WR 버클리 공사
MX ˙ BMV ˙ US0844231029
SecurityMX:WRB / W. R. Berkley Corporation
InstitutionSepio Capital, LP
Latest Disclosed Ownership16,542 shares
Latest Disclosed Value $ 1,096,404
Sepio Capital, LP reports 13.96% increase in ownership of WRB / W. R. Berkley Corporation

On May 13, 2026 - Sepio Capital, LP filed a 13F-HR form disclosing ownership of 16,542 shares of W. R. Berkley Corporation (MX:WRB) valued at $1,096,404 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 14,516 shares of W. R. Berkley Corporation. This represents a change in shares of 13.96% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-13 2026-03-31 13F BERKLEY W R COM 084423102 16,542 2,026 13.96 1,096 7.77 0.0595
2026-02-12 2025-12-31 13F BERKLEY W R COM 084423102 14,516 -4,315 -22.91 1,018 -29.47 0.0557
2025-11-13 2025-09-30 13F BERKLEY W R COM 084423102 18,831 938 5.24 1,443 9.74 0.0854
2025-08-13 2025-06-30 13F BERKLEY W R COM 084423102 17,893 -29,327 -62.11 1,315 -60.89 0.0936
2025-05-15 2025-03-31 13F BERKLEY W R COM 084423102 47,220 -681 -1.42 3,360 19.87 0.2660
2025-02-13 2024-12-31 13F BERKLEY W R COM 084423102 47,901 -756 -1.55 2,803 1.56 0.2243
2024-11-14 2024-09-30 13F BERKLEY W R COM 084423102 48,657 16,217 49.99 2,760 8.28 0.2149
2024-08-15 2024-06-30 13F BERKLEY W R COM 084423102 32,440 -582 -1.76 2,549 -12.71 0.2337
2024-05-15 2024-03-31 13F BERKLEY W R COM 084423102 33,022 -4,726 -12.52 2,920 9.40 0.2505
2024-02-09 2023-12-31 13F BERKLEY W R COM 084423102 37,748 -1,409 -3.60 2,670 7.36 0.2243
2023-11-08 2023-09-30 13F BERKLEY W R COM 084423102 39,157 0 0.00 2,486 6.60 0.2147
2023-08-08 2023-06-30 13F BERKLEY W R COM 084423102 39,157 -1,077 -2.68 2,332 -6.87 0.1894
2023-05-10 2023-03-31 13F BERKLEY W R COM 084423102 40,234 -1,389 -3.34 2,505 -17.09 0.2310
2023-02-03 2022-12-31 13F BERKLEY W R COM 084423102 41,623 -1,308 -3.05 3,021 8.95 0.2610
2022-10-28 2022-09-30 13F BERKLEY W R COM 084423102 42,931 -4,643 -9.76 2,772 -14.63 0.2752
2022-07-26 2022-06-30 13F BERKLEY W R COM 084423102 47,574 -1,934 -3.91 3,247 -1.52 0.3262
2022-05-09 2022-03-31 13F BERKLEY W R COM 084423102 49,508 1,650 3.45 3,297 -16.38 0.2892
2022-01-25 2021-12-31 13F BERKLEY W R COM 084423102 47,858 -2,750 -5.43 3,943 6.48 0.2913
2021-11-03 2021-09-30 13F BERKLEY W R COM 084423102 50,608 -770 -1.50 3,703 -3.16 0.3052
2021-07-29 2021-06-30 13F/A-1 BERKLEY W R COM 084423102 51,378 -26 -0.05 3,824 -1.27 0.3150
2021-07-26 2021-06-30 13F BERKLEY W R COM 084423102 51,378 -26 3,824 0.3297
2021-05-10 2021-03-31 13F BERKLEY W R COM 084423102 51,404 2,530 5.18 3,873 19.32 0.3567
2021-02-10 2020-12-31 13F BERKLEY W R COM 084423102 48,874 3,080 6.73 3,246 15.93 0.2802
2020-11-12 2020-09-30 13F BERKLEY W R COM 084423102 45,794 0 0.00 2,800 6.71 0.3041
2020-08-04 2020-06-30 13F BERKLEY W R COM 084423102 45,794 9,145 24.95 2,624 37.24 0.3082
2020-04-29 2020-03-31 13F BERKLEY W R COM 084423102 36,649 -83 -0.23 1,912 -24.67 0.2532
2020-02-06 2019-12-31 13F BERKLEY W R COM 084423102 36,732 -1,639 -4.27 2,538 -8.44 0.2401
2019-10-25 2019-09-30 13F BERKLEY W R COM 084423102 38,371 2,334 6.48 2,772 16.67 0.2860
2019-08-08 2019-06-30 13F BERKLEY W R COM 084423102 36,037 10,911 43.43 2,376 11.60 0.3208
2019-06-21 2019-03-31 13F/A-1 BERKLEY W R COM 084423102 25,126 3,265 14.94 2,129 31.75 0.2873
2019-05-14 2019-03-31 13F BERKLEY W R COM 084423102 25,126 3,265 2,129 0.3148
2019-02-13 2018-12-31 13F W R BERKLEY COM 084423102 21,861 21,861 1,616 0.1175
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.