Position in PEN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$55,799,340
+$11,469,390 QoQ
Shares Held
176,720
+30.9% QoQ
Ownership
0.449%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#42
of 446 holders
Holding Since
Mar 2020
19 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in PEN Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Jun 30, 2026ADAGE CAPITAL PARTNERS GP, L.L.C. holds $680,310,420 across 17 Medical Devices names. PEN ranks #6 (8.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABT |
Abbott Laboratories
|
2,332,115 | $211,616,115 | |
| 2 | SYK |
Stryker Corp
|
307,499 | $96,812,985 | |
| 3 | BSX |
Boston Scientific Corp
|
1,670,022 | $71,276,538 | |
| 4 | DXCM |
Dexcom Inc
|
999,900 | $67,343,265 | |
| 5 | EW |
Edwards Lifesciences Corp
|
716,030 | $64,772,073 | |
| 6 | PEN |
Penumbra Inc
This page
|
176,720 | $55,799,340 | |
| 7 | MDT |
Medtronic plc
|
530,568 | $41,506,334 | |
| 8 | STE |
STERIS plc
|
87,386 | $18,400,870 |
All Filings in PEN
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19 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $55,799,340 | 176,720 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $44,329,950 | 135,000 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $46,636,500 | 150,000 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $34,904,962 | 137,790 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $28,100,215 | 109,497 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $26,741,000 | 100,000 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $23,865,552 | 100,495 | Shares | Sole | 2025-02-14 | |
| 2023-06-30 | $25,804,500 | 75,000 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $13,934,500 | 50,000 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $33,369,000 | 150,000 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $37,920,000 | 200,000 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $31,130,000 | 250,000 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $31,098,200 | 140,000 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $56,170,485 | 195,498 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $53,300,000 | 200,000 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $46,590,200 | 170,000 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $37,204,750 | 137,500 | Shares | Sole | 2021-05-17 | |
| 2020-09-30 | $18,466,100 | 95,000 | Shares | Sole | 2020-11-16 | |
| 2020-03-31 | $16,133,000 | 100,000 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||