Quantum-Si Inc(QSI)Stock Analysis
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Rank #2,878 of 2,962 stocks
Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Nov 14, 2026.
Revenue Growth
Profitability
Balance Sheet
Earnings Quality
Free Cash Flow
Institutional Flow
Revenue Scale
Dilution Risk
Unusual Activity in QSI
Events flagged as statistical outliers against QSI's own multi-year baseline — not fixed dollar thresholds.
QSI Stock Analysis & AI Quality Score
Data updated 2026-09-11AI stock analysis and institutional research for Quantum-Si Inc (QSI), a Technology sector company. 13F Pro's AI-powered ranking engine scores QSI at 13.2/100 on a 32-signal composite quality model, placing it at rank #2,878 of 2,962 stocks — the bottom half of the AI-ranked universe. Areas of concern include free cash flow (0.6) and revenue scale (0.6), which score below median versus the broader universe. Shareholder dilution risk is elevated at 1.2/100, reflecting ongoing share issuance or stock-based compensation. Based on the latest XBRL financial filings (Q2 2026), Quantum-Si Inc reports quarterly revenue of $344.0K, net income of $-23.5M, free cash flow of $-18.5M. Top institutional holders of QSI by reported 13-F value include VANGUARD CAPITAL MANAGEMENT, ARK Investment Management, BlackRock, based on the most recent SEC filings. QSI trades on the Nasdaq exchange and files with the SEC under CIK 1816431. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate QSI daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for Quantum-Si Inc directly from SEC EDGAR. Quantum-Si Inc's 13F Pro composite quality score has ranged between 4 and 31 since 2024, currently 13.2 — a stable long-term trajectory across 56 quarterly and live scoring snapshots.
Revenue
Q2 2026
$344.0K
Net Income
Q2 2026
$-23.5M
Free Cash Flow
Q2 2026
$-18.5M
ROIC
Q2 2026
-56.9%
Revenue & Net Income
Earnings Per Share
Key Financials Over Time
Export Financial Table · ProRevenue
-20.3% YoYNet Income
-0.3% YoYOperating Income
-6.9% YoYEPS (Diluted)
+28.2% YoYTotal Assets
-0.9% YoYOp. Cash Flow
-7.9% YoYFree Cash Flow
-5.3% YoY| Metric | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 |
|---|---|---|---|---|---|---|
| Revenue | $2.4M -20.3% | $3.1M +182.6% | $1.1M | $0.00 | $0.00 | — |
| Net Income | $-101.3M -0.3% | $-101.0M -5.3% | $-96.0M +27.5% | $-132.4M -39.4% | $-95.0M -159.4% | $-36.6M |
| Operating Income | $-116.1M -6.9% | $-108.6M +2.3% | $-111.2M +10.2% | $-123.8M -27.8% | $-96.9M -164.1% | $-36.7M |
| EPS (Diluted) | $-0.51 +28.2% | $-0.71 -4.4% | $-0.68 +28.4% | $-0.95 +20.2% | $-1.19 +82.6% | $-6.84 |
| Total Assets | $245.6M -0.9% | $247.9M -16.9% | $298.3M -23.8% | $391.5M -22.2% | $503.2M +1139.7% | $40.6M |
| Operating Cash Flow | $-94.7M -7.9% | $-87.8M +6.6% | $-94.0M -3.8% | $-90.6M -35.5% | $-66.8M -105.1% | $-32.6M |
| Free Cash Flow | $-97.2M -5.3% | $-92.4M +6.3% | $-98.5M +2.7% | $-101.3M -39.6% | $-72.6M -119.7% | $-33.0M |
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Available Research
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Top Institutional Holders of QSI
VANGUARD CAPITAL MANAGEMENT LLC
$6.7M7,578,208 shARK Investment Management LLC
$6.3M7,167,738 shBlackRock, Inc.
$4.6M5,225,352 shNikko Asset Management Americas, Inc.
$3.5M3,885,230 shSumitomo Mitsui Trust Holdings, Inc.
$3.4M3,885,230 shMILLENNIUM MANAGEMENT LLC
$2.8M3,131,726 shUBS Group AG
$2.3M2,561,897 shAQR CAPITAL MANAGEMENT LLC
$2.1M2,348,665 shGEODE CAPITAL MANAGEMENT, LLC
$2.0M2,236,526 shJANE STREET GROUP, LLC
$1.9M2,142,735 sh
| Fund | Value | Shares |
|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | $6.7M | 7,578,208 |
| ARK Investment Management LLC | $6.3M | 7,167,738 |
| BlackRock, Inc. | $4.6M | 5,225,352 |
| Nikko Asset Management Americas, Inc. | $3.5M | 3,885,230 |
| Sumitomo Mitsui Trust Holdings, Inc. | $3.4M | 3,885,230 |
| MILLENNIUM MANAGEMENT LLC | $2.8M | 3,131,726 |
| UBS Group AG | $2.3M | 2,561,897 |
| AQR CAPITAL MANAGEMENT LLC | $2.1M | 2,348,665 |
| GEODE CAPITAL MANAGEMENT, LLC | $2.0M | 2,236,526 |
| JANE STREET GROUP, LLC | $1.9M | 2,142,735 |
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Similarity is computed from the 8 composite sub-scores and latest-quarter 13F conviction holdings (index-style filers excluded). Refreshed monthly.
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Popular Research
Is QSI a good stock to buy?
13F Pro's AI-powered analysis of Quantum-Si Inc (QSI) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Technology sector (listed on Nasdaq). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for QSI are available on the QSI stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing. QSI is classified as a small company.
Which hedge funds own QSI?
Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling QSI. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of Quantum-Si Inc's investment landscape.