Robeco Institutional Asset Management B.V.

Position in DGX — Quest Diagnostics Inc

CIK 1418773 ROTTERDAM, P7

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Position in DGX

as of Mar 31, 2026 · filed Apr 21, 2026 Compact

Position Value

$22,030,503

+$3,026,539 QoQ

Shares Held

112,412

+2.6% QoQ

Ownership

0.102%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 82.16471551079955.ToString("F0")% Shared 0.ToString("F0")% None 17.835284489200443.ToString("F0")%

Common Shares in DGX Over Time

Shares Held

Position Value (USD)

Position in Diagnostics & Research

Healthcare · as of Mar 31, 2026

Robeco Institutional Asset Management B.V. holds $811,146,738 across 13 Diagnostics & Research names. DGX ranks #6 (2.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TMO	Thermo Fisher Scientific Inc.	634,639	$311,944,107
2	DHR	Danaher Corp /De/	1,152,606	$218,534,097
3	IDXX	Idexx Laboratories Inc /De	189,760	$106,624,246
4	NTRA	Natera, Inc.	405,713	$81,138,542
5	IQV	Iqvia Holdings Inc.	177,005	$30,186,432
6	DGX	Quest Diagnostics Inc This page	112,412	$22,030,503
7	WAT	Waters Corp /De/	41,356	$12,315,816
8	MTD	Mettler Toledo International Inc/	7,871	$9,926,905

All Filings in DGX

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$22,030,503	112,412	+2.6%	Shares	Defined	2026-04-21
2025-12-31	$19,003,964	109,514	-1.7%	Shares	Defined	2026-01-23
2025-09-30	$21,240,903	111,454	-3.8%	Shares	Defined	2025-10-22
2025-06-30	$20,811,931	115,860	-4.8%	Shares	Defined	2025-07-18
2025-03-31	$20,597,054	121,732	+3.8%	Shares	Defined	2025-04-23
2024-12-31	$17,692,860	117,280	-5.8%	Shares	Defined	2025-01-23
2024-09-30	$19,326,141	124,484	+10.7%	Shares	Defined	2024-10-29
2024-06-30	$15,385,448	112,401	-65.4%	Shares	Defined	2024-07-23
2024-03-31	$43,270,866	325,076	-29.2%	Shares	Defined	2024-04-24
2023-12-31	$63,296,571	459,070	-9.2%	Shares	Defined	2024-02-14
2023-09-30	$61,606,444	505,551	-13.9%	Shares	Defined	2023-10-24
2023-06-30	$82,522,213	587,096	-32.1%	Shares	Defined	2023-07-24
2023-03-31	$122,288,803	864,354	+5.5%	Shares	Defined	2023-05-04
2022-12-31	$128,206,334	819,524	-3.9%	Shares	Defined	2023-02-07
2022-09-30	$104,646,840	852,937	-1.8%	Shares	Defined	2022-12-01
2022-06-30	$115,554,699	868,963	-4.7%	Shares	Defined	2022-12-01
2022-03-31	$124,803,044	911,903	+13.6%	Shares	Defined	2022-12-01
2021-12-31	$138,892,428	802,800	+47.5%	Shares	Defined	2022-12-01
2021-09-30	$79,061,427	544,088	+63.9%	Shares	Defined	2022-12-01
2021-06-30	$43,819,582	332,042	-10.1%	Shares	Defined	2022-12-01
2021-03-31	$47,394,550	369,289	+5.2%	Shares	Defined	2022-12-01
2020-12-31	$41,849,286	351,173	+5.5%	Shares	Defined	2022-12-01
2020-09-30	$38,122,193	332,974	+0.8%	Shares	Defined	2021-01-19
2020-06-30	$37,637,683	330,271	+44.0%	Shares	Defined	2021-01-19
2020-03-31	$18,416,002	229,340	—	Shares	Defined	2021-01-19
No filing history on record for this holder in this stock.