8-K - Quantum-Si Inc (0001816431) (Filer)
Published . Updated .
Filed: 2026-10-08 AccNo: 0001816431-26-000064 Size: 1 MB Item 7.01: Regulation FD Disclosure Item 9.01: Financial Statements and Exhibits
Directly affected
- QSI Quantum-Si
Named in this report.
Indirectly affected
- CQTM CORGI ETF TR I QUANTUM COMPUTI
GA selected CQTM as a RELATED security because its canonical security name directly matches this event's themes: quantum. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article.
Price reaction, T-5 to T+3
Filed: 2026-10-08 AccNo: 0001816431-26-000064 Size: 1 MB Item 7.01: Regulation FD Disclosure Item 9.01: Financial Statements and Exhibits
Source: sec-edgar
The price since 8 Oct 2026: Quantum-Si (QSI) versus the S&P 500
Since the first closing price after “8-K - Quantum-Si Inc (0001816431) (Filer),” Quantum-Si (QSI) is -28.62%. The S&P 500 fund (SPY) is -1.53% over the same days, a -27.09% difference versus the market.
| Company | When | Move | Status |
|---|---|---|---|
| Corgi Etf Tr I Quantum Computi (CQTM) | that day | -0.46% | final price |
| Corgi Etf Tr I Quantum Computi (CQTM) | the next day | -5.11% | final price |
| Corgi Etf Tr I Quantum Computi (CQTM) | two days later | -7.84% | final price |
| Corgi Etf Tr I Quantum Computi (CQTM) | three days later | -13.85% | final price |
| Corgi Etf Tr I Quantum Computi (CQTM) | three days earlier | +8.26% | final price |
| Corgi Etf Tr I Quantum Computi (CQTM) | five days earlier | +8.26% | final price |
| GLD | that day | +1.57% | final price |
| GLD | the next day | +0.93% | final price |
| GLD | two days later | +0.80% | final price |
| GLD | three days later | -0.70% | final price |
| GLD | three days earlier | +0.96% | final price |
| GLD | five days earlier | +0.41% | final price |
| QQQ | that day | +0.50% | final price |
| QQQ | the next day | -0.20% | final price |
| QQQ | two days later | -0.52% | final price |
| QQQ | three days later | -2.48% | final price |
| QQQ | three days earlier | +1.62% | final price |
| QQQ | five days earlier | +0.27% | final price |
| Quantum-Si (QSI) | that day | +25.10% | final price |
| Quantum-Si (QSI) | the next day | +12.35% | final price |
| Quantum-Si (QSI) | two days later | +16.87% | final price |
| Quantum-Si (QSI) | three days later | +13.99% | final price |
| Quantum-Si (QSI) | three days earlier | 0.00% | final price |
| Quantum-Si (QSI) | five days earlier | +27.16% | final price |
| SPY | that day | +0.60% | final price |
| SPY | the next day | +0.54% | final price |
| SPY | two days later | +0.54% | final price |
| SPY | three days later | -0.55% | final price |
| SPY | three days earlier | +0.67% | final price |
| SPY | five days earlier | -0.55% | final price |
Who gains and who loses around Quantum-Si (QSI)
Companies tied to this story
- QSI Quantum-Si
For “8-K - Quantum-Si Inc (0001816431) (Filer),” Quantum-Si (QSI) is linked, with no stored direction, high confidence. Reason on file: SEC 8-K filing -> direct issuer disclosure -> QSI
- CQTM Corgi Etf Tr I Quantum Computi
In “8-K - Quantum-Si Inc (0001816431) (Filer),” Corgi Etf Tr I Quantum Computi (CQTM) is linked, with no stored direction, medium confidence. Reason on file: GA selected CQTM as a RELATED security because its canonical security name directly matches this event's themes: quantum. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article
How “8-K - Quantum-Si Inc (0001816431) (Filer)” reaches Quantum-Si (QSI)
“8-K - Quantum-Si Inc (0001816431) (Filer)” (8 Oct 2026) reaches Quantum-Si (QSI) through this story.
Quantum-Si (QSI) is on the page because SEC 8-K filing -> direct issuer disclosure -> QSI
Also listed, Corgi Etf Tr I Quantum Computi (CQTM): GA selected CQTM as a RELATED security because its canonical security name directly matches this event's themes: quantum. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article
Dates and price levels for Quantum-Si (QSI)
CQTM traded between 18.36 and 24.50 across 20 sessions. The latest close on file is 18.39. QSI traded between 0.75 and 1.66 across 20 sessions. The latest close on file is 1.08.
What the saved facts support for Quantum-Si (QSI)
48 out of 100
“8-K - Quantum-Si Inc (0001816431) (Filer)” scores 48 out of 100. The score uses 1 sources, a +11.81% difference versus the S&P 500 (SPY), and 2 linked companies.