Arch Capital Group Ltd.
US ˙ NasdaqGS ˙ BMG0450A1053

SecurityACGL / Arch Capital Group Ltd.
InstitutionBessemer Group Inc
Latest Disclosed Ownership31,119 shares
Latest Disclosed Value $ 2,988
Bessemer Group Inc reports 1.08% decrease in ownership of ACGL / Arch Capital Group Ltd.

On May 6, 2026 - Bessemer Group Inc filed a 13F-HR form disclosing ownership of 31,119 shares of Arch Capital Group Ltd. (US:ACGL) valued at $2,987,113 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 5, 2026 disclosing 31,458 shares of Arch Capital Group Ltd.. This represents a change in shares of -1.08% during the quarter. The current value of the position is $2,837,742 USD.

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)
2026-05-06 2026-03-31 13F ARCH CAPITAL GROUP SNC G0450A105 31,119 -339 -1.08 3 -33.33 0.0047
2026-02-05 2025-12-31 13F ARCH CAPITAL GROUP SNC G0450A105 31,458 25 0.08 3 50.00 0.0046
2025-11-05 2025-09-30 13F ARCH CAPITAL GROUP SNC G0450A105 31,433 -4,978 -13.67 3 -33.33 0.0044
2025-08-01 2025-06-30 13F ARCH CAPITAL GROUP SNC G0450A105 36,411 1,241 3.53 3 0.00 0.0054
2025-04-23 2025-03-31 13F ARCH CAPITAL GROUP SNC G0450A105 35,170 635 1.84 3 0.00 0.0061
2025-02-13 2024-12-31 13F ARCH CAPITAL GROUP SNC G0450A105 34,535 -2,848 -7.62 3 -25.00 0.0052
2024-11-12 2024-09-30 13F ARCH CAPITAL GROUP SNC G0450A105 37,383 1,758 4.93 4 33.33 0.0069
2024-08-13 2024-06-30 13F ARCH CAPITAL GROUP SNC G0450A105 35,625 -249 -0.69 4 0.00 0.0063
2024-08-13 2024-03-31 13F/A-1 ARCH CAPITAL GROUP SNC G0450A105 35,874 1,390 4.03 3 50.00 0.0060
2024-05-13 2024-03-31 13F ARCH CAPITAL GROUP SNC G0450A105 35,874 1,390 3 0.0060
2024-02-09 2023-12-31 13F ARCH CAPITAL GROUP SNC G0450A105 34,484 1,276 3.84 3 0.00 0.0050
2023-11-13 2023-09-30 13F ARCH CAPITAL GROUP SNC G0450A105 33,208 1,441 4.54 3 0.00 0.0058
2023-08-10 2023-06-30 13F ARCH CAPITAL GROUP SNC G0450A105 31,767 8,255 35.11 2 100.00 0.0050
2023-05-10 2023-03-31 13F ARCH CAPITAL GROUP SNC G0450A105 23,512 23,152 6,431.11 2 0.0038
2023-02-13 2022-12-31 13F ARCH CAPITAL GROUP SNC G0450A105 360 0 0.00 0 -100.00 0.0001
2022-11-09 2022-09-30 13F ARCH CAPITAL GROUP SNC G0450A105 360 -10 -2.70 16 0.00 0.0000
2022-08-10 2022-06-30 13F ARCH CAPITAL GROUP SN G0450A105 370 -40 -9.76 16 -15.79 0.0000
2022-05-12 2022-03-31 13F ARCH CAPITAL GROUP SN G0450A105 410 -220 -34.92 19 -32.14 0.0000
2022-01-27 2021-12-31 13F ARCH CAPITAL GROUP SN G0450A105 630 0 0.00 28 16.67 0.0001
2021-11-12 2021-09-30 13F ARCH CAPITAL GROUP SN G0450A105 630 270 75.00 24 71.43 0.0001
2021-08-06 2021-06-30 13F ARCH CAPITAL GROUP SN G0450A105 360 -978 -73.09 14 -72.55 0.0000
2021-05-13 2021-03-31 13F ARCH CAPITAL GROUP SN G0450A105 1,338 541 67.88 51 75.86 0.0001
2021-02-09 2020-12-31 13F ARCH CAPITAL GROUP SN G0450A105 797 437 121.39 29 163.64 0.0001
2020-11-12 2020-09-30 13F ARCH CAPITAL GROUP SN G0450A105 360 0 0.00 11 10.00 0.0000
2020-08-05 2020-06-30 13F ARCH CAPITAL GROUP SN G0450A105 360 -21 -5.51 10 -9.09 0.0000
2020-04-30 2020-03-31 13F ARCH CAPITAL GROUP SN G0450A105 381 21 5.83 11 -26.67 0.0000
2020-02-04 2019-12-31 13F ARCH CAPITAL GROUP SN G0450A105 360 0 0.00 15 0.00 0.0000
2019-11-07 2019-09-30 13F ARCH CAPITAL GROUP SN G0450A105 360 0 0.00 15 15.38 0.0001
2019-07-19 2019-06-30 13F ARCH CAPITAL GROUP SN G0450A105 360 0 0.00 13 8.33 0.0000
2019-05-13 2019-03-31 13F ARCH CAPITAL GROUP SN G0450A105 360 -232 -39.19 12 -25.00 0.0000
2019-05-21 2018-12-31 13F/A-1 ARCH CAPITAL GROUP SN G0450A105 592 0 0.00 16 -11.11 0.0001
2019-02-12 2018-12-31 13F ARCH CAPITAL GROUP SN G0450A105 592 0 16 0.0001
2018-11-06 2018-09-30 13F ARCH CAPITAL GROUP SN G0450A105 592 592 18 0.0001
2016-05-11 2016-03-31 13F ARCH CAPITAL GROUP SNC G0450A105 0 -825 -100.00 0 -100.00
2016-02-12 2015-12-31 13F ARCH CAPITAL GROUP SNC G0450A105 825 0 0.00 58 -4.92 0.0003
2015-11-16 2015-09-30 13F ARCH CAPITAL GROUP SNC G0450A105 825 825 61 0.0003
2014-11-13 2014-09-30 13F ARCH CAPITAL GROUP SNC G0450A105 0 -23,239 -100.00 0 -100.00
2014-08-13 2014-06-30 13F ARCH CAPITAL GROUP SNC G0450A105 23,239 0 0.00 1,335 -0.15 0.0082
2014-05-14 2014-03-31 13F ARCH CAPITAL GROUP SNC G0450A105 23,239 -56,945 -71.02 1,337 -72.07 0.0090
2014-02-18 2013-12-31 13F ARCH CAPITAL GROUP SNC G0450A105 80,184 -879 -1.08 4,787 9.09 0.0343
2013-11-08 2013-09-30 13F ARCH CAPITAL GROUP SNC G0450A105 81,063 431 0.53 4,388 5.86 0.0356
2013-08-14 2013-06-30 13F ARCH CAPITAL GROUP SNC G0450A105 80,632 80,632 4,145 0.0372
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.