PENUMBRA INC (PEN) Institutional Ownership
PEN is currently held by 2 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $996,275 based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026.
The largest disclosed holder is Renaissance Technologies LLC, which reported ownership valued at approximately $709,279 in its March 31, 2026 13F filing. Based on current market prices and the latest disclosed share count, Renaissance Technologies LLC's PEN position is now estimated to be worth approximately $682,020, representing an estimated loss of -3.84% since the filing period.
Major shareholders tracked on this page include Renaissance Technologies LLC, Sequoia Financial Advisors, and other prominent asset managers. Collectively, these investors account for approximately 100% of the total disclosed value among the investors covered in this analysis.
This page tracks disclosed ownership trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance to help investors analyze smart money sentiment toward PENUMBRA INC (PEN).
Institutional Ownership Trend
| Portfolio quarter | Institutional holders | Total reported value | Total shares |
|---|---|---|---|
| Q1 2026 | 2 | $996,275 | 3,034 |
| Q2 2025 | 1 | $3,361,853 | 13,100 |
| Q4 2024 | 1 | $1,923,588 | 8,100 |
| Q3 2024 | 1 | $17,487,900 | 90,000 |
| Q2 2024 | 1 | $17,943,009 | 99,700 |
| Q2 2023 | 1 | $516 | 1,500 |
| Q3 2022 | 1 | $25,861 | 136,400 |
| Q2 2022 | 1 | $19,662 | 157,900 |
| Q1 2022 | 1 | $6,975 | 31,400 |
| Q3 2021 | 1 | $2,052 | 7,700 |
| Q2 2021 | 1 | $11,182 | 40,800 |
| Q2 2019 | 1 | $4,848 | 30,300 |
Related PEN Institutional Insights:
- PEN Institutional Ownership & Insiders Activity
- PEN Institutional Ownership & 13F Activity
- PEN Top Institutional Shareholders
- PEN Institutional Buying Activity
- PEN Institutional Selling Activity
- Healthcare Sector Institutional Ownership
- Healthcare Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Healthcare Stocks By Institutional Investors
- Most Sold Healthcare Stocks By Institutional Investors
- PEN Insider Trading & SEC Form 4 Activity
- Top Institutional Investor Stock Rankings