CSX CORP CSX
COM · Common Stock · CUSIP 126408103 · ISIN US1264081035
American holding company focused on rail transportation and real estate in North America, among other industries
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($289.7m this quarter). Holder counts are more reliable. Shares outstanding: 1.9bn as of 2026-06-30, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $47.47. Options: 32 managers hold calls ($352.0m notional), 36 hold puts ($460.0m).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 1,442 |
| Q4 2022 | 1,515 |
| Q1 2023 | 1,501 |
| Q2 2023 | 1,581 |
| Q3 2023 | 1,547 |
| Q4 2023 | 1,668 |
| Q1 2024 | 1,692 |
| Q2 2024 | 1,661 |
| Q3 2024 | 1,671 |
| Q4 2024 | 1,724 |
| Q1 2025 | 1,668 |
| Q2 2025 | 1,699 |
| Q3 2025 | 1,739 |
| Q4 2025 | 1,814 |
| Q1 2026 | 1,873 |
| Q2 2026 | 1,990 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 712 | 661 |
| Q4 2024 | 682 | 729 |
| Q1 2025 | 665 | 827 |
| Q2 2025 | 677 | 830 |
| Q3 2025 | 778 | 682 |
| Q4 2025 | 756 | 720 |
| Q1 2026 | 827 | 775 |
| Q2 2026 | 957 | 732 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $1.1bn | $390.7m | 0.36 |
| Q4 2025 | $748.4m | $317.3m | 0.42 |
| Q1 2026 | $368.5m | $365.1m | 0.99 |
| Q2 2026 | $352.0m | $460.0m | 1.31 |
Biggest buyers
| VOYA INVESTMENT MANAGEMENT LLC | Added | +6.9m |
| SG Americas Securities, LLC | Added | +6.4m |
| CITADEL ADVISORS LLC | Added | +4.8m |
| Holocene Advisors, LP | Added | +4.7m |
| Slate Path Capital LP | New | +4.0m |
| MILLENNIUM MANAGEMENT LLC | Added | +3.7m |
| TD Asset Management Inc | Added | +3.0m |
| 1832 Asset Management L.P. | Added | +2.9m |
| Squarepoint Ops LLC | Added | +2.6m |
| PointState Capital LP | New | +2.6m |
Biggest sellers
| VIKING GLOBAL INVESTORS LP | Sold out | -18.7m |
| LAZARD ASSET MANAGEMENT LLC | Reduced | -18.3m |
| Bank of New York Mellon Corp | Reduced | -8.6m |
| BANK OF AMERICA CORP /DE/ | Reduced | -8.5m |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | -5.3m |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Reduced | -5.0m |
| JPMORGAN CHASE & CO | Reduced | -3.4m |
| ALLIANCEBERNSTEIN L.P. | Reduced | -3.1m |
| Perpetual Ltd | Reduced | -2.6m |
| VICTORY CAPITAL MANAGEMENT INC | Reduced | -2.3m |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $91.7m1.9m shares |
| JANE STREET GROUP, LLC | Added | $44.5m935.7k shares |
| CITADEL ADVISORS LLC | Reduced | $36.2m761.4k shares |
| GROUP ONE TRADING LLC | Added | $23.5m494.5k shares |
| Walleye Trading LLC | Added | $23.2m488.7k shares |
| UBS Group AG | Reduced | $19.5m411.2k shares |
| IMC-Chicago, LLC | Reduced | $16.0m335.8k shares |
| SIMPLEX TRADING, LLC | Added | $11.9m250.0k shares |
| MILLENNIUM MANAGEMENT LLC | Reduced | $11.3m237.8k shares |
| CITIGROUP INC | Added | $11.2m235.4k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $107.8m2.3m shares |
| JANE STREET GROUP, LLC | Added | $81.5m1.7m shares |
| UBS Group AG | Reduced | $39.8m837.5k shares |
| Caption Management, LLC | Reduced | $37.1m780.0k shares |
| MILLENNIUM MANAGEMENT LLC | Added | $28.0m589.4k shares |
| JPMORGAN CHASE & CO | Reduced | $25.0m520.0k shares |
| Walleye Trading LLC | Added | $18.2m382.7k shares |
| BNP PARIBAS FINANCIAL MARKETS | Reduced | $12.8m2.7k shares |
