GROUP ONE TRADING LLC
Position in PACB — Pacific Biosciences Of California, Inc.
CIK 932540
CHICAGO, IL
Position in PACB
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$488,644
+$6,817 QoQ
Shares Held
290,860
-20.3% QoQ
Ownership
0.094%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#55
of 222 holders
Holding Since
Mar 2020
18 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in PACB Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Jun 30, 2026GROUP ONE TRADING LLC holds $20,255,911 across 37 Medical Devices names. PACB ranks #9 (2.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BSX |
Boston Scientific Corp
|
154,900 | $6,611,132 | |
| 2 | MDT |
Medtronic plc
|
44,220 | $3,459,330 | |
| 3 | ABT |
Abbott Laboratories
|
37,819 | $3,431,696 | |
| 4 | BFLY |
Butterfly Network, Inc.
|
189,442 | $1,595,101 | |
| 5 | AHCO |
AdaptHealth Corp.
|
146,994 | $1,531,677 | |
| 6 | DXCM |
Dexcom Inc
|
11,059 | $744,823 | |
| 7 | TMDX |
TransMedics Group, Inc.
|
9,527 | $632,783 | |
| 8 | GEHC |
GE HealthCare Technologies Inc.
|
8,647 | $553,494 |
All Filings in PACB
Export CSV
18 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $488,644 | 290,860 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $481,827 | 365,021 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $860,667 | 460,250 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $582,231 | 454,868 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $127,028 | 102,442 | Shares | Sole | 2025-08-14 | |
| 2024-12-31 | $1,019,919 | 557,333 | Shares | Sole | 2025-05-14 | |
| 2024-09-30 | $1,755,132 | 1,032,431 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $1,233,197 | 900,144 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $727,181 | 193,915 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $3,963,112 | 403,987 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $2,351,861 | 281,660 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $3,171,278 | 238,442 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $2,854,470 | 246,500 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $1,894,079 | 231,550 | Shares | Sole | 2023-02-09 | |
| 2020-12-31 | $7,362,861 | 283,842 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $145,167 | 14,708 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $105,190 | 30,490 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $660,308 | 215,787 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||