BOOTHBAY FUND MANAGEMENT, LLC
Position in TMO — Thermo Fisher Scientific Inc.
CIK 1549230
NEW YORK, NY
Position in TMO
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$751,057
-$892,263 QoQ
Shares Held
1,528
-46.1% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
22 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in TMO Over Time
Shares Held
Position Value (USD)
Derivatives in TMO
reported options exposure · as of Sep 30, 2025CallValue
$9,360,886
CallShares
19,300
PutValue
$3,686,152
PutShares
7,600
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, 2026BOOTHBAY FUND MANAGEMENT, LLC holds $13,551,265 across 13 Diagnostics & Research names. TMO ranks #6 (5.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NTRA |
Natera, Inc.
|
14,604 | $2,920,653 | |
| 2 | DHR |
Danaher Corp /De/
|
14,137 | $2,680,375 | |
| 3 | FRNM |
Freenome, Inc.
|
161,437 | $1,770,963 | |
| 4 | QGEN |
Qiagen N.V.
|
38,925 | $1,558,557 | |
| 5 | MEDP |
Medpace Holdings, Inc.
|
2,509 | $1,204,796 | |
| 6 | TMO |
Thermo Fisher Scientific Inc.
This page
|
1,528 | $751,057 | |
| 7 | A |
Agilent Technologies, Inc.
|
5,686 | $648,090 | |
| 8 | RDNT |
RadNet, Inc.
|
9,911 | $553,925 |
All Filings in TMO
Export CSV
37 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $751,057 | 1,528 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $1,643,320 | 2,836 | Shares | Other | 2026-02-17 | |
| 2025-09-30 | $3,686,152 | 7,600 | Put | Other | 2025-11-14 | |
| 2025-09-30 | $6,031,708 | 12,436 | Shares | Other | 2025-11-14 | |
| 2025-09-30 | $9,360,886 | 19,300 | Call | Other | 2025-11-14 | |
| 2025-06-30 | $1,408,162 | 3,473 | Shares | Other | 2025-08-14 | |
| 2025-03-31 | $3,931,040 | 7,900 | Call | Other | 2025-05-15 | |
| 2025-03-31 | $2,857,219 | 5,742 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $4,630,047 | 8,900 | Put | Other | 2025-02-14 | |
| 2024-12-31 | $13,916,152 | 26,750 | Shares | Other | 2025-02-14 | |
| 2024-09-30 | $8,783,694 | 14,200 | Call | Other | 2024-11-14 | |
| 2024-09-30 | $8,854,829 | 14,315 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $5,917,100 | 10,700 | Call | Other | 2024-08-14 | |
| 2024-06-30 | $5,823,090 | 10,530 | Shares | Other | 2024-08-14 | |
| 2024-03-31 | $3,127,491 | 5,381 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $13,736,314 | 25,879 | Shares | Other | 2024-02-14 | |
| 2023-06-30 | $4,800,100 | 9,200 | Call | Other | 2023-08-14 | |
| 2023-06-30 | $4,538,703 | 8,699 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $7,436,902 | 12,903 | Shares | Other | 2023-05-15 | |
| 2022-12-31 | $3,194,002 | 5,800 | Put | Other | 2023-02-14 | |
| 2022-12-31 | $8,688,786 | 15,778 | Shares | Other | 2023-02-14 | |
| 2022-09-30 | $253,595 | 500 | Put | Other | 2022-11-14 | |
| 2022-09-30 | $4,278,654 | 8,436 | Shares | Other | 2022-11-14 | |
| 2022-09-30 | $253,595 | 500 | Call | Other | 2022-11-14 | |
| 2022-06-30 | $271,640 | 500 | Call | Other | 2022-08-15 | |
| 2022-06-30 | $543,280 | 1,000 | Put | Other | 2022-08-15 | |
| 2022-06-30 | $3,110,278 | 5,725 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $1,299,430 | 2,200 | Put | Other | 2022-05-16 | |
| 2022-03-31 | $565,252 | 957 | Shares | Other | 2022-05-16 | |
| 2022-03-31 | $472,520 | 800 | Call | Other | 2022-05-16 | |
| 2021-12-31 | $6,872,572 | 10,300 | Put | Other | 2022-02-14 | |
| 2021-12-31 | $7,619,880 | 11,420 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $2,137,345 | 3,741 | Shares | Other | 2021-11-15 | |
| 2021-06-30 | $2,717,579 | 5,387 | Shares | Other | 2021-08-17 | |
| 2020-09-30 | $1,066,270 | 2,415 | Shares | Other | 2020-11-16 | |
| 2020-06-30 | $931,213 | 2,570 | Shares | Other | 2020-08-14 | |
| 2020-03-31 | $1,566,606 | 5,524 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||