Position in QSI
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$265,500
+$33,300 QoQ
Shares Held
300,000
0.0% QoQ
Ownership
0.137%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#25
of 141 holders
Holding Since
Mar 2023
14 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in QSI Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Jun 30, 2026Knollwood Investment Advisory, LLC holds $6,301,754 across 7 Medical Devices names. QSI ranks #6 (4.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ELUT |
Elutia Inc.
|
2,556,724 | $2,505,589 | |
| 2 | DXCM |
Dexcom Inc
|
31,078 | $2,093,103 | |
| 3 | PEN |
Penumbra Inc
|
2,013 | $635,604 | |
| 4 | BRKR |
Bruker Corp
|
7,600 | $457,368 | |
| 5 | ABT |
Abbott Laboratories
|
3,500 | $317,590 | |
| 6 | QSI |
Quantum-Si Inc
This page
|
300,000 | $265,500 | |
| 7 | HYPR |
Hyperfine, Inc.
|
20,000 | $27,000 |
All Filings in QSI
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $265,500 | 300,000 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $232,200 | 300,000 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $330,000 | 300,000 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $423,000 | 300,000 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $588,000 | 300,000 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $360,000 | 300,000 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $810,000 | 300,000 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $264,600 | 300,000 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $315,000 | 300,000 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $591,000 | 300,000 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $603,000 | 300,000 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $498,000 | 300,000 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $537,000 | 300,000 | Shares | Sole | 2023-11-14 | |
| 2023-03-31 | $528,000 | 300,000 | Shares | Sole | 2023-11-14 | |
| No filing history on record for this holder in this stock. | ||||||