Walleye Capital LLC

Position in TMO — Thermo Fisher Scientific Inc.

CIK 1758720 NEW YORK, NY

Back to TMO Full portfolio

Position in TMO

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$21,154,959

+$12,900,115 QoQ

Shares Held

43,039

+202.1% QoQ

Ownership

0.012%

of shares outstanding

% of Portfolio

0.19%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2022

15 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in TMO Over Time

Shares Held

Position Value (USD)

Derivatives in TMO

reported options exposure · as of Mar 31, 2026

CallValue

$1,867,814

CallShares

3,800

PutValue

$1,081,366

PutShares

2,200

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, 2026

Walleye Capital LLC holds $89,507,750 across 18 Diagnostics & Research names. TMO ranks #3 (23.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	GH	Guardant Health, Inc.	291,926	$26,965,204
2	ICLR	Icon PLC	196,571	$21,752,546
3	TMO	Thermo Fisher Scientific Inc. This page	43,039	$21,154,959
4	DHR	Danaher Corp /De/	35,439	$6,719,234
5	NTRA	Natera, Inc.	31,968	$6,393,280
6	MEDP	Medpace Holdings, Inc.	5,995	$2,878,739
7	WAT	Waters Corp /De/	2,969	$884,168
8	BLLN	BillionToOne, Inc.	5,956	$470,166

All Filings in TMO

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42 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$21,154,959	43,039	+1032.6%	Shares	Sole	2026-05-13
2026-03-31	$1,867,814	3,800	+72.7%	Call	Sole	2026-05-13
2026-03-31	$1,081,366	2,200	-84.6%	Put	Sole	2026-05-13
2025-12-31	$8,254,844	14,246	-72.1%	Shares	Sole	2026-02-13
2025-12-31	$29,551,950	51,000	+168.4%	Put	Sole	2026-02-13
2025-12-31	$11,009,550	19,000	+42.9%	Call	Sole	2026-02-13
2025-09-30	$6,450,766	13,300	-37.3%	Call	Sole	2025-11-14
2025-09-30	$10,282,424	21,200	+318.8%	Put	Sole	2025-11-14
2025-09-30	$2,455,171	5,062	+111.7%	Shares	Sole	2025-11-14
2025-06-30	$969,454	2,391	-93.4%	Shares	Sole	2025-08-13
2025-06-30	$14,718,198	36,300	+2.8%	Call	Sole	2025-08-13
2025-06-30	$14,312,738	35,300	+469.4%	Put	Sole	2025-08-13
2025-03-31	$3,085,120	6,200	-32.6%	Call	Sole	2025-05-14
2025-03-31	$4,577,920	9,200	-61.8%	Put	Sole	2025-05-14
2025-03-31	$11,989,672	24,095	+48.7%	Shares	Sole	2025-05-14
2024-12-31	$8,427,726	16,200	-57.5%	Call	Sole	2025-02-13
2024-12-31	$19,820,763	38,100	-27.3%	Put	Sole	2025-02-13
2024-12-31	$27,278,780	52,436	+160.9%	Shares	Sole	2025-02-13
2024-09-30	$12,433,257	20,100	-56.8%	Call	Sole	2024-11-14
2024-09-30	$28,762,267	46,498	+3.1%	Shares	Sole	2024-11-14
2024-09-30	$27,897,507	45,100	+91.9%	Put	Sole	2024-11-14
2024-06-30	$12,995,500	23,500	-53.2%	Call	Sole	2024-08-14
2024-06-30	$27,760,600	50,200	+65.9%	Put	Sole	2024-08-14
2024-06-30	$16,732,121	30,257	-18.4%	Shares	Sole	2024-08-14
2024-03-31	$21,562,891	37,100	+42.3%	Call	Sole	2024-05-15
2024-03-31	$15,151,563	26,069	-44.1%	Shares	Sole	2024-05-15
2024-03-31	$27,084,386	46,600	-10.2%	Put	Sole	2024-05-15
2023-12-31	$27,549,062	51,902	+38.4%	Shares	Sole	2024-02-14
2023-12-31	$19,904,625	37,500	+48.8%	Put	Sole	2024-02-14
2023-12-31	$13,375,908	25,200	-17.4%	Call	Sole	2024-02-14
2023-09-30	$15,438,185	30,500	-36.4%	Put	Sole	2023-11-21
2023-09-30	$24,267,814	47,944	+80.2%	Shares	Sole	2023-11-21
2023-09-30	$13,464,122	26,600	+60.2%	Call	Sole	2023-11-21
2023-06-30	$8,661,050	16,600	-19.0%	Call	Sole	2023-08-14
2023-06-30	$10,695,875	20,500	+6733.3%	Put	Sole	2023-08-14
2023-03-31	$172,911	300	-91.2%	Shares	Sole	2023-05-15
2023-03-31	$1,959,658	3,400	-50.0%	Put	Sole	2023-05-15
2023-03-31	$3,919,316	6,800	+209.1%	Call	Sole	2023-05-15
2022-12-31	$1,211,518	2,200	-15.4%	Call	Sole	2023-02-14
2022-12-31	$1,431,794	2,600	-51.9%	Put	Sole	2023-02-14
2022-09-30	$2,738,826	5,400	+58.8%	Call	Sole	2022-11-14
2022-09-30	$1,724,446	3,400	—	Put	Sole	2022-11-14
No filing history on record for this holder in this stock.