River Street Advisors LLC
- SEC CIK
- 0001964897
- Latest filing
- Jul 21, 2026
REGN holding history
Regeneron Pharmaceuticals, Inc. in every 13F filed by River Street Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
REGN overviewAll 13F holders of REGNFull Q2 2026 holdings
- Shares (Q2 2025)
- 0
- Sold out in Q2 2025
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 10
- Since Q4 2022
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2025 | 0 | $0 | 0.0% | −615−100.0% | Sold out | Holders |
| Q1 2025 | 615 | $390.1K | 0.2% | +62+11.2% | Added | Holders |
| Q4 2024 | 553 | $393.9K | 0.2% | +41+8.0% | Added | Holders |
| Q3 2024 | 512 | $538.2K | 0.3% | +8+1.6% | Added | Holders |
| Q2 2024 | 504 | $529.7K | 0.3% | +44+9.6% | Added | Holders |
| Q1 2024 | 460 | $442.7K | 0.3% | +30+7.0% | Added | Holders |
| Q4 2023 | 430 | $377.7K | 0.3% | −57−11.7% | Reduced | Holders |
| Q3 2023 | 487 | $400.8K | 0.4% | +22+4.7% | Added | Holders |
| Q2 2023 | 465 | $334.1K | 0.3% | −9−1.9% | Reduced | Holders |
| Q1 2023 | 474 | $389.5K | 0.4% | +14+3.0% | Added | Holders |
| Q4 2022 | 460 | $331.9K | 0.4% | – | No prior filing | Holders |