Capital One Financial Corporation
MX ˙ BMV ˙ US14040H1059
SecurityMX:COF / Capital One Financial Corporation
InstitutionAdage Capital Partners Gp, L.l.c.
ManagerPhil Gross, Robert Atchinson
Latest Disclosed Ownership481,028 shares
Latest Disclosed Value $ 87,753,938
Adage Capital Partners Gp, L.l.c. ownership in COF / Capital One Financial Corporation

On May 15, 2026 - Adage Capital Partners Gp, L.l.c. filed a 13F-HR form disclosing ownership of 481,028 shares of Capital One Financial Corporation (MX:COF) valued at $87,753,938 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 548,928 shares of Capital One Financial Corporation. This represents a change in shares of -12.37% during the quarter.

Adage Capital Partners Gp, L.l.c. has a history of taking positions in derivatives of the underlying security (COF) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

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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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

MX:COF / Capital One Financial Corporation Historical Put/Call Ratio
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)
2026-05-15 2026-03-31 13F CAPITAL ONE FINL COM 14040H105 481,028 -67,900 -12.37 87,754 -34.04 0.1353
2026-02-17 2025-12-31 13F CAPITAL ONE FINL COM 14040H105 548,928 -16,600 -2.94 133,038 10.66 0.2013
2025-11-14 2025-09-30 13F CAPITAL ONE FINL COM 14040H105 565,528 -300 -0.05 120,220 -0.14 0.1904
2025-08-14 2025-06-30 13F CAPITAL ONE FINL COM 14040H105 565,828 565,828 120,386 0.2029
2025-05-15 2025-03-31 13F CAPITAL ONE FINL COM 14040H105 0 -78,522 -100.00 0 -100.00
2025-02-14 2024-12-31 13F CAPITAL ONE FINL COM 14040H105 78,522 -28,683 -26.76 14,002 -12.77 0.0245
2024-11-14 2024-09-30 13F CAPITAL ONE FINL COM 14040H105 107,205 3,288 3.16 16,052 11.57 0.0283
2024-08-14 2024-06-30 13F CAPITAL ONE FINL COM 14040H105 103,917 79,083 318.45 14,387 289.15 0.0266
2024-05-15 2024-03-31 13F CAPITAL ONE FINL COM 14040H105 24,834 -345,040 -93.29 3,698 -92.38 0.0070
2024-02-14 2023-12-31 13F CAPITAL ONE FINL COM 14040H105 369,874 40,500 12.30 48,498 51.72 0.1004
2023-11-14 2023-09-30 13F CAPITAL ONE FINL COM 14040H105 329,374 -51,100 -13.43 31,966 -23.18 0.0725
2023-08-14 2023-06-30 13F CAPITAL ONE FINL COM 14040H105 380,474 -1,400 -0.37 41,612 13.32 0.0904
2023-05-15 2023-03-31 13F CAPITAL ONE FINL COM 14040H105 381,874 -6,500 -1.67 36,721 1.71 0.0824
2023-02-14 2022-12-31 13F CAPITAL ONE FINL COM 14040H105 388,374 -2,800 -0.72 36,103 0.13 0.0864
2022-11-14 2022-09-30 13F CAPITAL ONE FINL COM 14040H105 391,174 -18,300 -4.47 36,055 -15.49 0.0894
2022-08-15 2022-06-30 13F CAPITAL ONE FINL COM 14040H105 409,474 300 0.07 42,663 -20.58 0.0978
2022-05-16 2022-03-31 13F CAPITAL ONE FINL COM 14040H105 409,174 -18,300 -4.28 53,720 -13.39 0.1020
2022-02-14 2021-12-31 13F CAPITAL ONE FINL COM 14040H105 427,474 -133,900 -23.85 62,022 -31.79 0.1117
2021-11-15 2021-09-30 13F CAPITAL ONE FINL COM 14040H105 561,374 -144,900 -20.52 90,926 -16.78 0.1791
2021-08-16 2021-06-30 13F CAPITAL ONE FINL COM 14040H105 706,274 -52,500 -6.92 109,254 13.17 0.2139
2021-05-17 2021-03-31 13F CAPITAL ONE FINL COM 14040H105 758,774 -672,311 -46.98 96,539 -31.76 0.1971
2021-02-16 2020-12-31 13F CAPITAL ONE FINL COM 14040H105 1,431,085 704,926 97.08 141,463 171.10 0.3084
2020-11-16 2020-09-30 13F CAPITAL ONE FINL COM 14040H105 726,159 -522,970 -41.87 52,182 -33.26 0.1306
2020-08-14 2020-06-30 13F CAPITAL ONE FINL COM 14040H105 1,249,129 -1,119,248 -47.26 78,183 -34.53 0.2002
2020-05-15 2020-03-31 13F CAPITAL ONE FINL COM 14040H105 2,368,377 1,423,895 150.76 119,414 22.86 0.3566
2020-02-14 2019-12-31 13F CAPITAL ONE FINL COM 14040H105 944,482 -5,800 -0.61 97,197 12.42 0.2387
