PROSPECTOR PARTNERS, LLC

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Type
Submitted
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
05/13/2025
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$34.5 b % Position4.00 % $ Change17.00 % # Shares64,810 # Change0.00 %
Stock Ticker115236101 Stock NameBROWN & BROWN INC $ Position$35.3 b % Position4.00 % $ Change21.00 % # Shares283,640 # Change-1.00 %
Stock TickerG3223R108 Stock NameEVEREST GROUP LTD $ Position$23.3 b % Position3.00 % $ Change13.00 % # Shares64,016 # Change12.00 %
Stock Ticker363576109 Stock NameGALLAGHER ARTHUR J & CO $ Position$27.9 b % Position3.00 % $ Change21.00 % # Shares80,752 # Change0.00 %
Stock Ticker37959E102 Stock NameGLOBE LIFE INC $ Position$28.0 b % Position3.00 % $ Change18.00 % # Shares212,375 # Change0.00 %
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
02/13/2025
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker002824100 Stock NameABBOTT LABS $ Position$24.5 b % Position3.00 % $ ChangeN / A # Shares216,759 # ChangeN / A
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$29.4 b % Position3.00 % $ ChangeN / A # Shares64,810 # ChangeN / A
Stock Ticker115236101 Stock NameBROWN & BROWN INC $ Position$29.1 b % Position3.00 % $ ChangeN / A # Shares285,170 # ChangeN / A
Stock TickerG29183103 Stock NameEATON CORP PLC $ Position$23.8 b % Position3.00 % $ ChangeN / A # Shares71,609 # ChangeN / A
Stock Ticker37959E102 Stock NameGLOBE LIFE INC $ Position$23.8 b % Position3.00 % $ ChangeN / A # Shares213,438 # ChangeN / A
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
11/13/2024
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$36.0 b % Position4.00 % $ Change13.00 % # Shares78,310 # Change0.00 %
Stock Ticker115236101 Stock NameBROWN & BROWN INC $ Position$29.5 b % Position3.00 % $ ChangeN / A # Shares284,474 # ChangeN / A
Stock TickerG29183103 Stock NameEATON CORP PLC $ Position$24.6 b % Position3.00 % $ ChangeN / A # Shares74,260 # ChangeN / A
Stock Ticker231561101 Stock NameCURTISS WRIGHT CORP $ Position$28.6 b % Position3.00 % $ ChangeN / A # Shares87,146 # ChangeN / A
Stock Ticker525327102 Stock NameLEIDOS HOLDINGS INC $ Position$25.5 b % Position3.00 % $ ChangeN / A # Shares156,552 # ChangeN / A
Adviser PROSPECTOR PARTNERS LLC Type N-PX Submitted
08/23/2024
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
08/13/2024
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$31.9 b % Position4.00 % $ Change-3.00 % # Shares78,310 # Change0.00 %
Stock Ticker525327102 Stock NameLEIDOS HOLDINGS INC $ Position$31.9 b % Position4.00 % $ Change12.00 % # Shares218,595 # Change1.00 %
Stock Ticker743315103 Stock NamePROGRESSIVE CORP $ Position$23.9 b % Position3.00 % $ Change1.00 % # Shares114,895 # Change1.00 %
Stock Ticker115236101 Stock NameBROWN & BROWN INC $ Position$25.4 b % Position3.00 % $ Change3.00 % # Shares283,557 # Change1.00 %
Stock Ticker231561101 Stock NameCURTISS WRIGHT CORP $ Position$23.7 b % Position3.00 % $ Change-2.00 % # Shares87,449 # Change-8.00 %
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
05/09/2024
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$32.9 b % Position4.00 % $ ChangeN / A # Shares78,310 # ChangeN / A
