Prospector Partners LLC

In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 7, 2025), Prospector Partners LLC reported 81 stock positions worth $820.3 million. Its top holding was Berkshire Hathaway Class B (BRK.B) at 4.0% of the portfolio, followed by Globe Life (GL, 3.5%) and Brown & Brown (BRO, 3.2%). Compared with Q2 2025, it opened 5 new positions, sold out of 6, added to 10 and reduced 58. The biggest buy was Alphabet Class A (GOOGL, shares +45%) and the biggest sale an exit from Leidos (LDOS).

Most Recent 13F
Q4 2025
Location
GUILFORD, CT
CIK
0001080380
Portfolio Value
$820.3M (Q3 2025)
SEC Filing
0001398344-25-020530 ↗ filed Nov 7, 2025

Holdings Value

0$200.0M$400.0M$600.0M$800.0M$1.0B Q1 2024: $855.0M Q1 2024 Q2 2024: $844.1M Q2 2024 Q3 2024: $927.6M Q3 2024 Q4 2024: $873.6M Q4 2024 Q1 2025: $865.8M Q1 2025 Q2 2025: $853.1M Q2 2025 Q3 2025: $820.3M $820.3M Q3 2025 Q4 2025: $46.7M Q4 2025

Holdings 81 stocks · $820.3M

BRK.B Berkshire Hathaway Inc. Class B 3.97% 64,810 $32.6M No change
GL Globe Life Inc. 3.46% 198,742 $28.4M Reduce -3.0%
BRO Brown & Brown Inc. 3.22% 281,622 $26.4M Reduce -0.1%
PNC PNC Financial Services Group 3.10% 126,681 $25.5M Reduce -4.5%
ETN Eaton Corp. PLC 2.83% 62,046 $23.2M Reduce -6.2%
SSB Southstate Bank Corp. 2.62% 216,967 $21.5M Add +1.0%
LFUS Littelfuse Inc. 2.58% 81,670 $21.2M Reduce -3.5%
EG Everest Group Ltd. 2.55% 59,814 $20.9M Reduce -3.1%
PRI Primerica Inc. 2.36% 69,674 $19.3M Reduce -4.5%
CACI Caci International Inc. Class A 2.32% 38,144 $19.0M Reduce -3.6%
PB Prosperity Bancshares Inc. 2.28% 281,703 $18.7M Reduce -2.8%
ABT Abbott Laboratories 2.18% 133,334 $17.9M Reduce -5.0%
ABCB Ameris Bancorp 2.11% 235,933 $17.3M Reduce -3.4%
GOOGL Alphabet Inc. Class A 2.01% 67,956 $16.5M Add +45.0%
FNB FNB Corp. 2.00% 1,015,935 $16.4M Reduce -4.1%
CARR Carrier Global Corp. 1.80% 247,005 $14.7M Reduce -4.8%
TRMB Trimble Inc. 1.78% 178,772 $14.6M Reduce -3.7%
JOE The St Joe Co. 1.78% 294,317 $14.6M Add +0.2%
XOM Exxon Mobil Corp. 1.70% 123,699 $13.9M Reduce -6.3%
AJG Arthur J Gallagher & Co. filed as GALLAGHER ARTHUR J & CO 1.70% 44,964 $13.9M Reduce -42.1%
JNJ Johnson & Johnson 1.69% 74,542 $13.8M Reduce -10.6%
PPG PPG Industries Inc. 1.68% 130,717 $13.7M Reduce -4.7%
PNR Pentair PLC 1.65% 121,871 $13.5M Reduce -3.3%
UNM Unum Group 1.62% 171,290 $13.3M Add +44.3%
TER Teradyne Inc. 1.62% 96,631 $13.3M Reduce -3.9%
PGR Progressive Corp. 1.62% 53,841 $13.3M Reduce -21.9%
MRK Merck & Co. Inc. 1.61% 157,282 $13.2M Reduce -5.7%
CBOE Cboe Global Markets Inc. 1.54% 51,610 $12.7M Reduce -3.1%
PPLT Abrdn Physical Platinum SHRS 1.53% 87,755 $12.5M Reduce -3.2%
HHH Howard Hughes Holdings Inc. 1.52% 151,573 $12.5M Reduce -3.1%
DRI Darden Restaurants Inc. 1.47% 63,478 $12.1M Reduce -3.7%
HD Home Depot Inc. 1.44% 29,140 $11.8M Reduce -5.4%
