Twin Tree Management, LP

Position in TMO — Thermo Fisher Scientific Inc.

CIK 1535588 DALLAS, TX

Back to TMO Full portfolio

Position in TMO

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$709,925

+$709,925 QoQ

Shares Held

1,416

Ownership

0.000%

of shares outstanding

% of Portfolio

0.12%

of 13F equity value

Holder Rank

#1,591

of 2,606 holders

Holding Since

Mar 2020

20 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 Jun 30, 2026

CallValue

$8,222,304

CallShares

16,400

PutValue

PutShares

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, 2026

Twin Tree Management, LP holds $5,392,282 across 7 Diagnostics & Research names. TMO ranks #4 (13.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	A	Agilent Technologies, Inc.	18,355	$2,438,094
2	NTRA	Natera, Inc.	3,141	$852,624
3	IQV	Iqvia Holdings Inc.	4,034	$779,449
4	TMO	Thermo Fisher Scientific Inc. This page	1,416	$709,925
5	DGX	Quest Diagnostics Inc	2,097	$444,459
6	DHR	Danaher Corp /De/	879	$167,431
7	GH	Guardant Health, Inc.	2	$300

All Filings in TMO

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38 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$8,222,304	16,400	-33.1%	Call	Sole	2026-08-12
2026-06-30	$709,925	1,416	-97.6%	Shares	Sole	2026-08-12
2026-03-31	$12,042,485	24,500	-27.9%	Call	Sole	2026-05-14
2025-12-31	$19,701,300	34,000	+113.8%	Call	Sole	2026-02-11
2025-12-31	$51,165,435	88,300	+117.5%	Put	Sole	2026-02-11
2025-09-30	$28,622,485	59,013	+98.8%	Shares	Sole	2025-11-13
2025-09-30	$19,691,812	40,600	+34.9%	Put	Sole	2025-11-13
2025-09-30	$7,711,818	15,900	-44.8%	Call	Sole	2025-11-13
2025-06-30	$12,033,647	29,679	+2216.9%	Shares	Sole	2025-07-28
2025-06-30	$11,677,248	28,800	-88.6%	Call	Sole	2025-07-28
2025-06-30	$12,204,346	30,100	-55.4%	Put	Sole	2025-07-28
2025-03-31	$33,588,000	67,500	+16.8%	Put	Sole	2025-05-15
2025-03-31	$125,196,160	251,600	+738.7%	Call	Sole	2025-05-15
2024-03-31	$33,593,938	57,800	+25.4%	Put	Sole	2024-05-09
2024-03-31	$744,530	1,281	-97.5%	Shares	Sole	2024-05-09
2023-12-31	$26,685,467	50,275	+4.2%	Shares	Sole	2024-02-14
2022-12-31	$26,560,880	48,232	-37.4%	Shares	Sole	2023-02-13
2022-09-30	$39,096,233	77,084	+801.6%	Shares	Sole	2022-11-10
2022-06-30	$4,645,044	8,550	-77.5%	Shares	Sole	2022-08-11
2022-03-31	$17,719,500	30,000	-39.5%	Call	Sole	2022-05-11
2021-12-31	$33,095,104	49,600	+42.1%	Call	Sole	2022-02-10
2021-12-31	$30,759,764	46,100	+7.7%	Put	Sole	2022-02-10
2021-09-30	$24,452,924	42,800	-59.5%	Put	Sole	2021-11-12
2021-09-30	$19,939,417	34,900	-87.3%	Call	Sole	2021-11-12
2021-06-30	$138,376,121	274,300	+12.7%	Call	Sole	2021-08-12
2021-06-30	$53,272,032	105,600	-32.2%	Put	Sole	2021-08-12
2021-03-31	$111,037,254	243,300	+976.5%	Call	Sole	2021-05-17
2021-03-31	$71,058,366	155,700	+855.2%	Put	Sole	2021-05-17
2021-03-31	$17,316,882	37,944	-25.7%	Shares	Sole	2021-05-17
2020-12-31	$7,592,214	16,300	+2228.6%	Put	Sole	2021-02-12
2020-12-31	$10,526,628	22,600	-52.6%	Call	Sole	2021-02-12
2020-09-30	$21,060,504	47,700	-76.0%	Call	Sole	2020-11-13
2020-09-30	$309,064	700	-94.4%	Put	Sole	2020-11-13
2020-06-30	$71,960,724	198,600	+141.9%	Call	Sole	2020-08-12
2020-06-30	$4,529,250	12,500	-89.1%	Put	Sole	2020-08-12
2020-03-31	$23,283,560	82,100	—	Call	Sole	2020-05-13
2020-03-31	$32,614,000	115,000	—	Put	Sole	2020-05-13
2020-03-31	$14,489,124	51,090	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.