Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in CSX held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 160.5M | $6.59B | +12.6% | 8.637% | 0.12% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 120.8M | $4.96B | — | 6.503% | 0.12% |
| 3 | STATE STREET CORP | 89.0M | $3.65B | +1.3% | 4.791% | 0.13% |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 43.9M | $1.79B | +3.4% | 2.361% | 0.11% |
| 5 | BANK OF AMERICA CORP /DE/ | 42.2M | $1.73B | -9.5% | 2.269% | 0.13% |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 36.6M | $1.50B | — | 1.968% | 0.08% |
| 7 | Bank of New York Mellon Corp | 28.6M | $1.17B | +1.2% | 1.537% | 0.22% |
| 8 | Fisher Asset Management, LLC | 27.2M | $1.12B | +2.8% | 1.466% | 0.38% |
| 9 | AMERIPRISE FINANCIAL INC | 26.1M | $1.07B | +16.7% | 1.405% | 0.25% |
| 10 | MORGAN STANLEY | 25.5M | $1.05B | -4.7% | 1.370% | 0.06% |
| 11 | DIMENSIONAL FUND ADVISORS LP | 23.9M | $981.5M | +0.3% | 1.287% | 0.20% |
| 12 | GOLDMAN SACHS GROUP INC | 20.1M | $823.5M | +26.1% | 1.080% | 0.09% |
| 13 | ROYAL BANK OF CANADA | 19.9M | $815.6M | +74.2% | 1.069% | 0.14% |
| 14 | Capital Research Global Investors | 19.7M | $807.4M | +366.3% | 1.059% | 0.13% |
| 15 | Invesco Ltd. | 19.4M | $798.2M | +9.6% | 1.046% | 0.12% |
| 16 | NORTHERN TRUST CORP | 18.9M | $775.1M | -2.1% | 1.016% | 0.10% |
| 17 | VIKING GLOBAL INVESTORS LP | 18.7M | $766.7M | +35.2% | 1.005% | 2.14% |
| 18 | LAZARD ASSET MANAGEMENT LLC | 18.3M | $752.6M | -11.3% | 0.987% | 1.24% |
| 19 | Legal & General Group Plc | 16.5M | $675.4M | -1.9% | 0.885% | 0.16% |
| 20 | FMR LLC | 15.2M | $622.6M | -15.3% | 0.816% | 0.03% |
| 21 | DEUTSCHE BANK AG\ | 14.2M | $583.7M | +5.7% | 0.765% | 0.19% |
| 22 | UBS ASSET MANAGEMENT AMERICAS INC | 13.1M | $536.4M | +8.8% | 0.703% | 0.11% |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 12.6M | $519.1M | +2.6% | 0.681% | 0.08% |
| 24 | UBS Group AG | 12.4M | $509.4M | -15.7% | 0.668% | 0.08% |
| 25 | Neuberger Berman Group LLC | 12.3M | $502.8M | +18.9% | 0.660% | 0.38% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in CSX — a direct measure of their conviction.
Filings activity in CSX during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 1,830 | +3.3% | 59.28% | +5.12 pp | $52.40B | +9.4% |
| Q4 2025 | 1,771 | +4.6% | 54.16% | +1.99 pp | $47.88B | +3.8% |
| Q3 2025 | 1,693 | +1.7% | 52.17% | +5.19 pp | $46.11B | +11% |
| Q2 2025 | 1,664 | +2.2% | 46.98% | +3.56 pp | $41.53B | +8.2% |
| Q1 2025 | 1,628 | 2.2% | 43.42% | 5.68 pp | $38.38B | 12% |
| Q4 2024 | 1,664 | +2.8% | 49.10% | 0.35 pp | $43.40B | 0.7% |
| Q3 2024 | 1,619 | +0.5% | 49.45% | 2.21 pp | $43.71B | 4.3% |
| Q2 2024 | 1,611 | — | 51.66% | — | $45.66B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying CSX stock.
Based on Q1 2026 13F filings, institutional ownership of CSX Corporation stands at 59.3%, held across 1,830 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of CSX, with approximately 160,489,835 shares worth $6.59B as of Q1 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of CSX, including Fisher Asset Management, LLC, VIKING GLOBAL INVESTORS LP.
Our composite Smart Money Score for CSX is 71 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
231 institutions opened new positions in CSX during Q1 2026, while 172 fully exited. 1,397 added to existing positions and 193 trimmed.
CSX institutional ownership rose by 5.12 percentage points quarter-over-quarter, with a net change of +59 holders.
The top 10 institutions account for 47.0% of all reported 13F value in CSX, and the top 25 account for 67.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
CSX Corporation (CSX) Institutional Ownership