S&CO INC

Position in WAT — Waters Corp /De/

CIK 1082461 BOSTON, MA

Position in WAT

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

Position Value

$4,281,831

+$881,849 QoQ

Shares Held

11,417

0.0% QoQ

Ownership

0.012%

of shares outstanding

% of Portfolio

0.34%

of 13F equity value

Holder Rank

#289

of 1,173 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. WAT ranks #2 (13.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TMO	Thermo Fisher Scientific Inc.	41,387	$20,749,786
2	WAT	Waters Corp /De/ This page	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	$4,281,831	11,417	0.0%	Shares	Sole	2026-08-06
2026-03-31	$3,399,982	11,417	+4.2%	Shares	Sole	2026-05-07
2025-12-31	$4,160,657	10,954	-1.2%	Shares	Sole	2026-02-05
2025-09-30	$3,323,094	11,084	-11.9%	Shares	Sole	2025-11-06
2025-06-30	$4,392,319	12,584	+1.0%	Shares	Sole	2025-08-07
2025-03-31	$4,593,856	12,464	-6.1%	Shares	Sole	2025-05-08
2024-12-31	$4,925,130	13,276	+1.0%	Shares	Sole	2025-02-07
2024-09-30	$4,731,113	13,146	0.0%	Shares	Sole	2024-11-07
2024-06-30	$3,813,917	13,146	+0.4%	Shares	Sole	2024-08-08
2024-03-31	$4,506,314	13,091	+4.5%	Shares	Sole	2024-05-09
2023-12-31	$4,126,239	12,533	+18.7%	Shares	Sole	2024-02-12
2023-09-30	$2,895,657	10,560	0.0%	Shares	Sole	2023-11-09
2023-06-30	$2,814,662	10,560	+17.7%	Shares	Sole	2023-08-08
2023-03-31	$2,778,929	8,975	0.0%	Shares	Sole	2023-05-09
2022-12-31	$3,074,655	8,975	0.0%	Shares	Sole	2023-02-07
2022-09-30	$2,419,031	8,975	0.0%	Shares	Sole	2022-11-09
2022-06-30	$2,970,545	8,975	0.0%	Shares	Sole	2022-08-09
2022-03-31	$2,785,750	8,975	0.0%	Shares	Sole	2022-05-05
2021-12-31	$3,344,085	8,975	0.0%	Shares	Sole	2022-02-08
2021-09-30	$3,206,767	8,975	0.0%	Shares	Sole	2021-11-09
2021-06-30	$3,101,849	8,975	0.0%	Shares	Sole	2021-07-14
2021-03-31	$2,550,425	8,975	0.0%	Shares	Sole	2021-04-23
2020-12-31	$2,220,594	8,975	-2.5%	Shares	Sole	2021-01-28
2020-09-30	$1,802,017	9,209	0.0%	Shares	Sole	2020-12-11
2020-06-30	$1,661,303	9,209	0.0%	Shares	Sole	2020-12-16
2020-03-31	$1,676,498	9,209	—	Shares	Sole	2020-04-28
No filing history on record for this holder in this stock.