Railway Pension Investments Ltd

Pension

Position in TMO — Thermo Fisher Scientific Inc.

CIK 1658020 LONDON, X0

Position in TMO

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$201,001,362

-$55,329,934 QoQ

Shares Held

408,930

-7.6% QoQ

Ownership

0.110%

of shares outstanding

% of Portfolio

2.93%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 0.ToString("F0")% Shared 0.ToString("F0")% None 100.ToString("F0")%

Healthcare · as of Mar 31, 2026

Railway Pension Investments Ltd holds $355,079,667 across 4 Diagnostics & Research names. TMO ranks #1 (56.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TMO	Thermo Fisher Scientific Inc. This page	408,930	$201,001,362
2	IDXX	Idexx Laboratories Inc /De	256,480	$144,113,547
3	DGX	Quest Diagnostics Inc	34,500	$6,761,310
4	MTD	Mettler Toledo International Inc/	2,540	$3,203,448

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$201,001,362	408,930	-7.6%	Shares	Sole	2026-05-12
2025-12-31	$256,331,296	442,370	+38.8%	Shares	Sole	2026-02-10
2025-09-30	$154,609,825	318,770	+174.6%	Shares	Sole	2025-10-22
2025-06-30	$47,061,742	116,070	-7.4%	Shares	Sole	2025-08-13
2025-03-31	$62,384,112	125,370	-9.4%	Shares	Sole	2025-05-12
2024-12-31	$71,984,225	138,370	-5.5%	Shares	Sole	2025-02-12
2024-09-30	$90,540,090	146,370	-24.1%	Shares	Sole	2024-11-13
2024-06-30	$106,712,410	192,970	-12.0%	Shares	Sole	2024-07-26
2024-03-31	$127,500,037	219,370	0.0%	Shares	Sole	2024-06-07
2023-12-31	$116,439,402	219,370	0.0%	Shares	Sole	2024-02-12
2023-09-30	$111,038,512	219,370	-5.3%	Shares	Sole	2023-10-25
2023-06-30	$120,821,647	231,570	-23.6%	Shares	Sole	2023-08-11
2023-03-31	$174,697,747	303,100	-16.0%	Shares	Sole	2023-08-11
2022-12-31	$198,744,021	360,900	-27.2%	Shares	Sole	2023-08-11
2022-09-30	$251,554,067	495,976	-16.5%	Shares	Sole	2022-11-15
2022-06-30	$322,749,609	594,076	-1.3%	Shares	Sole	2022-08-12
2022-03-31	$355,438,994	601,776	+7.5%	Shares	Sole	2022-08-31
2021-12-31	$373,371,490	559,576	+11.2%	Shares	Sole	2022-01-25
2021-09-30	$287,536,677	503,276	+3.6%	Shares	Sole	2021-10-26
2021-06-30	$245,059,418	485,776	-9.9%	Shares	Sole	2021-07-23
2021-03-31	$246,122,539	539,293	+5.2%	Shares	Sole	2021-05-14
2020-12-31	$238,720,168	512,517	+12.8%	Shares	Sole	2021-02-08
2020-09-30	$200,678,345	454,517	+14.1%	Shares	Sole	2020-10-29
2020-06-30	$144,289,947	398,217	+340.4%	Shares	Sole	2020-07-22
2020-03-31	$25,642,261	90,417	—	Shares	Sole	2020-04-22
No filing history on record for this holder in this stock.