QSI — Quantum-Si Inc

Nasdaq · Unknown · Unknown · CIK 1816431 ·
Last close
$1.08
Market Cap
$213.65M
52W High
$1.14
52W Low
$0.69
ADV30
6,736,176
Next earnings
Quantum-Si incorporated, a life sciences company, develops proprietary, universal, and single-molecule detection platform applied to proteomics to enable next-gen protein sequencing (NGPS). The company offers Platinum and Platinum Pro NGPS instruments for single-molecule, amino acid level resolution, and automated data analysis; library preparation kits to prepare a customer's protein sample for sequencing; and sequencing kits, which contain the reagents and consumables used to perform NGPS. It also provides Platinum analysis software, a cloud-based solution that automates data analysis workflows and visualizes the sequencing results. The company was founded in 2013 and is headquartered in Branford, Connecticut.

Quarterly Fundamentals

Revenues vs Net Income (last 4 Q)

Assets vs Liabilities (last 4 Q)

PeriodRevenuesGrossProfit OpIncomeNetIncomeAssets CashLiabilities
Mar 2026 258,000 74,000 -24,053,000 -21,671,000 213,348,000 36,200,000 12,604,000
Dec 2025 451,000 122,000 -21,094,000 -17,611,000 245,607,000 21,639,000 25,381,000
Sep 2025 552,000 194,000 -24,396,000 -35,703,000 260,127,000 30,910,000 24,968,000
Jun 2025 591,000 351,000 -26,758,000 -28,836,000 254,406,000 22,188,000 33,423,000

Cashflow TTM (yfinance, fills SEC gap)

Operating CF
$-94,717,000
Investing CF
$-28,320,000
Financing CF
$95,423,000
CapEx
$-3,969,000
Dividends Paid
Buybacks
EPS Diluted TTM
$-0.52
As of
2026-05-10

Balance + Analyst (yfinance extras)

Retained Earnings
$-697,980,000
Inventory
$3,197,000
Receivables
$5,199,000
ST Investments
$141,271,000
EBIT TTM
$-97,360,000
Pretax Income TTM
$-101,281,000
Interest Exp TTM
Analysts
3

Yahoo Snapshot (yfinance, live)

Total Revenue
$1,852,000
EBITDA
$-91,227,000
Free Cash Flow
$-45,931,124
Enterprise Value
$107,198,776
Total Cash
$127,338,000
Total Debt
$3,711,000
Shares Out
197,822,663
Trailing EPS
$-0.50
Book Value
$0.92
ROE
-46.4%
ROA
-24.8%
Div Yield

Annual Trend (SEC EDGAR, last 4y)

Revenues vs Net Income (last 4y)

FY endRevenuesOpIncome NetIncomeAssetsLiabilities EquityOCF
Dec 2025 2,436,000 -97,360,000 -101,339,000 245,607,000 25,381,000 -94,717,000
Dec 2024 3,058,000 -108,576,000 -101,007,000 247,871,000 32,451,000 -87,795,000
Dec 2023 1,082,000 -111,171,000 -95,960,000 298,250,000 26,631,000 -94,036,000
Dec 2022 0 -114,358,000 -132,442,000 391,485,000 32,779,000 -90,560,000

TTM Snapshot

Revenues TTM
$2,020,000
NetIncome TTM
$-100,082,000
OpCashFlow TTM
$0
Assets (Latest)
$247,871,000
Forward EPS
$-0.36

News headlines (Yahoo Finance, 1h cache)

Quantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)
2026-05-14 00:00 · Yahoo
Quantum-Si Q1 Earnings Call Highlights
2026-05-08 22:13 · Yahoo
Quantum-Si incorporated Q1 2026 Earnings Call Summary
2026-05-08 12:30 · Yahoo
Quantum-Si Incorporated (QSI) Reports Q1 Loss, Misses Revenue Estimates
2026-05-07 23:05 · Yahoo
Quantum-Si (QSI) Q1 2026 Earnings Transcript
2026-05-07 22:46 · Yahoo
Quantum-Si Reports First Quarter 2026 Financial Results and Highlights Proteus™ Development Milestones
2026-05-07 20:05 · Yahoo
Quantum-Si to Participate in the H.C. Wainwright 4th Annual BioConnect Investor Conference at NASDAQ
2026-05-01 12:30 · Yahoo
Quantum-Si Announces Successful Sequencing on Integrated Proteus™ Instruments
2026-04-28 12:30 · Yahoo
Quantum-Si to Report First Quarter 2026 Financial Results on May 7, 2026
2026-04-16 12:30 · Yahoo
Quantum-Si Announces Two Customer Posters to be Presented at the American Association of Cancer Research Annual Meeting
2026-04-15 12:30 · Yahoo

Recent Insider Activity

No insider activity indexed for this ticker.