CSX Corporation
AT ˙ WBAG ˙ US1264081035
40,74 € ↑1,16 (2,94%)
2026-06-05
DEL PRIS
SecurityAT:CSX / CSX Corporation
InstitutionArrowMark Colorado Holdings LLC
Latest Disclosed Ownership6,940 shares
Latest Disclosed Value $ 284,887
ArrowMark Colorado Holdings LLC reports 1.14% decrease in ownership of CSX / CSX Corporation

On May 15, 2026 - ArrowMark Colorado Holdings LLC filed a 13F-HR form disclosing ownership of 6,940 shares of CSX Corporation (AT:CSX) valued at $242,449 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 7,020 shares of CSX Corporation. This represents a change in shares of -1.14% during the quarter. The current value of the position is $282,701 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)
2026-05-15 2026-03-31 13F CSX COM 126408103 6,940 -80 -1.14 285 11.81 0.0076
2026-02-17 2025-12-31 13F CSX COM 126408103 7,020 0 0.00 254 2.01 0.0056
2025-11-14 2025-09-30 13F CSX COM 126408103 7,020 0 0.00 249 8.73 0.0046
2025-08-14 2025-06-30 13F CSX COM 126408103 7,020 0 0.00 229 11.17 0.0041
2025-05-15 2025-03-31 13F CSX COM 126408103 7,020 0 0.00 207 -8.85 0.0033
2025-02-14 2024-12-31 13F CSX COM 126408103 7,020 0 0.00 227 -6.61 0.0030
2024-11-14 2024-09-30 13F CSX COM 126408103 7,020 0 0.00 242 3.42 0.0031
2024-08-14 2024-06-30 13F CSX COM 126408103 7,020 0 0.00 235 -10.00 0.0028
2024-05-15 2024-03-31 13F CSX COM 126408103 7,020 0 0.00 260 7.00 0.0029
2024-02-14 2023-12-31 13F CSX COM 126408103 7,020 0 0.00 243 13.02 0.0027
2023-11-14 2023-09-30 13F CSX COM 126408103 7,020 0 0.00 216 -10.04 0.0026
2023-08-14 2023-06-30 13F CSX COM 126408103 7,020 0 0.00 239 13.81 0.0026
2023-05-15 2023-03-31 13F CSX COM 126408103 7,020 0 0.00 210 -3.23 0.0024
2023-02-14 2022-12-31 13F CSX COM 126408103 7,020 7,020 217 0.0026
2022-11-14 2022-09-30 13F CSX COM 126408103 0 -7,020 -100.00 0 -100.00
2022-08-15 2022-06-30 13F CSX COM 126408103 7,020 0 0.00 204 -22.43 0.0023
2022-05-16 2022-03-31 13F CSX COM 126408103 7,020 0 0.00 263 -0.38 0.0023
2022-02-14 2021-12-31 13F CSX COM 126408103 7,020 0 0.00 264 26.32 0.0021
2021-11-15 2021-09-30 13F CSX COM 126408103 7,020 0 0.00 209 -7.11 0.0016
2021-08-16 2021-06-30 13F CSX COM 126408103 7,020 3,780 116.67 225 -27.88 0.0017
2021-05-17 2021-03-31 13F CSX COM 126408103 3,240 0 0.00 312 6.12 0.0023
2021-02-16 2020-12-31 13F CSX COM 126408103 3,240 0 0.00 294 16.67 0.0023
2020-11-16 2020-09-30 13F CSX COM 126408103 3,240 0 0.00 252 11.50 0.0024
2020-08-14 2020-06-30 13F CSX COM 126408103 3,240 3,240 226 0.0024
2020-05-15 2020-03-31 13F CSX COM 126408103 0 -3,240 -100.00 0 -100.00
2020-02-14 2019-12-31 13F CSX COM 126408103 3,240 0 0.00 234 4.46 0.0021
2019-11-14 2019-09-30 13F CSX COM 126408103 3,240 -250 -7.16 224 -17.04 0.0022
2019-08-14 2019-06-30 13F CSX COM 126408103 3,490 0 0.00 270 3.45 0.0026
2019-05-15 2019-03-31 13F CSX COM 126408103 3,490 -71,617 -95.35 261 -94.41 0.0025
2019-02-14 2018-12-31 13F CSX COM 126408103 75,107 -3,700 -4.70 4,666 -20.05 0.0490
2018-11-14 2018-09-30 13F CSX COM 126408103 78,807 -410 -0.52 5,836 15.52 0.0489
2018-08-14 2018-06-30 13F CSX COM 126408103 79,217 0 0.00 5,052 14.48 0.0464
2018-05-15 2018-03-31 13F CSX COM 126408103 79,217 -89,120 -52.94 4,413 -52.34 0.0441
2018-02-14 2017-12-31 13F CSX COM 126408103 168,337 -111,250 -39.79 9,260 -38.96 0.0938
2017-11-14 2017-09-30 13F CSX COM 126408103 279,587 0 0.00 15,170 -0.55 0.1724
2017-08-14 2017-06-30 13F CSX COM 126408103 279,587 0 0.00 15,254 17.20 0.1889
2017-05-15 2017-03-31 13F CSX COM 126408103 279,587 279,587 13,015 0.1775
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.