Position in PEN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$12,232,155
+$364,864 QoQ
Shares Held
38,740
+7.2% QoQ
Ownership
0.098%
of shares outstanding
% of Portfolio
1.69%
of 13F equity value
Holder Rank
#91
of 446 holders
Holding Since
Mar 2026
2 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
$284,175
CallShares
900
PutValue
$11,398,575
PutShares
36,100
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, 2026CSS LLC/IL holds $17,134,039 across 7 Medical Devices names. PEN ranks #1 (71.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PEN |
Penumbra Inc
This page
|
38,740 | $12,232,155 | |
| 2 | MDT |
Medtronic plc
|
15,080 | $1,179,708 | |
| 3 | HAE |
Haemonetics Corp
|
14,810 | $1,110,750 | |
| 4 | BSX |
Boston Scientific Corp
|
24,820 | $1,059,317 | |
| 5 | LNSR |
LENSAR, Inc.
|
163,450 | $933,299 | |
| 6 | GEHC |
GE HealthCare Technologies Inc.
|
8,050 | $515,280 | |
| 7 | PODD |
Insulet Corp
|
680 | $103,530 |
All Filings in PEN
Export CSV
6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $11,398,575 | 36,100 | Put | Sole | 2026-08-14 | |
| 2026-06-30 | $284,175 | 900 | Call | Sole | 2026-08-14 | |
| 2026-06-30 | $12,232,155 | 38,740 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $295,533 | 900 | Call | Sole | 2026-05-15 | |
| 2026-03-31 | $11,867,291 | 36,140 | Shares | Sole | 2026-05-15 | |
| 2026-03-31 | $12,215,364 | 37,200 | Put | Sole | 2026-05-15 | |
| No filing history on record for this holder in this stock. | ||||||