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NASDAQ: QSI
Quantum Si Inc Stock Ownership - Who owns Quantum Si?

Insider buying vs selling

Have Quantum Si Inc insiders been buying or selling?
Buy
Sell
NameRoleDateSharesPriceValue
Christian LapointeGeneral Counsel Corp. Secr.2024-03-1510,000$1.74
$17.40kBuy
Jeffrey Alan HawkinsPresident CEO2024-03-1425,000$1.76
$44.00kBuy
Jeffry R. KeyesChief Financial Officer2024-03-0550,000$1.61
$80.50kBuy

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Net Insider Buy/Sell (L12M) Ownership

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QSI Shareholders

What type of owners hold Quantum Si Inc stock?
Institutional
Insider
Retail
NameHoldSharesValueType
Jonathan M. Rothberg36.38%51,573,715$87.68MInsider
4c Holdings I LLC12.66%17,943,750$30.50MInsider
Ark Investment Management LLC10.95%15,519,322$26.38MInstitution
2012 Jmr Trust Common LLC8.80%12,480,108$21.22MInsider
Nikko Asset Management Americas Inc6.02%8,532,917$14.51MInstitution
Sumitomo Mitsui Trust Holdings Inc6.02%8,532,917$14.51MInstitution
James B. Tananbaum5.94%8,424,317$14.32MInsider
Blackrock Inc5.21%7,383,571$12.55MInstitution
Vanguard Group Inc3.68%5,218,222$8.87MInstitution
State Street Corp1.56%2,209,837$3.76MInstitution

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QSI vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
QSI36.43%63.57%Net BuyingNet Buying
INO61.56%38.44%Net SellingNet Selling
VSTM25.42%74.58%Net SellingNet Selling
ACIU29.88%0.00%
CDT1.86%73.61%

Quantum Si Stock Ownership FAQ

Who owns Quantum Si?

Quantum Si (NASDAQ: QSI) is owned by 39.86% institutional shareholders, 69.57% Quantum Si insiders, and 0.00% retail investors. Jonathan M. Rothberg is the largest individual Quantum Si shareholder, owning 51.57M shares representing 36.38% of the company. Jonathan M. Rothberg's Quantum Si shares are currently valued at $86.13M.

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