2019-11-14 2019-09-30 13F CAPITAL ONE FINL COM 14040H105 950,282 279,700 41.71 86,457 42.08 0.2123
2019-08-14 2019-06-30 13F CAPITAL ONE FINL COM 14040H105 670,582 85,500 14.61 60,849 27.31 0.1515
2019-05-15 2019-03-31 13F CAPITAL ONE FINL COM 14040H105 585,082 -339,400 -36.71 47,795 -31.61 0.1195
2019-02-14 2018-12-31 13F CAPITAL ONE FINL COM 14040H105 924,482 -74,700 -7.48 69,882 -26.33 0.1936
2018-11-14 2018-09-30 13F CAPITAL ONE FINL COM 14040H105 999,182 -76,800 -7.14 94,852 -4.08 0.2116
2018-08-14 2018-06-30 13F CAPITAL ONE FINL COM 14040H105 1,075,982 25,100 2.39 98,883 -1.80 0.2264
2018-05-15 2018-03-31 13F CAPITAL ONE FINL COM 14040H105 1,050,882 221,800 26.75 100,696 21.97 0.2343
2018-02-14 2017-12-31 13F CAPITAL ONE FINL COM 14040H105 829,082 -353,200 -29.87 82,560 -17.52 0.1867
2017-11-14 2017-09-30 13F CAPITAL ONE FINL COM 14040H105 1,182,282 -787,200 -39.97 100,092 -38.49 0.2432
2017-08-14 2017-06-30 13F CAPITAL ONE FINL COM 14040H105 1,969,482 1,239,400 169.76 162,719 157.19 0.3982
2017-05-15 2017-03-31 13F CAPITAL ONE FINL COM 14040H105 730,082 -1,022,418 -58.34 63,269 -20.11 0.1595
2017-02-14 2016-12-31 13F CAPITAL ONE FINL *W EXP 11/14/201 14040H139 1,752,500 0 0.00 79,195 48.50 0.2163
2017-02-14 2016-12-31 13F CAPITAL ONE FINL COM 14040H105 131,812 81,812 11,499 0.0314
2016-11-14 2016-09-30 13F CAPITAL ONE FINL *W EXP 11/14/201 14040H139 1,752,500 0 0.00 53,329 27.64 0.1469
2016-11-14 2016-09-30 13F CAPITAL ONE FINL COM 14040H105 50,000 -1,702,500 3,592 0.0099
2016-08-15 2016-06-30 13F CAPITAL ONE FINL *W EXP 11/14/201 14040H139 1,752,500 0 0.00 41,780 -16.64 0.1140
2016-05-16 2016-03-31 13F CAPITAL ONE FINL *W EXP 11/14/201 14040H139 1,752,500 0 0.00 50,122 -8.77 0.1359
2016-02-16 2015-12-31 13F CAPITAL ONE FINL *W EXP 11/14/201 14040H139 1,752,500 0 0.00 54,941 -1.10 0.1440
2015-11-16 2015-09-30 13F CAPITAL ONE FINL *W EXP 11/14/201 14040H139 1,752,500 0 0.00 55,554 -31.10 0.1542
2015-08-14 2015-06-30 13F CAPITAL ONE FINL *W EXP 11/14/201 14040H139 1,752,500 0 0.00 80,633 24.22 0.2011
2015-05-15 2015-03-31 13F CAPITAL ONE FINL *W EXP 11/14/201 14040H139 1,752,500 1,752,500 0.00 64,913 0.1582
2014-11-14 2014-09-30 13F CAPITAL ONE FINL COM 14040H105 0 -1,752,500 -100.00 0 -100.00
2014-08-14 2014-06-30 13F CAPITAL ONE FINL *W EXP 11/14/201 14040H139 1,752,500 0 0.00 70,731 14.17 0.1828
2014-08-14 2014-06-30 13F CAPITAL ONE FINL COM 14040H105 61,600 -1,690,900 5,088 0.0131
2014-05-15 2014-03-31 13F CAPITAL ONE FINL *W EXP 11/14/201 14040H139 1,752,500 0 0.00 61,951 -0.25 0.1692
2014-02-14 2013-12-31 13F CAPITAL ONE FINL *W EXP 11/14/201 14040H139 1,752,500 1,602,500 1,068.33 62,109 502.36 0.1645
2014-02-14 2013-12-31 13F CAPITAL ONE FINL COM 14040H105 230,000 80,000 17,620 0.0467
2013-11-14 2013-09-30 13F CAPITAL ONE FINL COM 14040H105 150,000 143,400 2,172.73 10,311 2,384.58 0.0296
2013-08-14 2013-06-30 13F CAPITAL ONE FINL COM 14040H105 6,600 6,600 415 0.0013
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2015-05-15 2015-03-31 13F CAPITAL ONE FINL *W EXP 11/14/201 Call 0 -100.00 0 -100.00 n/a n/a n/a
2015-02-17 2014-12-31 13F CAPITAL ONE FINL *W EXP 11/14/201 Call 1,752,500 0.00 72,045 2.67 n/a n/a n/a
2014-11-14 2014-09-30 13F CAPITAL ONE FINL *W EXP 11/14/201 Call 1,752,500 0.00 70,170 37.64 n/a n/a n/a
2014-02-14 2013-12-31 13F CAPITAL ONE FINL *W EXP 11/14/201 Call 0 -100.00 0 -100.00 n/a n/a n/a
2013-11-14 2013-09-30 13F CAPITAL ONE FINL *W EXP 11/14/201 Call 1,752,500 0.00 50,980 20.06 n/a n/a n/a
2013-08-14 2013-06-30 13F CAPITAL ONE FINL *W EXP 11/14/201 Call 1,752,500 0.00 42,463 29.51 n/a n/a n/a
2013-07-12 2013-03-31 13F/A CAPITAL ONE FINL *W EXP 11/14/201 Call 1,752,500 32,788 n/a n/a n/a
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.