PROSPECTOR PARTNERS LLC
Q2 2024 Form 13-F

GUILFORD, CONNECTICUT
CIK 0001080380 · CRD 123546 · SEC-registered investment adviser
Consolidated report · includes 1 manager since Q4 2024
$894.6M Reported Value Total

PROSPECTOR PARTNERS, LLC reports 7 total accounts under management (AUM). There are 7 discretionary accounts valued at $715,799,756, and 0 non-discretionary accounts.

Source: Form ADV filed * Note that certain holdings are exempt from Form 13-F reporting, so the AUM totals may be greater than the Form 13-F total.
SEC Registered Discretionary Manager
Private funds (Form ADV)
6 funds · $502.3M gross asset value
Hedge Fund: $492.2M · Other: $10.2M · Private Equity Fund: $7.0K
Source: Form ADV filed 2025-06-18
Reported value
$894.6M
Quarter over quarter
-2.3%
Holdings
82
Top-10 concentration
27.3%

Filing Structure

Reports holdings for

  • PROSPECTOR PARTNERS FUND, L.P. (not a 13F filer in our records) · File #028-11517 · since Q4 2024
  • PROSPECTOR FUNDS INC · File #028-15501 · Q2 2013 – Q2 2024
  • OneBeacon Insurance Group, Ltd. (not a 13F filer in our records) · File #028-12951 · Q2 2013 – Q2 2015
  • White Mountains Advisors LLC (not a 13F filer in our records) · File #028-10494 · Q2 2013 – Q1 2015

Key People

Form ADV owners & control persons
John Davies Gillespie
MANAGING MEMBER
Kevin Raymond Obrien
PORTFOLIO MANAGER
Jason A Kish
PORTFOLIO MANAGER
Q1 2024
Q3 2024
Go to latest

Coverage begins with the second quarter of 2013. Earlier quarters are not shown while their accuracy is being verified.

Loading 13F Metrics

Q2 2024 13F filing summary

Period of report June 30, 2024
Filed August 13, 2024
Form 13F-HR
Reported value $894.6M
Positions 82
Change in reported value -1.6%
New positions 2
Exited positions 3
Position turnover 5.9%
Top-10 concentration 27.3%

13F filings by quarter

Quarter Positions Value
Q4 2025 13F
Filed Feb 13, 2026
 16 $46.7M
Q3 2025 13F
Filed Nov 7, 2025
 81 $836.9M
Q2 2025 13F
Filed Aug 8, 2025
 82 $874.8M
Q1 2025 13F
Filed May 13, 2025
 80 $887.4M
Q4 2024 13F
Filed Feb 13, 2025
 83 $901.3M
Q3 2024 13F
Filed Nov 13, 2024
 84 $955.9M
Q2 2024 13F
Filed Aug 13, 2024
 82 $894.6M
Q1 2024 13F
Filed May 9, 2024
 83 $909.5M
Q4 2023 13F
Filed Feb 9, 2024
 82 $800.8M
Q3 2023 13F
Filed Nov 13, 2023
 82 $742.7M
Q2 2023 13F
Filed Aug 10, 2023
 84 $716.7M
Q1 2023 13F
Filed May 8, 2023
 86 $718.9M
Q4 2022 13F
Filed Feb 15, 2023
 98 $731.2M
Q3 2022 13F
Filed Nov 10, 2022
 98 $671.7M
Q2 2022 13F
Filed Aug 11, 2022
 94 $686.7M
Q1 2022 13F
Filed May 12, 2022
 97 $808.8M
Q4 2021 13F
Filed Feb 11, 2022
 101 $865.0M
Q3 2021 13F
Filed Nov 10, 2021
 102 $778.7M
Q2 2021 13F
Filed Aug 11, 2021
 104 $794.3M
Q1 2021 13F
Filed May 13, 2021
 106 $781.8M

31 earlier quarters on file — choose one from the quarter menu above.

Top 20 holdings · Q2 2024

# Holding Reported value % of portfolio
1 LDOS LEIDOS HOLDINGS INC $31.9M 3.56%
2 BRK-B BERKSHIRE HATHAWAY INC DEL $31.9M 3.56%
3 BRO BROWN & BROWN INC $25.4M 2.83%
4 PGR PROGRESSIVE CORP $23.9M 2.67%
5 CW CURTISS WRIGHT CORP $23.7M 2.65%
6 XOM EXXON MOBIL CORP $23.6M 2.64%
7 ETN EATON CORP PLC $22.8M 2.55%
8 AJG GALLAGHER ARTHUR J & CO $20.9M 2.34%
9 MRK MERCK & CO INC $20.1M 2.24%
10 TRMB TRIMBLE INC $19.7M 2.21%
11 ABT ABBOTT LABS $18.6M 2.08%
12 LFUS LITTELFUSE INC $18.4M 2.06%
13 PRI PRIMERICA INC $18.2M 2.03%
14 GL GLOBE LIFE INC $17.4M 1.95%
15 CARR CARRIER GLOBAL CORPORATION $17.3M 1.93%
16 PPG PPG INDS INC $17.2M 1.92%
17 CL COLGATE PALMOLIVE CO $17.0M 1.9%
18 XRAY DENTSPLY SIRONA INC $16.8M 1.88%
19 C CITIGROUP INC $16.8M 1.87%
20 EG EVEREST GROUP LTD $16.5M 1.84%

Values as reported on the Q2 2024 Form 13F. Every position is in the holdings table below.

Loading Activities
Loading Sector Allocation
Crunching numbers
Loading Performance
Finding Potential New Buys
Building table
Loading SEC filing data
Loading Form 4 Filings
Loading 13D/G filings