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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. Rothberg36.37%51,573,715$90.77MInsider
4c Holdings I LLC12.65%17,943,750$31.58MInsider
Ark Investment Management LLC9.00%12,768,876$22.47MInstitution
2012 Jmr Trust Common LLC8.80%12,480,108$21.96MInsider
James B. Tananbaum5.94%8,424,317$14.83MInsider
Sumitomo Mitsui Trust Holdings Inc5.68%8,054,503$14.18MInstitution
Nikko Asset Management Americas Inc5.68%8,054,503$14.18MInstitution
Blackrock Inc5.10%7,231,995$12.73MInstitution
Vanguard Group Inc3.74%5,300,685$9.33MInstitution
State Street Corp1.52%2,159,809$3.80MInstitution

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QSI vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
QSI34.91%65.09%Net BuyingNet Buying
BOLD65.14%23.96%Net BuyingNet Buying
IPHA0.32%0.00%
QURE66.45%13.78%Net SellingNet Selling
IVVD44.12%55.88%Net Selling

Quantum Si Stock Ownership FAQ

Who owns Quantum Si?

Quantum Si (NASDAQ: QSI) is owned by 37.30% institutional shareholders, 69.54% Quantum Si insiders, and 0.00% retail investors. Jonathan M. Rothberg is the largest individual Quantum Si shareholder, owning 51.57M shares representing 36.37% of the company. Jonathan M. Rothberg's Quantum Si shares are currently valued at $85.61M.

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