Siren, L.L.C.
- SEC CIK
- 0002005245
- Latest filing
- Aug 13, 2026
KLRS holding history
Kalaris Therapeutics, Inc. in every 13F filed by Siren, L.L.C., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
KLRS overviewAll 13F holders of KLRSFull Q2 2026 holdings
- Shares (Q2 2026)
- 435,798
- Value
- $1.77M
- % of portfolio
- <0.1%
- Quarters held
- 8
- Since Q3 2024
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 435,798 | $1.77M | <0.1% | 00.0% | Unchanged | Holders |
| Q1 2026 | 435,798 | $2.51M | 0.1% | 00.0% | Unchanged | Holders |
| Q4 2025 | 435,798 | $3.68M | 0.1% | +117,534+36.9% | Added | Holders |
| Q3 2025 | 318,264 | $1.84M | 0.1% | +35,678+12.6% | Added | Holders |
| Q2 2025 | 282,586 | $754.5K | <0.1% | 00.0% | Unchanged | Holders |
| Q1 2025 | 282,586 | $2.27M | 0.1% | −4,247−1.5% | ReducedConverted for a 1-for-23 split | Holders |
| Q4 2024 | 6,597,167 | $2.77M | 0.1% | 00.0% | Unchanged | Holders |
| Q3 2024 | 6,597,167 | $5.33M | 0.3% | – | No prior filing | Holders |