Position in QSI
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$1,133,575
-$1,426,988 QoQ
Shares Held
1,464,568
-37.1% QoQ
Ownership
0.673%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2021
20 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in QSI Over Time
Shares Held
Position Value (USD)
Derivatives in QSI
reported options exposure · as of Mar 31, 2026CallValue
$173,143
CallShares
223,700
PutValue
$194,815
PutShares
251,700
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, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $313,124,743 across 83 Medical Devices names. QSI ranks #32 (0.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABT |
Abbott Laboratories
|
720,999 | $74,024,967 | |
| 2 | BSX |
Boston Scientific Corp
|
1,033,109 | $64,827,589 | |
| 3 | DXCM |
Dexcom Inc
|
378,706 | $23,782,736 | |
| 4 | PEN |
Penumbra Inc
|
45,531 | $14,951,014 | |
| 5 | TMDX |
TransMedics Group, Inc.
|
133,875 | $13,308,513 | |
| 6 | HAE |
Haemonetics Corp
|
234,271 | $13,203,513 | |
| 7 | INSP |
Inspire Medical Systems, Inc.
|
210,573 | $10,861,355 | |
| 8 | EW |
Edwards Lifesciences Corp
|
119,419 | $9,563,073 |
All Filings in QSI
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $194,815 | 251,700 | Put | Other | 2026-05-15 | |
| 2026-03-31 | $173,143 | 223,700 | Call | Other | 2026-05-15 | |
| 2026-03-31 | $1,133,575 | 1,464,568 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $49,830 | 45,300 | Call | Other | 2026-02-17 | |
| 2025-12-31 | $530,750 | 482,500 | Put | Other | 2026-02-17 | |
| 2025-12-31 | $2,560,563 | 2,327,785 | Shares | Other | 2026-02-17 | |
| 2025-09-30 | $80,652 | 57,200 | Call | Other | 2025-11-14 | |
| 2025-09-30 | $581,625 | 412,500 | Put | Other | 2025-11-14 | |
| 2025-09-30 | $2,877,943 | 2,041,095 | Shares | Other | 2025-11-14 | |
| 2025-06-30 | $1,932,724 | 986,084 | Shares | Other | 2025-08-14 | |
| 2025-06-30 | $524,300 | 267,500 | Call | Other | 2025-08-14 | |
| 2025-06-30 | $689,724 | 351,900 | Put | Other | 2025-08-14 | |
| 2025-03-31 | $956,315 | 796,930 | Shares | Other | 2025-05-14 | |
| 2025-03-31 | $119,640 | 99,700 | Call | Other | 2025-05-14 | |
| 2025-03-31 | $448,560 | 373,800 | Put | Other | 2025-05-14 | |
| 2024-12-31 | $2,707,757 | 1,002,873 | Shares | Other | 2025-02-14 | |
| 2024-12-31 | $559,980 | 207,400 | Put | Other | 2025-02-14 | |
| 2024-12-31 | $656,640 | 243,200 | Call | Other | 2025-02-14 | |
| 2024-09-30 | $38,833 | 44,029 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $10,495 | 11,900 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $36,514 | 41,400 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $13,335 | 12,700 | Put | Defined | 2024-08-15 | |
| 2024-06-30 | $141,841 | 135,088 | Shares | Defined | 2024-08-15 | |
| 2024-06-30 | $69,510 | 66,200 | Call | Defined | 2024-08-15 | |
| 2024-03-31 | $50,089 | 25,426 | Shares | Defined | 2024-05-07 | |
| 2024-03-31 | $44,916 | 22,800 | Put | Defined | 2024-05-07 | |
| 2024-03-31 | $188,923 | 95,900 | Call | Defined | 2024-05-07 | |
| 2023-12-31 | $100,299 | 49,900 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $54,270 | 27,000 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $213,954 | 106,445 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $199,691 | 120,296 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $140,104 | 84,400 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $68,724 | 41,400 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $166,795 | 93,182 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $174,326 | 99,049 | Shares | Defined | 2023-05-16 | |
| 2022-12-31 | $32,208 | 17,600 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $217,457 | 118,829 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $215,875 | 78,500 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $222,092 | 80,761 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $73,425 | 26,700 | Put | Defined | 2022-11-14 | |
| 2022-06-30 | $96,976 | 41,800 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $568,168 | 244,900 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $674,567 | 290,762 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $1,162,512 | 248,400 | Call | Defined | 2022-05-16 | |
| 2022-03-31 | $2,109,978 | 450,850 | Shares | Defined | 2022-05-16 | |
| 2022-03-31 | $226,512 | 48,400 | Put | Defined | 2022-05-16 | |
| 2021-12-31 | $870,406 | 110,598 | Shares | Defined | 2022-04-05 | |
| 2021-12-31 | $640,618 | 81,400 | Put | Defined | 2022-04-05 | |
| 2021-12-31 | $562,705 | 71,500 | Call | Defined | 2022-04-05 | |
| 2021-09-30 | $1,234,320 | 148,000 | Put | Defined | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||