Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
1,820 institutional managers reported holding CSX for the quarter ended Mar 31, 2026. Together they hold about 74% of shares outstanding; the top 10 hold 37%. 194 opened new positions; 158 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 177.00M | 9.51% | $7.27B | added +0.9% | ≤2013 |
| BlackRock | 160.21M | 8.60% | $6.58B | added +12.4% | ≤2013 |
| State Street | 89.03M | 4.78% | $3.65B | added +1.3% | ≤2013 |
| T. Rowe Price | 76.16M | 4.09% | $3.13B | added +8.1% | ≤2013 |
| Geode Capital | 43.87M | 2.36% | $1.80B | added +3.4% | ≤2013 |
| Bank OF America CORP /DE/ | 42.16M | 2.26% | $1.73B | trimmed -9.5% | ≤2013 |
| BNY Mellon | 28.57M | 1.53% | $1.17B | added +1.2% | ≤2013 |
| Fisher Investments | 27.25M | 1.46% | $1.12B | added +2.8% | ≤2013 |
| Ameriprise Financial INC | 26.11M | 1.40% | $1.07B | added +16.7% | ≤2013 |
| Morgan Stanley | 25.46M | 1.37% | $1.05B | trimmed -4.7% | ≤2013 |
| Dimensional Fund Advisors | 23.91M | 1.28% | $981.6M | unchanged | ≤2013 |
| UBS | 23.03M | 1.24% | $945.4M | trimmed -4.4% | ≤2013 |
| Royal Bank OF Canada | 19.87M | 1.07% | $815.6M | added +89.8% | ≤2013 |
| Capital Research Global Investors | 19.67M | 1.06% | $807.5M | added +366.3% | ≤2013 |
| Goldman Sachs | 19.65M | 1.06% | $806.8M | added +65.4% | ≤2013 |
| Invesco | 19.44M | 1.04% | $798.2M | added +9.6% | ≤2013 |
| Northern Trust | 18.88M | 1.01% | $775.1M | trimmed -2.1% | ≤2013 |
| Viking Global | 18.68M | 1.00% | $766.7M | added +35.2% | 2022 Q4 |
| Lazard Asset Management LLC | 18.33M | 0.98% | $752.6M | trimmed -11.3% | ≤2013 |
| Legal & General Group PLC | 16.45M | 0.88% | $675.4M | trimmed -1.9% | ≤2013 |
| FMR (Fidelity) | 15.17M | 0.81% | $622.6M | trimmed -15.3% | ≤2013 |
| Deutsche Bank AG\ | 14.22M | 0.76% | $583.7M | added +5.7% | ≤2013 |
| Charles Schwab Investment Management | 12.66M | 0.68% | $519.8M | added +2.6% | ≤2013 |
| Mirae Asset Global Etfs Holdings LTD. | 12.65M | 0.68% | $519.4M | added +17.7% | ≤2013 |
| Neuberger Berman Group LLC | 12.26M | 0.66% | $503.2M | added +18.9% | ≤2013 |
| Amundi | 11.73M | 0.63% | $481.6M | trimmed -3.2% | 2017 Q3 |
| Victory Capital Management INC | 11.39M | 0.61% | $467.4M | trimmed -5.8% | 2015 Q2 |
| AllianceBernstein | 10.90M | 0.59% | $447.6M | trimmed -9.1% | ≤2013 |
| American Century Companies INC | 10.47M | 0.56% | $429.8M | trimmed -0.5% | 2018 Q3 |
| Mitsubishi UFJ Asset Management CO., LTD. | 10.04M | 0.54% | $412.2M | trimmed -10.9% | ≤2013 |
| Cohen & Steers | 8.23M | 0.44% | $337.8M | trimmed -0.6% | 2021 Q2 |
| Nuveen | 8.08M | 0.43% | $331.5M | added +26.8% | ≤2013 |
| FIL LTD | 7.30M | 0.39% | $299.7M | added +152.5% | 2018 Q2 |
| Adage Capital Partners GP, L.l.c. | 7.09M | 0.38% | $290.9M | added +84.9% | ≤2013 |
| Capital Group (American Funds) | 5.89M | 0.32% | $241.6M | trimmed -44.4% | 2025 Q3 |
| National Pension Service | 5.52M | 0.30% | $226.7M | trimmed -1.5% | 2014 Q3 |
| Swiss National Bank | 5.46M | 0.29% | $224.3M | added +7% | ≤2013 |
| Schroder Investment Management Group | 5.33M | 0.29% | $218.6M | unchanged | ≤2013 |
| Holocene Advisors | 4.99M | 0.27% | $204.8M | added +1.5% | 2024 Q4 |
| Hsbc Holdings PLC | 4.56M | 0.24% | $187.1M | trimmed -6.8% | ≤2013 |
| Sumitomo Mitsui Trust Group, INC. | 4.54M | 0.24% | $186.3M | trimmed -4.9% | ≤2013 |
| Perpetual LTD | 4.54M | 0.24% | $186.2M | trimmed -5.9% | 2024 Q4 |
| Barclays PLC | 4.45M | 0.24% | $182.6M | trimmed -38.2% | ≤2013 |
| Wells Fargo & COMPANY/MN | 4.37M | 0.23% | $179.6M | added +1.9% | ≤2013 |
| Thrivent Financial for Lutherans | 4.11M | 0.22% | $168.5M | trimmed -16.4% | ≤2013 |
| National Bank OF Canada /FI/ | 3.94M | 0.21% | $161.8M | added +49.2% | 2021 Q4 |
| Maj Invest Holding A/S (focused) | 3.59M | 0.19% | $147.2M | unchanged | 2022 Q4 |
| Junto Capital Management LP | 3.46M | 0.19% | $142.1M | trimmed -14.6% | 2025 Q3 |
| CalPERS | 3.44M | 0.18% | $141.1M | trimmed -1.5% | ≤2013 |
| Great Lakes Advisors, LLC | 3.35M | 0.18% | $137.4M | added +3.8% | 2018 Q4 |
Largest 50 of 1,820 shown; the full ranked, searchable register is at boothcheck.com/holders/CSX. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.