TWO SIGMA INVESTMENTS, LP

Position in TMO — Thermo Fisher Scientific Inc.

CIK 1179392 NEW YORK, NY

Back to TMO Full portfolio

Position in TMO

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$8,530,139

-$83,824,907 QoQ

Shares Held

17,014

-90.9% QoQ

Ownership

0.005%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#680

of 2,606 holders

Holding Since

Mar 2020

24 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

$852,312

CallShares

1,700

PutValue

$1,453,944

PutShares

2,900

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

TWO SIGMA INVESTMENTS, LP holds $744,220,642 across 29 Diagnostics & Research names. TMO ranks #8 (1.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	GH	Guardant Health, Inc.	3,719,301	$558,006,729
2	DHR	Danaher Corp /De/	452,752	$86,240,200
3	CDNA	CareDx, Inc.	401,987	$11,456,629
4	TWST	Twist Bioscience Corp	94,600	$9,732,448
5	IQV	Iqvia Holdings Inc.	48,191	$9,311,465
6	MYGN	Myriad Genetics Inc	1,557,727	$8,894,621
7	NTRA	Natera, Inc.	32,600	$8,849,270
8	TMO	Thermo Fisher Scientific Inc. This page	17,014	$8,530,139

All Filings in TMO

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37 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,453,944	2,900	+45.0%	Put	Sole	2026-08-14
2026-06-30	$8,530,139	17,014	-90.9%	Shares	Sole	2026-08-14
2026-06-30	$852,312	1,700	+30.8%	Call	Sole	2026-08-14
2026-03-31	$92,355,046	187,893	+1920.4%	Shares	Sole	2026-05-15
2025-12-31	$1,158,900	2,000	-86.7%	Put	Sole	2026-02-17
2025-12-31	$753,285	1,300	-88.5%	Call	Sole	2026-02-17
2025-12-31	$5,388,885	9,300	-2.4%	Shares	Sole	2026-02-17
2025-09-30	$4,621,270	9,528	-98.5%	Shares	Sole	2025-11-14
2025-06-30	$258,325,458	637,117	+92.3%	Shares	Sole	2025-08-14
2025-03-31	$164,835,473	331,261	-26.7%	Shares	Sole	2025-05-15
2024-12-31	$235,056,041	451,831	+13.7%	Shares	Sole	2025-02-14
2024-09-30	$245,711,468	397,225	-7.2%	Shares	Sole	2024-11-14
2024-06-30	$236,581,695	427,815	+179.8%	Shares	Sole	2024-08-14
2024-03-31	$88,876,889	152,917	+38.5%	Shares	Sole	2024-05-15
2023-12-31	$58,585,946	110,375	-49.3%	Shares	Sole	2024-02-14
2023-09-30	$110,119,308	217,554	-48.2%	Shares	Sole	2023-11-14
2023-06-30	$219,048,389	419,834	+73.2%	Shares	Sole	2023-08-14
2023-03-31	$139,686,151	242,355	+20096.2%	Shares	Sole	2023-05-15
2022-12-31	$660,828	1,200	-98.6%	Shares	Sole	2023-02-14
2022-06-30	$45,271,522	83,330	-75.4%	Shares	Sole	2022-08-15
2021-12-31	$10,008,600	15,000	+31.6%	Put	Sole	2022-02-14
2021-12-31	$226,251,075	339,085	+896.0%	Shares	Sole	2022-02-14
2021-12-31	$7,539,812	11,300	-15.0%	Call	Sole	2022-02-14
2021-09-30	$6,513,162	11,400	+115.1%	Put	Sole	2021-11-15
2021-09-30	$7,598,689	13,300	+241.0%	Call	Sole	2021-11-15
2021-06-30	$17,174,681	34,045	—	Shares	Sole	2021-08-16
2021-06-30	$1,967,433	3,900	+254.5%	Call	Sole	2021-08-16
2021-06-30	$2,673,691	5,300	+231.2%	Put	Sole	2021-08-16
2021-03-31	$730,208	1,600	-80.0%	Put	Sole	2021-05-17
2021-03-31	$502,018	1,100	-78.0%	Call	Sole	2021-05-17
2020-12-31	$2,328,900	5,000	+525.0%	Call	Sole	2021-02-16
2020-12-31	$3,726,240	8,000	+700.0%	Put	Sole	2021-02-16
2020-09-30	$353,216	800	-60.0%	Call	Sole	2020-11-16
2020-06-30	$724,680	2,000	+100.0%	Call	Sole	2020-08-14
2020-06-30	$362,340	1,000	0.0%	Put	Sole	2020-08-14
2020-03-31	$283,600	1,000	—	Call	Sole	2020-05-15
2020-03-31	$283,600	1,000	—	Put	Sole	2020-05-15
No filing history on record for this holder in this stock.