QSI
Quantum-Si IncPrice
Daily candles with volume. Pins mark insider trades, rating changes, 13F stakes, reports, catalysts and short-interest jumps.
- B Mar 5 2 insiders buy $564.3K at $0.9252
- R Mar 5 Two Quantum-Si Inc (QSI) directors, Dowdy Paula and Charles R. Kumme…
- S Mar 20 to Mar 23 2 days of insider sells: $55.6K by 4 insiders, avg $0.8372
- S Apr 20 to Apr 21 2 days of insider sells: $242.4K by 2 insiders, avg $1.00
- S Jun 22 to Jun 23 2 days of insider sells: $71.2K by 4 insiders, avg $0.9282
- S Sep 21 to Sep 22 2 days of insider sells: $39.4K by 3 insiders, avg $0.7574
- R Sep 29 Quantum-Si presented interim development data for its next-generatio…
Signal stack
Where each data set points today.
- InsidersMIXED
2 insiders bought $564.3K at an average $0.9252. 4 insiders sold $408.5K. Price is 58% above their cost.
- InstitutionsBEARISH
Q2 2026: 12 added (0 new), 21 trimmed or exited.
- AnalystsBULLISH
5 of 7 rate it Buy or better. Median target $1.90 (+30%).
- EstimatesFALLING
Current-quarter EPS estimate −$0.110 → −$0.120 over 90 days. 0 up, 1 down in 30 days.
- TrendUPTREND
50% above its 50-day average.
- SocialQUIET
Crowd 61° (warm) this week from 5 mentions: 2 bullish, 0 bearish. No setup call. Excludes 1 subscriber-only day.
Who's buying
13F· Q2 2026| Fund | Move | Value |
|---|---|---|
| BlackRock, Inc. | TRIM | $4.6M |
| UBS Group AG | ADD | $2.3M |
| GEODE CAPITAL MANAGEMENT, LLC | TRIM | $2.0M |
| STATE STREET CORP | NEAR_EXIT | $788.3K |
| RENAISSANCE TECHNOLOGIES LLC | DOUBLED | $490.2K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | TRIM | $439.9K |
| NORTHERN TRUST CORP | TRIM | $398.7K |
| BNP PARIBAS FINANCIAL MARKETS | DOUBLED | $352.8K |
Quarterly 13F filings are due 45 days after each quarter ends.
The Street
7 analystsPrice is inside the target range. Median implies +30%.Targets as of Oct 27, 2026.
| Date | Firm | Rating |
|---|---|---|
| Sep 29, 2026 | HC Wainwright & Co. REITERATE | Buy |
Insider ledger
Form 4| Date | Insider | Type | Value |
|---|---|---|---|
| Sep 22, 2026 | LaPointe Christian GC & Corp. Secretary | SELL | $3.6K |
| Sep 22, 2026 | Keyes Jeffry R. Chief Financial Officer | SELL | $1.9K |
| Sep 22, 2026 | Hawkins Jeffrey Alan President & CEO | SELL | $7.4K |
| Sep 21, 2026 | LaPointe Christian GC & Corp. Secretary | SELL | $7.4K |
| Sep 21, 2026 | Keyes Jeffry R. Chief Financial Officer | SELL | $3.9K |
| Sep 21, 2026 | Hawkins Jeffrey Alan President & CEO | SELL | $15.2K |
| Jun 23, 2026 | Hawkins Jeffrey Alan President & CEO | SELL | $10.2K |
| Jun 23, 2026 | Vieceli John S. Chief Product Officer | SELL | $13.6K |
Earnings setup
Estimates| Period | EPS est. | Range | 30D rev. | Revenue |
|---|---|---|---|---|
| Current Q | -$0.12 | -$0.12–-$0.12 | -9.1% | $268.3K |
| Next Q | -$0.10 | -$0.10–-$0.10 | +9.1% | $242.3K |
| Current FY | -$0.40 | -$0.40–-$0.40 | +0.0% | $1.1M |
| Next FY | -$0.35 | -$0.35–-$0.35 | +2.8% | $5.8M |
Short side
FINRA· Oct 15, 2026SecBot reports
11 filings · 1 press release · 2 bullish · 0 bearish · 9 neutral- NEUTRAL 8-KOct 15, 2026
Quantum-Si Inc. (QSI) received formal notice from Nasdaq on October 14, 2026, that it has regained…
The delisting risk is resolved for now, but the company's own filing warns it may not maintain compliance. Monitor QSI's stock price for sustained trading above $1.00; any dip below that threshold…
- NEUTRAL PRESS RELEASEOct 15, 2026
Quantum-Si Incorporated announced it has regained compliance with Nasdaq's minimum bid price…
Monitor next quarterly filing for revenue and cash runway updates; the compliance resolution removes a near-term overhang but does not change the fundamental business trajectory.
- NEUTRAL 8-KOct 8, 2026
Quantum-Si announced it has demonstrated detection of 19 amino acids in its Proteus development…
Monitor for year-end 2026 milestone of 20-amino-acid detection and any updates on Proteus commercial launch timing in Q2 2027. No revenue or earnings data in this filing — next catalyst is likely a…
- BULLISH 8-KSep 28, 2026
Quantum-Si presented interim development data for its next-generation Proteus platform at World…
The interim Proteus data represents a meaningful technical validation that de-risks the platform ahead of the Q2 2027 launch target. Key milestones to watch for: demonstration of all 20 amino acid…
All QSI filing & press-release reports (12)
- 8-K reportOct 15, 2026
- PRESS-RELEASE reportOct 15, 2026
- 8-K reportOct 8, 2026
- 8-K reportSep 28, 2026
- 144 reportSep 23, 2026
- 144 reportSep 23, 2026
- 8-K reportJun 24, 2026
- 144 reportJun 24, 2026
- 144 reportJun 24, 2026
- CLUSTER reportMar 20, 2026
- CLUSTER reportMar 5, 2026
- CLUSTER reportMar 5, 2026