Jefferies Financial Group Inc.
Position in TMO — Thermo Fisher Scientific Inc.
CIK 96223
NEW YORK, NY
Position in TMO
as of Mar 31, 2026
· filed May 8, 2026
Position Value
$26,978,115
+$26,137,913 QoQ
Shares Held
54,886
+3685.2% QoQ
Ownership
0.015%
of shares outstanding
% of Portfolio
0.42%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2022
14 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 Dec 31, 2025CallValue
$24,105,120
CallShares
41,600
PutValue
$1,738,350
PutShares
3,000
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, 2026Jefferies Financial Group Inc. holds $132,984,184 across 14 Diagnostics & Research names. TMO ranks #3 (20.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | IQV |
Iqvia Holdings Inc.
|
218,675 | $37,292,834 | |
| 2 | GRAL |
GRAIL, Inc.
|
657,500 | $33,979,600 | |
| 3 | TMO |
Thermo Fisher Scientific Inc.
This page
|
54,886 | $26,978,115 | |
| 4 | A |
Agilent Technologies, Inc.
|
138,826 | $15,823,387 | |
| 5 | DGX |
Quest Diagnostics Inc
|
33,473 | $6,560,038 | |
| 6 | LH |
Labcorp Holdings Inc.
|
10,600 | $2,828,186 | |
| 7 | MTD |
Mettler Toledo International Inc/
|
1,693 | $2,135,211 | |
| 8 | GH |
Guardant Health, Inc.
|
18,879 | $1,743,853 |
All Filings in TMO
Export CSV
39 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $26,978,115 | 54,886 | Shares | Defined | 2026-05-08 | |
| 2025-12-31 | $24,105,120 | 41,600 | Call | Defined | 2026-02-09 | |
| 2025-12-31 | $840,202 | 1,450 | Shares | Defined | 2026-02-09 | |
| 2025-12-31 | $1,738,350 | 3,000 | Put | Defined | 2026-02-09 | |
| 2025-09-30 | $20,176,832 | 41,600 | Call | Defined | 2025-11-13 | |
| 2025-09-30 | $413,237 | 852 | Shares | Defined | 2025-11-13 | |
| 2025-09-30 | $1,455,060 | 3,000 | Put | Defined | 2025-11-13 | |
| 2025-06-30 | $1,216,380 | 3,000 | Put | Defined | 2025-08-12 | |
| 2025-06-30 | $877,415 | 2,164 | Shares | Defined | 2025-08-12 | |
| 2025-06-30 | $16,867,136 | 41,600 | Call | Defined | 2025-08-12 | |
| 2025-03-31 | $20,700,160 | 41,600 | Call | Defined | 2025-05-08 | |
| 2025-03-31 | $1,492,800 | 3,000 | Put | Defined | 2025-05-08 | |
| 2025-03-31 | $8,147,702 | 16,374 | Shares | Defined | 2025-05-08 | |
| 2024-12-31 | $5,588,310 | 10,742 | Shares | Defined | 2025-02-27 | |
| 2024-12-31 | $14,618,463 | 28,100 | Put | Defined | 2025-02-27 | |
| 2024-12-31 | $21,641,568 | 41,600 | Call | Defined | 2025-02-27 | |
| 2024-09-30 | $25,732,512 | 41,600 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $7,936,871 | 12,831 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $17,381,817 | 28,100 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $24,110,800 | 43,600 | Call | Defined | 2024-08-13 | |
| 2024-06-30 | $19,023,200 | 34,400 | Put | Defined | 2024-08-13 | |
| 2024-06-30 | $8,631,224 | 15,608 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $27,200,628 | 46,800 | Call | Defined | 2024-05-13 | |
| 2024-03-31 | $6,417,139 | 11,041 | Shares | Defined | 2024-05-13 | |
| 2024-03-31 | $19,528,656 | 33,600 | Put | Defined | 2024-05-13 | |
| 2023-12-31 | $16,098,860 | 30,330 | Shares | Defined | 2024-05-06 | |
| 2023-12-31 | $18,630,729 | 35,100 | Put | Defined | 2024-05-06 | |
| 2023-12-31 | $2,547,792 | 4,800 | Call | Defined | 2024-05-06 | |
| 2023-09-30 | $4,504,913 | 8,900 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $4,344,457 | 8,583 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $14,020,909 | 27,700 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $8,947,490 | 17,149 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $7,043,625 | 13,500 | Put | Defined | 2023-08-14 | |
| 2023-03-31 | $3,078,968 | 5,342 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $10,432,297 | 18,100 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $69,049,126 | 119,800 | Call | Defined | 2023-05-15 | |
| 2022-12-31 | $47,993,184 | 87,151 | Shares | Defined | 2023-09-21 | |
| 2022-12-31 | $2,533,174 | 4,600 | Call | Defined | 2023-09-21 | |
| 2022-12-31 | $59,529,589 | 108,100 | Put | Defined | 2023-09-21 | |
| No filing history on record for this holder in this stock. | ||||||