| CAPSTONE INVESTMENT ADVISORS, LLC | Added | $11.2m235.4k shares |
| GROUP ONE TRADING LLC | Added | $8.7m182.0k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 7.5% |
| JPMORGAN CHASE & CO 13G · institution new · filed 2025-02-12 | 5.5% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 1 | $4.2m | — |
| Q1 2025 | 0 | — | 1 | $47.1k | — |
| Q2 2025 | 0 | — | 0 | — | — |
| Q3 2025 | 0 | — | 0 | — | — |
| Q4 2025 | 1 | $2.0m | 2 | $2.0m | — |
| Q1 2026 | 1 | $1.0m | 2 | $7.5m | — |
| Q2 2026 | 0 | — | 2 | $6.8m | — |
| Q3 2026 | 0 | — | 2 | $2.3m | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-07-24 | Williams Angela C VP & Chief Accounting Officer | Sold | $1.6m30.0k shares |
| 2026-07-24 | Burns Michael S. SVP - CLO & Corp Secy | Sold | $684.8k13.0k shares |
| 2026-06-03 | Boone Kevin S. EVP & CFO | Sold | $6.4m136.7k shares |
| 2026-06-03 | ZILLMER JOHN J Director | Sold | $464.5k10.0k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.11% of their portfolio | 161.1m $7.7bn | Added +857.0k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.12% of their portfolio | 121.4m $5.8bn | Added +538.6k |
| STATE STREET CORP 0.13% of their portfolio | 91.5m $4.3bn | Added +2.4m |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.34% of their portfolio | 70.9m $3.4bn | Reduced -5.3m |
| Invesco Ltd. 0.22% of their portfolio | 58.4m $2.8bn | Reduced -109.5k |
| GEODE CAPITAL MANAGEMENT, LLC 0.11% of their portfolio | 44.2m $2.1bn | Added +295.9k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.08% of their portfolio | 37.2m $1.8bn | Added +663.9k |
| JPMORGAN CHASE & CO 0.10% of their portfolio | 36.3m $1.7bn | Reduced -3.4m |
| BANK OF AMERICA CORP /DE/ 0.10% of their portfolio | 33.6m $1.6bn | Reduced -8.5m |
| Fisher Asset Management, LLC 0.40% of their portfolio | 28.0m $1.3bn | Added +795.0k |
| MORGAN STANLEY 0.07% of their portfolio | 26.1m $1.2bn | Added +632.8k |
| NORGES BANK 0.12% of their portfolio | 26.0m $1.2bn | Not comparable |
| AMERIPRISE FINANCIAL INC 0.24% of their portfolio | 25.3m $1.2bn | Reduced -802.9k |
| DIMENSIONAL FUND ADVISORS LP 0.19% of their portfolio | 22.3m $1.1bn | Reduced -1.6m |
| ROYAL BANK OF CANADA 0.17% of their portfolio | 21.6m $1.0bn | Added +1.7m |
| Capital Research Global Investors 0.13% of their portfolio | 20.2m $961.1m | Added +551.3k |
| Bank of New York Mellon Corp 0.16% of their portfolio | 20.0m $950.3m | Reduced -8.6m |
| NORTHERN TRUST CORP 0.10% of their portfolio | 18.8m $895.3m | Reduced -46.6k |
| GOLDMAN SACHS GROUP INC 0.09% of their portfolio | 18.1m $862.1m | Reduced -1.5m |
| Legal & General Group Plc 0.16% of their portfolio | 15.7m $747.0m | Reduced -737.3k |
| DEUTSCHE BANK AG\ 0.20% of their portfolio | 14.4m $685.4m | Added +201.7k |
| Amundi 0.16% of their portfolio | 14.0m $664.4m | Added +2.2m |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.12% of their portfolio | 13.5m $643.8m | Added +479.6k |
| FMR LLC 0.03% of their portfolio | 13.3m $633.0m | Reduced -1.8m |
| NEUBERGER BERMAN GROUP LLC 0.42% of their portfolio | 13.1m $622.9m | Added +840.9k |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.74% of their portfolio | 13.1m $622.4m | Added +1.4m |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.08% of their portfolio | 12.6m $599.2m | Reduced -40.2k |
