Penumbra
- Market cap
- 12.46B
- P/E (TTM)i
- 77.73
- P/Bi
- 8.14
- EPSi
- 4.52
- Div yieldi
- 0.00%
- 52W posi
- 67%
Anonymous reader poll. Unscientific, not investment advice.
✦ Quant Ownership Signal how this is computed
- The number of reporting institutions decreased by 2 in the most recent period (2026/Q3).
- Total institutional ownership (as a % of shares) was little changed.
Institutional ownership
- Held by institutions
- 88.05% +0.03pp
- Institutions
- 534 -2
- As of
- 2026/Q3 vs. prior period
Ownership vs. money flow
AlignedInstitutions added shares last reporting period, and the stock has seen net inflows in main-fund flow over the last 20 trading sessions - the two line up.
Institutional ownership changes are reported quarterly with a lag; fund-flow data is daily. Treat this as a directional cross-check, not a precise timing signal.
Holder types
Top holders as of 2026-06-30
Bar length is relative to the largest holder shown here, not to 100% of the company.
Insiders
50 filings tracked · 14 buys · 36 sells
| Name | Role | Stake |
|---|---|---|
| Adam Elsesser | Chairperson & CEO | 1.73% |
| Arani Bose | Co-Founder | 0.66% |
| Johanna Roberts | General Counsel | 0.13% |
| Shruthi Narayan | Executive VP & GM of Interventional | 0.08% |
| Lambert Shiu | Chief Accounting Officer | 0.07% |
| Harpreet Grewal | Independent Director | 0.02% |
| Janet Leeds | Independent Director | 0.02% |
| Bridget O’Rourke | Independent Director | 0.01% |
| Maggie Yuen | Chief Financial Officer | 0.01% |
| Thomas Wilder | Independent Director | 0.01% |
Insider transactions most recent Form 4 filings
| Date | Name | Role | Type | Shares | Price |
|---|---|---|---|---|---|
| 2026-09-14 | Shruthi Narayan | Executive VP & GM of Interventional | Sale to Issuer | -1,230 | $318.43 |
| 2026-08-16 | Shruthi Narayan | Executive VP & GM of Interventional | Other Acquisition | +3,060 | -- |
| 2026-05-18 | Adam Elsesser | Chairperson & CEO | Other Disposition | -77,000 | -- |
| 2026-04-01 | Harpreet Grewal | Independent Director | Automatic Disposition | -100 | $328.22 |
| 2026-03-14 | Maggie Yuen | Chief Financial Officer | Sale to Issuer | -186 | $336.18 |
| 2026-03-14 | Johanna Roberts | General Counsel | Sale to Issuer | -186 | $336.18 |
| 2026-03-14 | Lambert Shiu | Chief Accounting Officer | Sale to Issuer | -150 | $336.18 |
| 2026-03-14 | Shruthi Narayan | Executive VP & GM of Interventional | Sale to Issuer | -117 | $336.18 |
| 2026-03-01 | Maggie Yuen | Chief Financial Officer | Automatic Disposition | -2,432 | $342.30 |
| 2026-02-16 | Maggie Yuen | Chief Financial Officer | Other Acquisition | +5,260 | -- |
| 2026-02-16 | Johanna Roberts | General Counsel | Other Acquisition | +5,260 | -- |
| 2026-02-16 | Lambert Shiu | Chief Accounting Officer | Other Acquisition | +4,600 | -- |
| 2026-02-16 | Shruthi Narayan | Executive VP & GM of Interventional | Other Acquisition | +5,260 | -- |
| 2026-02-14 | Maggie Yuen | Chief Financial Officer | Sale to Issuer | -481 | $339.30 |
| 2026-02-14 | Johanna Roberts | General Counsel | Sale to Issuer | -482 | $339.30 |
| 2026-02-14 | Lambert Shiu | Chief Accounting Officer | Sale to Issuer | -412 | $339.30 |
| 2026-02-14 | Shruthi Narayan | Executive VP & GM of Interventional | Sale to Issuer | -705 | $339.30 |
| 2026-02-12 | Harpreet Grewal | Independent Director | Other Acquisition | +589 | -- |
| 2026-02-12 | Arani Bose | Co-Founder | Other Acquisition | +589 | -- |
| 2026-02-12 | Thomas Wilder | Independent Director | Other Acquisition | +589 | -- |
Form 4 filings, most recent per company. "Other Derivative Acquisition" rows are mostly RSU/option vesting, not open-market buying - the Type column says which.
Quote time 2026-10-07 19:54:59 · For reference only, not investment advice and not tailored to your situation.