Prospector Partners LLC

In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 9, 2024), Prospector Partners LLC reported 83 stock positions worth $855.0 million. Its top holding was Berkshire Hathaway Class B (BRK.B) at 3.9% of the portfolio, followed by Leidos (LDOS, 3.3%) and Brown & Brown (BRO, 2.9%). Compared with Q4 2023, it opened 5 new positions, sold out of 4, added to 62 and reduced 11. The biggest buy was a new position in Prosperity Bancshares (PB) and the biggest sale Sensata Technologies Holdplc (ST, shares −95%).

Most Recent 13F
Q4 2025
Location
GUILFORD, CT
CIK
0001080380
Portfolio Value
$855.0M (Q1 2024)
SEC Filing
0001398344-24-009042 ↗ filed May 9, 2024

Holdings Value

0$200.0M$400.0M$600.0M$800.0M$1.0B Q1 2024: $855.0M $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 Q3 2025 Q4 2025: $46.7M Q4 2025

Holdings 83 stocks · $855.0M
BRK.B Berkshire Hathaway Inc. Class B 3.85% 78,310 $32.9M Reduce -18.8%
LDOS Leidos Holdings Inc. 3.33% 217,303 $28.5M Add +1.7%
BRO Brown & Brown Inc. 2.88% 281,752 $24.7M Reduce -3.1%
GL Globe Life Inc. 2.86% 210,390 $24.5M Add +1.7%
CW Curtiss-Wright Corp. 2.83% 94,604 $24.2M Add +1.1%
PGR Progressive Corp. 2.75% 113,825 $23.5M Add +2.3%
PXD Pioneer Natural Resources Co. 2.67% 86,968 $22.8M Add +1.9%
ETN Eaton Corp. PLC 2.64% 72,259 $22.6M Add +1.3%
TRMB Trimble Inc. 2.62% 348,135 $22.4M Add +1.7%
PRI Primerica Inc. 2.51% 84,935 $21.5M Add +1.2%
MRK Merck & Co. Inc. 2.49% 161,047 $21.3M Add +1.8%
AJG Arthur J Gallagher & Co. filed as GALLAGHER ARTHUR J & CO 2.35% 80,264 $20.1M Reduce -20.2%
ABT Abbott Laboratories 2.32% 174,225 $19.8M Add +2.1%
LFUS Littelfuse Inc. 2.03% 71,610 $17.4M Add +7.3%
EG Everest Group Ltd. 2.00% 42,955 $17.1M Add +11.7%
C Citigroup Inc. 1.94% 262,155 $16.6M Add +1.9%
MDLZ Mondelez International Inc. Class A 1.85% 225,891 $15.8M Add +1.7%
CARR Carrier Global Corp. 1.85% 271,965 $15.8M Add +1.6%
CHD Church & Dwight Co. Inc. 1.84% 151,119 $15.8M Add +1.4%
CL Colgate-Palmolive Co. 1.84% 174,545 $15.7M Add +1.8%
CI The Cigna Group 1.72% 40,538 $14.7M Add +1.8%
PPG PPG Industries Inc. 1.71% 100,722 $14.6M Add +1.7%
XRAY Dentsply Sirona Inc. 1.48% 381,940 $12.7M Add +7.1%
PNC PNC Financial Services Group 1.45% 76,700 $12.4M Add +2.1%
HD Home Depot Inc. 1.44% 32,129 $12.3M Add +1.8%
PNR Pentair PLC 1.44% 144,220 $12.3M Reduce -23.6%
OTIS Otis Worldwide Corp. 1.43% 123,145 $12.2M Add +1.4%
SLB SLB Ltd. filed as SCHLUMBERGER LTD 1.41% 220,030 $12.1M Add +2.3%
PB Prosperity Bancshares Inc. 1.41% 182,795 $12.0M New
FIS Fidelity National Info Serv 1.34% 154,702 $11.5M Add +1.9%
AXTA Axalta Coating Systems Ltd. 1.32% 329,325 $11.3M Add +1.3%
PLGO Pelagos Insurance Capital LT filed as FIDELIS INSURANCE HOLDINGS L 1.31% 573,918 $11.2M Add +1.6%
HHH Howard Hughes Holdings Inc. 1.28% 150,416 $10.9M Add +1.5%
DRI Darden Restaurants Inc. 1.22% 62,375 $10.4M Add +1.4%
