MILLENNIUM MANAGEMENT LLC
Position in PACB — Pacific Biosciences Of California, Inc.
CIK 1273087
NEW YORK, NY
Position in PACB
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$6,656,902
+$199,043 QoQ
Shares Held
3,962,442
-19.0% QoQ
Ownership
1.27%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#12
of 222 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in PACB Over Time
Shares Held
Position Value (USD)
Derivatives in PACB
reported options exposure · as of Jun 30, 2025CallValue
$0
CallShares
0
PutValue
$62,000
PutShares
50,000
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 Jun 30, 2026MILLENNIUM MANAGEMENT LLC holds $2,412,656,625 across 82 Medical Devices names. PACB ranks #39 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABT |
Abbott Laboratories
|
3,599,994 | $326,663,455 | |
| 2 | EW |
Edwards Lifesciences Corp
|
3,584,795 | $324,280,555 | |
| 3 | BSX |
Boston Scientific Corp
|
5,437,567 | $232,075,359 | |
| 4 | PEN |
Penumbra Inc
|
700,611 | $221,217,923 | |
| 5 | GKOS |
GLAUKOS Corp
|
1,581,016 | $220,962,796 | |
| 6 | IRTC |
iRhythm Holdings, Inc.
|
1,406,454 | $167,297,703 | |
| 7 | PODD |
Insulet Corp
|
865,387 | $131,755,170 | |
| 8 | MDT |
Medtronic plc
|
918,469 | $71,851,829 |
All Filings in PACB
Export CSV
40 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $6,656,902 | 3,962,442 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $6,457,859 | 4,892,318 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $8,124,344 | 4,344,569 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $6,293,497 | 4,916,795 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $1,076,617 | 868,240 | Shares | Sole | 2025-08-14 | |
| 2025-06-30 | $62,000 | 50,000 | Put | Sole | 2025-08-14 | |
| 2025-03-31 | $2,600,771 | 2,204,044 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $31,229,555 | 17,065,331 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $336,940 | 198,200 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $17,718,382 | 10,422,578 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $6,342,588 | 4,629,627 | Shares | Sole | 2024-08-14 | |
| 2024-06-30 | $205,500 | 150,000 | Put | Sole | 2024-08-14 | |
| 2024-03-31 | $9,052,953 | 2,414,121 | Shares | Sole | 2024-05-15 | |
| 2024-03-31 | $187,500 | 50,000 | Put | Sole | 2024-05-15 | |
| 2023-12-31 | $1,015,335 | 103,500 | Call | Sole | 2024-02-14 | |
| 2023-09-30 | $3,466,920 | 415,200 | Call | Sole | 2023-11-14 | |
| 2023-09-30 | $1,283,536 | 153,717 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $17,334,967 | 1,303,381 | Shares | Sole | 2023-08-14 | |
| 2023-06-30 | $1,330,000 | 100,000 | Call | Sole | 2023-08-14 | |
| 2023-03-31 | $2,331,054 | 201,300 | Call | Sole | 2023-05-15 | |
| 2022-12-31 | $818,000 | 100,000 | Call | Sole | 2023-02-14 | |
| 2022-12-31 | $4,907,083 | 599,888 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $2,910,810 | 501,000 | Call | Sole | 2022-11-14 | |
| 2022-09-30 | $1,520,052 | 261,627 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $300,422 | 67,969 | Shares | Sole | 2022-08-15 | |
| 2022-06-30 | $884,000 | 200,000 | Call | Sole | 2022-08-15 | |
| 2022-03-31 | $22,175,808 | 2,436,902 | Shares | Sole | 2022-05-16 | |
| 2022-03-31 | $1,820,000 | 200,000 | Call | Sole | 2022-05-16 | |
| 2021-12-31 | $9,378,945 | 458,404 | Shares | Sole | 2022-02-14 | |
| 2021-12-31 | $1,227,600 | 60,000 | Call | Sole | 2022-02-14 | |
| 2021-09-30 | $9,946,104 | 389,280 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $23,325,164 | 667,005 | Shares | Sole | 2021-08-16 | |
| 2021-06-30 | $3,497,000 | 100,000 | Call | Sole | 2021-08-16 | |
| 2021-03-31 | $3,331,000 | 100,000 | Call | Sole | 2021-05-17 | |
| 2021-03-31 | $11,413,105 | 342,633 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $5,188,000 | 200,000 | Call | Sole | 2021-02-16 | |
| 2020-12-31 | $38,276,648 | 1,475,584 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $21,347,477 | 2,162,865 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $7,022,347 | 2,035,463 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $7,194,968 | 2,351,297 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||