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Quantum Computing Inc.

QUBT
Exchange
Nasdaq
Industry
Services-Prepackaged Software
SEC CIK
0001758009

No open-market purchases or sales by Quantum Computing Inc. insiders were filed in the last 90 days; 313 institutions reported holding it in 13F filings for Q2 2026, worth $994.9M in total; no superinvestor holds it.

13F holders, Q2 2025

Institutional positions in Quantum Computing Inc. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
222
+57 vs. Q1 2025
Shares held
55.8M
+33.4M (+149.1%) vs. Q1 2025
Total value
$1.06B
+$883.8M (+493.2%) vs. Q1 2025
New holders
89
87 more added
Sold out
32
26 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting QUBT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2025: 222 institutions
Q1 2021: 1 institutionQ2 2021: 1 institutionQ3 2021: 24 institutionsQ4 2021: 28 institutionsQ1 2022: 35 institutionsQ2 2022: 35 institutionsQ3 2022: 36 institutionsQ4 2022: 36 institutionsQ1 2023: 37 institutionsQ2 2023: 39 institutionsQ3 2023: 42 institutionsQ4 2023: 45 institutionsQ1 2024: 46 institutionsQ2 2024: 47 institutionsQ3 2024: 34 institutionsQ4 2024: 125 institutionsQ1 2025: 166 institutionsQ2 2025: 222 institutionsQ3 2025: 259 institutionsQ4 2025: 287 institutionsQ1 2026: 296 institutionsQ2 2026: 313 institutions
Value heldQ2 2025: $1.06B
Q1 2021: $16.0KQ2 2021: $12.0KQ3 2021: $7.80MQ4 2021: $6.54MQ1 2022: $4.64MQ2 2022: $4.36MQ3 2022: $5.04MQ4 2022: $3.10MQ1 2023: $2.92MQ2 2023: $3.46MQ3 2023: $3.15MQ4 2023: $2.93MQ1 2024: $3.67MQ2 2024: $2.05MQ3 2024: $2.61MQ4 2024: $359.6MQ1 2025: $179.2MQ2 2025: $1.06BQ3 2025: $1.66BQ4 2025: $1.01BQ1 2026: $637.2MQ2 2026: $994.9M
Institutions holding QUBT and their total value by quarter
QuarterHoldersValue
Q2 2026313$994.9M
Q1 2026296$637.2M
Q4 2025287$1.01B
Q3 2025259$1.66B
Q2 2025222$1.06B
Q1 2025166$179.2M
Q4 2024125$359.6M
Q3 202434$2.61M
Q2 202447$2.05M
Q1 202446$3.67M
Q4 202345$2.93M
Q3 202342$3.15M
Q2 202339$3.46M
Q1 202337$2.92M
Q4 202236$3.10M
Q3 202236$5.04M
Q2 202235$4.36M
Q1 202235$4.64M
Q4 202128$6.54M
Q3 202124$7.80M
Q2 20211$12.0K
Q1 20211$16.0K

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Quantum Computing Inc.; share changes are against Q1 2025.