TXRH Texas Roadhouse Inc. 1.22% 67,410 $10.4M Add +1.9%
JNJ Johnson & Johnson 1.21% 65,474 $10.4M Add +8.2%
CBOE Cboe Global Markets Inc. 1.18% 54,880 $10.1M Reduce -30.6%
ABCB Ameris Bancorp 1.17% 207,326 $10.0M Add +9.1%
GOOGL Alphabet Inc. Class A 1.17% 66,330 $10.0M Add +2.2%
HOLX Hologic Inc. 1.16% 127,620 $9.9M Add +72.3%
EXPE Expedia Group Inc. 1.08% 67,180 $9.3M Add +1.9%
MSFT Microsoft Corp. 1.07% 21,711 $9.1M Add +2.4%
HES Hess Corp. 1.05% 58,885 $9.0M Add +2.3%
APTV Aptiv Irish Holdings Ltd. filed as APTIV PLC 1.02% 109,710 $8.7M New
FHI Federated Hermes Inc. 1.02% 240,546 $8.7M Add +1.4%
FBP First Bancorp Puerto Rico 1.00% 486,325 $8.5M Add +1.8%
VOYA Voya Financial Inc. 0.99% 114,892 $8.5M Add +1.7%
WRB WR Berkley Corp. filed as BERKLEY W R CORP 0.97% 93,440 $8.3M Reduce -52.0%
PPLT Abrdn Physical Platinum SHRS 0.90% 91,655 $7.7M Add +1.6%
RTX RTX Corp. 0.89% 77,645 $7.6M Add +2.8%
TER Teradyne Inc. 0.86% 65,350 $7.4M Add +12.6%
SSB Southstate Bank Corp. 0.86% 86,257 $7.3M Add +12.0%
GD General Dynamics Corp. 0.83% 25,130 $7.1M Add +2.5%
ZBRA Zebra Technologies Corp. Class A 0.80% 22,731 $6.9M Reduce -23.8%
GS Goldman Sachs Group Inc. 0.78% 15,935 $6.7M Add +70.0%
GOOG Alphabet Inc. Class C 0.76% 42,430 $6.5M Add +1.8%
PG The Procter & Gamble Co. 0.72% 37,735 $6.1M Add +2.5%
RNR Renaissancere Holdings Ltd. 0.71% 25,853 $6.1M Reduce -20.8%
WTM White Mountains Insurance GP 0.69% 3,293 $5.9M Add +0.8%
PJT PJT Partners Inc. Class A 0.68% 61,230 $5.8M Add +2.3%
SU Suncor Energy Inc. 0.63% 145,425 $5.4M Add +22.0%
PAYX Paychex Inc. 0.52% 36,305 $4.5M Add +3.1%
VVX V2X Inc. 0.50% 91,330 $4.3M Add +16.2%
CUBE Cubesmart 0.49% 93,340 $4.2M New
AEM Agnico Eagle Mines Ltd. 0.41% 58,442 $3.5M Add +2.3%
DVN Devon Energy Corp. 0.40% 68,130 $3.4M Add +29.4%
FAF First American Financial 0.39% 54,965 $3.4M Add +26.9%
NEM Newmont Corp. 0.39% 92,450 $3.3M Reduce -34.5%
NTB Bank of N.T. Butterfield&son 0.36% 95,675 $3.1M New
EBAY eBay Inc. 0.34% 55,325 $2.9M Reduce -56.7%
TGLS Tecnoglass Holdings Inc. 0.28% 45,300 $2.4M No change
PFE Pfizer Inc. 0.27% 81,755 $2.3M No change
EVTC Evertec Inc. 0.10% 22,000 $878K Add +47.2%
SPFI South Plains Financial Inc. 0.10% 31,290 $837K Add +34.9%
WMPN William Penn Bancorp 0.09% 65,200 $805K No change
XOM Exxon Mobil Corp. 0.09% 6,625 $770K Add +42.5%
CCBG Capital City Bank Group Inc. 0.09% 27,785 $770K New
HMN Horace Mann Educators 0.08% 18,220 $674K No change
ST Sensata Technologies Holdplc 0.06% 14,900 $547K Reduce -95.5%
YETI Yeti Holdings Inc. filed as YETI HLDGS INC 0.06% 12,350 $476K No change
FCPT Four Corners Property Trust 0.05% 18,563 $454K Add +5.7%
AZN Astrazeneca PLC-Spons ADR 0.05% 6,700 $454K Add +5.8%
LPX Louisiana-Pacific Corp. 0.05% 5,225 $438K Add +5.8%

Options reported separately and not counted above: POST puts ($20.6M), APH puts ($9.5M), BAC puts ($6.1M), LOW puts ($5.0M), PRU puts ($4.7M).

