S&CO INC

Position in TMO — Thermo Fisher Scientific Inc.

CIK 1082461 BOSTON, MA

Position in TMO

as of Jun 30, 2026 · filed Aug 6, 2026 Compact

Position Value

$20,749,786

+$190,561 QoQ

Shares Held

41,387

-1.1% QoQ

Ownership

0.011%

of shares outstanding

% of Portfolio

1.66%

of 13F equity value

Holder Rank

#465

of 2,606 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

S&CO INC holds $31,627,687 across 5 Diagnostics & Research names. TMO ranks #1 (65.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TMO	Thermo Fisher Scientific Inc. This page	41,387	$20,749,786
2	WAT	Waters Corp /De/	11,417	$4,281,831
3	ILMN	Illumina, Inc.	18,000	$3,164,940
4	DHR	Danaher Corp /De/	13,989	$2,664,624
5	MTD	Mettler Toledo International Inc/	600	$766,506

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$20,749,786	41,387	-1.1%	Shares	Sole	2026-08-06
2026-03-31	$20,559,225	41,827	-0.4%	Shares	Sole	2026-05-07
2025-12-31	$24,324,731	41,979	-1.0%	Shares	Sole	2026-02-05
2025-09-30	$20,559,512	42,389	+0.5%	Shares	Sole	2025-11-06
2025-06-30	$17,094,599	42,161	+0.7%	Shares	Sole	2025-08-07
2025-03-31	$20,835,507	41,872	+7.5%	Shares	Sole	2025-05-08
2024-12-31	$20,268,681	38,961	+1.7%	Shares	Sole	2025-02-07
2024-09-30	$23,707,313	38,326	0.0%	Shares	Sole	2024-11-07
2024-06-30	$21,194,278	38,326	-0.2%	Shares	Sole	2024-08-08
2024-03-31	$22,310,327	38,386	-1.5%	Shares	Sole	2024-05-09
2023-12-31	$20,689,132	38,978	+1.2%	Shares	Sole	2024-02-12
2023-09-30	$19,500,199	38,525	-0.1%	Shares	Sole	2023-11-09
2023-06-30	$20,126,506	38,575	-3.5%	Shares	Sole	2023-08-08
2023-03-31	$23,030,016	39,957	-1.9%	Shares	Sole	2023-05-09
2022-12-31	$22,419,691	40,712	-0.0%	Shares	Sole	2023-02-07
2022-09-30	$20,658,863	40,732	-0.0%	Shares	Sole	2022-11-09
2022-06-30	$22,134,313	40,742	-8.9%	Shares	Sole	2022-08-09
2022-03-31	$26,417,411	44,726	+0.0%	Shares	Sole	2022-05-05
2021-12-31	$29,839,640	44,721	+1.6%	Shares	Sole	2022-02-08
2021-09-30	$25,141,947	44,006	-2.5%	Shares	Sole	2021-11-09
2021-06-30	$22,767,235	45,131	-0.7%	Shares	Sole	2021-07-14
2021-03-31	$20,735,168	45,434	-1.1%	Shares	Sole	2021-04-23
2020-12-31	$21,402,125	45,949	-4.0%	Shares	Sole	2021-01-28
2020-09-30	$21,136,003	47,871	+0.6%	Shares	Sole	2020-12-11
2020-06-30	$17,250,645	47,609	-1.0%	Shares	Sole	2020-12-16
2020-03-31	$13,632,368	48,069	—	Shares	Sole	2020-04-28
No filing history on record for this holder in this stock.