詹姆斯河集團控股有限公司

SecurityJRVR / James River Group Holdings, Inc.
InstitutionQUANTITATIVE MASTER SERIES LLC - Master Small Cap Index Series
Latest Disclosed Ownership63,900 shares
Latest Disclosed Value $ 374,454
QUANTITATIVE MASTER SERIES LLC - Master Small Cap Index Series ownership in JRVR / James River Group Holdings, Inc.

On August 26, 2025 - QUANTITATIVE MASTER SERIES LLC - Master Small Cap Index Series filed a NPORT-P form disclosing ownership of 63,900 shares of James River Group Holdings, Inc. (US:JRVR) valued at $374,454 USD as of June 30, 2025. The entity filed a previous NPORT-P on May 28, 2025 disclosing 63,900 shares of James River Group Holdings, Inc.. This represents a change in shares of 0.00% during the quarter. The current value of the position is $253,044 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)
2025-08-26 2025-06-30 NP James River Group Holdings EC BMG5005R1079 63,900 0 0.00 374 39.55 0.0084
2025-05-28 2025-03-31 NP James River Group Holdings EC BMG5005R1079 63,900 12,447 24.19 268 7.20 0.0064
2025-02-25 2024-12-31 NP James River Group Holdings EC BMG5005R1079 51,453 -10,598 -17.08 251 -35.73 0.0055
2024-11-26 2024-09-30 NP James River Group Holdings EC BMG5005R1079 62,051 -9,163 -12.87 389 -29.27 0.0074
2024-08-26 2024-06-30 NP James River Group Holdings EC BMG5005R1079 71,214 5,357 8.13 550 -10.13 0.0112
2024-05-28 2024-03-31 NP James River Group Holdings EC BMG5005R1079 65,857 0 0.00 612 0.66 0.0128
2024-02-26 2023-12-31 NP James River Group Holdings EC BMG5005R1079 65,857 17,168 35.26 609 -18.61 0.0130
2023-11-28 2023-09-30 NP James River Group Holdings EC BMG5005R1079 48,689 0 0.00 747 -15.97 0.0195
2023-08-25 2023-06-30 NP James River Group Holdings EC BMG5005R1079 48,689 0 0.00 889 -11.54 0.0211
2023-05-26 2023-03-31 NP James River Group Holdings EC BMG5005R1079 48,689 0 0.00 1,005 -1.28 0.0268
2023-02-24 2022-12-31 NP James River Group Holdings EC BMG5005R1079 48,689 0 0.00 1,018 -8.29 0.0280
2022-11-25 2022-09-30 NP James River Group Holdings EC BMG5005R1079 48,689 0 0.00 1,111 -7.96 0.0318
2022-08-25 2022-06-30 NP James River Group Holdings EC BMG5005R1079 48,689 0 0.00 1,207 0.17 0.0333
2022-05-26 2022-03-31 NP James River Group Holdings EC BMG5005R1079 48,689 0 0.00 1,205 -14.12 0.0281
2022-02-25 2021-12-31 NP James River Group Holdings EC BMG5005R1079 48,689 0 0.00 1,403 -23.68 0.0304
2021-11-24 2021-09-30 NP James River Group Holdings EC BMG5005R1079 48,689 0 0.00 1,837 0.60 0.0405
2021-08-26 2021-06-30 NP James River Group Holdings EC BMG5005R1079 48,689 2,038 4.37 1,827 -14.19 0.0392
2021-05-27 2021-03-31 NP James River Group Holdings EC BMG5005R1079 46,651 0 0.00 2,128 -7.16 0.0483
2021-02-25 2020-12-31 NP James River Group Holdings EC BMG5005R1079 46,651 -3,256 -6.52 2,293 3.15 0.0587
2020-11-25 2020-09-30 NP James River Group Holdings EC BMG5005R1079 49,907 0 0.00 2,222 -1.02 0.0713
2020-08-27 2020-06-30 NP James River Group Holdings EC BMG5005R1079 49,907 1,224 2.51 2,246 27.27 0.0734
2020-06-01 2020-03-31 NP James River Group Holdings EC BMG5005R1079 48,683 8,112 19.99 1,764 -15.11 0.0721
2019-11-27 2019-09-30 NP James River Group Holdings EC BMG5005R1079 40,571 40,571 2,079 0.0687
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.