Cable One, Inc.
US ˙ NYSE ˙ US12685J1051

SecurityCABO / Cable One, Inc.
InstitutionSei Investments Co
Latest Disclosed Ownership5,994 shares
Latest Disclosed Value $ 676,432
Sei Investments Co ownership in CABO / Cable One, Inc.

On February 13, 2026 - Sei Investments Co filed a 13F-HR form disclosing ownership of 5,994 shares of Cable One, Inc. (US:CABO) valued at $676,423 USD as of December 31, 2025. The entity filed a previous 13F-HR on November 13, 2025 disclosing 0 shares of Cable One, Inc.. The current value of the position is $288,072 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)
2026-02-13 2025-12-31 13F CABLE ONE COM 12685J105 5,994 5,994 676 0.0007
2025-11-13 2025-09-30 13F CABLE ONE COM 12685J105 0 -2,612 -100.00 0 -100.00
2025-08-14 2025-06-30 13F CABLE ONE COM 12685J105 2,612 -25,643 -90.76 355 -95.29 0.0004
2025-05-14 2025-03-31 13F/A-1 CABLE ONE COM 12685J105 28,255 -671 -2.32 7,509 -28.31 0.0097
2025-05-13 2025-03-31 13F CABLE ONE COM 12685J105 23,958 -4,968 8,665 0.0094
2025-02-11 2024-12-31 13F CABLE ONE COM 12685J105 28,926 236 0.82 10,475 4.37 0.0135
2024-11-12 2024-09-30 13F CABLE ONE COM 12685J105 28,690 1,353 4.95 10,036 3.72 0.0130
2024-08-13 2024-06-30 13F CABLE ONE COM 12685J105 27,337 51 0.19 9,676 -16.19 0.0137
2024-05-07 2024-03-31 13F CABLE ONE COM 12685J105 27,286 5,335 24.30 11,545 -5.52 0.0169
2024-02-14 2023-12-31 13F CABLE ONE COM 12685J105 21,951 5,130 30.50 12,219 17.98 0.0196
2023-11-14 2023-09-30 13F CABLE ONE COM 12685J105 16,821 3,445 25.76 10,358 17.84 0.0186
2023-08-11 2023-06-30 13F CABLE ONE COM 12685J105 13,376 1,708 14.64 8,790 7.33 0.0153
2023-05-12 2023-03-31 13F CABLE ONE COM 12685J105 11,668 3,483 42.55 8,190 40.58 0.0152
2023-02-10 2022-12-31 13F CABLE ONE COM 12685J105 8,185 7,543 1,174.92 5,826 964.90 0.0129
2022-11-14 2022-09-30 13F CABLE ONE COM 12685J105 642 309 92.79 547 29.62 0.0012
2022-08-15 2022-06-30 13F CABLE ONE COM 12685J105 333 33 11.00 422 -2.99 0.0009
2022-05-13 2022-03-31 13F CABLE ONE COM 12685J105 300 300 435 0.0009
2022-02-14 2021-12-31 13F CABLE ONE COM 12685J105 0 -388 -100.00 0 -100.00
2021-11-12 2021-09-30 13F CABLE ONE COM 12685J105 388 -193 -33.22 704 -36.63 0.0015
2021-08-06 2021-06-30 13F CABLE ONE COM 12685J105 581 1 0.17 1,111 4.81 0.0025
2021-05-12 2021-03-31 13F CABLE ONE COM 12685J105 580 0 0.00 1,060 -17.96 0.0027
2021-02-08 2020-12-31 13F CABLE ONE COM 12685J105 580 -17 -2.85 1,292 14.64 0.0033
2020-12-04 2020-09-30 13F/A-1 CABLE ONE COM 12685J105 597 -934 -61.01 1,127 -61.14 0.0033
2020-11-06 2020-09-30 13F CABLE ONE COM 12685J105 605 -926 1,142 2,749.6821
2020-08-17 2020-06-30 13F/A-1 CABLE ONE COM 12685J105 1,531 -1,193 -43.80 2,900 -36.53 0.0090
2020-08-11 2020-06-30 13F CABLE ONE COM 12685J105 1,552 -1,172 2,766 7,502.9222
2020-05-14 2020-03-31 13F CABLE ONE COM 12685J105 2,724 -172 -5.94 4,569 11.68 0.0168
2020-02-06 2019-12-31 13F CABLE ONE COM 12685J105 2,896 61 2.15 4,091 13.20 0.0122
2019-11-12 2019-09-30 13F CABLE ONE COM 12685J105 2,835 -695 -19.69 3,614 -11.27 0.0092
2019-08-14 2019-06-30 13F CABLE ONE COM 12685J105 3,530 -6,397 -64.44 4,073 -58.33 0.0133
2019-05-15 2019-03-31 13F CABLE ONE COM 12685J105 9,927 5,270 113.16 9,775 140.76 0.0328
2019-02-13 2018-12-31 13F CABLE ONE COM 12685J105 4,657 891 23.66 4,060 22.00 0.0145
2018-11-08 2018-09-30 13F CABLE ONE COM 12685J105 3,766 -2,030 -35.02 3,328 -21.69 0.0121
2018-08-03 2018-06-30 13F CABLE ONE COM 12685J105 5,796 5,034 660.63 4,250 711.07 0.0144
2018-05-11 2018-03-31 13F CABLE ONE COM 12685J105 762 26 3.53 524 1.16 0.0020
2018-02-08 2017-12-31 13F CABLE ONE COM 12685J105 736 -2 -0.27 518 -2.81 0.0018
2017-11-06 2017-09-30 13F CABLE ONE COM 12685J105 738 100 15.67 533 17.66 0.0019
2017-07-31 2017-06-30 13F CABLE ONE COM 12685J105 638 19 3.07 453 17.05 0.0018
2017-05-05 2017-03-31 13F CABLE ONE COM 12685J105 619 -10,851 -94.60 387 -94.57 0.0017
2017-02-02 2016-12-31 13F CABLE ONE COM 12685J105 11,470 10,848 1,744.05 7,131 1,864.46 0.0345
2016-11-04 2016-09-30 13F CABLE ONE COM 12685J105 622 31 5.25 363 19.80 0.0018
2016-08-11 2016-06-30 13F CABLE ONE COM 12685J105 591 -118 -16.64 303 -2.26 0.0018
2016-05-10 2016-03-31 13F/A-1 CABLE ONE COM 12685J105 709 -5,100 -87.79 310 -87.69 0.0019
2016-02-03 2015-12-31 13F CABLE ONE COM 12685J105 5,809 1 0.02 2,519 3.41 0.0154
2015-11-02 2015-09-30 13F/A-1 CABLE ONE COM 12685J105 5,808 5,808 2,436 0.0224
2015-10-30 2015-09-30 13F CABLE ONE COM 12685J105 5,808 2,436
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.