Stock Ticker115236101 Stock NameBROWN & BROWN INC $ Position$24.7 b % Position3.00 % $ Change19.00 % # Shares281,752 # Change-3.00 %
Stock Ticker231561101 Stock NameCURTISS WRIGHT CORP $ Position$24.2 b % Position3.00 % $ Change16.00 % # Shares94,604 # Change1.00 %
Stock Ticker37959E102 Stock NameGLOBE LIFE INC $ Position$24.5 b % Position3.00 % $ Change-3.00 % # Shares210,390 # Change2.00 %
Stock Ticker525327102 Stock NameLEIDOS HOLDINGS INC $ Position$28.5 b % Position3.00 % $ Change23.00 % # Shares217,303 # Change2.00 %
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
02/09/2024
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$34.4 b % Position4.00 % $ Change2.00 % # Shares96,398 # Change0.00 %
Stock Ticker115236101 Stock NameBROWN & BROWN INC $ Position$20.7 b % Position3.00 % $ Change2.00 % # Shares290,777 # Change0.00 %
Stock Ticker231561101 Stock NameCURTISS WRIGHT CORP $ Position$20.8 b % Position3.00 % $ Change14.00 % # Shares93,580 # Change0.00 %
Stock Ticker363576109 Stock NameGALLAGHER ARTHUR J & CO $ Position$22.6 b % Position3.00 % $ Change-1.00 % # Shares100,554 # Change0.00 %
Stock Ticker37959E102 Stock NameGLOBE LIFE INC $ Position$25.2 b % Position3.00 % $ Change12.00 % # Shares206,860 # Change0.00 %
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
11/13/2023
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$33.7 b % Position5.00 % $ Change3.00 % # Shares96,308 # Change0.00 %
Stock Ticker115236101 Stock NameBROWN & BROWN INC $ Position$20.2 b % Position3.00 % $ Change2.00 % # Shares289,837 # Change0.00 %
Stock Ticker363576109 Stock NameGALLAGHER ARTHUR J & CO $ Position$22.9 b % Position3.00 % $ Change4.00 % # Shares100,274 # Change0.00 %
Stock Ticker37959E102 Stock NameGLOBE LIFE INC $ Position$22.4 b % Position3.00 % $ Change0.00 % # Shares206,285 # Change0.00 %
Stock Ticker525327102 Stock NameLEIDOS HOLDINGS INC $ Position$19.6 b % Position3.00 % $ Change11.00 % # Shares212,773 # Change7.00 %
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
08/10/2023
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$32.8 b % Position5.00 % $ Change-7.00 % # Shares96,178 # Change-16.00 %
Stock Ticker115236101 Stock NameBROWN & BROWN INC $ Position$19.9 b % Position3.00 % $ Change21.00 % # Shares288,887 # Change1.00 %
Stock Ticker37959E102 Stock NameGLOBE LIFE INC $ Position$22.5 b % Position3.00 % $ Change0.00 % # Shares205,555 # Change1.00 %
Stock Ticker363576109 Stock NameGALLAGHER ARTHUR J & CO $ Position$21.9 b % Position3.00 % $ Change15.00 % # Shares99,899 # Change1.00 %
Stock Ticker58933Y105 Stock NameMERCK & CO INC $ Position$18.1 b % Position3.00 % $ Change7.00 % # Shares157,062 # Change-2.00 %
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
05/08/2023
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$35.2 b % Position5.00 % $ Change-21.00 % # Shares114,108 # Change-21.00 %
Stock Ticker363576109 Stock NameGALLAGHER ARTHUR J & CO $ Position$19.0 b % Position3.00 % $ Change-9.00 % # Shares99,349 # Change-11.00 %
Stock Ticker37959E102 Stock NameGLOBE LIFE INC $ Position$22.5 b % Position3.00 % $ Change-10.00 % # Shares204,405 # Change-1.00 %
Stock Ticker44267D107 Stock NameHOWARD HUGHES CORP $ Position$11.4 b % Position2.00 % $ ChangeN / A # Shares142,851 # ChangeN / A
