Position in PEN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$221,217,923
-$139,376,995 QoQ
Shares Held
700,611
-36.2% QoQ
Ownership
1.78%
of shares outstanding
% of Portfolio
0.17%
of 13F equity value
Holder Rank
#14
of 446 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in PEN Over Time
Shares Held
Position Value (USD)
Derivatives in PEN
reported options exposure · as of Jun 30, 2026CallValue
$14,840,250
CallShares
47,000
PutValue
$63,150,000
PutShares
200,000
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Medical Devices
Healthcare · as of Jun 30, 2026MILLENNIUM MANAGEMENT LLC holds $2,412,325,784 across 81 Medical Devices names. PEN ranks #4 (9.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABT |
Abbott Laboratories
|
3,599,994 | $326,663,455 | |
| 2 | EW |
Edwards Lifesciences Corp
|
3,584,795 | $324,280,555 | |
| 3 | BSX |
Boston Scientific Corp
|
5,437,567 | $232,075,359 | |
| 4 | PEN |
Penumbra Inc
This page
|
700,611 | $221,217,923 | |
| 5 | GKOS |
GLAUKOS Corp
|
1,581,016 | $220,962,796 | |
| 6 | IRTC |
iRhythm Holdings, Inc.
|
1,406,454 | $167,297,703 | |
| 7 | PODD |
Insulet Corp
|
865,387 | $131,755,170 | |
| 8 | MDT |
Medtronic plc
|
918,469 | $71,851,829 |
All Filings in PEN
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $63,150,000 | 200,000 | Put | Sole | 2026-08-14 | |
| 2026-06-30 | $14,840,250 | 47,000 | Call | Sole | 2026-08-14 | |
| 2026-06-30 | $221,217,923 | 700,611 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $360,594,918 | 1,098,136 | Shares | Sole | 2026-05-15 | |
| 2026-03-31 | $15,761,760 | 48,000 | Call | Sole | 2026-05-15 | |
| 2025-12-31 | $27,981,900 | 90,000 | Call | Sole | 2026-02-17 | |
| 2025-12-31 | $210,744,747 | 677,832 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $14,819,220 | 58,500 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $59,101,075 | 233,306 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $4,747,655 | 18,500 | Call | Sole | 2025-08-14 | |
| 2025-06-30 | $17,504,475 | 68,209 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $16,044,600 | 60,000 | Call | Sole | 2025-05-15 | |
| 2025-03-31 | $39,727,499 | 148,564 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $792,233 | 3,336 | Shares | Sole | 2025-02-14 | |
| 2024-12-31 | $27,571,428 | 116,100 | Call | Sole | 2025-02-14 | |
| 2024-09-30 | $1,019,933 | 5,249 | Shares | Sole | 2024-11-14 | |
| 2024-09-30 | $6,062,472 | 31,200 | Call | Sole | 2024-11-14 | |
| 2024-09-30 | $680,085 | 3,500 | Put | Sole | 2024-11-14 | |
| 2024-06-30 | $3,815,364 | 21,200 | Call | Sole | 2024-08-14 | |
| 2024-06-30 | $629,895 | 3,500 | Put | Sole | 2024-08-14 | |
| 2024-06-30 | $18,927,624 | 105,171 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $5,222,412 | 23,400 | Call | Sole | 2024-05-15 | |
| 2024-03-31 | $21,004,808 | 94,116 | Shares | Sole | 2024-05-15 | |
| 2024-03-31 | $758,812 | 3,400 | Put | Sole | 2024-05-15 | |
| 2023-12-31 | $30,520,857 | 121,336 | Shares | Sole | 2024-02-14 | |
| 2023-12-31 | $5,533,880 | 22,000 | Call | Sole | 2024-02-14 | |
| 2023-09-30 | $2,467,482 | 10,200 | Put | Sole | 2023-11-14 | |
| 2023-09-30 | $44,846,727 | 185,386 | Shares | Sole | 2023-11-14 | |
| 2023-09-30 | $25,448,932 | 105,200 | Call | Sole | 2023-11-14 | |
| 2023-06-30 | $688,120 | 2,000 | Call | Sole | 2023-08-14 | |
| 2023-06-30 | $86,930,887 | 252,662 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $1,114,760 | 4,000 | Put | Sole | 2023-05-15 | |
| 2023-03-31 | $56,055,706 | 201,140 | Shares | Sole | 2023-05-15 | |
| 2023-03-31 | $8,750,866 | 31,400 | Call | Sole | 2023-05-15 | |
| 2022-12-31 | $44,126,275 | 198,356 | Shares | Sole | 2023-02-14 | |
| 2022-12-31 | $1,112,300 | 5,000 | Put | Sole | 2023-02-14 | |
| 2022-12-31 | $5,561,500 | 25,000 | Call | Sole | 2023-02-14 | |
| 2022-09-30 | $41,578,521 | 219,296 | Shares | Sole | 2022-11-14 | |
| 2022-09-30 | $6,863,520 | 36,200 | Call | Sole | 2022-11-14 | |
| 2022-09-30 | $2,692,320 | 14,200 | Put | Sole | 2022-11-14 | |
| 2022-06-30 | $3,125,452 | 25,100 | Call | Sole | 2022-08-15 | |
| 2022-03-31 | $50,399,742 | 226,893 | Shares | Sole | 2022-05-16 | |
| 2022-03-31 | $666,390 | 3,000 | Call | Sole | 2022-05-16 | |
| 2021-12-31 | $12,929,400 | 45,000 | Put | Sole | 2022-02-14 | |
| 2021-12-31 | $127,838,149 | 444,933 | Shares | Sole | 2022-02-14 | |
| 2021-12-31 | $5,746,400 | 20,000 | Call | Sole | 2022-02-14 | |
| 2021-09-30 | $9,327,500 | 35,000 | Put | Sole | 2021-11-15 | |
| 2021-09-30 | $11,992,500 | 45,000 | Call | Sole | 2021-11-15 | |
| 2021-09-30 | $111,089,725 | 416,847 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $11,346,084 | 41,400 | Put | Sole | 2021-08-16 | |
| No filing history on record for this holder in this stock. | ||||||