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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, Q3 2024

Institutional positions in Quantum Computing Inc. as of Sep 30, 2024. 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
34
−12 vs. Q2 2024
Shares held
4.01M
+218.1K (+5.8%) vs. Q2 2024
Total value
$2.61M
+$712.0K (+37.4%) vs. Q2 2024
New holders
5
9 more added
Sold out
17
8 more reduced

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 holdersQ3 2024: 34 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 heldQ3 2024: $2.61M
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, Q3 2024

Shares, value and share of portfolio for each institution holding Quantum Computing Inc.; share changes are against Q2 2024.

Institutions holding QUBT in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc2,279,980$1.49M0.00%+50,079+2.2%Added
Geode Capital Management, LLC687,208$448.7K0.00%+65,486+10.5%Added
BlackRock, Inc.293,208$191.4K0.00%+293,208New
State Street Corp204,532$133.5K0.00%00.0%Unchanged
Citadel Advisors LLC83,547$54.5K0.00%+68,143+442.4%Added
XTX Topco Ltd69,999$45.7K0.00%+69,999New
Susquehanna International Group, LLP66,341$43.3K0.00%+42,416+177.3%Added
TRUE Private Wealth Advisors65,718$42.9K0.01%00.0%Unchanged
Virtu Financial LLC60,557$40.0K0.00%+47,880+377.7%Added
Northern Trust Corp45,867$29.9K0.00%00.0%Unchanged
UBS Group AG26,893$17.6K0.00%−1,964−6.8%Reduced
Warren Averett Asset Management, LLC17,663$11.5K0.00%−2,000−10.2%Reduced
Simplex Trading, LLC13,604$8.00K0.00%+10,399+324.5%Added
Advisor Group Holdings, Inc.11,790$7.70K0.00%−9,310−44.1%Reduced
PEAK6 Investments LLC11,300$7.38K0.00%−88,700−88.7%Reduced
Commonwealth Equity Services, LLC11,150$7.00K0.00%−6,200−35.7%Reduced
Ground Swell Capital, LLC10,696$6.98K0.01%+10,696New
Kellett Schaffner Wealth Advisors LLC10,000$6.53K0.00%−10,000−50.0%Reduced
Solutions 4 Wealth, Ltd10,000$6.53K0.01%00.0%Unchanged
Moisand Fitzgerald Tamayo, LLC8,850$5.78K0.00%00.0%Unchanged
Close Asset Management Ltd5,000$3.00K0.00%00.0%Unchanged
Morgan Stanley3,482$2.27K0.00%+50+1.5%Added
Group One Trading, L.P.3,061$2.00K0.00%+2,300+302.2%Added
Massmutual Trust Co FSB2,225$1.45K0.00%00.0%Unchanged
Parkside Financial Bank & Trust2,000$1.31K0.00%+2,000New
Bank of America Corp540$3520.00%+19+3.6%Added
Pineridge Advisors LLC500$3260.00%+500New
Bartlett & Co. Wealth Management LLC225$1470.00%00.0%Unchanged
JPMorgan Chase & Co156$1020.00%−3−1.9%Reduced
Federation des caisses Desjardins du Quebec45$290.00%00.0%Unchanged
Main Street Group, LTD26$170.00%00.0%Unchanged
Natixis1$10.00%00.0%Unchanged
WR Wealth Planners, LLC1$10.00%00.0%Unchanged
Royal Bank of Canada471$00.00%−312−39.8%Reduced
WPWealth LLP0$00.00%−100,000−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−66,159−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−38,184−100.0%Sold out
Jane Street Group, LLC0$00.00%−36,030−100.0%Sold out
Independence Bank of Kentucky0$00.00%−25,350−100.0%Sold out
JustInvest LLC0$00.00%−18,436−100.0%Sold out
HighTower Advisors, LLC0$00.00%−11,581−100.0%Sold out
Exencial Wealth Advisors, LLC0$00.00%−11,000−100.0%Sold out
Charles Schwab Investment Management Inc0$00.00%−10,691−100.0%Sold out
Oakworth Capital, Inc.0$00.00%−3,846−100.0%Sold out
Redwood Wealth Management Group, LLC0$00.00%−3,000−100.0%Sold out
US Bancorp0$00.00%−1,101−100.0%Sold out
Kelly Financial Services LLC0$00.00%−431−100.0%Sold out
Northwestern Mutual Wealth Management Co0$00.00%−250−100.0%Sold out
Hartford Financial Management Inc.0$00.00%−250−100.0%Sold out
TD Waterhouse Canada Inc.0$00.00%−252−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−8−100.0%Sold out
BlackRock Inc.––––Not filed