HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND

Pension

Position in TMO — Thermo Fisher Scientific Inc.

CIK 1535845 TORONTO, A6

Position in TMO

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$39,838,014

-$30,925,578 QoQ

Shares Held

81,049

-33.6% QoQ

Ownership

0.022%

of shares outstanding

% of Portfolio

0.08%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

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

Healthcare · as of Mar 31, 2026

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $320,042,579 across 15 Diagnostics & Research names. TMO ranks #3 (12.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	DHR	Danaher Corp /De/	614,167	$116,446,063
2	IDXX	Idexx Laboratories Inc /De	133,891	$75,232,013
3	TMO	Thermo Fisher Scientific Inc. This page	81,049	$39,838,014
4	DGX	Quest Diagnostics Inc	170,912	$33,495,333
5	MTD	Mettler Toledo International Inc/	24,278	$30,619,413
6	A	Agilent Technologies, Inc.	60,573	$6,904,110
7	WAT	Waters Corp /De/	20,893	$6,221,935
8	MEDP	Medpace Holdings, Inc.	6,332	$3,040,563

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$39,838,014	81,049	-33.6%	Shares	Sole	2026-05-14
2025-12-31	$70,763,592	122,122	+104.4%	Shares	Sole	2026-02-13
2025-09-30	$28,978,974	59,748	-89.8%	Shares	Sole	2025-11-13
2025-06-30	$238,596,586	588,459	+1030.2%	Shares	Sole	2025-08-13
2025-03-31	$25,909,036	52,068	-45.3%	Shares	Sole	2025-05-14
2024-12-31	$49,510,809	95,171	+44.0%	Shares	Sole	2025-02-14
2024-09-30	$40,891,188	66,106	-3.2%	Shares	Sole	2024-11-13
2024-06-30	$37,781,513	68,321	+0.4%	Shares	Sole	2024-09-20
2024-03-31	$39,555,408	68,057	-48.2%	Shares	Sole	2024-05-13
2023-12-31	$69,773,407	131,452	+137.0%	Shares	Sole	2024-03-21
2023-09-30	$28,074,719	55,465	-6.2%	Shares	Sole	2023-11-13
2023-06-30	$30,865,164	59,157	+115.4%	Shares	Sole	2023-08-11
2023-03-31	$15,827,696	27,461	-55.9%	Shares	Sole	2023-05-12
2022-12-31	$34,263,931	62,220	+1672.1%	Shares	Sole	2023-02-13
2022-09-30	$1,780,744	3,511	-95.5%	Shares	Sole	2022-11-14
2022-06-30	$42,859,902	78,891	+128.8%	Shares	Sole	2022-08-11
2022-03-31	$20,365,612	34,480	-89.8%	Shares	Sole	2022-05-12
2021-12-31	$224,527,594	336,502	+214.4%	Shares	Sole	2022-02-11
2021-09-30	$61,152,306	107,035	+41.4%	Shares	Sole	2021-11-10
2021-06-30	$38,175,767	75,675	-46.1%	Shares	Sole	2021-08-12
2021-03-31	$64,099,483	140,452	-42.9%	Shares	Sole	2021-05-13
2020-12-31	$114,496,176	245,816	+475.8%	Shares	Sole	2021-03-01
2020-09-30	$18,850,254	42,694	+1986.7%	Shares	Sole	2021-03-01
2020-06-30	$741,347	2,046	+82.8%	Shares	Sole	2021-03-01
2020-03-31	$317,348	1,119	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.