Stock research
PEN — PENUMBRA INC
PEN is reported by 8 tracked managers with $604.3M 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
- $604.3M
- Ownership breadth
- Not available
- Current price
- $318
Top reported managers
These managers have the largest visible reported positions in PEN. Portfolio weight is measured within each manager's latest visible filing.
- Israel Englander0.2% of reported portfolio · $221.2M · Filed Aug 14, 2026
- Ken Griffin0.1% of reported portfolio · $141.7M · Add · Filed Aug 14, 2026
- John Overdeck / David Siegel0.1% of reported portfolio · $135.2M · Add · Filed Aug 14, 2026
- David Shaw0% of reported portfolio · $62.3M · Reduce · Filed Aug 14, 2026
- Jim Simons0% of reported portfolio · $25.1M · Add · Filed Aug 13, 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.