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                             EXHIBIT 21

Subsidiaries of the Registrant

As of February 24, 2026, following please find a list of Revvity, Inc. (the “Ultimate Parent”) and its active subsidiaries, together with their subsidiaries. Except as noted, all voting securities of the listed subsidiaries are 100% beneficially owned by the Ultimate Parent or a subsidiary thereof. The subsidiaries are arranged alphabetically by state and then country of incorporation or organization.

			Name of Company			State or Country of Incorporation or Organization			Name of Parent
1.			Revvity, Inc.			Massachusetts			N/A
2.			2Cure, LLC			California			BioLegend, Inc.
3.			BioLegend CNS, Inc.			California			BioLegend, Inc.
4.			BioLegend, Inc.			California			Revvity, Inc.
5.			BioLegend Ventures, LLC			California			BioLegend, Inc.
6.			Cambridge Research & Instrumentation, Inc.			Delaware			Revvity Health Sciences, Inc.
7.			Dharmacon, Inc.			Delaware			Revvity Holdings, Inc.
8.			Horizon Discovery, Inc.			Delaware			Revvity Discovery Limited
9.			Oxford Immunotec USA, Inc.			Delaware			Oxford Immunotec Limited
10.			Qognit, Inc.			Delaware			BioLegend, Inc.
11.			Revvity Argentina Holdings, LLC			Delaware			Revvity Holdings, Inc.
12.			Revvity Diagnostics Holdings, Inc.			Delaware			Revvity Holdings, Inc.
13.			Revvity Global Diagnostics, Inc.			Delaware			Revvity Holdings, Inc.
14.			Revvity Health Sciences, Inc.			Delaware			Revvity Holdings, Inc.
15.			Revvity PAC, Inc.			Delaware			Revvity, Inc.
16.			Revvity Signals Software, Inc.			Delaware			Revvity Holdings, Inc.
17.			Sage Labs, LLC			Delaware			Dharmacon, Inc.
18.			ViaCord, LLC			Delaware			Revvity Diagnostics Holdings, Inc.
19.			VisEn Medical Inc.			Delaware			Revvity Health Sciences, Inc.
20.			Xenogen Corporation			Delaware			Revvity Health Sciences, Inc.
21.			Omni International, Inc.			Georgia			Revvity Holdings, Inc.
22.			NovaScreen Biosciences Corporation			Maryland			Revvity Health Sciences, Inc.
23.			Immunetics, Inc.			Massachusetts			Oxford Immunotec USA, Inc.
24.			Revvity Gene Delivery, Inc.			Massachusetts			Revvity Holdings, Inc.
25.			Revvity Holdings, Inc.			Massachusetts			Revvity, Inc.
26.			OZ Systems USA, LLC			Nevada			Optimization Zorn Corporation
27.			EUROIMMUN US, Inc.			New Jersey			Revvity Diagnostics Holdings, Inc.
28.			EUROIMMUN US Real Estate LLC			New Jersey			EUROIMMUN US, Inc.
29.			Revvity Omics, Inc.			Pennsylvania			Revvity Diagnostics Holdings, Inc.
30.			Optimization Zorn Corporation			Texas			Revvity Diagnostics Holdings, Inc.
31.			Revvity Automotive Research, Inc.			Texas			Revvity Holdings, Inc.
32.			Revvity Pty. Ltd.			Australia			Revvity Holdings, Inc.
33.			Horizon Genomics GmbH			Austria			Horizon Discovery Group Ltd.
34.			Revvity VertriebsgmbH			Austria			Wellesley B.V.
35.			ACD Labs LLC			Belarus			Advanced Chemistry Development Inc.
36.			Immunodiagnostic Systems SA			Belgium			Immunodiagnostic Systems Holdings Limited
37.			Revvity BV			Belgium			Revvity International Holdings [1]
38.			EUROIMMUN Brasil Medicina Diagnostica Ltda.			Brazil			EUROIMMUN Medizinische Labordiagnostika AG [2]
39.			Revvity do Brasil Ltda.			Brazil			Revvity Holdings, Inc. [3]
40.			Advanced Chemistry Development Inc.			Canada			Revvity Signals Software, Inc.
41.			EUROIMMUN Medical Diagnostics Canada Inc.			Canada			EUROIMMUN Medizinische Labordiagnostika AG
42.			Revvity Health Sciences Canada, Inc.			Canada			Revvity International Holdings
43.			Beijing OUMENG Biotechnology Co., Ltd.			China			EUROIMMUN Medizinische Labordiagnostika AG
44.			BioLegend China (Beijing) Ltd.			China			BioLegend, Inc.
45.			BioLegend (Shenzhen) Ltd.			China			BioLegend China (Beijing) Ltd.
46.			EUROIMMUN (Hangzhou) Medical Laboratory Diagnostics Co., Ltd.			China			EUROIMMUN Medical Diagnostics (China) Co., Ltd.

