GUYASUTA INVESTMENT ADVISORS INC

Position in TMO — Thermo Fisher Scientific Inc.

CIK 928568 PITTSBURGH, PA

Position in TMO

as of Jun 30, 2026 · filed Jul 20, 2026 Compact

Position Value

$57,996,823

+$1,584,908 QoQ

Shares Held

115,679

+0.8% QoQ

Ownership

0.031%

of shares outstanding

% of Portfolio

3.36%

of 13F equity value

Holder Rank

#260

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

GUYASUTA INVESTMENT ADVISORS INC holds $60,978,057 across 5 Diagnostics & Research names. TMO ranks #1 (95.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TMO	Thermo Fisher Scientific Inc. This page	115,679	$57,996,823
2	GH	Guardant Health, Inc.	7,000	$1,050,210
3	MTD	Mettler Toledo International Inc/	689	$880,204
4	WAT	Waters Corp /De/	1,876	$703,575
5	DHR	Danaher Corp /De/	1,823	$347,245

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$57,996,823	115,679	+0.8%	Shares	Sole	2026-07-20
2026-03-31	$56,411,915	114,768	+0.7%	Shares	Sole	2026-04-17
2025-12-31	$66,056,141	113,998	+2.3%	Shares	Sole	2026-01-23
2025-09-30	$54,050,143	111,439	+1.4%	Shares	Sole	2025-10-21
2025-06-30	$44,566,135	109,915	+5.6%	Shares	Sole	2025-07-17
2025-03-31	$51,789,710	104,079	-1.5%	Shares	Sole	2025-04-22
2024-12-31	$54,969,582	105,664	+1.8%	Shares	Sole	2025-01-30
2024-09-30	$64,234,164	103,843	+1.0%	Shares	Sole	2024-11-13
2024-06-30	$56,857,801	102,817	-2.0%	Shares	Sole	2024-07-22
2024-03-31	$60,964,279	104,892	-0.6%	Shares	Sole	2024-04-16
2023-12-31	$55,989,321	105,483	+0.8%	Shares	Sole	2024-02-05
2023-09-30	$52,977,270	104,663	+0.3%	Shares	Sole	2023-10-25
2023-06-30	$54,456,091	104,372	-0.7%	Shares	Sole	2023-07-17
2023-03-31	$60,574,757	105,097	-0.7%	Shares	Sole	2023-04-28
2022-12-31	$58,298,796	105,865	+0.7%	Shares	Sole	2023-01-30
2022-09-30	$53,299,075	105,087	+0.2%	Shares	Sole	2022-10-25
2022-06-30	$56,984,639	104,890	+0.6%	Shares	Sole	2022-07-21
2022-03-31	$61,609,520	104,308	-0.1%	Shares	Sole	2022-05-03
2021-12-31	$69,702,559	104,464	-0.8%	Shares	Sole	2022-02-08
2021-09-30	$60,178,188	105,330	-0.4%	Shares	Sole	2021-11-09
2021-06-30	$53,373,430	105,801	+1.0%	Shares	Sole	2021-08-12
2021-03-31	$47,791,657	104,719	-2.0%	Shares	Sole	2021-05-11
2020-12-31	$49,763,003	106,838	-5.3%	Shares	Sole	2021-02-08
2020-09-30	$49,814,052	112,824	-3.2%	Shares	Sole	2020-10-28
2020-06-30	$42,223,480	116,530	-0.4%	Shares	Sole	2020-08-06
2020-03-31	$33,195,947	117,052	—	Shares	Sole	2020-04-28
No filing history on record for this holder in this stock.