SUSQUEHANNA INTERNATIONAL GROUP, LLP
Position in TMO — Thermo Fisher Scientific Inc.
CIK 1446194
BALA CYNWYD, PA
Position in TMO
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$31,654,039
-$80,501,405 QoQ
Shares Held
64,399
-66.7% QoQ
Ownership
0.017%
of shares outstanding
% of Portfolio
0.05%
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
$233,919,127
CallShares
475,900
PutValue
$329,374,253
PutShares
670,100
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, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $220,999,669 across 38 Diagnostics & Research names. TMO ranks #3 (14.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
240,547 | $45,607,710 | |
| 2 | NTRA |
Natera, Inc.
|
199,638 | $39,925,603 | |
| 3 | TMO |
Thermo Fisher Scientific Inc.
This page
|
64,399 | $31,654,039 | |
| 4 | GRAL |
GRAIL, Inc.
|
304,808 | $15,752,477 | |
| 5 | IDXX |
Idexx Laboratories Inc /De
|
14,061 | $7,900,735 | |
| 6 | QGEN |
Qiagen N.V.
|
185,900 | $7,443,436 | |
| 7 | IQV |
Iqvia Holdings Inc.
|
42,781 | $7,295,871 | |
| 8 | GH |
Guardant Health, Inc.
|
75,989 | $7,019,103 |
All Filings in TMO
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $329,374,253 | 670,100 | Put | Other | 2026-05-15 | |
| 2026-03-31 | $233,919,127 | 475,900 | Call | Other | 2026-05-15 | |
| 2026-03-31 | $31,654,039 | 64,399 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $112,155,444 | 193,555 | Shares | Other | 2026-02-17 | |
| 2025-12-31 | $350,451,360 | 604,800 | Call | Other | 2026-02-17 | |
| 2025-12-31 | $665,034,765 | 1,147,700 | Put | Other | 2026-02-17 | |
| 2025-09-30 | $453,881,716 | 935,800 | Call | Other | 2025-11-14 | |
| 2025-09-30 | $562,332,188 | 1,159,400 | Put | Other | 2025-11-14 | |
| 2025-09-30 | $103,973,251 | 214,369 | Shares | Other | 2025-11-14 | |
| 2025-06-30 | $213,758,512 | 527,200 | Call | Other | 2025-08-14 | |
| 2025-06-30 | $405,743,822 | 1,000,700 | Put | Other | 2025-08-14 | |
| 2025-06-30 | $84,252,155 | 207,794 | Shares | Other | 2025-08-14 | |
| 2025-03-31 | $199,239,040 | 400,400 | Call | Other | 2025-05-14 | |
| 2025-03-31 | $24,442,609 | 49,121 | Shares | Other | 2025-05-14 | |
| 2025-03-31 | $340,358,400 | 684,000 | Put | Other | 2025-05-14 | |
| 2024-12-31 | $299,600,457 | 575,900 | Call | Other | 2025-02-14 | |
| 2024-12-31 | $364,473,138 | 700,600 | Put | Other | 2025-02-14 | |
| 2024-12-31 | $143,673,478 | 276,173 | Shares | Other | 2025-02-14 | |
| 2024-09-30 | $343,615,635 | 555,500 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $465,845,067 | 753,100 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $45,166,744 | 73,018 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $58,666,664 | 106,088 | Shares | Defined | 2024-08-15 | |
| 2024-06-30 | $256,536,700 | 463,900 | Call | Defined | 2024-08-15 | |
| 2024-06-30 | $322,233,100 | 582,700 | Put | Defined | 2024-08-15 | |
| 2024-03-31 | $314,550,852 | 541,200 | Call | Defined | 2024-05-07 | |
| 2024-03-31 | $236,261,865 | 406,500 | Put | Defined | 2024-05-07 | |
| 2024-03-31 | $64,251,020 | 110,547 | Shares | Defined | 2024-05-07 | |
| 2023-12-31 | $427,392,108 | 805,200 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $68,172,542 | 128,436 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $477,976,395 | 900,500 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $351,889,384 | 695,200 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $349,662,236 | 690,800 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $102,053,992 | 201,620 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $115,930,761 | 222,196 | Shares | Defined | 2023-08-11 | |
| 2023-06-30 | $425,539,300 | 815,600 | Put | Defined | 2023-08-11 | |
| 2023-06-30 | $259,309,750 | 497,000 | Call | Defined | 2023-08-11 | |
| 2023-03-31 | $434,294,795 | 753,500 | Call | Defined | 2023-05-16 | |
| 2023-03-31 | $129,470,566 | 224,631 | Shares | Defined | 2023-05-16 | |
| 2023-03-31 | $460,116,171 | 798,300 | Put | Defined | 2023-05-16 | |
| 2022-12-31 | $87,580,084 | 159,037 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $343,079,870 | 623,000 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $400,902,320 | 728,000 | Put | Defined | 2023-02-14 | |
| 2022-09-30 | $10,943,130 | 21,576 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $314,660,676 | 620,400 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $307,610,735 | 606,500 | Put | Defined | 2022-11-14 | |
| 2022-06-30 | $53,871,100 | 99,159 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $188,789,800 | 347,500 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $190,310,984 | 350,300 | Put | Defined | 2022-08-15 | |
| 2022-03-31 | $224,624,195 | 380,300 | Put | Defined | 2022-05-16 | |
| 2022-03-31 | $205,073,680 | 347,200 | Call | Defined | 2022-05-16 | |
| No filing history on record for this holder in this stock. | ||||||