Position in PEN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$141,696,917
+$75,128,109 QoQ
Shares Held
448,763
+121.4% QoQ
Ownership
1.14%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
#19
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
$4,830,975
CallShares
15,300
PutValue
$11,872,200
PutShares
37,600
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, 2026CITADEL ADVISORS LLC holds $3,441,341,341 across 94 Medical Devices names. PEN ranks #8 (4.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABT |
Abbott Laboratories
|
8,597,227 | $780,112,377 | |
| 2 | MDT |
Medtronic plc
|
5,373,877 | $420,398,397 | |
| 3 | EW |
Edwards Lifesciences Corp
|
3,997,925 | $361,652,295 | |
| 4 | ZBH |
Zimmer Biomet Holdings, Inc.
|
3,477,472 | $299,375,563 | |
| 5 | BSX |
Boston Scientific Corp
|
4,987,748 | $212,877,084 | |
| 6 | GKOS |
GLAUKOS Corp
|
1,390,017 | $194,268,775 | |
| 7 | GEHC |
GE HealthCare Technologies Inc.
|
2,367,032 | $151,513,717 | |
| 8 | PEN |
Penumbra Inc
This page
|
448,763 | $141,696,917 |
All Filings in PEN
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $141,696,917 | 448,763 | Shares | Defined | 2026-08-14 | |
| 2026-06-30 | $11,872,200 | 37,600 | Put | Defined | 2026-08-14 | |
| 2026-06-30 | $4,830,975 | 15,300 | Call | Defined | 2026-08-14 | |
| 2026-03-31 | $66,568,808 | 202,725 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $9,719,752 | 29,600 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $6,698,748 | 20,400 | Call | Defined | 2026-05-15 | |
| 2025-12-31 | $307,886,400 | 990,275 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $1,461,277 | 4,700 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $6,684,565 | 21,500 | Call | Defined | 2026-02-17 | |
| 2025-09-30 | $245,973,213 | 970,998 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $8,207,568 | 32,400 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $1,798,572 | 7,100 | Put | Defined | 2025-11-14 | |
| 2025-06-30 | $2,130,029 | 8,300 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $6,749,369 | 26,300 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $56,199,915 | 218,992 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $209,732,069 | 784,309 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $2,647,359 | 9,900 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $8,503,638 | 31,800 | Call | Defined | 2025-05-15 | |
| 2024-12-31 | $4,155,900 | 17,500 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $5,248,308 | 22,100 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $174,378,714 | 734,288 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $8,277,606 | 42,600 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $80,060,188 | 412,023 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $10,842,498 | 55,800 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $5,507,082 | 30,600 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $12,421,169 | 69,018 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $18,176,970 | 101,000 | Call | Defined | 2024-08-14 | |
| 2024-03-31 | $11,426,816 | 51,200 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $14,729,880 | 66,000 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $9,533,133 | 42,715 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $22,999,307 | 91,434 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $13,708,930 | 54,500 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $24,801,844 | 98,600 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $60,130,358 | 248,565 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $17,925,531 | 74,100 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $17,732,003 | 73,300 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $23,499,298 | 68,300 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $8,704,718 | 25,300 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $108,737,754 | 316,043 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $83,823,263 | 300,776 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $10,841,041 | 38,900 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $18,226,326 | 65,400 | Call | Defined | 2023-05-15 | |
| 2022-12-31 | $5,072,088 | 22,800 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $45,748,899 | 205,650 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $10,655,834 | 47,900 | Call | Defined | 2023-02-14 | |
| 2022-09-30 | $82,015,082 | 432,569 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $3,716,160 | 19,600 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $4,114,320 | 21,700 | Put | Defined | 2022-11-14 | |
| 2022-06-30 | $17,121,500 | 137,500 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $40,672,340 | 326,633 | Shares | Defined | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||