Ownership history in Port Capital LLC · 32 quarters on record
This page tracks every 13F SEC filing in which Port Capital LLC reported a position in ARCH CAP GROUP LTD ORD (ACGL). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q4 | REDUCED | 572,792 | -77,480 | -11.9% | 2.37% | $54.9M | $95.92 |
| 2025 Q3 | REDUCED | 650,272 | -1,374 | -0.2% | 2.46% | $59.0M | $90.73 |
| 2025 Q2 | ADDED | 651,646 | +7,500 | +1.2% | 2.52% | $59.3M | $91.05 |
| 2025 Q1 | REDUCED | 644,146 | -5,494 | -0.8% | 2.81% | $62.0M | $96.18 |
| 2024 Q4 | ADDED | 649,640 | +3,497 | +0.5% | 2.74% | $60.0M | $92.35 |
| 2024 Q3 | ADDED | 646,143 | +4,654 | +0.7% | 3.24% | $72.3M | $106.39 |
| 2024 Q2 | ADDED | 641,489 | +25,129 | +4.1% | 3.24% | $64.7M | $95.94 |
| 2024 Q1 | REDUCED | 616,360 | -5,580 | -0.9% | 2.86% | $57.0M | $87.90 |
| 2023 Q4 | ADDED | 621,940 | +1,849 | +0.3% | 2.58% | $46.2M | $70.62 |
| 2023 Q3 | REDUCED | 620,091 | -339 | -0.1% | 3.08% | $49.4M | $75.80 |
As of 2025 Q4 — sorted by position size