Form
SCHEDULE 13G/A
Passive or exempt beneficial ownership filing.
GAGNON SECURITIES LLC - 31 Dec 2025 SCHEDULE 13G/A Report for CareDx, Inc. Common Stock (CDNA)
- Filing manager
- GAGNON SECURITIES LLC
- Reporting owner
- Neil Gagnon
- Security
- CareDx, Inc. Common Stock
- Beneficially owned shares
- 3,054,946 shares
- Large-stake signal
-
Ownership
5.9%Beneficial ownership of this reported class.
Shares
3,054,946 sharesShares beneficially owned as disclosed.
Event date
31 Dec 2025Date tied to the ownership event or amendment.
Accepted by SEC
12 Feb 2026EDGAR acceptance date.
How to read this large-stake filing
- Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
- Compare this filing with the holder history and issuer page before treating the percentage as a current position.
- Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
- Class ownership
- 5.9%
- Symbol
- CDNA
- Shares outstanding
- 51,778,746 shares
- Form type
- SCHEDULE 13G/A
- Accepted by SEC
- 12 Feb 2026, 17:54:54 UTC
- Event date
- 31 Dec 2025
- Previous filing
- 24 Jul 2025
- SEC filing
- View source filing
Ownership signal
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Subject security
Who this page is about.
2 source fields
Source evidence
Original filing metadata and source links for verification.
5 source fields
Key filing fact
GAGNON SECURITIES LLC disclosed 5.9% ownership in CareDx, Inc. Common Stock (CDNA) on 31 Dec 2025.
Key facts
- GAGNON SECURITIES LLC filed SCHEDULE 13G/A for CareDx, Inc. Common Stock (CDNA).
- Disclosed ownership: 5.9%.
- Date of event: 31 Dec 2025.
Change
- Previous schedule filing date: 24 Jul 2025.
- Current filing was accepted on 12 Feb 2026, 17:54.
Research use
- This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
- Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.
Evidence
Backed by Schedule 13D/13G
View source filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Disclosed reporting parties (3)
Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares owned | Sole voting power | Shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Gagnon Securities LLC | 4.3% | 2,213,827 | 0 | 1,897,611 | /s/ Neil Gagnon | Neil Gagnon/Chief Executive Officer | |
| Gagnon Advisors, LLC | 1% | 532,892 | 0 | 532,892 | /s/ Neil Gagnon | Neil Gagnon/Managing Member | |
| Neil Gagnon | 5.9% | 3,054,946 | 177,878 | 2,551,068 | /s/ Neil Gagnon | Neil Gagnon |
CIK / CUSIP context first