Stock research
RGEN — REPLIGEN CORP
RGEN is reported by 8 tracked managers with $385.7M in visible reported value. This page connects ownership breadth, filing activity, and price context.
Stock research evidence
The latest visible filing snapshot is 2026 Q2. Values come from reported manager holdings; prices and 52-week context come from the latest available market quote.
- Tracked holders
- 8
- Reported value
- $385.7M
- Ownership breadth
- Not available
- Current price
- $178
Top reported managers
These managers have the largest visible reported positions in RGEN. Portfolio weight is measured within each manager's latest visible filing.
- Lee Ainslie2.4% of reported portfolio · $270.8M · Add · Filed Aug 14, 2026
- Ken Griffin0% of reported portfolio · $51.3M · Reduce · Filed Aug 14, 2026
- Primecap0% of reported portfolio · $44.1M · Add · Filed Aug 14, 2026
- David Shaw0% of reported portfolio · $11.4M · Buy · Filed Aug 14, 2026
- Wallace Weitz0.4% of reported portfolio · $5.6M · Add · Filed Aug 12, 2026
Continue the research
Review the manager roster, compare this company with the most widely held stocks, or browse transparent screens built from the same filing-backed data.