Institutional Manager · CIK 0001080380
PROSPECTOR PARTNERS LLC
GUILFORD, CT · File #028-04685
Latest AUM
$46.7M
Positions
16
Top-10 Concentration
86.6%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| EXITED | GLOBE LIFE INC | 37959E102 | -198,742 | -$28.4M | $0 |
| REDUCE | BERKSHIRE HATHAWAY INC DEL | BRK-A | -55,810 | -$28.1M | -$5,833 |
| EXITED | PNC FINL SVCS GROUP INC | 693475105 | -126,681 | -$25.5M | $0 |
| EXITED | EATON CORP PLC | G29183103 | -62,046 | -$23.2M | $0 |
| REDUCE | BROWN & BROWN INC | BRO | -269,746 | -$21.5M | -$4.0M |
| EXITED | SOUTHSTATE BK CORP | 84472E102 | -216,967 | -$21.5M | $0 |
| EXITED | LITTELFUSE INC | 537008104 | -81,670 | -$21.2M | $0 |
| EXITED | EVEREST GROUP LTD | G3223R108 | -59,814 | -$20.9M | $0 |
| EXITED | CACI INTL INC | 127190304 | -38,144 | -$19.0M | $0 |
| EXITED | PROSPERITY BANCSHARES INC | 743606105 | -281,703 | -$18.7M | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202516 pos · $46.7M
- 13F HOLDINGS REPORTQ/E Sep 202592 pos · $836.9M
- 13F HOLDINGS REPORTQ/E Jun 202594 pos · $874.8M
- 13F HOLDINGS REPORTQ/E Mar 202593 pos · $887.4M
- 13F HOLDINGS REPORTQ/E Dec 202495 pos · $901.3M
- 13F HOLDINGS REPORTQ/E Sep 202497 pos · $955.9M
- 13F HOLDINGS REPORTQ/E Jun 202498 pos · $894.6M
- 13F HOLDINGS REPORTQ/E Mar 202498 pos · $909.5M
- 13F HOLDINGS REPORTQ/E Dec 202395 pos · $742.7M
Top 16 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | EXXON MOBIL CORP | XOM | 46,459 | $5.6M | 11.97% |
| 2 | PROGRESSIVE CORP | 743315103 | 21,290 | $4.8M | 10.38% |
| 3 | MICROSOFT CORP | MSFT | 9,685 | $4.7M | 10.03% |
| 4 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 9,000 | $4.5M | 9.69% |
| 5 | PJT PARTNERS INC | PJT | 26,800 | $4.5M | 9.60% |
| 6 | RTX CORPORATION | RTX | 23,160 | $4.2M | 9.10% |
| 7 | HOME DEPOT INC | HD | 10,849 | $3.7M | 7.99% |
| 8 | AGNICO EAGLE MINES LTD | AEM | 21,100 | $3.6M | 7.66% |
| 9 | ALPHABET INC | GOOG | 9,240 | $2.9M | 6.19% |
| 10 | PRIMERICA INC | PRI | 7,245 | $1.9M | 4.01% |
| 11 | CBOE GLOBAL MKTS INC | 12503M108 | 5,775 | $1.4M | 3.10% |
| 12 | CAPITAL CITY BK GROUP INC | 139674105 | 24,510 | $1.0M | 2.23% |
| 13 | WHITE MTNS INS GROUP LTD | G9618E107 | 490 | $1.0M | 2.18% |
| 14 | AMERIS BANCORP | ABCB | 13,281 | $986,380 | 2.11% |
| 15 | BROWN & BROWN INC | BRO | 11,876 | $946,517 | 2.03% |
| 16 | GALLAGHER ARTHUR J & CO | 363576109 | 3,120 | $807,425 | 1.73% |