RHUMBLINE ADVISERS

Position in TMO — Thermo Fisher Scientific Inc.

CIK 1115418 BOSTON, MA

Position in TMO

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

Position Value

$300,791,783

-$54,201,306 QoQ

Shares Held

611,950

-0.1% QoQ

Ownership

0.165%

of shares outstanding

% of Portfolio

0.27%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 62.43794427649318.ToString("F0")% Shared 0.ToString("F0")% None 37.56205572350682.ToString("F0")%

Healthcare · as of Mar 31, 2026

RHUMBLINE ADVISERS holds $1,138,138,827 across 32 Diagnostics & Research names. TMO ranks #1 (26.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TMO	Thermo Fisher Scientific Inc. This page	611,950	$300,791,783
2	DHR	Danaher Corp /De/	1,012,199	$191,912,930
3	IDXX	Idexx Laboratories Inc /De	173,731	$97,617,711
4	ILMN	Illumina, Inc.	609,802	$75,164,194
5	A	Agilent Technologies, Inc.	499,389	$56,920,358
6	IQV	Iqvia Holdings Inc.	324,104	$55,272,696
7	WAT	Waters Corp /De/	178,037	$53,019,418
8	MTD	Mettler Toledo International Inc/	42,022	$52,998,146

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$300,791,783	611,950	-0.1%	Shares	Sole	2026-05-12
2025-12-31	$354,993,089	612,638	-1.9%	Shares	Sole	2026-02-13
2025-09-30	$302,750,454	624,202	-1.7%	Shares	Sole	2025-11-06
2025-06-30	$257,489,400	635,055	-3.5%	Shares	Sole	2025-08-12
2025-03-31	$327,598,443	658,357	-0.9%	Shares	Sole	2025-05-29
2024-12-31	$345,751,100	664,612	-1.6%	Shares	Sole	2025-05-29
2024-09-30	$417,640,525	675,171	-3.1%	Shares	Sole	2024-11-12
2024-06-30	$385,265,699	696,683	-2.3%	Shares	Sole	2024-08-01
2024-03-31	$414,382,968	712,966	+0.1%	Shares	Sole	2024-05-09
2023-12-31	$378,216,537	712,554	-0.5%	Shares	Sole	2024-02-08
2023-09-30	$362,601,965	716,364	+0.4%	Shares	Sole	2023-11-09
2023-06-30	$372,410,541	713,772	+2.0%	Shares	Sole	2023-08-08
2023-03-31	$403,195,598	699,543	+1.4%	Shares	Sole	2023-05-11
2022-12-31	$379,799,879	689,680	+4.6%	Shares	Sole	2023-02-14
2022-09-30	$334,348,777	659,218	+2.4%	Shares	Sole	2022-11-10
2022-06-30	$349,850,588	643,960	+5.0%	Shares	Sole	2022-08-11
2022-03-31	$362,237,375	613,286	+2.1%	Shares	Sole	2022-05-12
2021-12-31	$400,726,995	600,574	+0.9%	Shares	Sole	2022-02-10
2021-09-30	$340,209,303	595,469	-2.2%	Shares	Sole	2021-11-12
2021-06-30	$307,167,242	608,891	-5.0%	Shares	Sole	2021-08-05
2021-03-31	$292,362,504	640,612	-6.4%	Shares	Sole	2021-05-06
2020-12-31	$318,782,160	684,405	-0.9%	Shares	Sole	2021-02-10
2020-09-30	$304,973,758	690,736	+4.3%	Shares	Sole	2020-11-12
2020-06-30	$239,952,418	662,230	+4.7%	Shares	Sole	2020-08-13
2020-03-31	$179,357,431	632,431	—	Shares	Sole	2020-05-06
No filing history on record for this holder in this stock.