CW Curtiss-Wright Corp. 1.33% 20,034 $10.9M Reduce -3.9%
FIS Fidelity National Info Serv 1.27% 157,614 $10.4M Reduce -4.6%
ZBRA Zebra Technologies Corp. Class A 1.24% 34,308 $10.2M Reduce -4.7%
MSFT Microsoft Corp. 1.24% 19,635 $10.2M Reduce -5.2%
HON Honeywell International Inc. 1.22% 47,529 $10.0M Reduce -5.9%
CL Colgate-Palmolive Co. 1.19% 122,018 $9.8M Reduce -4.2%
PJT PJT Partners Inc. Class A 1.17% 53,956 $9.6M No change
CI The Cigna Group 1.16% 33,072 $9.5M Add +14.4%
KVUE Kenvue Inc. 1.14% 575,738 $9.3M Add +4.8%
CHD Church & Dwight Co. Inc. 1.12% 105,233 $9.2M Reduce -1.8%
KEY Keycorp 1.10% 483,786 $9.0M Add +0.3%
TXRH Texas Roadhouse Inc. 1.04% 51,589 $8.6M Reduce -3.7%
SMPL The Simply Good Foods Co. 1.01% 333,818 $8.3M Reduce -24.7%
SLB SLB Ltd. filed as SCHLUMBERGER LTD 0.99% 235,326 $8.1M Reduce -2.9%
RTX RTX Corp. 0.91% 44,728 $7.5M Reduce -7.7%
MDLZ Mondelez International Inc. Class A 0.91% 119,406 $7.5M Reduce -6.8%
NEM Newmont Corp. 0.84% 81,325 $6.9M Reduce -6.4%
SU Suncor Energy Inc. 0.83% 163,246 $6.8M Reduce -11.8%
MKTX Marketaxess Holdings Inc. 0.81% 37,965 $6.6M New
BAH Booz Allen Hamilton Holdings 0.80% 65,988 $6.6M New
AEM Agnico Eagle Mines Ltd. 0.80% 39,083 $6.6M Reduce -7.9%
PR Permian Resources Corp. Class A 0.79% 509,193 $6.5M Reduce -3.8%
WTM White Mountains Insurance GP 0.77% 3,783 $6.3M Reduce -7.2%
C Citigroup Inc. 0.70% 56,763 $5.8M Reduce -6.0%
FAF First American Financial 0.70% 89,644 $5.8M Add +0.5%
VVX V2X Inc. 0.67% 94,708 $5.5M Reduce 0.0%
AMAT Applied Materials Inc. 0.63% 25,425 $5.2M Reduce -6.2%
NTB Bank of N.T. Butterfield&son 0.57% 108,575 $4.7M No change
HOLX Hologic Inc. 0.54% 65,853 $4.4M Reduce -7.9%
OPCH Option Care Health Inc. 0.51% 150,440 $4.2M New
PAYX Paychex Inc. 0.50% 32,557 $4.1M Reduce -4.6%
USB US Bancorp 0.46% 78,700 $3.8M New
EBAY eBay Inc. 0.45% 40,899 $3.7M Reduce -10.1%
NOMD Nomad Foods Ltd. 0.39% 243,085 $3.2M Reduce -18.2%
AXTA Axalta Coating Systems Ltd. 0.37% 104,799 $3.0M Reduce -8.7%
DVN Devon Energy Corp. 0.35% 81,929 $2.9M Reduce 0.0%
CUBE Cubesmart 0.34% 68,374 $2.8M Reduce -12.0%
NBBK NB Bancorp Inc. 0.32% 150,862 $2.7M Reduce -10.0%
PFE Pfizer Inc. 0.30% 97,307 $2.5M Reduce -18.8%
GOOG Alphabet Inc. Class C 0.18% 6,226 $1.5M Add +0.0%
CCBG Capital City Bank Group Inc. 0.17% 32,685 $1.4M No change
SPFI South Plains Financial Inc. 0.16% 33,340 $1.3M No change
CVX Chevron Corp. 0.14% 7,427 $1.2M New
HG Hamilton Insurance Grou Class B 0.11% 37,300 $925K No change
BFST Business First Bancshares 0.10% 35,600 $841K Add +69.5%
HMN Horace Mann Educators 0.10% 18,220 $823K No change
TSBK Timberland Bancorp Inc. 0.08% 18,672 $621K No change
AZN Astrazeneca PLC-Spons ADR 0.06% 6,877 $528K Reduce -26.7%
FCPT Four Corners Property Trust 0.06% 19,201 $469K Reduce -1.9%

Options reported separately and not counted above: WMT puts ($4.9M), USB calls ($1.5M).

