Castle Hook Partners LP

Position in TMO — Thermo Fisher Scientific Inc.

CIK 1687241 NEW YORK, NY

Position in TMO

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

Position Value

$83,208,212

+$69,069,823 QoQ

Shares Held

165,965

+593.3% QoQ

Ownership

0.045%

of shares outstanding

% of Portfolio

0.90%

of 13F equity value

Holder Rank

#212

of 2,606 holders

Holding Since

Dec 2020

7 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

Castle Hook Partners LP holds $1,193,902,670 across 4 Diagnostics & Research names. TMO ranks #3 (7.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	NTRA	Natera, Inc.	2,596,276	$704,759,120
2	DHR	Danaher Corp /De/	2,125,349	$404,836,477
3	TMO	Thermo Fisher Scientific Inc. This page	165,965	$83,208,212
4	TWST	Twist Bioscience Corp	10,681	$1,098,861

7 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$83,208,212	165,965	+593.3%	Shares	Sole	2026-08-14
2022-03-31	$14,138,389	23,937	-37.1%	Shares	Sole	2022-05-13
2021-12-31	$25,378,473	38,035	-51.0%	Shares	Sole	2022-02-11
2021-09-30	$44,358,632	77,641	+56.8%	Shares	Sole	2021-11-12
2021-06-30	$24,973,282	49,504	-44.2%	Shares	Sole	2021-08-13
2021-03-31	$40,458,087	88,650	-15.1%	Shares	Sole	2021-05-14
2020-12-31	$48,637,213	104,421	—	Shares	Sole	2021-02-12
No filing history on record for this holder in this stock.