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			Name of Company			State or Country of Incorporation or Organization			Name of Parent
47.			EUROIMMUN Medical Diagnostics (China) Co., Ltd.			China			EUROIMMUN Medizinische Labordiagnostika AG
48.			EUROIMMUN (Tianjin) Medical Diagnostic Technology Co., Ltd.			China			EUROIMMUN Medical Diagnostics (China) Co., Ltd.
49.			Guangzhou EUROIMMUN Medical Diagnostic Products Co., Ltd.			China			EUROIMMUN Medical Diagnostics (China) Co., Ltd.
50.			Hangzhou EUROIMMUN Medical Diagnostic Products Co., Ltd.			China			EUROIMMUN Medical Diagnostics (China) Co., Ltd.
51.			Oxford Immunotec (Shanghai) Medical Device Co. Ltd.			China			Oxford Immunotec Asia Ltd.
52.			Revvity Biomed (Shanghai) Co., Ltd.			China			Revvity IVD Pte Ltd.
53.			Revvity Medical Laboratory (Suzhou) Co., Ltd.			China			Suzhou Sym-Bio Lifescience Co., Ltd. (70%) [4]
54.			Revvity (Shanghai) Private Equity Fund Management Co., Ltd.			China			Revvity Singapore Pte Ltd.
55.			Shanghai Haoyuan Biotech Co., Ltd.			China			Revvity Holding Luxembourg S.à r.l.
56.			Suzhou Sym-Bio Lifescience Co., Ltd.			China			Revvity Biomed (Shanghai) Co., Ltd. (75%) [5]
57.			Revvity Danmark A/S			Denmark			Wallac Oy
58.			Revvity Finland Oy			Finland			Wallac Oy
59.			Revvity Omics Finland Oy			Finland			Revvity Holdings, Inc.
60.			Revvity Oy			Finland			Revvity (UK) Holdings Ltd.
61.			Suomen Bioanalytiikka Oy			Finland			Immunodiagnostic Systems Limited
62.			Wallac Oy			Finland			Revvity Oy
63.			Wallac Holdings Oy			Finland			Revvity Global Diagnostics, Inc.
64.			Bio Evolution SAS			France			EUROIMMUN France SAS
65.			BioLegend France SAS			France			BioLegend, Inc.
66.			Cisbio Bioassays SAS			France			Revvity SAS
67.			EUROIMMUN France SAS			France			EUROIMMUN Medizinische Labordiagnostika AG
68.			ImmunoDiagnostic Systems France SAS			France			Immunodiagnostic Systems Holdings Limited
69.			Revvity SAS			France			Revvity Nederland B.V.
70.			Advanced Chemistry Development Germany GmbH			Germany			Advanced Chemistry Development Inc.
71.			BioLegend GmbH			Germany			BioLegend, Inc.
72.			Boulder Diagnostics Europe GmbH			Germany			Oxford Immunotec Limited
73.			EUROIMMUN Medizinische Labordiagnostika AG			Germany			Revvity Germany Diagnostics GmbH
74.			IDS Immunodiagnostic Systems Deutschland GmbH			Germany			Immunodiagnostic Systems Limited
75.			Revvity Cellular Technologies GmbH			Germany			Revvity (Germany) GmbH
76.			Revvity chemagen Technologie GmbH			Germany			Revvity Cellular Technologies GmbH
77.			Revvity Gene Delivery GmbH			Germany			Revvity Germany Diagnostics GmbH
78.			Revvity Germany Diagnostics GmbH			Germany			Revvity Global Diagnostics, Inc.
79.			Revvity (Germany) GmbH			Germany			Revvity Germany Diagnostics GmbH
80.			Oxford Immunotec Asia Ltd.			Hong Kong			Oxford Immunotec Limited
81.			Revvity (Hong Kong) Ltd.			Hong Kong			Revvity Holdings, Inc.
82.			Biosense Technologies Pvt Ltd.			India			Tulip Diagnostics Pvt Ltd. [6]
83.			Orchid Biomedical Systems Pvt Ltd.			India			Tulip Diagnostics Pvt Ltd. [7]
84.			Prisms India Private Ltd.			India			Revvity Healthcare (India) Pvt Ltd. [8]
85.			Revvity Healthcare (India) Pvt Ltd.			India			Revvity Singapore Pte Ltd. [9]
86.			Revvity Health Sciences Pvt Ltd.			India			Revvity IVD Pte Ltd. (91%) [10]
87.			Tulip Diagnostics Pvt Ltd.			India			Revvity Holding Luxembourg S.à r.l. [11]
88.			PT Tulip Diagnostics Indonesia			Indonesia			Tulip Diagnostics Pvt Ltd. [12]
89.			Revvity (Ireland) Ltd.			Ireland			Wellesley B.V.
90.			DIA.Metra S.R.L.			Italy			Immunodiagnostic Systems Limited
91.			EUROIMMUN Italia Diagnostica Medica S.r.l.			Italy			EUROIMMUN Medizinische Labordiagnostika AG
92.			Revvity Italia SpA			Italy			Wellesley B.V.
93.			BioLegend Japan, KK			Japan			BioLegend, Inc.
94.			EUROIMMUN Japan Co. Ltd.			Japan			EUROIMMUN Medizinische Labordiagnostika AG
95.			Horizon Discovery KK			Japan			Horizon Discovery Group Ltd.
96.			Oxford Immunotec KK			Japan			Oxford Immunotec Limited
97.			Revvity Japan Co. Ltd.			Japan			Revvity International Holdings (97%) [13]
98.			Revvity Korea, Ltd.			Korea			Revvity Holdings, Inc.
99.			ACD Labs Vilnius UAB			Lithuania			Advanced Chemistry Development Inc.

