Quick Takeaways
- RA CAPITAL MANAGEMENT, L.P. filed SCHEDULE 13D/A for TYRA BIOSCIENCES, INC. Common Stock, $0.0001 par value per share (TYRA).
- Disclosed ownership: 21%.
- Date of event: 04 Mar 2026.
RA CAPITAL MANAGEMENT, L.P. - 04 Mar 2026 SCHEDULE 13D/A Report for TYRA BIOSCIENCES, INC. Common Stock, $0.0001 par value per share (TYRA)
- Filing Manager
- RA CAPITAL MANAGEMENT, L.P.
- Reporting Manager
- RA Capital Management, L.P.
- Symbol
- TYRA
- Shares outstanding
- 57,861,203 shares
- Disclosed Ownership
- 12,266,575 shares
- Ownership
- 21%
- Form type
- SCHEDULE 13D/A
- Filing time
- 06 Mar 2026, 16:28:06 UTC
- Date of event
- 04 Mar 2026
- Previous filing
- 06 Jun 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"RA CAPITAL MANAGEMENT, L.P. disclosed 21% ownership in TYRA BIOSCIENCES, INC. Common Stock, $0.0001 par value per share (TYRA) on 04 Mar 2026."
What Changed
- Previous schedule filing date: 06 Jun 2025.
- Current filing was accepted on 06 Mar 2026, 16:28.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (4)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| RA Capital Management, L.P. | 21% | 12,266,575 | 0 | 12,266,575 | /s/ Peter Kolchinsky | By Peter Kolchinsky, Authorized Signatory | 0001346824 |
| Peter Kolchinsky | 21% | 12,266,575 | 0 | 12,266,575 | /s/ Peter Kolchinsky | Peter Kolchinsky | 0001384859 |
| Rajeev Shah | 21% | 12,266,575 | 0 | 12,266,575 | /s/ Rajeev Shah | Rajeev Shah | 0001619841 |
| RA Capital Healthcare Fund, L.P. | 18% | 10,259,291 | 0 | 10,259,291 | /s/ Peter Kolchinsky | By RA Capital Healthcare Fund GP, LLC, its General Partner, By Peter Kolchinsky, Manager | 0001315082 |