CSX Corporation
Ownership
Ownership Structure
Who owns CSX Corporation (CSX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.2% of the shares are freely tradable; institutional investors hold 82.0%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 8.69 | 161,062,005 | +0.5 | 06/30/2026 |
| Vanguard Capital Management, LLC | 6.55 | 121,371,632 | +0.4 | 06/30/2026 |
| State Street Corp | 4.94 | 91,455,446 | +2.7 | 06/30/2026 |
| T. Rowe Price Associates, Inc. | 3.83 | 70,889,485 | -6.9 | 06/30/2026 |
| Amvescap Plc. | 3.15 | 58,361,617 | -0.2 | 06/30/2026 |
| Geode Capital Management, LLC | 2.38 | 44,162,148 | +0.7 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 2.01 | 37,227,799 | +1.8 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 3.17 | 58,797,601 | -0.4 | 09/30/2026 |
| Vanguard 500 Index Investor | 2.63 | 48,650,723 | -1.4 | 09/30/2026 |
| Invesco QQQ Trust | 2.09 | 38,693,663 | -0.2 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Zillmer John J | Director | 334,214 | 17,245,442 $ | Oct 26, 2026 | direct |
| Whisler J Steven | Director | 98,377 | 5,076,253 $ | Sep 15, 2026 | indirect |
| Cory Michael A. | EVP & COO | 85,150 | 4,393,740 $ | Sep 25, 2026 | direct |
| Burns Michael S. | SVP - CLO & Corp Secy | 59,643 | 3,077,579 $ | Jul 24, 2026 | direct |
| Williams Angela C | VP & Chief Accounting Officer | 10,437 | 538,549 $ | Jul 24, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 26, 2026 | Zillmer John J | Director | Sell | 19,500 | 51.24 | 999,180 |
| Sep 25, 2026 | Cory Michael A. | EVP & COO | Other | 12,611 | 46.78 | 589,943 |
| Sep 15, 2026 | Whisler J Steven | Director | Other | 771 | 48.66 | 37,517 |
| Jul 24, 2026 | Williams Angela C | VP & Chief Accounting Officer | Sell | 30,000 | 53.29 | 1,598,700 |
| Jul 24, 2026 | Burns Michael S. | SVP - CLO & Corp Secy | Sell | 13,000 | 52.68 | 684,840 |
| Jul 24, 2026 | Burns Michael S. | SVP - CLO & Corp Secy | Other | 13,000 | 26.50 | 344,500 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 2, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.