Position in QSI
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$219,801
-$50,580 QoQ
Shares Held
283,981
+15.5% QoQ
Ownership
0.130%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2021
7 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in QSI Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Mar 31, 2026GROUP ONE TRADING LLC holds $10,358,883 across 50 Medical Devices names. QSI ranks #10 (2.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BSX |
Boston Scientific Corp
|
66,446 | $4,169,486 | |
| 2 | INMD |
InMode Ltd.
|
55,958 | $765,505 | |
| 3 | ABT |
Abbott Laboratories
|
6,555 | $673,001 | |
| 4 | TMDX |
TransMedics Group, Inc.
|
6,336 | $629,861 | |
| 5 | GEHC |
GE HealthCare Technologies Inc.
|
8,051 | $573,070 | |
| 6 | NEOG |
Neogen Corp
|
55,753 | $517,945 | |
| 7 | PACB |
Pacific Biosciences Of California, Inc.
|
365,021 | $481,827 | |
| 8 | BFLY |
Butterfly Network, Inc.
|
94,468 | $381,650 |
All Filings in QSI
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $219,801 | 283,981 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $270,381 | 245,801 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $532,661 | 377,774 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $263,878 | 134,632 | Shares | Sole | 2025-08-14 | |
| 2023-06-30 | $5,645 | 3,154 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $2,735 | 1,554 | Shares | Sole | 2023-05-12 | |
| 2021-06-30 | $337,150 | 27,500 | Shares | Sole | 2021-08-10 | |
| No filing history on record for this holder in this stock. | ||||||