Position in TMO
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$321,691,125
+$172,832,249 QoQ
Shares Held
641,637
+111.9% QoQ
Ownership
0.174%
of shares outstanding
% of Portfolio
0.21%
of 13F equity value
Holder Rank
#82
of 2,606 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 99%
Shared 0%
None 1%
Common Shares in TMO Over Time
Shares Held
Position Value (USD)
Derivatives in TMO
reported options exposure · as of Jun 30, 2026CallValue
$300,816
CallShares
600
PutValue
$250,680
PutShares
500
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 Jun 30, 2026D. E. Shaw & Co., Inc. holds $2,287,511,101 across 27 Diagnostics & Research names. TMO ranks #3 (14.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WAT |
Waters Corp /De/
|
948,639 | $355,777,570 | |
| 2 | NTRA |
Natera, Inc.
|
1,279,255 | $347,253,769 | |
| 3 | TMO |
Thermo Fisher Scientific Inc.
This page
|
641,637 | $321,691,125 | |
| 4 | ICLR |
Icon PLC
|
1,357,143 | $235,749,309 | |
| 5 | A |
Agilent Technologies, Inc.
|
1,486,187 | $197,410,218 | |
| 6 | GH |
Guardant Health, Inc.
|
1,255,658 | $188,386,369 | |
| 7 | MEDP |
Medpace Holdings, Inc.
|
234,537 | $124,208,448 | |
| 8 | TWST |
Twist Bioscience Corp
|
1,185,605 | $121,975,041 |
All Filings in TMO
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $300,816 | 600 | Call | Defined | 2026-08-14 | |
| 2026-06-30 | $321,691,125 | 641,637 | Shares | Defined | 2026-08-14 | |
| 2026-06-30 | $250,680 | 500 | Put | Defined | 2026-08-14 | |
| 2026-03-31 | $294,918 | 600 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $148,858,876 | 302,848 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $245,765 | 500 | Put | Defined | 2026-05-15 | |
| 2025-12-31 | $27,548,790 | 47,543 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $3,824,370 | 6,600 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $637,395 | 1,100 | Call | Defined | 2026-02-17 | |
| 2025-09-30 | $31,262,448 | 64,456 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $7,372,304 | 15,200 | Put | Defined | 2025-11-14 | |
| 2025-06-30 | $24,165,416 | 59,600 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $1,905,662 | 4,700 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $537,628,606 | 1,325,972 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $2,288,960 | 4,600 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $117,120,609 | 235,371 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $547,360 | 1,100 | Call | Defined | 2025-05-15 | |
| 2024-12-31 | $5,618,484 | 10,800 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $4,682,070 | 9,000 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $282,654,484 | 543,326 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $8,536,266 | 13,800 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $208,983,255 | 337,849 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $111,298,992 | 201,264 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $774,200 | 1,400 | Call | Defined | 2024-08-14 | |
| 2024-03-31 | $33,521,867 | 57,676 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $7,381,367 | 12,700 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $10,810,506 | 18,600 | Call | Defined | 2024-05-15 | |
| 2023-12-31 | $48,620,364 | 91,600 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $54,404,381 | 102,497 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $20,223,099 | 38,100 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $46,365,172 | 91,600 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $110,012,505 | 217,343 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $5,669,104 | 11,200 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $49,879,300 | 95,600 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $140,829,716 | 269,918 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $4,800,100 | 9,200 | Put | Defined | 2023-08-14 | |
| 2023-03-31 | $10,086,475 | 17,500 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $31,873,261 | 55,300 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $25,776,995 | 44,723 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $37,688,672 | 68,439 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $34,748,539 | 63,100 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $39,209,128 | 71,200 | Call | Defined | 2023-02-14 | |
| 2022-09-30 | $16,483,675 | 32,500 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $170,101,888 | 335,381 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $24,852,310 | 49,000 | Put | Defined | 2022-11-14 | |
| 2022-06-30 | $130,233,451 | 239,717 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $15,972,432 | 29,400 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $29,337,120 | 54,000 | Put | Defined | 2022-08-15 | |
| 2022-03-31 | $220,098,634 | 372,638 | Shares | Defined | 2022-05-16 | |
| 2022-03-31 | $46,956,675 | 79,500 | Put | Defined | 2022-05-16 | |
| No filing history on record for this holder in this stock. | ||||||