Institutions holding QUBT in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc9,911,091$190.0M0.00%+4,719,687+90.9%Added
BlackRock, Inc.6,951,357$133.3M0.00%+5,059,468+267.4%Added
Jane Street Group, LLC4,978,363$89.7M0.14%+4,848,010+3,719.1%Added
Anson Funds Management LP4,678,363$89.7M16.54%+4,678,363New
Geode Capital Management, LLC2,630,525$50.4M0.00%+1,416,928+116.8%Added
State Street Corp2,482,024$47.6M0.00%+1,263,395+103.7%Added
Citadel Advisors LLC2,410,194$46.2M0.04%+2,181,556+954.2%Added
Polar Asset Management Partners Inc.1,559,300$29.4M0.73%+1,559,300New
Susquehanna International Group, LLP1,190,824$22.8M0.03%+1,157,350+3,457.5%Added
Penserra Capital Management LLC1,019,460$19.5M0.27%+1,019,460New
Mirae Asset Global ETFs Holdings Ltd.1,000,144$19.1M0.04%+115,284+13.0%Added
Northern Trust Corp953,085$18.3M0.00%+707,612+288.3%Added
Bank of America Corp888,642$17.0M0.00%−80,931−8.3%Reduced
Morgan Stanley871,546$16.7M0.00%−709,611−44.9%Reduced
Invesco Ltd.836,465$16.0M0.00%+836,465New
First Trust Advisors LP771,633$14.8M0.01%+771,633New
UBS Group AG693,018$13.3M0.00%−416,054−37.5%Reduced
Goldman Sachs Group Inc691,472$13.3M0.00%+365,194+111.9%Added
Ameriprise Financial Inc630,712$12.1M0.00%+564,487+852.4%Added
Mirae Asset Securities (USA) Inc.609,894$11.7M0.52%+609,894New
BNP Paribas Arbitrage, SA587,489$11.3M0.01%+587,489New
UNICOM Systems, Inc.552,518$10.6M1.47%−103,761−15.8%Reduced
Pacific Heights Asset Management LLC400,000$7.67M0.41%+400,000New
Marex Group plc352,607$6.76M0.13%+313,983+812.9%Added
UBS Asset Management Americas Inc345,927$6.63M0.00%+160,999+87.1%Added
Charles Schwab Investment Management Inc341,218$6.54M0.00%+290,340+570.7%Added
Bank of New York Mellon Corp315,604$6.05M0.00%+296,050+1,514.0%Added
Verition Fund Management LLC314,238$6.02M0.03%−43,766−12.2%Reduced
LPL Financial LLC304,963$5.85M0.00%+69,335+29.4%Added
Headlands Technologies LLC268,299$5.14M0.62%+268,087+126,456.1%Added
Nuveen, LLC264,850$5.08M0.00%+264,850New
Focus Financial Network, Inc.254,037$4.87M0.19%+64,570+34.1%Added
Swiss National Bank251,600$4.82M0.00%+25,800+11.4%Added
Barclays PLC238,796$4.58M0.00%+213,555+846.1%Added
Group One Trading, L.P.204,045$3.91M0.13%−41,044−16.7%Reduced
Royal Bank of Canada199,928$3.83M0.00%+146,176+271.9%Added
Jump Financial, LLC184,353$3.53M0.04%+114,902+165.4%Added
Rhumbline Advisers172,568$3.31M0.00%+169,078+4,844.6%Added
Legal & General Group Plc154,656$2.96M0.00%+55,114+55.4%Added
Victory Capital Management Inc150,679$2.89M0.00%−78,233−34.2%Reduced
California State Teachers Retirement System140,393$2.69M0.00%+36,295+34.9%Added
Raymond James Financial Inc137,488$2.64M0.00%+11,245+8.9%Added
Wells Fargo & Company131,007$2.51M0.00%+116,343+793.4%Added
SBI Securities Co., Ltd.128,936$2.47M0.07%+10,660+9.0%Added
Alliancebernstein L.P.126,323$2.42M0.00%+126,323New
Advisor Group Holdings, Inc.125,607$2.41M0.00%+78,424+166.2%Added
Millennium Management LLC112,330$2.15M0.00%−539,125−82.8%Reduced
State of Wisconsin Investment Board91,070$1.75M0.00%−2,883−3.1%Reduced