| VANGUARD FIDUCIARY TRUST CO 0.11% of their portfolio | 10.4m $495.9m | Reduced -38.0k |
| Holocene Advisors, LP 1.05% of their portfolio | 9.6m $458.3m | Added +4.7m |
| AMERICAN CENTURY COMPANIES INC 0.20% of their portfolio | 9.5m $449.3m | Reduced -1.0m |
| UBS Group AG 0.07% of their portfolio | 9.2m $437.5m | Reduced -759.2k |
| VICTORY CAPITAL MANAGEMENT INC 0.24% of their portfolio | 9.1m $430.9m | Reduced -2.3m |
| COHEN & STEERS, INC. 0.65% of their portfolio | 8.7m $413.7m | Added +474.4k |
| FIL Ltd 0.30% of their portfolio | 8.6m $411.0m | Added +1.3m |
| Nuveen, LLC 0.10% of their portfolio | 8.6m $410.5m | Added +560.1k |
| ALLIANCEBERNSTEIN L.P. 0.11% of their portfolio | 7.8m $321.8m | Reduced -3.1m |
| SG Americas Securities, LLC 0.21% of their portfolio | 7.6m $358.9m | Added +6.4m |
| VOYA INVESTMENT MANAGEMENT LLC 0.30% of their portfolio | 7.4m $352.0m | Added +6.9m |
| Capital World Investors 0.03% of their portfolio | 5.9m $282.2m | Added +51.8k |
| National Pension Service 0.17% of their portfolio | 5.6m $264.6m | Added +45.0k |
| CITADEL ADVISORS LLC 0.15% of their portfolio | 5.5m $262.1m | Added +4.8m |
| SCHRODER INVESTMENT MANAGEMENT GROUP 0.18% of their portfolio | 5.4m $257.2m | Added +86.8k |
| Swiss National Bank 0.13% of their portfolio | 5.2m $249.3m | Reduced -218.9k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.12% of their portfolio | 4.7m $224.8m | Added +370.1k |
| Thrivent Financial for Lutherans 0.36% of their portfolio | 4.5m $215.9m | Added +437.1k |
| MILLENNIUM MANAGEMENT LLC 0.15% of their portfolio | 4.5m $215.0m | Added +3.7m |
| Sumitomo Mitsui Trust Group, Inc. 0.12% of their portfolio | 4.4m $211.4m | Reduced -91.3k |
| Mitsubishi UFJ Trust & Banking Corp 0.46% of their portfolio | 4.4m $209.2m | Reduced -1.3m |
| WELLS FARGO & COMPANY/MN 0.04% of their portfolio | 4.4m $208.7m | Added +16.8k |
| Vanguard Global Advisers, LLC 0.09% of their portfolio | 4.0m $190.9m | Reduced -61.5k |
| Slate Path Capital LP 2.64% of their portfolio | 4.0m $190.6m | New |
| BARCLAYS PLC 0.06% of their portfolio | 4.0m $188.0m | Reduced -491.8k |
| HSBC HOLDINGS PLC 0.09% of their portfolio | 3.9m $187.2m | Reduced -620.2k |
| TD Asset Management Inc 0.16% of their portfolio | 3.8m $181.4m | Added +3.0m |
| NATIONAL BANK OF CANADA /FI/ 0.15% of their portfolio | 3.7m $175.1m | Reduced -257.1k |
| GREAT LAKES ADVISORS, LLC 1.31% of their portfolio | 3.6m $171.9m | Added +270.0k |
| CITIGROUP INC 0.08% of their portfolio | 3.6m $168.9m | Added +1.1m |
| California Public Employees Retirement System 0.09% of their portfolio | 3.5m $168.3m | Added +103.6k |
| PNC Financial Services Group, Inc. 0.08% of their portfolio | 3.5m $166.0m | Added +459.3k |
| BNP PARIBAS FINANCIAL MARKETS 0.09% of their portfolio | 3.5m $165.8m | Added +871.0k |
| Squarepoint Ops LLC 0.31% of their portfolio | 3.4m $161.9m | Added +2.6m |
| VANGUARD ASSET MANAGEMENT, Ltd 0.11% of their portfolio | 3.4m $160.7m | Added +376.2k |
| RHUMBLINE ADVISERS 0.12% of their portfolio | 3.3m $155.0m | Reduced -31.0k |
| Connor, Clark & Lunn Investment Management Ltd. 0.29% of their portfolio | 3.3m $154.5m | Added +1.4m |
