Position in PEN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$135,181,416
+$116,064,043 QoQ
Shares Held
428,128
+635.4% QoQ
Ownership
1.09%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
#22
of 437 holders
Holding Since
Mar 2021
12 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 Dec 31, 2021CallValue
$1,005,620
CallShares
3,500
PutValue
$1,838,848
PutShares
6,400
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, 2026TWO SIGMA INVESTMENTS, LP holds $2,666,359,449 across 65 Medical Devices names. PEN ranks #6 (5.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BSX |
Boston Scientific Corp
|
19,359,023 | $826,243,101 | |
| 2 | ABT |
Abbott Laboratories
|
8,126,315 | $737,381,823 | |
| 3 | PODD |
Insulet Corp
|
1,903,734 | $289,843,501 | |
| 4 | MDT |
Medtronic plc
|
3,240,847 | $253,531,460 | |
| 5 | EW |
Edwards Lifesciences Corp
|
1,521,899 | $137,670,983 | |
| 6 | PEN |
Penumbra Inc
This page
|
428,128 | $135,181,416 | |
| 7 | BRKR |
Bruker Corp
|
200,091 | $45,941,097 | |
| 8 | ESTA |
Establishment Labs Holdings Inc.
|
448,425 | $38,479,349 |
All Filings in PEN
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $135,181,416 | 428,128 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $19,117,373 | 58,219 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $7,729,222 | 24,860 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $4,782,681 | 18,880 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $8,828,072 | 34,400 | Shares | Sole | 2025-08-14 | |
| 2024-03-31 | $825,989 | 3,701 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $528,234 | 2,100 | Shares | Sole | 2024-02-14 | |
| 2022-06-30 | $15,031,058 | 120,712 | Shares | Sole | 2022-08-15 | |
| 2021-12-31 | $1,005,620 | 3,500 | Call | Sole | 2022-02-14 | |
| 2021-12-31 | $1,838,848 | 6,400 | Put | Sole | 2022-02-14 | |
| 2021-09-30 | $1,545,700 | 5,800 | Call | Sole | 2021-11-15 | |
| 2021-09-30 | $2,265,250 | 8,500 | Put | Sole | 2021-11-15 | |
| 2021-06-30 | $2,630,976 | 9,600 | Call | Sole | 2021-08-16 | |
| 2021-06-30 | $2,822,818 | 10,300 | Put | Sole | 2021-08-16 | |
| 2021-03-31 | $4,356,338 | 16,100 | Call | Sole | 2021-05-17 | |
| 2021-03-31 | $4,193,990 | 15,500 | Put | Sole | 2021-05-17 | |
| No filing history on record for this holder in this stock. | ||||||