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			Name of Company			State or Country of Incorporation or Organization			Name of Parent
100.			Revvity Global Holdings S.à r.l.			Luxembourg			Revvity Holdings, Inc.
101.			Revvity Holding Luxembourg S.à r.l.			Luxembourg			Revvity Global Holdings S.à r.l.
102.			Inochem S.A. de C. V.			Mexico			Revvity de Mexico, S.A. [14]
103.			Revvity de Mexico, S.A.			Mexico			Revvity Holdings, Inc. [15]
104.			BioLegend Europe B.V.			Netherlands			BioLegend, Inc.
105.			Revvity Health Sciences B.V.			Netherlands			Revvity International Holdings
106.			Revvity Nederland B.V.			Netherlands			Wellesley B.V.
107.			Wellesley B.V.			Netherlands			Revvity Holdings, Inc.
108.			Revvity Norge AS			Norway			Wallac Oy
109.			Revvity Philippines, Inc.			Philippines			Revvity Holdings, Inc.
110.			EUROIMMUN Polska Sp. z o.o.			Poland			EUROIMMUN Medizinische Labordiagnostika AG
111.			Revvity Polska Sp. z o.o.			Poland			Wellesley B.V.
112.			ACD Development Unipessoal Lda Portugal			Portugal			Advanced Chemistry Development Inc.
113.			EUROIMMUN Portugal, Unipessoal Lda.			Portugal			EUROIMMUN Medizinische Labordiagnostika AG
114.			EUROIMMUN (South East Asia) Pte Ltd.			Singapore			EUROIMMUN Medizinische Labordiagnostika AG
115.			Revvity IVD Pte Ltd.			Singapore			Wallac Oy
116.			Revvity Singapore Pte Ltd.			Singapore			Revvity Holdings, Inc.
117.			Singapore Biosciences Pte Ltd.			Singapore			Tulip Diagnostics Pvt Ltd.
118.			EUROIMMUN Medical Laboratory Diagnostics South Africa (Pty) Ltd.			South Africa			EUROIMMUN Medizinische Labordiagnostika AG
119.			EUROIMMUN Diagnostics España, S.L.			Spain			EUROIMMUN Medizinische Labordiagnostika AG
120.			Integromics, S.L.			Spain			Revvity España, S.L.
121.			Revvity España, S.L.			Spain			Wellesley B.V.
122.			Revvity Omics Sweden AB			Sweden			Revvity Holding Luxembourg S.à r.l.
123.			Revvity Sverige AB			Sweden			Wallac Oy
124.			Vanadis Diagnostics AB			Sweden			Revvity Omics Sweden AB
125.			EUROIMMUN Schweiz AG			Switzerland			EUROIMMUN Medizinische Labordiagnostika AG
126.			Revvity (Schweiz) AG			Switzerland			Wellesley B.V.
127.			BioLegend Taiwan, Ltd.			Taiwan			BioLegend, Inc.
128.			Revvity Ltd.			Thailand			Revvity, Inc. [16]
129.			EUROIMMUN Turkey Tibbi Laboratuar Teşhisleri A.Ş.			Turkey			EUROIMMUN Medizinische Labordiagnostika AG [17]