Other holdings (10): bonds, preferreds, convertibles and warrants · $8.7M (not counted above)
SecurityClassShares / PrincipalValueChange
AKAMAI TECHNOLOGIES INC (AKAM 0.375 09/01/27) NOTE 0.375% 9/0 · principal 1,200,000$1.3MAdd +9.1%
DROPBOX INC (DBX 0 03/01/28) NOTE 3/0 · principal 1,300,000$1.2MAdd +18.2%
BIOMARIN PHARMACEUTICAL (BMRN 0.599 08/01/24) NOTE 0.599% 8/0 · principal 1,200,000$1.2MNo change
VISHAY INTERTECHNOLOGY (VSH 2.25 06/15/25) NOTE 2.250% 6/1 · principal 1,100,000$1.1MNo change
VERINT SYSTEMS INC (VRNT 0.25 04/15/26) NOTE 0.250% 4/1 · principal 1,100,000$1.0MNo change
HALOZYME THERAPEUTICS IN (HALO 1 08/15/28) NOTE 1.000% 8/1 · principal 1,000,000$972KNew
MIDDLEBY CORP (MIDD 1 09/01/25) NOTE 1.000% 9/0 · principal 500,000$657KNo change
NUVASIVE INC (GMED 0.375 03/15/25) NOTE 0.375% 3/1 · principal 600,000$571KNew
ARRAY TECHNOLOGIES INC (ARRY 1 12/01/28) NOTE 1.000%12/0 · principal 500,000$462KNew
CHART INDUSTRIES INC (GTLS 1 11/15/24) NOTE 1.000%11/1 · principal 100,000$281KNo change

Total filed on the 13F, all lines: $863.7M.

Portfolio Sells Q4 2023 → Q1 2024
ST Sensata Technologies Holdplc Reduce -95.5% 0.06% −1.51
WRB WR Berkley Corp. Reduce -52.0% 0.97% −0.78
MOG.A Moog Inc. Class A Sold out 0.00% −0.69
CBOE Cboe Global Markets Inc. Reduce -30.6% 1.18% −0.62
AJG Arthur J Gallagher & Co. Reduce -20.2% 2.35% −0.53
BRK.B Berkshire Hathaway Inc. Class B Reduce -18.8% 3.85% −0.52
HSIC Henry Schein Inc. Sold out 0.00% −0.45
STEL Stellar Bancorp Inc. Sold out 0.00% −0.39
EBAY eBay Inc. Reduce -56.7% 0.34% −0.37
NEM Newmont Corp. Reduce -34.5% 0.39% −0.36
OBK Origin Bancorp Inc. Sold out 0.00% −0.33
PNR Pentair PLC Reduce -23.6% 1.44% −0.30
ZBRA Zebra Technologies Corp. Class A Reduce -23.8% 0.80% −0.23
RNR Renaissancere Holdings Ltd. Reduce -20.8% 0.71% −0.10
BRO Brown & Brown Inc. Reduce -3.1% 2.88% +0.26

