Stocks › PEN
Penumbra Inc
PEN·NYSE·
United States·USD
United States·USD$317.05
-0.06 (-0.02%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
PEN
Penumbra Inc · NYSE
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
PENS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
Loading price history…
Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of PEN by members of U.S. Congress · 9 on record
Whale Activity
Position changes in PEN reported for 2026-06-30 by 18 tracked institutional filers
- Increased6
- New1
- Held0
- Decreased4
- Closed0
- No prior filing7
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 4.3M | $1.36B | decreased |
| HBK INVESTMENTS L P | 1.8M | $580.5M | — |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.7M | $539.9M | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.7M | $526.4M | increased |
| MILLENNIUM MANAGEMENT LLC | 700.6K | $221.2M | decreased |
| CITADEL ADVISORS LLC | 448.8K | $141.7M | increased |
| TWO SIGMA INVESTMENTS, LP | 428.1K | $135.2M | increased |
| Champlain Investment Partners, LLC | 219.0K | $69.2M | — |
| TIG Advisors, LLC | 215.1K | $67.9M | — |
| D. E. Shaw & Co., Inc. | 197.3K | $62.3M | decreased |
| RENAISSANCE TECHNOLOGIES LLC | 79.5K | $25.1M | increased |
| HARVEST MANAGEMENT LLC | 57.5K | $18.2M | increased |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by PEN insiders, by quarter · Form 4
Recent Insider Transactions
1,932 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Elsesser AdamCEO · Director | Gift | −77.0K | $0.00 | $0 | May 19, 2026 | Form 4 ↗ |
| Grewal HarpreetDirector | Sale | −100 | $328.22 | $33K | Apr 2, 2026 | Form 4 ↗ |
| Narayan ShruthiPresident | Tax withholding | −117 | $336.18 | $39K | Mar 15, 2026 | Form 4 ↗ |
| Shiu LambertChief Accounting Officer | Tax withholding | −150 | $336.18 | $50K | Mar 15, 2026 | Form 4 ↗ |
| Yuen MaggieChief Financial Officer | Tax withholding | −186 | $336.18 | $63K | Mar 15, 2026 | Form 4 ↗ |
| Roberts JohannaEVP, Gen. Counsel & Secretary | Tax withholding | −186 | $336.18 | $63K | Mar 15, 2026 | Form 4 ↗ |
| Yuen MaggieChief Financial Officer | Sale | −2,432 | $342.30 | $832K | Mar 2, 2026 | Form 4 ↗ |
| Narayan ShruthiPresident | Grant / award | +2,630 | $0.00 | $0 | Feb 17, 2026 | Form 4 ↗ |
| Shiu LambertChief Accounting Officer | Grant / award | +2,300 | $0.00 | $0 | Feb 17, 2026 | Form 4 ↗ |
| Yuen MaggieChief Financial Officer | Grant / award | +2,630 | $0.00 | $0 | Feb 17, 2026 | Form 4 ↗ |
| Roberts JohannaEVP, Gen. Counsel & Secretary | Grant / award | +2,630 | $0.00 | $0 | Feb 17, 2026 | Form 4 ↗ |
| Narayan ShruthiPresident | Tax withholding | −705 | $339.30 | $239K | Feb 15, 2026 | Form 4 ↗ |
| Shiu LambertChief Accounting Officer | Tax withholding | −412 | $339.30 | $140K | Feb 15, 2026 | Form 4 ↗ |
| Yuen MaggieChief Financial Officer | Tax withholding | −481 | $339.30 | $163K | Feb 15, 2026 | Form 4 ↗ |
| Roberts JohannaEVP, Gen. Counsel & Secretary | Tax withholding | −482 | $339.30 | $164K | Feb 15, 2026 | Form 4 ↗ |
| Narayan ShruthiPresident | Grant / award | +2,630 | $0.00 | $0 | Feb 13, 2026 | Form 4 ↗ |
| Shiu LambertChief Accounting Officer | Grant / award | +2,300 | $0.00 | $0 | Feb 13, 2026 | Form 4 ↗ |
| Yuen MaggieChief Financial Officer | Grant / award | +2,630 | $0.00 | $0 | Feb 13, 2026 | Form 4 ↗ |
| Sarna SurbhiDirector | Grant / award | +589 | $0.00 | $0 | Feb 13, 2026 | Form 4 ↗ |
| Leeds JanetDirector | Grant / award | +589 | $0.00 | $0 | Feb 13, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding PEN · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF iShares Trust | 1.3M | $425.0M | 0.34% | Jun 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 1.2M | $374.5M | 0.02% | Jun 30, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 856.7K | $270.5M | 0.14% | Jun 30, 2026 |
| VANGUARD SMALL-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS | 494.4K | $156.1M | 0.33% | Jun 30, 2026 |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 450.8K | $142.3M | 0.15% | Jun 30, 2026 |
| SMALLCAP World Fund Inc | 412.6K | $130.3M | 0.14% | Jun 30, 2026 |
| Invesco S&P MidCap Quality ETF Invesco Exchange-Traded Fund Trust | 307.4K | $100.4M | 1.93% | Apr 30, 2026 |
| State Street SPDR S&P MidCap 400SM ETF Trust SPDR S&P MIDCAP 400 ETF TRUST | 302.6K | $95.5M | 0.34% | Jun 30, 2026 |
| iShares S&P Mid-Cap 400 Growth ETF iShares Trust | 235.3K | $74.3M | 0.66% | Jun 30, 2026 |
| iShares Russell Mid-Cap Growth ETF iShares Trust | 224.3K | $70.8M | 0.33% | Jun 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list PEN's shares (CUSIP 70975L107), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- Barclays PLCSCHEDULE 13G · passive (13G) · 2.3M shares6.0%
Aug 13, 2026 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming penumbra as client
No lobbying filings found naming Penumbra Inc as the client.
Government Contracts
Federal awards to Penumbra Inc · USAspending
No federal contract awards found for Penumbra Inc.
U.S. Patents
Recent USPTO applications naming Penumbra Inc
No USPTO patent applications found for Penumbra Inc.
Annual Financials
From PEN's 10-K filings · XBRL
No annual XBRL figures on record for PEN. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
No stock splits in PEN's price history.
About Penumbra Inc
From SEC EDGAR company records
Industry (SIC 3841)Surgical & Medical Instruments & Apparatus
SectorHealthcare
HeadquartersALAMEDA, CA
IncorporatedDE
SEC CIK0001321732 ↗