Stock Ticker537008104 Stock NameLITTELFUSE INC $ Position$14.6 b % Position2.00 % $ Change23.00 % # Shares54,515 # Change1.00 %
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
02/15/2023
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$44.8 b % Position6.00 % $ Change115583.00 % # Shares145,130 # Change0.00 %
Stock Ticker115236101 Stock NameBROWN & BROWN INC $ Position$19.1 b % Position3.00 % $ Change99616.00 % # Shares334,662 # Change6.00 %
Stock Ticker314211103 Stock NameFEDERATED HERMES INC $ Position$18.8 b % Position3.00 % $ Change109383.00 % # Shares516,541 # Change0.00 %
Stock Ticker37959E102 Stock NameGLOBE LIFE INC $ Position$24.9 b % Position3.00 % $ Change120684.00 % # Shares206,830 # Change0.00 %
Stock Ticker363576109 Stock NameGALLAGHER ARTHUR J & CO $ Position$21.0 b % Position3.00 % $ Change110359.00 % # Shares111,373 # Change0.00 %
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
11/10/2022
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$38.8 m % Position5.77 % $ Change-1.48 % # Shares145,130 # Change0.74 %
Stock Ticker37959E102 Stock NameGLOBE LIFE INC $ Position$20.6 m % Position3.07 % $ Change2.30 % # Shares207,050 # Change0.01 %
Stock Ticker115236101 Stock NameBROWN & BROWN INC $ Position$19.1 m % Position2.85 % $ Change12.82 % # Shares316,130 # Change8.82 %
Stock Ticker363576109 Stock NameGALLAGHER ARTHUR J & CO $ Position$19.0 m % Position2.83 % $ Change14.48 % # Shares111,025 # Change9.01 %
Stock Ticker314211103 Stock NameFEDERATED HERMES INC $ Position$17.1 m % Position2.55 % $ Change4.22 % # Shares517,250 # Change0.03 %
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
08/11/2022
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$39.3 m % Position5.73 % $ Change-31.20 % # Shares144,070 # Change-11.07 %
Stock Ticker37959E102 Stock NameGLOBE LIFE INC $ Position$20.2 m % Position2.94 % $ Change-7.69 % # Shares207,025 # Change-4.73 %
Stock Ticker58933Y105 Stock NameMERCK & CO INC $ Position$18.3 m % Position2.66 % $ Change5.83 % # Shares200,208 # Change-4.76 %
Stock Ticker723787107 Stock NamePIONEER NAT RES CO $ Position$17.9 m % Position2.60 % $ Change-21.38 % # Shares80,193 # Change-11.88 %
Stock Ticker115236101 Stock NameBROWN & BROWN INC $ Position$16.9 m % Position2.47 % $ Change-22.31 % # Shares290,505 # Change-3.76 %
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
05/12/2022
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$57.2 m % Position7.07 % $ Change9.29 % # Shares162,000 # Change-7.41 %
Stock Ticker017175100 Stock NameALLEGHANY CORP MD $ Position$23.2 m % Position2.87 % $ Change-6.87 % # Shares27,364 # Change-26.59 %
Stock Ticker723787107 Stock NamePIONEER NAT RES CO $ Position$22.8 m % Position2.81 % $ Change25.17 % # Shares91,008 # Change-8.95 %
Stock Ticker37959E102 Stock NameGLOBE LIFE INC $ Position$21.9 m % Position2.70 % $ Change1.23 % # Shares217,300 # Change-5.69 %
Stock Ticker115236101 Stock NameBROWN & BROWN INC $ Position$21.8 m % Position2.70 % $ Change-5.88 % # Shares301,855 # Change-8.47 %
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
02/11/2022
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$52.3 m % Position6.05 % $ Change19.10 % # Shares174,960 # Change8.72 %
