BARCLAYS PLC

Position in TMO — Thermo Fisher Scientific Inc.

CIK 312069 LONDON, X0

Back to TMO Full portfolio

Position in TMO

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$906,422,113

-$61,105,251 QoQ

Shares Held

1,844,083

+10.4% QoQ

Ownership

0.496%

of shares outstanding

% of Portfolio

0.40%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 55.05348728880425.ToString("F0")% Shared 44.93686021724619.ToString("F0")% None 0.009652493949567346.ToString("F0")%

Common Shares in TMO Over Time

Shares Held

Position Value (USD)

Derivatives in TMO

reported options exposure · as of Dec 31, 2025

CallValue

CallShares

PutValue

$197,940,120

PutShares

341,600

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Diagnostics & Research

Healthcare · as of Mar 31, 2026

BARCLAYS PLC holds $2,117,156,031 across 34 Diagnostics & Research names. TMO ranks #1 (42.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TMO	Thermo Fisher Scientific Inc. This page	1,844,083	$906,422,113
2	DHR	Danaher Corp /De/	1,621,385	$307,414,594
3	MTD	Mettler Toledo International Inc/	210,315	$265,249,276
4	DGX	Quest Diagnostics Inc	565,470	$110,820,809
5	IDXX	Idexx Laboratories Inc /De	187,715	$105,475,179
6	A	Agilent Technologies, Inc.	798,138	$90,971,768
7	WAT	Waters Corp /De/	180,779	$53,835,985
8	IQV	Iqvia Holdings Inc.	288,563	$49,211,533

All Filings in TMO

Export CSV

50 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$906,422,113	1,844,083	+439.8%	Shares	Defined	2026-05-15
2025-12-31	$197,940,120	341,600	-79.5%	Put	Sole	2026-02-13
2025-12-31	$967,527,364	1,669,734	-19.6%	Shares	Sole	2026-02-13
2025-09-30	$1,007,378,291	2,076,983	+559.4%	Shares	Defined	2026-03-31
2025-09-30	$152,781,300	315,000	+4336.6%	Call	Sole	2026-03-31
2025-09-30	$3,443,642	7,100	-4.1%	Put	Sole	2026-03-31
2025-06-30	$3,000,404	7,400	-99.5%	Put	Sole	2026-02-27
2025-06-30	$636,497,592	1,569,816	+5.0%	Shares	Sole	2026-02-27
2025-03-31	$744,212,051	1,495,603	+15.0%	Shares	Sole	2026-03-17
2024-12-31	$676,420,211	1,300,233	+664.8%	Shares	Sole	2026-03-19
2024-12-31	$88,439,100	170,000	+329.3%	Put	Sole	2026-03-19
2024-12-31	$20,601,108	39,600	-97.7%	Call	Sole	2026-03-19
2024-09-30	$1,056,844,780	1,708,529	+20000.3%	Shares	Sole	2026-03-31
2024-09-30	$5,257,845	8,500	-19.0%	Put	Sole	2026-03-31
2024-09-30	$6,494,985	10,500	-99.3%	Call	Sole	2026-03-31
2024-06-30	$886,197,431	1,602,527	+3626.8%	Shares	Sole	2026-03-23
2024-06-30	$23,779,000	43,000	-97.2%	Call	Sole	2026-03-23
2024-03-31	$884,294,156	1,521,471	+11694.3%	Shares	Defined	2026-03-24
2024-03-31	$7,497,609	12,900	-99.2%	Call	Sole	2026-03-24
2023-12-31	$813,846,503	1,533,274	+8513.9%	Shares	Sole	2026-03-24
2023-12-31	$9,448,062	17,800	+35.9%	Put	Sole	2026-03-24
2023-12-31	$6,953,349	13,100	-14.9%	Call	Sole	2026-03-24
2023-09-30	$7,795,018	15,400	-98.8%	Put	Sole	2026-03-26
2023-09-30	$662,119,961	1,308,098	+2147.6%	Shares	Sole	2026-03-26
2023-06-30	$30,365,850	58,200	-95.1%	Call	Sole	2026-03-27
2023-06-30	$614,467,060	1,177,704	+6370.9%	Shares	Sole	2026-03-27
2023-06-30	$9,495,850	18,200	-97.8%	Put	Sole	2026-03-27
2023-03-31	$487,559,447	845,914	+211378.5%	Shares	Defined	2026-03-30
2022-12-31	$220,276	400	-98.6%	Call	Sole	2026-03-30
2022-12-31	$15,309,182	27,800	-98.0%	Put	Sole	2026-03-30
2022-12-31	$757,035,190	1,374,703	+343575.8%	Shares	Defined	2026-03-30
2022-09-30	$202,876	400	-98.9%	Call	Sole	2022-11-03
2022-09-30	$17,954,526	35,400	-96.6%	Put	Sole	2022-11-03
2022-09-30	$521,956,832	1,029,115	+4.7%	Shares	Sole	2022-11-03
2022-06-30	$534,068,684	983,045	-4.1%	Shares	Sole	2022-08-12
2022-03-31	$605,275,672	1,024,762	-12.6%	Shares	Defined	2022-05-16
2021-12-31	$782,436,314	1,172,646	+61618.2%	Shares	Sole	2022-02-23
2021-12-31	$1,267,756	1,900	-99.8%	Put	Sole	2022-02-23
2021-09-30	$630,711,180	1,103,935	+58001.8%	Shares	Sole	2021-11-09
2021-09-30	$1,085,527	1,900	0.0%	Put	Sole	2021-11-09
2021-06-30	$958,493	1,900	-99.8%	Put	Sole	2021-08-13
2021-06-30	$432,361,055	857,060	+7.8%	Shares	Sole	2021-08-13
2021-03-31	$362,811,144	794,976	+41740.8%	Shares	Sole	2021-05-13
2021-03-31	$867,122	1,900	-94.3%	Put	Sole	2021-05-13
2020-12-31	$15,417,318	33,100	+224.5%	Put	Sole	2021-02-11
2020-12-31	$4,750,956	10,200	-98.4%	Call	Sole	2021-02-11
2020-12-31	$302,092,328	648,573	-17.8%	Shares	Sole	2021-02-11
2020-09-30	$348,389,300	789,068	+7636.0%	Shares	Defined	2020-11-12
2020-09-30	$4,503,504	10,200	-61.8%	Call	Sole	2020-11-12
2020-09-30	$11,788,584	26,700	—	Put	Sole	2020-11-12
No filing history on record for this holder in this stock.