Position in TMO
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$8,438,095
-$377,887,593 QoQ
Shares Held
17,167
-97.4% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in TMO Over Time
Shares Held
Position Value (USD)
Derivatives in TMO
reported options exposure · as of Mar 31, 2026CallValue
$125,241,844
CallShares
254,800
PutValue
$261,149,889
PutShares
531,300
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 Diagnostics & Research
Healthcare · as of Mar 31, 2026JANE STREET GROUP, LLC holds $146,344,169 across 28 Diagnostics & Research names. TMO ranks #4 (5.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NTRA |
Natera, Inc.
|
263,677 | $52,732,762 | |
| 2 | TWST |
Twist Bioscience Corp
|
601,163 | $28,567,265 | |
| 3 | ADPT |
Adaptive Biotechnologies Corp
|
682,182 | $9,468,686 | |
| 4 | TMO |
Thermo Fisher Scientific Inc.
This page
|
17,167 | $8,438,095 | |
| 5 | IDXX |
Idexx Laboratories Inc /De
|
14,998 | $8,427,225 | |
| 6 | A |
Agilent Technologies, Inc.
|
60,577 | $6,904,565 | |
| 7 | QGEN |
Qiagen N.V.
|
160,639 | $6,431,985 | |
| 8 | MYGN |
Myriad Genetics Inc
|
1,202,531 | $5,411,389 |
All Filings in TMO
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $125,241,844 | 254,800 | Call | Defined | 2026-05-12 | |
| 2026-03-31 | $261,149,889 | 531,300 | Put | Defined | 2026-05-12 | |
| 2026-03-31 | $8,438,095 | 17,167 | Shares | Defined | 2026-05-12 | |
| 2025-12-31 | $184,960,440 | 319,200 | Put | Defined | 2026-02-12 | |
| 2025-12-31 | $386,325,688 | 666,711 | Shares | Defined | 2026-02-12 | |
| 2025-12-31 | $183,280,035 | 316,300 | Call | Defined | 2026-02-12 | |
| 2025-09-30 | $242,461,498 | 499,900 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $77,483,399 | 159,753 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $186,975,210 | 385,500 | Put | Defined | 2025-11-14 | |
| 2025-06-30 | $110,122,936 | 271,600 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $138,859,912 | 342,475 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $255,520,892 | 630,200 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $103,401,280 | 207,800 | Put | Defined | 2025-05-19 | |
| 2025-03-31 | $86,134,560 | 173,100 | Call | Defined | 2025-05-19 | |
| 2025-03-31 | $30,395,895 | 61,085 | Shares | Defined | 2025-05-19 | |
| 2024-12-31 | $221,774,048 | 426,300 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $76,213,695 | 146,500 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $104,514,207 | 200,900 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $124,951,140 | 202,000 | Call | Defined | 2024-11-15 | |
| 2024-09-30 | $196,643,403 | 317,900 | Put | Defined | 2024-11-15 | |
| 2024-09-30 | $3,881,526 | 6,275 | Shares | Defined | 2024-11-15 | |
| 2024-06-30 | $171,776,178 | 310,626 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $53,141,772 | 91,433 | Shares | Defined | 2024-05-16 | |
| 2023-12-31 | $43,391,551 | 81,749 | Shares | Defined | 2024-02-15 | |
| 2023-09-30 | $80,258,820 | 158,561 | Shares | Defined | 2023-11-15 | |
| 2023-06-30 | $65,336,143 | 125,225 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $25,739,529 | 44,658 | Shares | Defined | 2023-05-16 | |
| 2022-12-31 | $28,071,973 | 50,976 | Shares | Defined | 2023-02-15 | |
| 2022-09-30 | $57,642,649 | 113,651 | Shares | Defined | 2022-11-15 | |
| 2022-06-30 | $38,551,147 | 70,960 | Shares | Defined | 2022-08-16 | |
| 2022-03-31 | $59,596,585 | 100,900 | Call | Defined | 2022-05-17 | |
| 2022-03-31 | $36,935,706 | 62,534 | Shares | Defined | 2022-05-17 | |
| 2022-03-31 | $154,691,235 | 261,900 | Put | Defined | 2022-05-17 | |
| 2021-12-31 | $96,149,284 | 144,100 | Call | Defined | 2022-02-15 | |
| 2021-12-31 | $139,853,504 | 209,600 | Put | Defined | 2022-02-15 | |
| 2021-12-31 | $24,789,299 | 37,152 | Shares | Defined | 2022-02-15 | |
| 2021-09-30 | $149,631,327 | 261,900 | Put | Defined | 2021-11-16 | |
| 2021-09-30 | $26,032,079 | 45,564 | Shares | Defined | 2021-11-16 | |
| 2021-09-30 | $143,746,628 | 251,600 | Call | Defined | 2021-11-16 | |
| 2021-06-30 | $78,344,191 | 155,300 | Call | Defined | 2021-08-16 | |
| 2021-06-30 | $64,773,948 | 128,400 | Put | Defined | 2021-08-16 | |
| 2021-06-30 | $63,655,537 | 126,183 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $63,674,136 | 139,520 | Shares | Defined | 2021-05-18 | |
| 2021-03-31 | $132,715,304 | 290,800 | Call | Defined | 2021-05-18 | |
| 2021-03-31 | $24,553,244 | 53,800 | Put | Defined | 2021-05-18 | |
| 2020-12-31 | $79,462,068 | 170,600 | Put | Defined | 2021-02-17 | |
| 2020-12-31 | $20,749,567 | 44,548 | Shares | Defined | 2021-02-17 | |
| 2020-12-31 | $81,790,968 | 175,600 | Call | Defined | 2021-02-17 | |
| 2020-09-30 | $3,845,638 | 8,710 | Shares | Defined | 2020-11-17 | |
| 2020-09-30 | $38,500,544 | 87,200 | Put | Defined | 2020-11-17 | |
| No filing history on record for this holder in this stock. | ||||||