Stock Ticker017175100 Stock NameALLEGHANY CORP MD $ Position$24.9 m % Position2.88 % $ Change8.61 % # Shares37,277 # Change1.58 %
Stock Ticker200340107 Stock NameCOMERICA INC $ Position$24.0 m % Position2.77 % $ Change8.33 % # Shares275,350 # Change0.24 %
Stock Ticker115236101 Stock NameBROWN & BROWN INC $ Position$23.2 m % Position2.68 % $ Change17.60 % # Shares329,780 # Change-7.22 %
Stock TickerG7496G103 Stock NameRENAISSANCERE HLDGS LTD $ Position$22.2 m % Position2.57 % $ Change21.84 % # Shares131,284 # Change0.31 %
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
11/10/2021
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$43.9 m % Position5.64 % $ Change-2.86 % # Shares160,920 # Change-1.09 %
Stock Ticker017175100 Stock NameALLEGHANY CORP MD $ Position$22.9 m % Position2.94 % $ Change-7.98 % # Shares36,697 # Change-1.69 %
Stock Ticker200340107 Stock NameCOMERICA INC $ Position$22.1 m % Position2.84 % $ Change9.61 % # Shares274,700 # Change-2.86 %
Stock Ticker902973304 Stock NameUS BANCORP DEL $ Position$20.6 m % Position2.64 % $ Change-0.66 % # Shares346,270 # Change-4.78 %
Stock Ticker493267108 Stock NameKEYCORP $ Position$20.0 m % Position2.56 % $ Change0.77 % # Shares922,850 # Change-3.75 %
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
08/11/2021
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$45.2 m % Position5.69 % $ Change9.54 % # Shares162,690 # Change0.69 %
Stock Ticker017175100 Stock NameALLEGHANY CORP MD $ Position$24.9 m % Position3.14 % $ Change7.74 % # Shares37,329 # Change1.15 %
Stock TickerG7496G103 Stock NameRENAISSANCERE HLDGS LTD $ Position$23.2 m % Position2.92 % $ Change-8.34 % # Shares155,634 # Change-1.30 %
Stock Ticker37959E102 Stock NameGLOBE LIFE INC $ Position$21.1 m % Position2.66 % $ Change-4.30 % # Shares221,660 # Change-2.91 %
Stock Ticker902973304 Stock NameUS BANCORP DEL $ Position$20.7 m % Position2.61 % $ Change4.39 % # Shares363,670 # Change1.35 %
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
05/13/2021
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$41.3 m % Position5.28 % $ Change2.78 % # Shares161,580 # Change-6.71 %
Stock TickerG7496G103 Stock NameRENAISSANCERE HLDGS LTD $ Position$25.3 m % Position3.23 % $ Change-5.78 % # Shares157,684 # Change-2.50 %
Stock Ticker017175100 Stock NameALLEGHANY CORP DEL $ Position$23.1 m % Position2.96 % $ Change-3.37 % # Shares36,904 # Change-6.86 %
Stock Ticker37959E102 Stock NameGLOBE LIFE INC $ Position$22.1 m % Position2.82 % $ Change-10.94 % # Shares228,310 # Change-12.48 %
Stock Ticker200340107 Stock NameCOMERICA INC $ Position$20.5 m % Position2.63 % $ Change19.42 % # Shares286,400 # Change-7.01 %
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
02/11/2021
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$40.2 m % Position4.99 % $ Change8.37 % # Shares173,205 # Change-0.48 %
Stock TickerG7496G103 Stock NameRENAISSANCERE HLDGS LTD $ Position$26.8 m % Position3.33 % $ Change-2.67 % # Shares161,734 # Change-0.38 %
Stock Ticker115236101 Stock NameBROWN & BROWN INC $ Position$25.2 m % Position3.13 % $ Change3.23 % # Shares530,730 # Change-1.43 %
Stock Ticker37959E102 Stock NameGLOBE LIFE INC $ Position$24.8 m % Position3.08 % $ Change38.35 % # Shares260,860 # Change16.41 %
