Arch Capital Group Ltd.
US ˙ NasdaqGS ˙ BMG0450A1053

SecurityACGL / Arch Capital Group Ltd.
InstitutionGreenleaf Trust
Latest Disclosed Ownership2,464 shares
Latest Disclosed Value $ 236,519
Greenleaf Trust reports 3.05% increase in ownership of ACGL / Arch Capital Group Ltd.

On April 27, 2026 - Greenleaf Trust filed a 13F-HR form disclosing ownership of 2,464 shares of Arch Capital Group Ltd. (US:ACGL) valued at $236,519 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 21, 2026 disclosing 2,391 shares of Arch Capital Group Ltd.. This represents a change in shares of 3.05% during the quarter. The current value of the position is $216,561 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.

Upgrade to unlock premium data and export to Excel .

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)
2026-04-27 2026-03-31 13F Arch Capital Group Com G0450A105 2,464 73 3.05 237 3.06 0.0013
2026-01-21 2025-12-31 13F Arch Capital Group Com G0450A105 2,391 -912 -27.61 229 -23.41 0.0021
2025-10-22 2025-09-30 13F Arch Capital Group Com G0450A105 3,303 221 7.17 300 6.79 0.0027
2025-07-17 2025-06-30 13F Arch Capital Group Com G0450A105 3,082 125 4.23 281 -1.41 0.0025
2025-04-30 2025-03-31 13F Arch Capital Group Com G0450A105 2,957 461 18.47 284 23.48 0.0026
2025-01-24 2024-12-31 13F Arch Capital Group ORD G0450A105 2,496 -312 -11.11 231 -26.75 0.0021
2024-10-22 2024-09-30 13F Arch Capital Group ORD G0450A105 2,808 254 9.95 314 22.18 0.0028
2024-07-22 2024-06-30 13F Arch Capital Group ORD G0450A105 2,554 2,554 258 0.0024
2018-10-29 2018-09-30 13F Arch Capital Group ORD G0450A105 0 -115,824 -100.00 0 -100.00
2018-08-07 2018-06-30 13F Arch Capital Group ORD G0450A105 115,824 77,265 200.38 3,065 -7.12 0.0584
2018-04-30 2018-03-31 13F Arch Capital Group ORD G0450A105 38,559 4,428 12.97 3,300 6.52 0.0655
2018-02-08 2017-12-31 13F Arch Capital Group ORD G0450A105 34,131 2,198 6.88 3,098 -1.49 0.0628
2017-11-13 2017-09-30 13F Arch Capital Group ORD G0450A105 31,933 -50 -0.16 3,145 5.40 0.0690
2017-07-24 2017-06-30 13F Arch Capital Group ORD G0450A105 31,983 -915 -2.78 2,984 -4.30 0.0681
2017-04-28 2017-03-31 13F Arch Capital Group ORD G0450A105 32,898 32,898 3,118 0.0750
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.