Position in PEN
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$661,008
+$35,147 QoQ
Shares Held
2,013
0.0% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2024
8 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 0.ToString("F0")%
None 100.ToString("F0")%
Common Shares in PEN Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Mar 31, 2026Knollwood Investment Advisory, LLC holds $7,602,186 across 10 Medical Devices names. PEN ranks #3 (8.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ELUT |
Elutia Inc.
|
2,556,724 | $2,684,560 | |
| 2 | DXCM |
Dexcom Inc
|
31,078 | $1,951,698 | |
| 3 | PEN |
Penumbra Inc
This page
|
2,013 | $661,008 | |
| 4 | STE |
STERIS plc
|
2,774 | $613,414 | |
| 5 | PODD |
Insulet Corp
|
2,867 | $601,611 | |
| 6 | ABT |
Abbott Laboratories
|
3,500 | $359,345 | |
| 7 | BRKR |
Bruker Corp
|
7,600 | $274,512 | |
| 8 | QSI |
Quantum-Si Inc
|
300,000 | $232,200 |
All Filings in PEN
Export CSV
8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $661,008 | 2,013 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $625,861 | 2,013 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $509,933 | 2,013 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $516,596 | 2,013 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $538,296 | 2,013 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $478,047 | 2,013 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $391,146 | 2,013 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $362,279 | 2,013 | Shares | Sole | 2024-08-14 | |
| No filing history on record for this holder in this stock. | ||||||