| Investor | Value | Of portfolio | Shares | Change | Quarter |
|---|---|---|---|---|---|
| Renaissance Technologies | $25.1M | 0.03% | 79.50K | +36× | Q2 2026 |
| Bridgewater Associates · Ray Dalio | $498.9K | 0.00% | 1.58K | −84% | Q2 2026 |
From each investor's quarterly 13F filing with the SEC: positions at the quarter's end, reported up to 45 days later. All investors
| Member | Buys | Sells | Est. net | Last move |
|---|---|---|---|---|
| Lisa McClain MI09 | 1 | −$8.0K | Sold Jul 10, 25 |
| Traded | Member | Owner | Type | Amount | Filed | Report |
|---|---|---|---|---|---|---|
| Jul 10, 25 | Lisa McClain MI09 | Spouse | Sell | $1,001 - $15,000 | Aug 13, 25 (34d) |
From House and Senate STOCK Act reports. Members disclose trades, not holdings, as value ranges up to 45 days later, so amounts are estimates and “last move” is a hint at who still holds it, not a position. All recent congress trades
| Date | Insider | Transaction | Shares | Value |
|---|---|---|---|---|
| Aug 16, 2026 | Narayan ShruthiPresident | Stock Award(Grant) at price 0.00 per share. | 3.1K | — |
| May 18, 2026 | Elsesser AdamChief Executive Officer | Stock Gift at price 0.00 per share. | 77K | — |
| Apr 1, 2026 | Grewal Harpreet SinghDirector | Sale at price 328.22 per share. | 100 | $32.82K |
| Mar 1, 2026 | Yuen Maggie S.Chief Financial Officer | Sale at price 342.30 per share. | 2.4K | $832.47K |
| Feb 16, 2026 | Roberts JohannaGeneral Counsel | Stock Award(Grant) at price 0.00 per share. | 5.3K | — |
| Feb 16, 2026 | Yuen Maggie S.Chief Financial Officer | Stock Award(Grant) at price 0.00 per share. | 5.3K | — |
| Feb 16, 2026 | Shiu LambertOfficer | Stock Award(Grant) at price 0.00 per share. | 4.6K | — |
| Feb 16, 2026 | Narayan ShruthiPresident | Stock Award(Grant) at price 0.00 per share. | 5.3K | — |
| Feb 12, 2026 | Grewal Harpreet SinghDirector | Stock Award(Grant) at price 0.00 per share. | 589 | — |
| Feb 12, 2026 | Wilder Thomas C IiiDirector | Stock Award(Grant) at price 0.00 per share. | 589 | — |
| Feb 12, 2026 | Bose AraniDirector | Stock Award(Grant) at price 0.00 per share. | 589 | — |
| Feb 12, 2026 | O'Rourke Bridget ADirector | Stock Award(Grant) at price 0.00 per share. | 589 | — |
| Feb 12, 2026 | Leeds JanetDirector | Stock Award(Grant) at price 0.00 per share. | 589 | — |
| Feb 12, 2026 | Sarna SurbhiDirector | Stock Award(Grant) at price 0.00 per share. | 589 | — |
| Jan 5, 2026 | Grewal Harpreet SinghDirector | Sale at price 312.64 per share. | 186 | $58.15K |
| Jan 1, 2026 | Wilder Thomas C IiiDirector | Sale at price 310.72 per share. | 186 | $57.79K |
| Dec 10, 2025 | Bose AraniDirector | Sale at price 305.19 - 312.20 per share. | 15K | $4.63M |
| Dec 4, 2025 | Roberts JohannaGeneral Counsel | Sale at price 300.13 per share. | 300 | $90.04K |
| Dec 1, 2025 | Grewal Harpreet SinghDirector | Sale at price 292.98 per share. | 100 | $29.30K |
| Nov 30, 2025 | Roberts JohannaGeneral Counsel | Sale at price 292.09 - 298.02 per share. | 600 | $176.97K |
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 15.2 | -3.8 | -4.7 | -0.6 | -2.5 | -0.8 | 1.7 | 0.6 | -1.5 | 0.8 | +3.2% | ||