130.			Revvity Health Sciences FZ-LLC			United Arab Emirates			Revvity Holdings, Inc.
131.			Advanced Chemistry Development UK Ltd.			United Kingdom			Advanced Chemistry Development Inc.
132.			BioLegend UK, Ltd.			United Kingdom			BioLegend, Inc.
133.			EUROIMMUN UK Ltd.			United Kingdom			EUROIMMUN Medizinische Labordiagnostika AG
134.			Horizon Discovery Biosciences Limited			United Kingdom			Revvity Discovery Limited
135.			Horizon Discovery Group Ltd.			United Kingdom			Revvity (UK) Holdings Ltd.
136.			Immunodiagnostic Systems Holdings Limited			United Kingdom			Revvity (UK) Holdings Ltd.
137.			Immunodiagnostic Systems Limited			United Kingdom			Immunodiagnostic Systems Holdings Limited
138.			Oxford Immunotec Global Limited			United Kingdom			Revvity (UK) Holdings Ltd.
139.			Oxford Immunotec Limited			United Kingdom			Oxford Immunotec Global Limited
140.			Revvity Discovery Limited			United Kingdom			Horizon Discovery Group Ltd.
141.			Revvity International Holdings			United Kingdom			Revvity Health Sciences, Inc.
142.			Revvity Ltd.			United Kingdom			Revvity (UK) Holdings Ltd.
143.			Revvity (UK) Holdings Ltd.			United Kingdom			Wellesley B.V.
144.			Revvity (UK) Ltd.			United Kingdom			Revvity (UK) Holdings Ltd.

_______________________________

[1] Revvity, Inc. owns a de minimus share.

[2 ] Revvity Holdings, Inc. owns a de minimus share.

[3] Revvity Health Sciences, Inc. owns a de minimus share.

[4] Shanghai Sai Ke Si Medical Technology L.P. owns 30%.

[5] Wallac Oy owns 25%.

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[6] Individual shareholder owns a de minimus share.

[7] Individual shareholder owns 1%.

[8] Individual shareholder owns a de minimus share.

[9] Wellesley B.V. owns a de minimus share.

[10] Surendra Genetic Laboratory & Research Centre Pvt Ltd. owns 9%.

[11] Individual shareholder owns a de minimus share.

[12] Individual shareholder owns a de minimus share.

[13] Wallac Oy owns 3%.

[14] EUROIMMUN Medizinische Labordiagnostika AG owns 1%.

[15] Revvity, Inc. owns a de minimus share.

[16] Revvity Holdings, Inc. and Revvity Health Sciences, Inc. each own a de minimus share.

[17] Individual shareholders own de minimus shares.

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