Capital One Financial Corporation
MX ˙ BMV ˙ US14040H1059
SecurityMX:COF / Capital One Financial Corporation
InstitutionRosenberg Matthew Hamilton
Latest Disclosed Ownership1,551 shares
Latest Disclosed Value $ 282,949
Rosenberg Matthew Hamilton ownership in COF / Capital One Financial Corporation

On April 6, 2026 - Rosenberg Matthew Hamilton filed a 13F-HR form disclosing ownership of 1,551 shares of Capital One Financial Corporation (MX:COF) valued at $282,949 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 5, 2026 disclosing 1,551 shares of Capital One Financial Corporation. This represents a change in shares of 0.00% 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)
2026-04-06 2026-03-31 13F CAPITAL ONE FINL CORP COM Stock 14040H105 1,551 0 0.00 283 -24.80 0.0580
2026-01-05 2025-12-31 13F CAPITAL ONE FINL CORP COM Stock 14040H105 1,551 0 0.00 376 13.98 0.0779
2025-11-10 2025-09-30 13F CAPITAL ONE FINL CORP COM Stock 14040H105 1,551 0 0.00 330 0.00 0.0713
2025-07-28 2025-06-30 13F CAPITAL ONE FINL CORP COM Stock 14040H105 1,551 5 0.32 330 18.77 0.0767
2025-04-28 2025-03-31 13F CAPITAL ONE FINL CORP COM Stock 14040H105 1,546 47 3.14 277 3.75 0.0695
2025-01-14 2024-12-31 13F CAPITAL ONE FINL CORP COM Stock 14040H105 1,499 28 1.90 267 21.36 0.0695
2024-10-28 2024-09-30 13F CAPITAL ONE FINL CORP COM Stock 14040H105 1,471 0 0.00 220 7.32 0.0576
2024-07-26 2024-06-30 13F CAPITAL ONE FINL CORP COM Stock 14040H105 1,471 0 0.00 205 -3.76 0.0607
2024-04-22 2024-03-31 13F CAPITAL ONE FINL CORP COM Stock 14040H105 1,471 0 0.00 214 10.94 0.0618
2024-01-16 2023-12-31 13F CAPITAL ONE FINL CORP COM Stock 14040H105 1,471 0 0.00 193 35.21 0.0593
2023-10-11 2023-09-30 13F CAPITAL ONE FINL CORP COM Stock 14040H105 1,471 0 0.00 143 -11.25 0.0476
2023-07-26 2023-06-30 13F CAPITAL ONE FINL CORP COM Stock 14040H105 1,471 0 0.00 161 13.48 0.0544
2023-04-17 2023-03-31 13F CAPITAL ONE FINL CORP COM Stock 14040H105 1,471 0 0.00 141 3.68 0.0456
2023-01-19 2022-12-31 13F CAPITAL ONE FINL CORP COM Stock 14040H105 1,471 -69 -4.48 137 -4.23 0.0463
2022-10-21 2022-09-30 13F CAPITAL ONE FINL CORP COM Stock 14040H105 1,540 0 0.00 142 -13.94 0.0549
2022-07-15 2022-06-30 13F CAPITAL ONE FINL CORP COM Stock 14040H105 1,540 0 0.00 165 -18.32 0.0622
2022-04-14 2022-03-31 13F CAPITAL ONE FINL CORP COM Stock 14040H105 1,540 69 4.69 202 -5.16 0.0707
2022-01-20 2021-12-31 13F CAPITAL ONE FINL COM 14040H105 1,471 0 0.00 213 -10.50 0.0758
2021-10-12 2021-09-30 13F CAPITAL ONE FINL COM 14040H105 1,471 53 3.74 238 8.68 0.0940
2021-07-26 2021-06-30 13F CAPITAL ONE FINL COM 14040H105 1,418 0 0.00 219 21.67 0.1140
2021-04-30 2021-03-31 13F CAPITAL ONE FINL COM 14040H105 1,418 0 0.00 180 28.57 0.1027
2021-02-03 2020-12-31 13F CAPITAL ONE FINL COM 14040H105 1,418 0 0.00 140 37.25 0.0874
2020-10-16 2020-09-30 13F CAPITAL ONE FINL COM 14040H105 1,418 0 0.00 102 14.61 0.0749
2020-08-04 2020-06-30 13F CAPITAL ONE FINL COM 14040H105 1,418 498 54.13 89 89.36 0.0709
2020-05-14 2020-03-31 13F CAPITAL ONE FINL COM 14040H105 920 920 47 0.0467
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.