Advertising Agencies - Latest Activist Disclosures

This table shows recent activist investor (Schedule 13D) filings made in this industry. Any investor or hedge fund that makes an investment with the intention of influencing management is considered an activist investor and must file a 13D.

Date Form Target Company Investor Shares Ownership
(Percent)
Ownership Change
(Percent)
2025-07-21 13D/A STGW / Stagwell Inc. Penn Mark Jeffery 31,118,697 11.60 0.06
2025-04-25 13D STGW / Stagwell Inc. Ballmer Steven A 116,044,633 43.50
2025-04-18 13D/A STGW / Stagwell Inc. Penn Mark Jeffery 31,098,697 11.70 -17.97
2025-04-08 13D/A STGW / Stagwell Inc. Penn Mark Jeffery 37,910,029 14.30 -75.38
2025-04-08 13D/A STGW / Stagwell Inc. Goldman Sachs Group Inc 13,279,932 4.90 2.30
2025-04-02 13D/A STGW / Stagwell Inc. Penn Mark Jeffery 153,954,662 57.90
2025-02-06 13D/A GRPN / Groupon, Inc. Pale Fire Capital SICAV a.s. 13,688,831 32.00
2024-11-01 13D/A GRPN / Groupon, Inc. Barta Jan 13,251,331 31.30 7.07
2024-09-24 13D/A CRTO / Criteo S.A. - Depositary Receipt (Common Stock) Petrus Advisers Ltd. 2,113,117 3.77 -60.32
2024-09-19 13D/A CRTO / Criteo S.A. - Depositary Receipt (Common Stock) Petrus Advisers Ltd. 5,325,512 9.51 24.53
2024-09-10 13D/A CRTO / Criteo S.A. - Depositary Receipt (Common Stock) Petrus Advisers Ltd. 4,276,361 7.64 15.95
2024-08-20 13D/A CRTO / Criteo S.A. - Depositary Receipt (Common Stock) Petrus Advisers Ltd. 3,688,158 6.59 -17.00
2024-07-11 13D/A CRTO / Criteo S.A. - Depositary Receipt (Common Stock) Petrus Advisers Ltd. 4,443,818 7.84 -14.44
2024-06-17 13D/A STGW / Stagwell Inc. Goldman Sachs Group Inc 12,981,022 11.40 -22.99
2024-05-29 13D/A CRTO / Criteo S.A. - Depositary Receipt (Common Stock) Petrus Advisers Ltd. 5,193,979 9.16 -10.56
2024-05-15 13D/A CRTO / Criteo S.A. - Depositary Receipt (Common Stock) Petrus Advisers Ltd. 5,806,986 10.24 33.37
2024-05-10 13D/A GRPN / Groupon, Inc. Barta Jan 12,376,331 30.00 7.61
2024-04-24 13D/A CRTO / Criteo S.A. - Depositary Receipt (Common Stock) Petrus Advisers Ltd. 4,354,004 7.76 21.06
2024-04-18 13D/A CRTO / Criteo S.A. - Depositary Receipt (Common Stock) Petrus Advisers Ltd. 3,596,711 6.41 16.39
2024-02-27 13D CRTO / Criteo S.A. - Depositary Receipt (Common Stock) Petrus Advisers Ltd. 3,090,309 5.60 4.27
2024-01-23 13D/A GRPN / Groupon, Inc. Barta Jan 11,501,331 28.90 43.10
2023-11-13 13D/A GRPN / Groupon, Inc. Barta Jan 8,037,327 24.60 5.70
2023-09-07 13D GRPN / Groupon, Inc. Windward Management LP 2,777,400 8.90 52.54
2023-08-23 13D/A GRPN / Groupon, Inc. Barta Jan 7,603,678 23.70 13.20
2023-06-13 13D/A STGW / Stagwell Inc. AlpInvest Partners B.V. 0 0.00 -100.00
2023-06-08 13D/A STGW / Stagwell Inc. Goldman Sachs Group Inc 16,856,440 14.70 -1.42
2023-05-19 13D/A STGW / Stagwell Inc. Stagwell Agency Holdings LLC 154,096,665 54.40 -13.30
2023-05-10 13D STGW / Stagwell Inc. AlpInvest Partners B.V. 12,689,995 9.90
2023-03-31 13D/A GRPN / Groupon, Inc. Barta Jan 6,717,066 21.90 0.00
2023-03-16 13D/A STGW / Stagwell Inc. Goldman Sachs Group Inc 17,099,784 13.00 -18.42
2023-03-14 13D/A STGW / Stagwell Inc. Stagwell Agency Holdings LLC 177,729,396 60.80
2022-12-20 13D/A GRPN / Groupon, Inc. Barta Jan 6,717,066 22.10
2022-06-13 13D/A GRPN / Groupon, Inc. Barta Jan 4,282,064 14.30 0.00
2022-05-27 13D GRPN / Groupon, Inc. RPD Fund Management LLC 2,995,720 9.90 31.78
2022-05-25 13D/A GRPN / Groupon, Inc. Barta Jan 4,282,064 14.30 11.65
2022-05-11 13D/A GRPN / Groupon, Inc. Barta Jan 3,835,116 12.80 28.12
2022-04-28 13D/A GRPN / Groupon, Inc. Barta Jan 2,993,395 10.00 12.60
2022-04-21 13D/A GRPN / Groupon, Inc. Barta Jan 2,658,550 8.90 14.12
2022-04-07 13D/A GRPN / Groupon, Inc. Barta Jan 2,329,564 7.80 34.84
2022-02-15 13D/A GRPN / Groupon, Inc. Barta Jan 1,727,685 5.80 -38.61
2022-02-07 13D/A STGW / Stagwell Inc. Stagwell Agency Holdings LLC 192,318,375 65.60 -7.12
2022-01-26 13D/A GRPN / Groupon, Inc. Barta Jan 2,814,285 9.51 38.03
2022-01-19 13D/A GRPN / Groupon, Inc. Barta Jan 2,038,836 6.89 38.79
2021-11-10 13D/A STGW / Stagwell Inc. Goldman Sachs Group Inc 20,961,679 18.51 -0.14
2021-11-05 13D GRPN / Groupon, Inc. Barta Jan 1,468,994 5.00
2021-10-07 13D/A STGW / Stagwell Inc. Stagwell Agency Holdings LLC 207,061,516 76.80 983.75
2021-08-06 13D/A STGW / Stagwell Inc. Goldman Sachs Group Inc 20,991,737 21.31 16.22
2021-08-04 13D/A STGW / Stagwell Inc. Stagwell Agency Holdings LLC 19,105,978 19.90 22.54
2021-07-16 13D/A STGW / Stagwell Inc. Stagwell Agency Holdings LLC 15,591,891 19.90 0.00
2021-07-13 13D/A STGW / Stagwell Inc. Goldman Sachs Group Inc 18,061,637 18.97 1.70