Position in CTSO
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$19,524
+$10,291 QoQ
Shares Held
52,205
+414.5% QoQ
Ownership
0.083%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#23
of 50 holders
Holding Since
Jun 2020
9 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in CTSO Over Time
Shares Held
Position Value (USD)
Derivatives in CTSO
reported options exposure · as of Jun 30, 2020CallValue
$161,370
CallShares
16,300
PutValue
$0
PutShares
0
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, 2026JANE STREET GROUP, LLC holds $1,126,738,632 across 68 Medical Devices names. CTSO ranks #66 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BSX |
Boston Scientific Corp
|
12,087,991 | $515,915,454 | |
| 2 | MDT |
Medtronic plc
|
3,524,983 | $275,759,419 | |
| 3 | ABT |
Abbott Laboratories
|
1,009,061 | $91,562,193 | |
| 4 | SYK |
Stryker Corp
|
169,217 | $53,276,278 | |
| 5 | DXCM |
Dexcom Inc
|
750,473 | $50,544,356 | |
| 6 | IRTC |
iRhythm Holdings, Inc.
|
275,262 | $32,742,414 | |
| 7 | ESTA |
Establishment Labs Holdings Inc.
|
361,302 | $31,003,324 | |
| 8 | BRKR |
Bruker Corp
|
26,930 | $10,222,046 |
All Filings in CTSO
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $19,524 | 52,205 | Shares | Defined | 2026-08-14 | |
| 2024-12-31 | $9,233 | 10,147 | Shares | Defined | 2025-02-14 | |
| 2024-06-30 | $9,452 | 13,446 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $44,321 | 46,655 | Shares | Defined | 2024-05-16 | |
| 2023-03-31 | $210,534 | 62,473 | Shares | Defined | 2023-05-16 | |
| 2021-09-30 | $90,862 | 11,190 | Shares | Defined | 2021-11-16 | |
| 2021-06-30 | $212,841 | 28,191 | Shares | Defined | 2021-08-16 | |
| 2020-09-30 | $125,135 | 15,691 | Shares | Defined | 2020-11-17 | |
| 2020-06-30 | $161,370 | 16,300 | Call | Defined | 2020-08-17 | |
| No filing history on record for this holder in this stock. | ||||||