PENUMBRA INC (PEN) Institutional Ownership and Insiders Activity
PENUMBRA INC (PEN) is widely held by institutional investors, with 439 firms reporting positions valued at approximately $10.61B based on SEC Form 13F filings for the quarter ended June 30, 2026.
Blackrock, Inc. is the largest disclosed holder, reporting approximately $1.36B in PEN holdings in its latest filing.
Recent insider activity includes 2 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.
Institutional Holders
439
Total Reported Value
$10.61B
Largest Holder
Blackrock, Inc.
Largest Position
$1.36B
Insider Transactions (90d)
2
Latest Filing Quarter
Q2 2026
New Institutional Positions
44
Funds Exiting Positions
89
Top Institutional Owners
View all- Blackrock, Inc.$1.36B
- Hbk Investments L P$580.51M
- Vanguard Capital Management Llc$539.89M
- Vanguard Portfolio Management Llc$526.44M
- State Street Corp$392.56M
PEN News
All news- Hbk Investments Portfolio Update: June 2026 Insights
Sep 17, 2026 · valut.ai
- Tiger Advisors Q3 2026 Investment Activity Report
Aug 20, 2026 · valut.ai
- Whitebox Advisors Q2 2026 Investment Activity
Aug 19, 2026 · valut.ai
- Water Island Capital Llc Q2 2026 Portfolio Activity: Significant Buys and Sells Observed
Aug 19, 2026 · valut.ai
- Harvest Management Llc Portfolio Shifts: Significant Buys and Sells in Q2 2026
Aug 18, 2026 · valut.ai
- Hbk Investments L P Activity Analysis: Q2 2026 Portfolio Changes
Aug 18, 2026 · valut.ai
- R Squared Ltd Q2 2026 Portfolio Activity: Significant Buys and Sells Observed
Aug 9, 2026 · valut.ai
Related PEN Institutional Insights:
- PEN 13F Institutional Holders
- PEN Top Institutional Shareholders
- PEN Institutional Ownership Changes
- 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
- PEN Articles
- Top Institutional Investor Stock Rankings