $459
Natixis 0.00% Reduce -98.5% 61 $418
Curio Wealth, LLC 0.00% No change 51 $349
Ameriflex Group, Inc. 0.00% No change 47 $322
West Branch Capital LLC 0.00% New 47 $322
CoreCap Advisors, LLC 0.00% Reduce -76.9% 30 $206
SJS Investment Consulting Inc. 0.00% No change 14 $96
IQ EQ FUND MANAGEMENT (SINGAPORE) PRIVATE Ltd 0.00% No change 12 $82
Crews Bank & Trust 0.00% No change 12 $82
Godfrey Financial Associates, Inc. 0.00% No change 10 $69
Berkshire Capital Holdings Inc. 0.00% No change 10 $69
Hollencrest Capital Management 0.00% New 10 $69
TFC Financial Management, Inc. 0.00% No change 10 $69
Davidson Capital Management Inc. 0.00% Reduce -96.9% 5 $35
Vermillion Wealth Management, Inc. 0.00% Reduce -96.0% 2 $14
Covestor Ltd 0.00% New 14 $0

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