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Post-Reform Act Class Action Filings of Securities Lawsuits By Industry, 1997-2023 (1)
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Industry Average
1997-2022		 2022 2023
Core filings (2) 192 201 209
Consumer 75 97 85
Technology 27 21 20
Financial 24 25 27
Other (3) 30 11 26
Communications 17 9 21
Industrial 7 7 7
Basic materials 5 5 4
Energy 3 2 2
Utilities 4 24 17
Merger and acquisition filings 35 7 6
Total 227 208 215

(1) Private Securities Litigation Reform Act of 1995. Includes federal and state filings
(2) Core filings exclude merger and acquistion filings. Core filings by category do not include state filings.
(3) Includes state filings and miscellaneous filings.

Source: Cornerstone Research, Securities Class Actions Filings-2023 Year in Review. ©2024 by Cornerstone Research, Inc.

 

Archived Tables

Post-Reform Act Class-Action Filings Of Securities Lawsuits By Industry, 1997-2015 (1)
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Industry Average 1997-2014 2014 2015
Consumer 67 81 77
Communications 29 17 26
Technology 24 14 24
Industrial 17 10 19
Financial 35 26 17
Energy 8 15 11
Basic materials 4 4 9
Utilities 3 1 4
Other 1 2 2
Total 188 170 189

(1) Private Securities Litigation Reform Act of 1995.

Source: Cornerstone Research.

 
Post-Reform Act Class-Action Filings Of Securities Lawsuits By Industry, 1997-2016 (1)
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Industry Average 1997-2015 2015 2016
Consumer 68 77 133
Financial 34 17 34
Technology 24 23 26
Industrial 17 19 24
Communications 29 26 16
Energy 8 11 16
Basic materials 4 9 11
Utilities 3 4 3
Other 1 2 7
Total 188 188 270

(1) Private Securities Litigation Reform Act of 1995.

Source: Cornerstone Research.

 
Post-Reform Act Class Action Filings Of Securities Lawsuits By Industry, 1997-2017 (1)
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Industry Average 1997-2016 2016 2017
Consumer 66 101 107
Industrial 16 16 26
Financial 33 22 20
Communications 27 9 18
Technology 23 15 14
Basic materials 4 8 11
Energy 7 8 9
Other 1 6 7
Utilities 3 1 2
Total 180 186 214

(1) Private Securities Litigation Reform Act of 1995. Data represent federal "core filings" and exclude mergers and acquisition (M&A) filings.
Data represent federal "core filings" and exclude mergers and acquisition (M&A) filings.

Source: Cornerstone Research.

 
Post-Reform Act Class-Action Filings Of Securities Lawsuits By Industry, 1997-2018 (1)
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Industry Average 1997-2017 2017 2018
Consumer 69 107 97
Industrial 17 26 20
Financial 32 20 19
Communications 27 18 28
Technology 23 14 22
Basic materials 5 11 8
Energy 7 9 7
Other 1 7 17
Utilities 3 2 3
Total 182 214 221

(1) Private Securities Litigation Reform Act of 1995. Data represent federal "core filings" and exclude mergers and acquisition (M&A) filings.

Source: Cornerstone Research and the Stanford Law School Securities Class Action Clearinghouse, Securities Class Actions Filings-2018 Year in Review. © 2019 by Cornerstone Research, Inc.

 
Post-Reform Act Class Action Filings Of Securities Lawsuits By Industry, 1997-2019 (1)
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Industry Average
1997-2018		 2018 2019
Core filings (2) 186 238 268
Consumer 70 96 108
Industrial 17 20 20
Financial 30 19 22
Communications 27 28 37
Technology 23 22 29
Basic materials 5 8 8
Energy 9 7 10
Utilities 3 3 5
Other (3) 2 35 29
Merger and acquisition filings 29 182 160
Total 215 420 428

(1) Private Securities Litigation Reform Act of 1995. Includes federal and state filings
(2) Core filings exclude merger and acquistion filings. Core filings by category do not include state filings.
(3) Includes state filings.

Source: Cornerstone Research and the Stanford Law School Securities Class Action Clearinghouse, Securities Class Actions Filings-2019 Year in Review. © 2020 by Cornerstone Research, Inc.

 
Post-Reform Act Class Action Filings Of Securities Lawsuits By Industry, 1998-2020 (1)
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Industry Average
1997-2019		 2019 2020
Core filings (2) 190 267 234
     Consumer 71 106 93
     Technology 23 29 29
     Financial 30 22 29
     Other (3) 7 30 29
     Communications 27 37 19
     Industrial 17 20 13
     Basic materials 5 8 10
     Energy 7 10 9
     Utilities 3 5 3
     Merger and acquisition filings 34 160 100
Total 224 427 334

(1) Private Securities Litigation Reform Act of 1995. Includes federal and state filings
(2) Core filings exclude merger and acquistion filings. Core filings by category do not include state filings.
(3) Includes state filings and miscellaneous filings.

Source: Cornerstone Research and the Stanford Law School Securities Class Action Clearinghouse, Securities Class Actions Filings-2020 Year in Review. ©2021 by Cornerstone Research, Inc.

 
Post-Reform Act Class Action Filings Of Securities Lawsuits By Industry, 1997-2021 (1)
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Industry Average
1997-2021		 2020 2021
Core filings (2) 194 234 200
     Consumer 72 92 92
     Technology 23 28 29
     Financial 30 29 18
     Other (3) 10 32 16
     Communications 27 18 21
     Industrial 17 13 10
     Basic materials 5 10 4
     Energy 7 9 10
     Utilities 3 3 0
     Merger and acquisition filings 34 99 18
Total 228 333 218

(1) Private Securities Litigation Reform Act of 1995. Includes federal and state filings
(2) Core filings exclude merger and acquistion filings. Core filings by category do not include state filings.
(3) Includes state filings and miscellaneous filings.

Source: Cornerstone Research, Securities Class Actions Filings-2021 Year in Review. ©2022 by Cornerstone Research, Inc.

 
Post-Reform Act Class Action Filings Of Securities Lawsuits By Industry, 1997-2022 (1)
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Industry Average
1997-2022		 2021 2022
     Core filings (2) 194 200 201
     Consumer 73 93 93
     Technology 23 29 24
     Financial 30 18 11
     Other (3) 9 15 30
     Communications 27 21 19
     Industrial 17 10 9
     Basic materials 5 4 5
     Energy 7 10 7
    Utilities 3 0 3
     Merger and acquisition filings 34 18 7
Total 228 218 208

(1) Private Securities Litigation Reform Act of 1995. Includes federal and state filings
(2) Core filings exclude merger and acquistion filings. Core filings by category do not include state filings.
(3) Includes state filings and miscellaneous filings.

Source: Cornerstone Research, Securities Class Actions Filings-2022 Year in Review. ©2023 by Cornerstone Research, Inc.