Fire, Marine, and Casualty Insurance - 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)
2026-06-04 13D/A WRB / W. R. Berkley Corporation Mitsui Sumitomo Insurance Co Ltd 58,780,450 15.80 0.00
2026-06-01 13D/A GLRE / Greenlight Capital Re, Ltd. Einhorn David 6,254,715 18.90 0.00
2026-05-15 13D JRVR / James River Group Holdings, Inc. Zimmer Partners, LP 4,623,685 10.00 0.70
2026-04-17 13D/A OXBR / Oxbridge Re Holdings Limited Martin Allan S. 760,960 9.30 -21.10
2026-04-15 13D/A AFGD / American Financial Group, Inc. - Corporate Bond/Note Lindner Carl H Iii 5,662,146 6.80
2026-04-15 13D/A AFGD / American Financial Group, Inc. - Corporate Bond/Note Lindner S Craig 5,141,226 6.20
2026-03-12 13D/A TIPT / Tiptree Inc. Barnes Michael Gene 10,439,197 27.31 0.00
2026-03-12 13D KINS / Kingstone Companies, Inc. Fortunoff Gregory 848,650 5.90 2.83
2026-03-05 13D/A WRB / W. R. Berkley Corporation Berkley William R 95,551,144 25.51 0.00
2026-03-05 13D/A WRB / W. R. Berkley Corporation Mitsui Sumitomo Insurance Co Ltd 58,780,450 15.70 4.11
2026-03-03 13D/A PRHI / Presurance Holdings, Inc. Clarkston Ventures, Llc 21,078,584 69.70 172.48
2026-03-03 13D/A ROOT / Root, Inc. Carvana Group, Llc 3,708,454 21.20 -53.37
2026-02-19 13D/A HIPOW / Hippo Holdings Inc. - Equity Warrant Lennar Corp /new/ 16,470 0.10
2026-02-06 13D/A WRB / W. R. Berkley Corporation Mitsui Sumitomo Insurance Co Ltd 56,458,656 14.90 7.08
2026-01-14 13D/A WRB / W. R. Berkley Corporation Mitsui Sumitomo Insurance Co Ltd 52,726,504 13.90 8.49
2025-12-11 13D WRB / W. R. Berkley Corporation Berkley William R 95,551,144 25.14
2025-12-11 13D WRB / W. R. Berkley Corporation Mitsui Sumitomo Insurance Co Ltd 48,601,588 12.80
2025-11-17 13D/A TIPT / Tiptree Inc. Veradace Capital Management LLC 1,910,770 5.10 1.00
2025-11-12 13D/A BRK.A / Berkshire Hathaway Inc. Buffett Warren E 196,317 37.70 -0.91
2025-11-12 13D TIPT / Tiptree Inc. Veradace Capital Management LLC 1,891,780 5.00
2025-09-30 13D TIPT / Tiptree Inc. Inayatullah Arif 3,392,420 8.97
2025-09-30 13D TIPT / Tiptree Inc. Barnes Michael Gene 10,439,197 27.35 11.22
2025-08-27 13D CRE / Cre8 Enterprise Limited Cre8 Investments Ltd 6,435,000 32.72
2025-08-22 13D/A PRHI / Presurance Holdings, Inc. Clarkston Ventures, Llc 7,735,769 47.70 112.77
2025-08-11 13D/A ACIC / American Coastal Insurance Corporation Peed Daniel 16,800,173 34.50 -2.72
2025-07-30 13D/A UVE / Universal Insurance Holdings, Inc. Downes Sean P 1,888,710 6.60 18.88
2025-07-25 13D/A UVE / Universal Insurance Holdings, Inc. Downes Sean P 1,588,710 5.60 -36.75
2025-07-08 13D/A OXBR / Oxbridge Re Holdings Limited Martin Allan S. 964,422 12.10 14.24
2025-06-30 13D/A BRK.A / Berkshire Hathaway Inc. Buffett Warren E 198,117 37.00 -4.00
2025-06-16 13D/A HCI / HCI Group, Inc. Patel Paresh 1,634,000 12.06 0.00
2025-05-09 13D/A ACIC / American Coastal Insurance Corporation Peed Daniel 17,269,723 35.70
2025-04-11 13D PRA / ProAssurance Corporation Magnetar Financial LLC 3,013,195 5.90
2025-04-07 13D UVE / Universal Insurance Holdings, Inc. Stephen J. Donaghy 1,501,022 5.19
2025-03-05 13D/A AXS / AXIS Capital Holdings Limited T-viii Pubopps Lp 2,404,133 3.00 -47.08
2025-03-03 13D/A SPNT / SiriusPoint Ltd. CM BERMUDA Ltd 0 0.00 -100.00
2025-02-28 13D/A SPNT / SiriusPoint Ltd. Loeb Daniel S 11,068,662 9.50 -27.05
2025-02-04 13D/A AXS / AXIS Capital Holdings Limited T-viii Pubopps Lp 4,543,170 5.40 -32.97
2025-01-02 13D/A SPNT / SiriusPoint Ltd. CM BERMUDA Ltd 66,712,069 36.50 0.00
2024-11-26 13D/A SPNT / SiriusPoint Ltd. CM BERMUDA Ltd 66,712,069 36.50 0.00
2024-11-25 13D/A BRK.A / Berkshire Hathaway Inc. Buffett Warren E 206,363 37.50 -0.77
2024-11-22 13D/A SPNT / SiriusPoint Ltd. CM BERMUDA Ltd 66,712,069 41.20 -11.98
2024-11-13 13D/A JRVR / James River Group Holdings, Inc. Gallatin Point Capital LLC 19,381,009 32.80 243.63
2024-10-21 13D/A KINS / Kingstone Companies, Inc. Griffin Highline Capital LLC 470,494 4.25 -20.96
2024-10-18 13D/A NODK / NI Holdings, Inc. Thorp Jeffrey 1,000,000 4.80 -9.93
2024-08-09 13D/A ROOT / Root, Inc. Carvana Group, Llc 7,952,386 42.90 0.00
2024-06-28 13D/A BRK.A / Berkshire Hathaway Inc. Buffett Warren E 207,963 37.00 -4.00
2024-05-07 13D/A ROOT / Root, Inc. Carvana Group, Llc 7,952,386 44.50 25.09
2024-04-25 13D/A HCI / HCI Group, Inc. Patel Paresh 1,634,000 14.77 14.07
2024-03-15 13D/A HCI / HCI Group, Inc. Centerbridge Special Credit Partners III-Flex, L.P. 498,918 4.76 -32.46
2024-03-08 13D/A HIPO / Hippo Holdings Inc. Bond Capital Associates, LLC 1,200,128 4.90 -96.00