Stock Ticker363576109 Stock NameGALLAGHER ARTHUR J & CO $ Position$24.5 m % Position3.04 % $ Change10.34 % # Shares197,850 # Change-5.83 %
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
11/13/2020
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$37.1 m % Position5.57 % $ Change18.38 % # Shares174,035 # Change-0.76 %
Stock TickerG7496G103 Stock NameRENAISSANCERE HLDGS LTD $ Position$27.6 m % Position4.14 % $ Change9.51 % # Shares162,344 # Change10.35 %
Stock Ticker115236101 Stock NameBROWN & BROWN INC $ Position$24.4 m % Position3.66 % $ Change22.09 % # Shares538,430 # Change9.92 %
Stock Ticker363576109 Stock NameGALLAGHER ARTHUR J & CO $ Position$22.2 m % Position3.34 % $ Change20.36 % # Shares210,100 # Change11.13 %
Stock Ticker017175100 Stock NameALLEGHANY CORP DEL $ Position$19.8 m % Position2.98 % $ Change81.55 % # Shares38,083 # Change70.64 %
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
08/14/2020
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$31.3 m % Position5.44 % $ Change-7.82 % # Shares175,370 # Change-5.59 %
Stock TickerG7496G103 Stock NameRENAISSANCERE HOLDINGS LTD $ Position$25.2 m % Position4.38 % $ Change-0.31 % # Shares147,124 # Change-12.96 %
Stock Ticker115236101 Stock NameBROWN & BROWN INC $ Position$20.0 m % Position3.47 % $ Change-18.83 % # Shares489,830 # Change-27.87 %
Stock Ticker363576109 Stock NameGALLAGHER ARTHUR J & CO $ Position$18.4 m % Position3.21 % $ Change58.62 % # Shares189,050 # Change32.62 %
Stock Ticker37959E102 Stock NameGLOBE LIFE INC $ Position$15.6 m % Position2.71 % $ Change-1.13 % # Shares209,840 # Change-4.13 %
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
05/13/2020
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$34.0 m % Position6.42 % $ Change-20.97 % # Shares185,750 # Change-2.10 %
Stock TickerG7496G103 Stock NameRENAISSANCERE HOLDINGS LTD $ Position$25.2 m % Position4.77 % $ Change-15.56 % # Shares169,039 # Change10.85 %
Stock Ticker115236101 Stock NameBROWN & BROWN INC $ Position$24.6 m % Position4.65 % $ Change-20.51 % # Shares679,130 # Change-13.35 %
Stock Ticker37959E102 Stock NameGLOBE LIFE INC $ Position$15.8 m % Position2.98 % $ Change-31.51 % # Shares218,890 # Change0.16 %
Stock Ticker693475105 Stock NamePNC FINL SVCS GROUP INC $ Position$13.1 m % Position2.48 % $ ChangeN / A # Shares137,080 # ChangeN / A
Adviser PROSPECTOR PARTNERS LLC Type 13F-HR Submitted
02/13/2020
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker084670702 Stock NameBERKSHIRE HATHAWAY INC DEL $ Position$43.0 m % Position6.03 % $ ChangeN / A # Shares189,730 # ChangeN / A
Stock Ticker115236101 Stock NameBROWN & BROWN INC $ Position$30.9 m % Position4.34 % $ ChangeN / A # Shares783,800 # ChangeN / A
Stock TickerG7496G103 Stock NameRENAISSANCERE HOLDINGS LTD $ Position$29.9 m % Position4.20 % $ ChangeN / A # Shares152,499 # ChangeN / A
Stock Ticker37959E102 Stock NameGLOBE LIFE INC $ Position$23.0 m % Position3.23 % $ ChangeN / A # Shares218,550 # ChangeN / A
Stock Ticker693475105 Stock NamePNC FINL SVCS GROUP INC $ Position$19.7 m % Position2.77 % $ ChangeN / A # Shares123,420 # ChangeN / A

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