Sassicaia Capital Advisers LLC83,161$1.59M1.00%+83,161New
Deutsche Bank AG82,929$1.59M0.00%+73,203+752.7%Added
Price T Rowe Associates Inc79,438$1.52M0.00%+56,980+253.7%Added
National Bank of Canada77,549$1.49M0.00%+73,741+1,936.5%Added
Foundations Investment Advisors, LLC69,915$1.34M0.02%+36,510+109.3%Added
SLT Holdings LLC69,250$1.33M0.99%+36,500+111.5%Added
MetLife Investment Management69,236$1.33M0.01%+69,236New
Citigroup Inc65,108$1.25M0.00%+59,265+1,014.3%Added
Manufacturers Life Insurance Company, The64,095$1.23M0.00%+47,943+296.8%Added
XTX Topco Ltd62,990$1.21M0.05%+62,990New
Avantax Advisory Services, Inc.62,206$1.19M0.01%+28,100+82.4%Added
Intech Investment Management LLC61,001$1.17M0.01%+61,001New
PFG Investments, LLC58,825$1.13M0.07%+58,825New
Scientech Research LLC57,078$1.09M0.27%+57,078New
JPMorgan Chase & Co54,551$1.05M0.00%+54,129+12,826.8%Added
Concurrent Investment Advisors, LLC52,340$1.00M0.02%+52,340New
Janus Henderson Group PLC52,200$1.00M0.00%00.0%Unchanged
Schonfeld Strategic Advisors LLC51,075$979.1K0.01%+6,095+13.6%Added
Commonwealth Equity Services, LLC49,820$955.0K0.00%+7,542+17.8%Added
Algert Global LLC49,130$941.8K0.02%+49,130New
Gotham Asset Management, LLC46,806$897.3K0.01%+7,188+18.1%Added
Intrua Financial, LLC46,405$889.6K0.13%−1,700−3.5%Reduced
FMR LLC46,061$883.0K0.00%+35,948+355.5%Added
Van Eck Associates Corp45,929$880.0K0.00%+45,929New
Ieq Capital, LLC45,522$872.7K0.01%00.0%Unchanged
Hussman Strategic Advisors, Inc.42,000$805.1K0.18%−63,000−60.0%Reduced
Cambridge Investment Research Advisors, Inc.41,117$788.0K0.00%+7,393+21.9%Added
Rockefeller Capital Management L.P.40,926$784.6K0.00%+40,926New
Janney Montgomery Scott LLC40,267$772.0K0.00%+40,267New
Envestnet Asset Management Inc40,074$768.2K0.00%−3,396−7.8%Reduced
Two Sigma Investments, LP39,704$761.1K0.00%00.0%Unchanged
Squarepoint Ops LLC38,447$737.0K0.00%+38,447New
Quadrature Capital Ltd37,725$723.2K0.01%+37,725New
Ensign Peak Advisors, Inc37,300$715.0K0.00%+22,050+144.6%Added
Veracity Capital LLC37,156$712.3K0.25%−2,904−7.2%Reduced
Comerica Bank36,813$705.7K0.00%+33,463+998.9%Added
New York State Common Retirement Fund36,500$699.7K0.00%+36,500New
Arizona State Retirement System34,031$652.4K0.00%+652+2.0%Added
Quest Partners LLC33,175$636.0K0.06%+11,922+56.1%Added
Voya Investment Management LLC31,642$606.6K0.00%+31,642New
Zurcher Kantonalbank (Zurich Cantonalbank)30,033$575.7K0.00%−288−0.9%Reduced
Jones Financial Companies LLLP32,759$566.4K0.00%+25,034+324.1%Added
Silverleafe Capital Partners, LLC28,320$542.9K0.19%+20+0.1%Added
KLP Kapitalforvaltning AS27,200$521.4K0.00%+4,700+20.9%Added
Rollins Financial Advisors, LLC26,269$503.6K0.08%+26,269New
Police & Firemen's Retirement System of New Jersey26,103$500.4K0.00%+26,103New
SeaCrest Wealth Management, LLC25,900$496.5K0.05%+208+0.8%Added
Mariner, LLC25,232$483.7K0.00%+11,169+79.4%Added
ProShare Advisors LLC23,643$453.2K0.00%+23,643New
Qsemble Capital Management, LP23,535$451.2K0.04%+23,535New
Savvy Advisors, Inc.23,146$443.7K0.03%+150+0.7%Added
Pathstone Holdings, LLC22,683$434.8K0.00%+22,683New