Position in TNDM
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$0
-$4,615,249 QoQ
Shares Held
0
-100.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Common Shares in TNDM Over Time
Shares Held
Position Value (USD)
Derivatives in TNDM
reported options exposure · as of Mar 31, 2026CallValue
$665,199
CallShares
34,700
PutValue
$1,359,153
PutShares
70,900
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, 2026JANE STREET GROUP, LLC holds $517,213,376 across 57 Medical Devices names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BSX |
Boston Scientific Corp
|
4,032,117 | $253,015,341 | |
| 2 | DXCM |
Dexcom Inc
|
741,669 | $46,576,812 | |
| 3 | ESTA |
Establishment Labs Holdings Inc.
|
627,700 | $35,640,805 | |
| 4 | EW |
Edwards Lifesciences Corp
|
390,333 | $31,257,865 | |
| 5 | MDT |
Medtronic plc
|
349,874 | $30,316,580 | |
| 6 | ABT |
Abbott Laboratories
|
160,022 | $16,429,457 | |
| 7 | IRTC |
iRhythm Holdings, Inc.
|
112,864 | $13,320,209 | |
| 8 | ATEC |
Alphatec Holdings, Inc.
|
878,549 | $9,558,612 |
All Filings in TNDM
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,359,153 | 70,900 | Put | Defined | 2026-05-12 | |
| 2026-03-31 | $665,199 | 34,700 | Call | Defined | 2026-05-12 | |
| 2025-12-31 | $4,615,249 | 209,975 | Shares | Defined | 2026-02-12 | |
| 2025-12-31 | $472,570 | 21,500 | Call | Defined | 2026-02-12 | |
| 2025-12-31 | $1,224,286 | 55,700 | Put | Defined | 2026-02-12 | |
| 2025-09-30 | $2,638,155 | 217,311 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $542,658 | 44,700 | Put | Defined | 2025-11-14 | |
| 2025-06-30 | $493,960 | 26,500 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $1,679,613 | 90,108 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $833,208 | 44,700 | Put | Defined | 2025-08-14 | |
| 2025-03-31 | $890,940 | 46,500 | Put | Defined | 2025-05-19 | |
| 2025-03-31 | $607,372 | 31,700 | Call | Defined | 2025-05-19 | |
| 2024-12-31 | $1,125,659 | 31,251 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $3,756,886 | 104,300 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $5,886,508 | 138,800 | Call | Defined | 2024-11-15 | |
| 2024-09-30 | $4,893,561 | 115,387 | Shares | Defined | 2024-11-15 | |
| 2024-09-30 | $2,226,525 | 52,500 | Put | Defined | 2024-11-15 | |
| 2024-06-30 | $2,727,430 | 67,695 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $10,909,784 | 308,099 | Shares | Defined | 2024-05-16 | |
| 2023-12-31 | $5,640,639 | 190,691 | Shares | Defined | 2024-02-15 | |
| 2023-09-30 | $970,145 | 46,709 | Shares | Defined | 2023-11-15 | |
| 2023-06-30 | $997,992 | 40,668 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $1,486,894 | 36,614 | Shares | Defined | 2023-05-16 | |
| 2022-12-31 | $1,977,260 | 43,988 | Shares | Defined | 2023-02-15 | |
| 2022-09-30 | $2,119,371 | 44,292 | Shares | Defined | 2022-11-15 | |
| 2022-06-30 | $2,159,309 | 36,481 | Shares | Defined | 2022-08-16 | |
| 2022-03-31 | $2,872,363 | 24,700 | Put | Defined | 2022-05-17 | |
| 2022-03-31 | $2,047,982 | 17,611 | Shares | Defined | 2022-05-17 | |
| 2022-03-31 | $6,163,370 | 53,000 | Call | Defined | 2022-05-17 | |
| 2021-12-31 | $918,172 | 6,100 | Put | Defined | 2022-02-15 | |
| 2021-12-31 | $1,638,409 | 10,885 | Shares | Defined | 2022-02-15 | |
| 2021-12-31 | $13,170,500 | 87,500 | Call | Defined | 2022-02-15 | |
| 2021-09-30 | $4,918,456 | 41,200 | Call | Defined | 2021-11-16 | |
| 2021-09-30 | $2,817,368 | 23,600 | Put | Defined | 2021-11-16 | |
| 2021-06-30 | $1,412,300 | 14,500 | Put | Defined | 2021-08-16 | |
| 2021-06-30 | $8,804,960 | 90,400 | Call | Defined | 2021-08-16 | |
| 2021-06-30 | $1,932,902 | 19,845 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $2,162,125 | 24,500 | Put | Defined | 2021-05-18 | |
| 2021-03-31 | $10,404,675 | 117,900 | Call | Defined | 2021-05-18 | |
| 2021-03-31 | $1,241,765 | 14,071 | Shares | Defined | 2021-05-18 | |
| 2020-12-31 | $2,045,638 | 21,380 | Shares | Defined | 2021-02-17 | |
| 2020-12-31 | $22,140,352 | 231,400 | Call | Defined | 2021-02-17 | |
| 2020-12-31 | $6,056,544 | 63,300 | Put | Defined | 2021-02-17 | |
| 2020-09-30 | $4,254,093 | 37,481 | Shares | Defined | 2020-11-17 | |
| 2020-09-30 | $5,357,200 | 47,200 | Put | Defined | 2020-11-17 | |
| 2020-09-30 | $32,449,650 | 285,900 | Call | Defined | 2020-11-17 | |
| 2020-06-30 | $15,985,472 | 161,600 | Call | Defined | 2020-08-17 | |
| 2020-06-30 | $5,697,792 | 57,600 | Put | Defined | 2020-08-17 | |
| 2020-06-30 | $16,684,044 | 168,662 | Shares | Defined | 2020-08-17 | |
| 2020-03-31 | $596,588 | 9,271 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||