Position in PEN
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$2,298,590
-$23,672,366 QoQ
Shares Held
7,000
-93.1% QoQ
Ownership
0.018%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2021
14 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in PEN Over Time
Shares Held
Position Value (USD)
Derivatives in PEN
reported options exposure · as of Mar 31, 2023CallValue
$20,901,750
CallShares
75,000
PutValue
$0
PutShares
0
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 Mar 31, 2026Polar Asset Management Partners Inc. holds $43,569,054 across 2 Medical Devices names. PEN ranks #2 (5.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MASI |
Masimo Corp
|
232,026 | $41,270,464 | |
| 2 | PEN |
Penumbra Inc
This page
|
7,000 | $2,298,590 |
All Filings in PEN
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,298,590 | 7,000 | Shares | Sole | 2026-05-15 | |
| 2025-06-30 | $25,970,956 | 101,200 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $10,765,659 | 40,259 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $29,002,482 | 122,126 | Shares | Sole | 2025-02-25 | |
| 2024-09-30 | $21,475,335 | 110,521 | Shares | Sole | 2024-11-14 | |
| 2024-03-31 | $3,294,359 | 14,761 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $3,010,430 | 11,968 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $36,520,668 | 150,968 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $71,990,770 | 209,239 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $68,596,477 | 246,139 | Shares | Sole | 2023-05-15 | |
| 2023-03-31 | $20,901,750 | 75,000 | Call | Sole | 2023-05-15 | |
| 2022-12-31 | $41,541,957 | 186,739 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $16,938,674 | 89,339 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $23,414,616 | 188,039 | Shares | Sole | 2022-08-15 | |
| 2021-06-30 | $8,495,860 | 31,000 | Shares | Sole | 2021-08-16 | |
| No filing history on record for this holder in this stock. | ||||||