Position in SIBN
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$4,664,296
+$2,545,836 QoQ
Shares Held
369,303
+243.8% QoQ
Ownership
0.833%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
23 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in SIBN Over Time
Shares Held
Position Value (USD)
Derivatives in SIBN
reported options exposure · as of Dec 31, 2023CallValue
$0
CallShares
0
PutValue
$419,800
PutShares
20,000
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 Mar 31, 2026MILLENNIUM MANAGEMENT LLC holds $2,438,858,395 across 79 Medical Devices names. SIBN ranks #41 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PEN |
Penumbra Inc
|
1,098,136 | $360,594,918 | |
| 2 | BSX |
Boston Scientific Corp
|
4,337,804 | $272,197,201 | |
| 3 | IRTC |
iRhythm Holdings, Inc.
|
1,608,014 | $189,777,812 | |
| 4 | MASI |
Masimo Corp
|
988,853 | $175,887,283 | |
| 5 | LIVN |
LivaNova PLC
|
2,438,671 | $155,001,928 | |
| 6 | EW |
Edwards Lifesciences Corp
|
1,796,821 | $143,889,425 | |
| 7 | GMED |
Globus Medical Inc
|
1,643,352 | $141,591,208 | |
| 8 | ABT |
Abbott Laboratories
|
1,323,342 | $135,867,523 |
All Filings in SIBN
Export CSV
29 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $4,664,296 | 369,303 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $2,118,460 | 107,427 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $3,041,313 | 206,611 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $6,356,793 | 337,768 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $3,220,628 | 229,553 | Shares | Sole | 2025-05-15 | |
| 2024-06-30 | $3,102,540 | 239,949 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $3,830,841 | 234,016 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $419,800 | 20,000 | Put | Sole | 2024-02-14 | |
| 2023-12-31 | $25,404,700 | 1,210,324 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $42,216,284 | 1,987,584 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $55,500,045 | 2,057,081 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $196,700 | 10,000 | Put | Sole | 2023-05-15 | |
| 2023-03-31 | $32,636,208 | 1,659,187 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $21,019,507 | 1,545,552 | Shares | Sole | 2023-02-14 | |
| 2022-12-31 | $1,088,000 | 80,000 | Call | Sole | 2023-02-14 | |
| 2022-09-30 | $15,788,309 | 904,256 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $1,650,000 | 125,000 | Call | Sole | 2022-08-15 | |
| 2022-03-31 | $3,322,200 | 147,000 | Call | Sole | 2022-05-16 | |
| 2021-12-31 | $17,467,343 | 786,463 | Shares | Sole | 2022-02-14 | |
| 2021-12-31 | $666,300 | 30,000 | Put | Sole | 2022-02-14 | |
| 2021-09-30 | $38,134,111 | 1,780,304 | Shares | Sole | 2021-11-15 | |
| 2021-09-30 | $642,600 | 30,000 | Put | Sole | 2021-11-15 | |
| 2021-06-30 | $13,305,578 | 422,802 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $318,100 | 10,000 | Put | Sole | 2021-05-17 | |
| 2021-03-31 | $17,863,382 | 561,565 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $26,078,600 | 872,194 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $27,509,696 | 1,159,768 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $18,960,374 | 1,189,484 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $9,021,222 | 754,914 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||