Other holdings (9): bonds, preferreds, convertibles and warrants · $10.2M (not counted above)
SecurityClassShares / PrincipalValueChange
HALOZYME THERAPEUTICS IN (HALO 1 08/15/28) NOTE 1.000% 8/1 · principal 1,200,000$1.7MNo change
DROPBOX INC (DBX 0 03/01/28) NOTE 3/0 · principal 1,400,000$1.4MNo change
ALARM.COM HLDGS INC (ALRM 2.25 06/01/29) NOTE 2.250% 6/0 · principal 1,500,000$1.4MNew
AKAMAI TECHNOLOGIES INC (AKAM 0.375 09/01/27) NOTE 0.375% 9/0 · principal 1,400,000$1.3MAdd +7.7%
PARSONS CORP (PSN 2.625 03/01/29) NOTE 2.625% 3/0 · principal 1,000,000$1.1MNo change
ON SEMICONDUCTOR CORP (ON 0.5 03/01/29) NOTE 0.500% 3/0 · principal 1,100,000$1.0MNo change
VERINT SYSTEMS INC (VRNT 0.25 04/15/26) NOTE 0.250% 4/1 · principal 1,000,000$978KNo change
BIOMARIN PHARMACEUTICAL (BMRN 1.25 05/15/27) NOTE 1.250% 5/1 · principal 1,000,000$948KNo change
ON SEMICONDUCTOR CORP (ON 0 05/01/27) NOTE 5/0 · principal 200,000$228KNo change

Total filed on the 13F, all lines: $830.5M.

Portfolio Sells Q2 2025 → Q3 2025

LDOS Leidos Holdings Inc. Sold out 0.00% −1.63
KDP Keurig Dr Pepper Inc. Sold out 0.00% −1.42
EXPE Expedia Group Inc. Sold out 0.00% −1.26
AJG Arthur J Gallagher & Co. Reduce -42.1% 1.70% −1.22
SMPL The Simply Good Foods Co. Reduce -24.7% 1.01% −0.63
PGR Progressive Corp. Reduce -21.9% 1.62% −0.53
BRO Brown & Brown Inc. Reduce -0.1% 3.22% −0.44
CARR Carrier Global Corp. Reduce -4.8% 1.80% −0.43
FIS Fidelity National Info Serv Reduce -4.6% 1.27% −0.31
DRI Darden Restaurants Inc. Reduce -3.7% 1.47% −0.21
NOMD Nomad Foods Ltd. Reduce -18.2% 0.39% −0.20
CL Colgate-Palmolive Co. Reduce -4.2% 1.19% −0.17
HON Honeywell International Inc. Reduce -5.9% 1.22% −0.16
PPG PPG Industries Inc. Reduce -4.7% 1.68% −0.15
TXRH Texas Roadhouse Inc. Reduce -3.7% 1.04% −0.13
HES Hess Corp. Sold out 0.00% −0.12
PB Prosperity Bancshares Inc. Reduce -2.8% 2.28% −0.11
MDLZ Mondelez International Inc. Class A Reduce -6.8% 0.91% −0.10
AII American Integrity Insurance Sold out 0.00% −0.10
WTM White Mountains Insurance GP Reduce -7.2% 0.77% −0.09
CHD Church & Dwight Co. Inc. Reduce -1.8% 1.12% −0.08
PAYX Paychex Inc. Reduce -4.6% 0.50% −0.08
ABT Abbott Laboratories Reduce -5.0% 2.18% −0.06
ZBRA Zebra Technologies Corp. Class A Reduce -4.7% 1.24% −0.06
ST Sensata Technologies Holdplc Sold out 0.00% −0.05
PR Permian Resources Corp. Class A Reduce -3.8% 0.79% −0.05
CUBE Cubesmart Reduce -12.0% 0.34% −0.05
PFE Pfizer Inc. Reduce -18.8% 0.30% −0.04
AXTA Axalta Coating Systems Ltd. Reduce -8.7% 0.37% −0.03
NBBK NB Bancorp Inc. Reduce -10.0% 0.32% −0.03
AZN Astrazeneca PLC-Spons ADR Reduce -26.7% 0.06% −0.01
FCPT Four Corners Property Trust Reduce -1.9% 0.06% −0.00
HOLX Hologic Inc. Reduce -7.9% 0.54% −0.00
PRI Primerica Inc. Reduce -4.5% 2.36% +0.02
SU Suncor Energy Inc. Reduce -11.8% 0.83% +0.02
SLB SLB Ltd. Reduce -2.9% 0.99% +0.03
MSFT Microsoft Corp. Reduce -5.2% 1.24% +0.03
XOM Exxon Mobil Corp. Reduce -6.3% 1.70% +0.03
DVN Devon Energy Corp. Reduce 0.0% 0.35% +0.04
AMAT Applied Materials Inc. Reduce -6.2% 0.63% +0.05
EBAY eBay Inc. Reduce -10.1% 0.45% +0.06
MRK Merck & Co. Inc. Reduce -5.7% 1.61% +0.06
ETN Eaton Corp. PLC Reduce -6.2% 2.83% +0.06
RTX RTX Corp. Reduce -7.7% 0.91% +0.08
CBOE Cboe Global Markets Inc. Reduce -3.1% 1.54% +0.09
EG Everest Group Ltd. Reduce -3.1% 2.55% +0.09
C Citigroup Inc. Reduce -6.0% 0.70% +0.10
CACI Caci International Inc. Class A Reduce -3.6% 2.32% +0.11
HD Home Depot Inc. Reduce -5.4% 1.44% +0.12
TRMB Trimble Inc. Reduce -3.7% 1.78% +0.13