| 1832 Asset Management L.P. 0.19% of their portfolio | 3.2m $151.5m | Added +2.9m |
| WESTFIELD CAPITAL MANAGEMENT CO LP 0.49% of their portfolio | 3.2m $149.9m | Added +1.5m |
| Junto Capital Management LP 2.61% of their portfolio | 3.0m $141.2m | Reduced -490.7k |
| M&G PLC 0.70% of their portfolio | 2.9m $140.8m | Reduced -296.5k |
| LOCUST WOOD CAPITAL ADVISERS, LLC 3.31% of their portfolio | 2.9m $136.9m | Reduced -6.7k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.13% of their portfolio | 2.9m $136.0m | Added +264.0k |
| MUFG Securities EMEA plc 1.39% of their portfolio | 2.8m $133.0m | Added +2.4m |
| Aberdeen Group plc 0.19% of their portfolio | 2.8m $132.3m | Added +260.5k |
| RAYMOND JAMES FINANCIAL INC 0.04% of their portfolio | 2.8m $130.8m | Reduced -71.9k |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 0.61% of their portfolio | 2.7m $126.2m | Reduced -282.9k |
| Balyasny Asset Management L.P. 0.23% of their portfolio | 2.6m $124.7m | Added +2.1m |
| Brookfield Corp /ON/ 0.16% of their portfolio | 2.6m $121.9m | Reduced -280.7k |
| PointState Capital LP 2.14% of their portfolio | 2.6m $121.3m | New |
| Maj Invest Holding A/S 5.46% of their portfolio | 2.5m $120.1m | Reduced -1.1m |
| Artisan Partners Limited Partnership 0.20% of their portfolio | 2.5m $120.0m | New |
| BANK OF MONTREAL /CAN/ 0.04% of their portfolio | 2.5m $118.0m | Added +237.9k |
| Allianz Asset Management GmbH 0.12% of their portfolio | 2.5m $116.2m | Reduced -35.1k |
| ENVESTNET ASSET MANAGEMENT INC 0.03% of their portfolio | 2.5m $117.1m | Reduced -26.2k |
| PRUDENTIAL FINANCIAL INC 0.13% of their portfolio | 2.4m $116.3m | Added +371.9k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.06% of their portfolio | 2.4m $116.2m | Added +331.2k |
| AQR CAPITAL MANAGEMENT LLC 0.04% of their portfolio | 2.4m $114.2m | Added +181.7k |
| UniSuper Management Pty Ltd 0.59% of their portfolio | 2.4m $113.7m | Added +49.9k |
| Point72 Asset Management, L.P. 0.17% of their portfolio | 2.4m $112.2m | Reduced -591.8k |
| PRINCIPAL FINANCIAL GROUP INC 0.05% of their portfolio | 2.3m $107.3m | Reduced -23.2k |
| Bridgewater Associates, LP 0.43% of their portfolio | 2.2m $106.0m | Reduced -145.3k |
| EARNEST PARTNERS LLC 0.37% of their portfolio | 2.2m $103.2m | Reduced -42.2k |
| Russell Investments Group, Ltd. 0.09% of their portfolio | 2.1m $101.0m | Added +6.6k |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.15% of their portfolio | 2.1m $100.9m | Reduced -513.0k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.14% of their portfolio | 2.1m $100.2m | Reduced -5.0m |
| ZACKS INVESTMENT MANAGEMENT 0.71% of their portfolio | 2.1m $99.6m | Added +349.1k |
| Freestone Grove Partners LP 0.65% of their portfolio | 2.1m $99.3m | New |
| TCW GROUP INC 0.66% of their portfolio | 2.1m $98.0m | Reduced -33.3k |
| Universal- Beteiligungs- und Servicegesellschaft mbH 0.15% of their portfolio | 2.0m $96.6m | Reduced -111.1k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.12% of their portfolio | 2.0m $96.2m | Reduced -124.2k |
| ProShare Advisors LLC 0.14% of their portfolio | 2.0m $95.9m | Reduced -611.6k |
| FIRST TRUST ADVISORS LP 0.06% of their portfolio | 2.0m $93.5m | Reduced -211.5k |