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                             EXHIBIT 21

Subsidiaries of the Registrant

As of February 27, 2024, 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.			Caliper Life Sciences, Inc.			Delaware			Revvity Holdings, Inc.
7.			Cambridge Research & Instrumentation, Inc.			Delaware			Caliper Life Sciences, Inc.
8.			Dharmacon, Inc.			Delaware			Revvity Holdings, Inc.
9.			Horizon Discovery, Inc.			Delaware			Horizon Discovery Limited
10.			Oxford Immunotec USA, Inc.			Delaware			Oxford Immunotec Limited
11.			Qognit, Inc.			Delaware			BioLegend, Inc.
12.			Revvity Argentina Holdings, LLC			Delaware			Revvity Holdings, Inc.
13.			Revvity CV Holdings, LLC			Delaware			Revvity Global Holdings S.à r.l.
14.			Revvity Diagnostics Holdings, Inc.			Delaware			Revvity Holdings, Inc.
15.			Revvity Global Diagnostics, Inc.			Delaware			Revvity Holdings, Inc.
16.			Revvity Health Sciences, Inc.			Delaware			Revvity Holdings, Inc.
17.			Revvity Signals Software, Inc.			Delaware			Revvity Holdings, Inc.
18.			Sage Labs, LLC			Delaware			Dharmacon, Inc.
19.			SonoVol, Inc.			Delaware			Revvity Holdings, Inc.
20.			ViaCord, LLC			Delaware			Revvity Diagnostics Holdings, Inc.
21.			VisEn Medical Inc.			Delaware			Revvity Health Sciences, Inc.
22.			Xenogen Corporation			Delaware			Caliper Life Sciences, Inc.
23.			Omni International, Inc.			Georgia			Revvity Holdings, Inc.
24.			NovaScreen Biosciences Corporation			Maryland			Caliper Life Sciences, Inc.
25.			Immunetics, Inc.			Massachusetts			Oxford Immunotec USA, Inc.
26.			Revvity Holdings, Inc.			Massachusetts			Revvity, Inc.
27.			SIRION Biotech International, Inc.			Massachusetts			Revvity Holdings, Inc.
28.			OZ Systems USA, LLC			Nevada			Optimization Zorn Corporation
29.			EUROIMMUN US, Inc.			New Jersey			Revvity Diagnostics Holdings, Inc.
30.			EUROIMMUN US Real Estate LLC			New Jersey			EUROIMMUN US, Inc.
31.			Revvity Omics, Inc.			Pennsylvania			Revvity Diagnostics Holdings, Inc.
32.			Bioo Scientific Corporation			Texas			Revvity Holdings, Inc.
33.			Optimization Zorn Corporation			Texas			Revvity Diagnostics Holdings, Inc.
34.			Revvity Automotive Research, Inc.			Texas			Revvity Holdings, Inc.
35.			Revvity Pty. Ltd.			Australia			Revvity Holdings, Inc.
36.			Horizon Genomics GmbH			Austria			Horizon Discovery Group Ltd.
37.			Revvity VertriebsgmbH			Austria			Wellesley B.V.
38.			Immunodiagnostic Systems SA			Belgium			Immunodiagnostic Systems Holdings Limited
39.			Revvity BV			Belgium			Revvity International Holdings [1]
40.			EUROIMMUN Brasil Medicina Diagnostica Ltda.			Brazil			EUROIMMUN Medizinische Labordiagnostika AG [2]
41.			IDS Brasil Diagnósticos Ltda.			Brazil			Immunodiagnostic Systems Limited (99%) [3]
42.			Revvity do Brasil Ltda.			Brazil			Revvity Diagnostics Global Holdings S.à r.l. (99%) [4]
43.			EUROIMMUN Medical Diagnostics Canada Inc.			Canada			EUROIMMUN Medizinische Labordiagnostika AG
44.			Revvity Health Sciences Canada, Inc.			Canada			Revvity International Holdings
45.			Beijing OUMENG Biotechnology Co., Ltd.			China			EUROIMMUN Medizinische Labordiagnostika AG
46.			BioLegend (Shenzhen) Ltd.			China			BioLegend China (Beijing) Ltd.

