David Loasby
- SEC CIK
- 0001775863
- Latest filing
- Feb 13, 2026
RGEN holding history
Repligen Corp in every 13F filed by David Loasby, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
RGEN overviewAll 13F holders of RGENFull Q4 2025 holdings
- Shares (Q4 2025)
- 3,770
- Value
- $634.9K
- % of portfolio
- <0.1%
- Quarters held
- 9
- Since Q4 2023
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q4 2025 | 3,770 | $634.9K | <0.1% | −1,408−27.2% | Reduced | Holders |
| Q3 2025 | 5,178 | $755.6K | 0.1% | +498+10.6% | Added | Holders |
| Q2 2025 | 4,680 | $556.5K | <0.1% | +1,073+29.7% | Added | Holders |
| Q1 2025 | 3,607 | $415.5K | <0.1% | +345+10.6% | Added | Holders |
| Q4 2024 | 3,262 | $505.2K | <0.1% | +8+0.2% | Added | Holders |
| Q3 2024 | 3,254 | $452.4K | <0.1% | +201+6.6% | Added | Holders |
| Q2 2024 | 3,053 | $369.3K | <0.1% | +804+35.7% | Added | Holders |
| Q1 2024 | 2,249 | $409.1K | <0.1% | +802+55.4% | Added | Holders |
| Q4 2023 | 1,447 | $248.3K | <0.1% | +1,447 | New | Holders |