Portfolio Buys Q2 2025 → Q3 2025

GOOGL Alphabet Inc. Class A Add +45.0% 2.01% +1.05
MKTX Marketaxess Holdings Inc. New 0.81% +0.81
BAH Booz Allen Hamilton Holdings New 0.80% +0.80
OPCH Option Care Health Inc. New 0.51% +0.51
UNM Unum Group Add +44.3% 1.62% +0.50
USB US Bancorp New 0.46% +0.46
SSB Southstate Bank Corp. Add +1.0% 2.62% +0.30
CVX Chevron Corp. New 0.14% +0.14
JOE The St Joe Co. Add +0.2% 1.78% +0.13
KEY Keycorp Add +0.3% 1.10% +0.12
FAF First American Financial Add +0.5% 0.70% +0.06
GOOG Alphabet Inc. Class C Add +0.0% 0.18% +0.06
CI The Cigna Group Add +14.4% 1.16% +0.04
BFST Business First Bancshares Add +69.5% 0.10% +0.04
KVUE Kenvue Inc. Add +4.8% 1.14% −0.21

Options Activity Q2 2025 → Q3 2025

MUR Murphy Oil Corp. call Sold out 145,000 $3.3Mbefore exit
USB US Bancorp call Reduce -71.4% 31,500 $1.5M

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

Notes & Other Activity Q2 2025 → Q3 2025

ALARM.COM HLDGS INC (ALRM 2.25 06/01/29) NOTE 2.250% 6/0 · principal New 1,500,000 $1.4M
AKAMAI TECHNOLOGIES INC (AKAM 0.375 09/01/27) NOTE 0.375% 9/0 · principal Add +7.7% 1,400,000 $1.3M
MIDDLEBY CORP (MIDD 1 09/01/25) NOTE 1.000% 9/0 · principal Sold out 500,000 $561Kbefore exit

Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q4 2025 16$46.7MXOM, PGR, MSFT, BRK.B, PJT
Q3 2025 81$820.3MBRK.B, GL, BRO, PNC, ETN
Q2 2025 82$853.1MBRK.B, BRO, GL, AJG, PNC
Q1 2025 80$865.8MBRO, BRK.B, GL, AJG, ABT
Q4 2024 83$873.6MBRK.B, BRO, ABT, GL, ETN
Q3 2024 84$927.6MBRK.B, BRO, PGR, CW, LDOS
Q2 2024 82$844.1MLDOS, BRK.B, BRO, PGR, CW
Q1 2024 83$855.0MBRK.B, LDOS, BRO, GL, CW