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

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			Name of Company			State or Country of Incorporation or Organization			Name of Parent
100.			EUROIMMUN Japan Co. Ltd.			Japan			EUROIMMUN Medizinische Labordiagnostika AG
101.			Horizon Discovery KK			Japan			Horizon Discovery Group Ltd.
102.			Oxford Immunotec KK			Japan			Oxford Immunotec Limited
103.			Revvity Japan Co. Ltd.			Japan			Revvity International Holdings (97%) [14]
104.			Revvity Korea, Ltd.			Korea			Revvity Diagnostics Global Holdings S.à r.l.
105.			Revvity Diagnostics Global Holdings S.à r.l.			Luxembourg			Revvity Global Holdings S.à r.l.
106.			Revvity Global Holdings S.à r.l.			Luxembourg			Revvity Holdings, Inc.
107.			Revvity Holding Luxembourg S.à r.l.			Luxembourg			Revvity Diagnostics Global Holdings S.à r.l.
108.			Inochem S.A. de C. V.			Mexico			Perkin-Elmer de Mexico, S.A.[15]
109.			Perkin-Elmer de Mexico, S.A.			Mexico			Revvity Holdings, Inc.[16]
110.			BioLegend Europe B.V.			Netherlands			BioLegend, Inc.
111.			Revvity Health Sciences B.V.			Netherlands			Revvity International Holdings
112.			Revvity Nederland B.V.			Netherlands			Wellesley B.V.
113.			Wellesley B.V.			Netherlands			Revvity Holding Luxembourg S.à r.l.
114.			Revvity Norge AS			Norway			Wallac Oy
115.			Revvity Philippines, Inc.			Philippines			Revvity Holdings, Inc.
116.			EUROIMMUN Polska Sp. z o.o.			Poland			EUROIMMUN Medizinische Labordiagnostika AG
117.			Revvity Polska Sp. z o.o.			Poland			Wellesley B.V.
118.			EUROIMMUN Portugal, Unipessoal Lda.			Portugal			EUROIMMUN Medizinische Labordiagnostika AG
119.			EUROIMMUN (South East Asia) Pte Ltd.			Singapore			EUROIMMUN Medizinische Labordiagnostika AG
120.			Revvity Holdings Singapore Pte Ltd.			Singapore			Revvity Holdings, Inc.
121.			Revvity IVD Pte Ltd.			Singapore			Wallac Oy
122.			Revvity Life Sciences Singapore Pte. Ltd			Singapore			Revvity Holdings Singapore Pte Ltd.
123.			Revvity Singapore Pte Ltd.			Singapore			Revvity Holdings, Inc.
124.			Singapore Biosciences Pte Ltd.			Singapore			Tulip Diagnostics Pvt Ltd.
125.			EUROIMMUN Medical Laboratory Diagnostics South Africa (Pty) Ltd.			South Africa			EUROIMMUN Medizinische Labordiagnostika AG
126.			EUROIMMUN Diagnostics España, S.L.			Spain			EUROIMMUN Medizinische Labordiagnostika AG
127.			Integromics, S.L.			Spain			Revvity España, S.L.
128.			Revvity España, S.L.			Spain			Wellesley B.V.
129.			Revvity Omics Sweden AB			Sweden			Revvity Holding Luxembourg S.à r.l.
130.			Revvity Sverige AB			Sweden			Wallac Oy
131.			Vanadis Diagnostics AB			Sweden			Revvity Omics Sweden AB
132.			EUROIMMUN Schweiz AG			Switzerland			EUROIMMUN Medizinische Labordiagnostika AG
133.			OZ Systems International SARL			Switzerland			OZ Systems USA, LLC
134.			Revvity (Schweiz) AG			Switzerland			Wellesley B.V.
135.			BioLegend Taiwan, Ltd.			Taiwan			BioLegend, Inc.
136.			Revvity Ltd.			Thailand			Revvity, Inc. [17]
137.			EUROIMMUN Turkey Tibbi Laboratuar Teşhisleri A.Ş.			Turkey			EUROIMMUN Medizinische Labordiagnostika AG [18]
138.			Revvity Health Sciences FZ-LLC			United Arab Emirates			Revvity Holding Luxembourg S.à r.l.
139.			BioLegend UK, Ltd.			United Kingdom			BioLegend, Inc.
140.			EUROIMMUN UK Ltd.			United Kingdom			EUROIMMUN Medizinische Labordiagnostika AG
141.			Horizon Diagnostics Limited			United Kingdom			Horizon Discovery Limited
142.			Horizon Discovery Biosciences Limited			United Kingdom			Horizon Discovery Limited
143.			Horizon Discovery Group Ltd.			United Kingdom			Revvity (UK) Holdings Ltd.
144.			Horizon Discovery Limited			United Kingdom			Horizon Discovery Group Ltd.
145.			Immunodiagnostic Systems Holdings Limited			United Kingdom			Revvity (UK) Holdings Ltd.
146.			Immunodiagnostic Systems Limited			United Kingdom			Immunodiagnostic Systems Holdings Limited
147.			Nexcelom Bioscience Ltd.			United Kingdom			Revvity Health Sciences, Inc.
148.			Oxford Diagnostic Laboratories (UK) Limited			United Kingdom			Oxford Immunotec Limited
149.			Oxford Immunotec Global Limited			United Kingdom			Revvity (UK) Holdings Ltd.
150.			Oxford Immunotec Limited			United Kingdom			Oxford Immunotec Global Limited
151.			Revvity (UK) Holdings Ltd.			United Kingdom			Wellesley B.V.
152.			Revvity (UK) Ltd.			United Kingdom			Revvity (UK) Holdings Ltd.

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			Name of Company			State or Country of Incorporation or Organization			Name of Parent
153.			Revvity International Holdings			United Kingdom			Revvity Health Sciences, Inc.
154.			Revvity Ltd.			United Kingdom			Revvity (UK) Holdings Ltd.
155.			Synthetx Limited			United Kingdom			Horizon Discovery Limited

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

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

[3] Immunodiagnostic Systems Holdings Limited owns a de minimus share.

[4] Revvity Holdings, Inc. owns 1%; Revvity Health Sciences, Inc. owns a de minimus share.

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

[6] Wallac Oy owns 25%.

[7] Revvity (Shanghai) Private Equity Fund Management Co., Ltd. owns 2%.

[8] Revvity Holding Luxembourg S.à r.l. owns a de minimus share.

[9] Individual shareholder owns 1%.

[10] Individual shareholders own 3%.

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

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

[13] Individual shareholders own 1%.

[14] Wallac Oy owns 3%.

[15] EUROIMMUN Medizinische Labordiagnostika AG owns 1%.

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

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

[18] Individual shareholders own de minimus shares.

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