| 2025 | 12.4 | 6.9 | -6.3 | 9.5 | -8.8 | -3.9 | -1.7 | 8.1 | -7.1 | -10.2 | 28.9 | 6.1 | +30.9% |
| 2024 | 0.3 | -6.8 | -5.0 | -12.0 | -3.6 | -5.0 | -7.2 | 21.1 | -4.0 | 17.8 | 6.7 | -2.7 | −5.6% |
| 2023 | 12.6 | 3.8 | 7.2 | 1.9 | 8.2 | 11.9 | -11.8 | -12.8 | -8.5 | -21.0 | 16.2 | 13.3 | +13.1% |
| 2022 | -21.3 | -1.9 | 0.2 | -22.3 | -14.9 | -15.2 | 11.9 | 17.8 | 15.5 | -9.6 | 22.2 | 6.2 | −22.6% |
| 2021 | 49.2 | 8.9 | -4.9 | 13.1 | -18.6 | 10.0 | -2.9 | 3.3 | -3.1 | 3.8 | -11.2 | 17.0 | +64.2% |
| 2020 | 6.8 | -5.5 | -2.7 | 9.9 | -2.8 | 3.7 | 24.1 | -5.8 | -7.1 | 34.3 | -15.0 | -21.1 | +6.5% |
| 2019 | 19.1 | -8.1 | 10.0 | -8.5 | 6.1 | 12.1 | 4.8 | -13.2 | -7.6 | 16.0 | 13.4 | -7.2 | +34.4% |
| 2018 | 5.8 | 8.6 | 6.9 | 7.5 | 29.4 | -14.1 | 3.0 | -2.4 | 7.8 | -9.2 | 2.4 | -12.2 | +29.9% |
| 2017 | 12.1 | 7.3 | 8.7 | 2.4 | -3.0 | 5.9 | -7.0 | 5.3 | 5.0 | 11.4 | 4.7 | -10.6 | +47.5% |
| 2016 | -20.5 | 8.9 | -1.3 | 18.5 | -3.1 | 12.7 | 14.8 | 3.3 | 7.7 | -13.2 | -6.1 | 3.1 | +18.6% |
| 2015 | -7.7 | 35.9 | 6.9 | +34.2% |
Penumbra, Inc., together with its subsidiaries, designs, develops, manufactures, and markets medical devices in the United States and internationally. It offers computer-assisted vacuum thrombectomy; peripheral thrombectomy products, including the Indigo System for power aspiration of thrombus in the body; Lightning Flash, a mechanical thrombectomy system; Lightning Bolt 7, an arterial thrombectomy system; and CAT RX. It also provides access products, including guide catheters and the Penumbra distal delivery catheters under the Neuron, Neuron MAX, BENCHMARK, BMX, DDC, Access25; MIDWAY, and PX SLIM brands; Penumbra System, an integrated mechanical thrombectomy system comprising reperfusion catheters and separators, the 3D Revascularization device, aspiration tubing, aspiration pump, and other components and accessories under the Penumbra RED, SENDit, JET, ACE, BMX, Max, 3D Revascularization Device, and Penumbra ENGINE brands; and neuro embolization coiling systems that include the Penumbra Coil 400, for the treatment of aneurysms and other complex lesions, detachable coils of neurovascular lesions under the Penumbra SMART COIL, SwiftSET, and Penumbra SwiftPAC Coil brands; and POD400 and PAC400 brands. In addition, it provides peripheral embolization products, such as Ruby Embolization Platform, which consists of detachable coils for peripheral applications; Ruby LP and XL Embolization Platform; Penumbra LANTERN Delivery Microcatheter, a low-profile microcatheter with a high-flow lumen; POD (Penumbra Occlusion Device) System, a single device solution; Packing Coil LP; and Packing Coil, a complementary device for use in other peripheral embolization products. Further, it offers neurosurgical tools comprising the Artemis Neuro Evacuation Device for surgical removal of fluid and tissue from the ventricles and cerebrum. It sells its products through direct sales organizations and distributors. The company was incorporated in 2004 and is based in Alameda, California.
Buy / hold / sell counts