Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
1,784 institutional managers reported holding NSC for the quarter ended Mar 31, 2026. Together they hold about 74% of shares outstanding; the top 10 hold 33%. 121 opened new positions; 153 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 21.04M | 9.35% | $6.04B | added +0.9% | ≤2013 |
| BlackRock | 15.28M | 6.79% | $4.39B | added +2.5% | ≤2013 |
| State Street | 9.83M | 4.37% | $2.82B | added +1.3% | ≤2013 |
| Dodge & Cox | 6.26M | 2.78% | $1.80B | trimmed -35% | ≤2013 |
| Geode Capital | 5.08M | 2.26% | $1.46B | added +4.1% | ≤2013 |
| Millennium Management | 4.58M | 2.04% | $1.32B | added +10.4% | 2014 Q2 |
| Pentwater Capital Management LP | 3.22M | 1.43% | $924.9M | added +6.7% | 2025 Q3 |
| Bank OF America CORP /DE/ | 3.20M | 1.42% | $919.4M | trimmed -0.9% | ≤2013 |
| UBS | 2.93M | 1.30% | $842.2M | added +32.4% | ≤2013 |
| Northern Trust | 2.64M | 1.17% | $757.6M | trimmed -2% | ≤2013 |
| Morgan Stanley | 2.63M | 1.17% | $754.7M | unchanged | ≤2013 |
| Citadel Advisors | 2.62M | 1.17% | $752.6M | added +3.2% | ≤2013 |
| D. E. Shaw | 2.26M | 1.01% | $650.1M | trimmed -0.7% | 2014 Q4 |
| Dimensional Fund Advisors | 2.26M | 1.00% | $649.0M | added +2.1% | ≤2013 |
| Amundi | 2.23M | 0.99% | $639.6M | added +24.2% | 2017 Q3 |
| T. Rowe Price | 2.13M | 0.95% | $611.7M | trimmed -23.3% | ≤2013 |
| American Century Companies INC | 2.03M | 0.90% | $582.8M | unchanged | 2016 Q1 |
| Capital Group (American Funds) | 2.01M | 0.89% | $576.4M | added +14.8% | ≤2013 |
| FMR (Fidelity) | 1.82M | 0.81% | $523.0M | added +1.2% | ≤2013 |
| Invesco | 1.77M | 0.79% | $507.6M | added +13.5% | ≤2013 |
| HBK Investments L P | 1.74M | 0.77% | $498.7M | trimmed -18.5% | 2025 Q3 |
| Legal & General Group PLC | 1.71M | 0.76% | $491.0M | trimmed -1.5% | ≤2013 |
| London CO OF Virginia | 1.70M | 0.76% | $488.4M | trimmed -6.1% | 2014 Q1 |
| Arrowstreet Capital | 1.63M | 0.72% | $467.2M | added +11% | 2021 Q1 |
| Goldman Sachs | 1.63M | 0.72% | $467.0M | trimmed -1% | ≤2013 |
| Charles Schwab Investment Management | 1.48M | 0.66% | $424.8M | added +2% | ≤2013 |
| Mirae Asset Global Etfs Holdings LTD. | 1.36M | 0.60% | $389.8M | added +11.6% | 2017 Q3 |
| Balyasny Asset Management | 1.34M | 0.59% | $384.5M | trimmed -19.8% | 2022 Q4 |
| BNY Mellon | 1.19M | 0.53% | $342.6M | trimmed -9% | ≤2013 |
| Fisher Investments | 1.16M | 0.51% | $331.9M | added +1.3% | ≤2013 |
| Wells Fargo & COMPANY/MN | 1.04M | 0.46% | $299.7M | trimmed -3% | ≤2013 |
| PRIMECAP Management | 1.03M | 0.46% | $296.8M | added +3.1% | ≤2013 |
| Qube Research & Technologies LTD | 918.0k | 0.41% | $263.7M | added +402.8% | 2025 Q3 |
| Capital Wealth Planning, LLC | 898.4k | 0.40% | $258.0M | opened | 2026 Q1 |
| Adage Capital Partners GP, L.l.c. | 854.0k | 0.38% | $245.3M | added +7% | ≤2013 |
| Cincinnati Insurance CO | 804.7k | 0.36% | $231.1M | trimmed -5.6% | ≤2013 |
| DZ Bank AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 793.2k | 0.35% | $227.8M | trimmed -26.7% | 2016 Q4 |
| Squarepoint Ops LLC | 765.7k | 0.34% | $219.9M | trimmed -8.5% | 2022 Q3 |
| Cohen & Steers | 744.1k | 0.33% | $213.7M | added +2.9% | 2018 Q1 |
| Hotchkis & Wiley Capital Management LLC | 741.7k | 0.33% | $213.0M | trimmed -3.8% | 2024 Q3 |
| Verition Fund Management | 731.1k | 0.33% | $210.0M | added +24.7% | 2020 Q1 |
| Deutsche Bank AG\ | 703.3k | 0.31% | $202.0M | added +1.6% | ≤2013 |
| Nuveen | 668.6k | 0.30% | $192.0M | added +33.9% | ≤2013 |
| Swiss National Bank | 658.5k | 0.29% | $189.1M | added +7.2% | ≤2013 |
| Sculptor Capital | 658.4k | 0.29% | $189.1M | added +29.6% | 2025 Q2 |
| Citigroup INC | 655.3k | 0.29% | $188.2M | added +43.2% | ≤2013 |
| Marshall Wace | 643.5k | 0.29% | $184.8M | added +180% | 2015 Q2 |
| Tudor Investment | 631.7k | 0.28% | $181.4M | added +58% | 2025 Q3 |
| AQR Capital | 616.7k | 0.27% | $177.1M | added +26.5% | ≤2013 |
| Mitsubishi UFJ Asset Management CO., LTD. | 604.2k | 0.27% | $173.5M | added +8.1% | ≤2013 |
Largest 50 of 1,784 shown; the full ranked, searchable register is at boothcheck.com/holders/NSC. 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.