Portfolio Buys Q4 2023 → Q1 2024
PB Prosperity Bancshares Inc. New 1.41% +1.41
APTV Aptiv Irish Holdings Ltd. New 1.02% +1.02
PGR Progressive Corp. Add +2.3% 2.75% +0.50
CUBE Cubesmart New 0.49% +0.49
HOLX Hologic Inc. Add +72.3% 1.16% +0.49
ETN Eaton Corp. PLC Add +1.3% 2.64% +0.46
PLGO Pelagos Insurance Capital LT Add +1.6% 1.31% +0.40
LDOS Leidos Holdings Inc. Add +1.7% 3.33% +0.39
NTB Bank of N.T. Butterfield&son New 0.36% +0.36
GS Goldman Sachs Group Inc. Add +70.0% 0.78% +0.32
PRI Primerica Inc. Add +1.2% 2.51% +0.32
TRMB Trimble Inc. Add +1.7% 2.62% +0.31
MRK Merck & Co. Inc. Add +1.8% 2.49% +0.29
EG Everest Group Ltd. Add +11.7% 2.00% +0.27
C Citigroup Inc. Add +1.9% 1.94% +0.26
PXD Pioneer Natural Resources Co. Add +1.9% 2.67% +0.23
CI The Cigna Group Add +1.8% 1.72% +0.21
TXRH Texas Roadhouse Inc. Add +1.9% 1.22% +0.19
FIS Fidelity National Info Serv Add +1.9% 1.34% +0.18
CW Curtiss-Wright Corp. Add +1.1% 2.83% +0.18
SU Suncor Energy Inc. Add +22.0% 0.63% +0.14
CL Colgate-Palmolive Co. Add +1.8% 1.84% +0.10
DVN Devon Energy Corp. Add +29.4% 0.40% +0.10
CCBG Capital City Bank Group Inc. New 0.09% +0.09
RTX RTX Corp. Add +2.8% 0.89% +0.08
WTM White Mountains Insurance GP Add +0.8% 0.69% +0.07
TER Teradyne Inc. Add +12.6% 0.86% +0.06
MSFT Microsoft Corp. Add +2.4% 1.07% +0.05
CHD Church & Dwight Co. Inc. Add +1.4% 1.84% +0.05
HD Home Depot Inc. Add +1.8% 1.44% +0.05
OTIS Otis Worldwide Corp. Add +1.4% 1.43% +0.05
FAF First American Financial Add +26.9% 0.39% +0.04
VVX V2X Inc. Add +16.2% 0.50% +0.04
XOM Exxon Mobil Corp. Add +42.5% 0.09% +0.03
SSB Southstate Bank Corp. Add +12.0% 0.86% +0.03
PG The Procter & Gamble Co. Add +2.5% 0.72% +0.03
EVTC Evertec Inc. Add +47.2% 0.10% +0.02
GD General Dynamics Corp. Add +2.5% 0.83% +0.02
GOOGL Alphabet Inc. Class A Add +2.2% 1.17% +0.02
SPFI South Plains Financial Inc. Add +34.9% 0.10% +0.01
AEM Agnico Eagle Mines Ltd. Add +2.3% 0.41% +0.01
GOOG Alphabet Inc. Class C Add +1.8% 0.76% +0.01
LPX Louisiana-Pacific Corp. Add +5.8% 0.05% +0.01
JNJ Johnson & Johnson Add +8.2% 1.21% +0.01
AZN Astrazeneca PLC-Spons ADR Add +5.8% 0.05% −0.00
FBP First Bancorp Puerto Rico Add +1.8% 1.00% −0.00
FCPT Four Corners Property Trust Add +5.7% 0.05% −0.00
HES Hess Corp. Add +2.3% 1.05% −0.00
FHI Federated Hermes Inc. Add +1.4% 1.02% −0.00
PAYX Paychex Inc. Add +3.1% 0.52% −0.01

Options Activity Q4 2023 → Q1 2024
POST Post Holdings Inc. put New 194,200 $20.6M
APH Amphenol Corp. Class A put New 82,000 $9.5M
BAC Bank of America Corp. put New 160,000 $6.1M
LOW Lowe's Cos Inc. put New 19,500 $5.0M
SYY Sysco Corp. put Sold out 65,000 $4.8Mbefore exit
PRU Prudential Financial Inc. put New 40,000 $4.7M
GS Goldman Sachs Group Inc. call Sold out 6,100 $2.4Mbefore exit

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

Notes & Other Activity Q4 2023 → Q1 2024
AKAMAI TECHNOLOGIES INC (AKAM 0.375 09/01/27) NOTE 0.375% 9/0 · principal Add +9.1% 1,200,000 $1.3M
DROPBOX INC (DBX 0 03/01/28) NOTE 3/0 · principal Add +18.2% 1,300,000 $1.2M
HALOZYME THERAPEUTICS IN (HALO 1 08/15/28) NOTE 1.000% 8/1 · principal New 1,000,000 $972K
ZILLOW GROUP INC (Z 2.75 05/15/25) NOTE 2.750% 5/1 · principal Sold out 700,000 $769Kbefore exit
NUVASIVE INC (GMED 0.375 03/15/25) NOTE 0.375% 3/1 · principal New 600,000 $571K
ARRAY TECHNOLOGIES INC (ARRY 1 12/01/28) NOTE 1.000%12/0 · principal New 500,000 $462K

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