Walleye Trading LLC
- SEC CIK
- 0001388391
- Latest filing
- Aug 3, 2026
RGEN holding history
Repligen Corp in every 13F filed by Walleye Trading LLC, 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 Q2 2026 holdings
- Shares (Q2 2026)
- 43,268
- Value
- $5.90M
- % of portfolio
- 0.1%
- Quarters held
- 12
- Since Q2 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 43,268 | $5.90M | 0.1% | +43,268 | New | Holders |
| Q1 2026 | 0 | $0 | 0.0% | −18−100.0% | Sold out | Holders |
| Q4 2025 | 18 | $2.95K | <0.1% | −943−98.1% | Reduced | Holders |
| Q3 2025 | 961 | $128.5K | <0.1% | +274+39.9% | Added | Holders |
| Q2 2025 | 687 | $85.4K | <0.1% | −381−35.7% | Reduced | Holders |
| Q1 2025 | 1,068 | $135.9K | <0.1% | −7,613−87.7% | Reduced | Holders |
| Q4 2024 | 8,681 | $1.25M | <0.1% | +4,812+124.4% | Added | Holders |
| Q3 2024 | 3,869 | $575.8K | <0.1% | −4,077−51.3% | Reduced | Holders |
| Q2 2024 | 7,946 | $1.00M | <0.1% | +7,946 | New | Holders |
| Q1 2024 | 0 | $0 | 0.0% | −10,334−100.0% | Sold out | Holders |
| Q4 2023 | 10,334 | $1.86M | <0.1% | +5,145+99.2% | Added | Holders |
| Q3 2023 | 5,189 | $825.1K | <0.1% | −3,634−41.2% | Reduced | Holders |
| Q2 2023 | 8,823 | $1.25M | 0.1% | +8,823 | New | Holders |
| Q3 2021 | 0 | $0 | 0.0% | −3,172−100.0% | Sold out | Holders |
| Q2 2021 | 3,172 | $633.0K | <0.1% | +3,172 | New | Holders |