Quantum-Si Inc (QSI)

Price$0.7660Cached quote
QSINasdaq
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Financial charts

Total cash / debt

CashTotal debt

Financial statements

7 annual periodsNewest to oldest
2025202420232022202120202019
Revenue$2.4M$3.1M$1.1M$0$0——
Gross profit$1.2M$1.6M$488,000$0$0——
Gross margin47.33%52.32%45.10%————
Research & development$53.8M$59.6M$67.0M$72.1M$46.6M$27.6M$28.1M
Operating expenses$117.3M$110.2M$111.7M$123.8M$96.9M$36.7M$36.6M
Operating income−$116.1M−$108.6M−$111.2M−$123.8M−$96.9M−$36.7M−$36.6M
Operating margin−4,765.97%−3,550.56%−10,274.58%————
EBITDA−$111.6M−$104.0M−$107.0M−$121.3M−$95.9M−$35.8M−$35.8M
EBITDA margin−4,583.13%−3,400.13%−9,890.48%————
Net income−$101.3M−$101.0M−$96.0M−$132.4M−$95.0M−$36.6M−$35.8M
Net profit margin−4,160.06%−3,303.04%−8,868.76%————
Basic EPSper basic share-$0.51-$0.71-$0.68-$0.95-$1.19-$6.84-$6.95
Diluted EPSper diluted share-$0.51-$0.71-$0.68-$0.95-$1.19-$6.84-$6.95

Owners

Reported shareholders

Reference date Jun 30, 2026
ROTHBERG JONATHAN M · ≈6.89% of listed sharesVANGUARD CAPITAL MANAGEMENT LLC · 3.81% of listed sharesARK Investment Management LLC · 3.60% of listed sharesBlackRock, Inc. · 2.63% of listed sharesSumitomo Mitsui Trust Group, Inc. · 1.95% of listed sharesAmova Asset Management Americas, Inc. · 1.95% of listed sharesHawkins Jeffrey Alan · ≈1.84% of listed sharesMILLENNIUM MANAGEMENT LLC · 1.57% of listed sharesUBS Group AG · 1.29% of listed sharesAQR CAPITAL MANAGEMENT LLC · 1.18% of listed sharesGEODE CAPITAL MANAGEMENT, LLC · 1.12% of listed sharesJANE STREET GROUP, LLC · 1.08% of listed sharesKeyes Jeffry R. · ≈0.87% of listed sharesRAKIN KEVIN · ≈0.61% of listed sharesLaPointe Christian · ≈0.59% of listed sharesVieceli John S. · ≈0.57% of listed sharesSUSQUEHANNA INTERNATIONAL GROUP, LLP · 0.56% of listed sharesVANGUARD FIDUCIARY TRUST CO · 0.56% of listed sharesSTATE STREET CORP · 0.45% of listed sharesKummeth Charles R. · ≈0.43% of listed shares
≈6.89%of listed shares
ROTHBERG JONATHAN M13.71M shares · May 18, 2026
View holders
Top 20 reported holders of QSI
Holder% owned
ROTHBERG JONATHAN M
≈6.89%13.71M shares
VANGUARD CAPITAL MANAGEMENT LLC
3.81%7.58M shares
ARK Investment Management LLC
3.60%7.17M shares
BlackRock, Inc.
2.63%5.23M shares
Sumitomo Mitsui Trust Group, Inc.
1.95%3.89M shares
Amova Asset Management Americas, Inc.
1.95%3.89M shares
Hawkins Jeffrey Alan
≈1.84%3.67M shares
MILLENNIUM MANAGEMENT LLC
1.57%3.13M shares
UBS Group AG
1.29%2.56M shares
AQR CAPITAL MANAGEMENT LLC
1.18%2.35M shares
GEODE CAPITAL MANAGEMENT, LLC
1.12%2.24M shares
JANE STREET GROUP, LLC
1.08%2.14M shares
Keyes Jeffry R.
≈0.87%1.72M shares
RAKIN KEVIN
≈0.61%1.22M shares
LaPointe Christian
≈0.59%1.18M shares
Vieceli John S.
≈0.57%1.14M shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP
0.56%1.12M shares
VANGUARD FIDUCIARY TRUST CO
0.56%1.12M shares
STATE STREET CORP
0.45%890.74K shares
Kummeth Charles R.
≈0.43%855K shares

Percentages use 198.95M shares of this listed class outstanding on Jun 30, 2026. ≈ compares the latest reported holding with a share total from a different date; it is not a confirmed current stake.

Gray completes the 100% scale. Reported positions may overlap; holders have different reporting dates.

Source: SEC Form 4 ↗Updated Sep 29, 2026 · Quarterly data

Insider buys & sells

Jul 1, 2024–Jun 30, 2026
Buys7$799.2K disclosed value
Sells (SEC code S)54$12.58M disclosed value
61 recent transactions
TransactionInsiderTypeSharesPriceValueOwned after
Jun 23, 2026Form 4LaPointe ChristianGC & Corp. SecretarySellClass A Common Stock7.8K$0.90$7.0K1.18M
Jun 23, 2026Form 4Keyes Jeffry R.Chief Financial OfficerSellClass A Common Stock4.1K$0.90$3.7K1.72M
Jun 23, 2026Form 4Vieceli John S.Chief Product OfficerSellClass A Common Stock15.1K$0.90$13.6K1.14M
Jun 23, 2026Form 4Hawkins Jeffrey AlanPresident & CEOSellClass A Common Stock11.3K$0.90$10.2K3.67M
Jun 22, 2026Form 4LaPointe ChristianGC & Corp. SecretarySellClass A Common Stock7.8K$0.96$7.5K1.19M

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