Institutional Holders (2026 Q1)
2K + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in NSC. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Marble Bar Asset Management LLP | 52.13% | 185,000 | $53.1M |
| 2 | Cobalt Capital Management, INC. | 18.48% | 115,000 | $33.0M |
| 3 | Decagon Asset Management LLP | 16.05% | 216,040 | $62.0M |
| 4 | Taylor Financial Group, Inc. | 13.94% | 80,118 | $23.0M |
| 5 | Kryger Capital LLC | 10.76% | 530,269 | $152.2M |
| 6 | Harvest Management LLC | 10.09% | 72,600 | $20.8M |
| 7 | Birnam Oak Advisors, LP | 9.89% | 151,835 | $43.6M |
| 8 | PSquared Asset Management AG | 9.62% | 96,385 | $27.7M |
| 9 | One Fin Capital Management LP | 8.19% | 80,000 | $23.0M |
| 10 | Alpine Associates Management INC. | 7.86% | 464,455 | $133.3M |
| 11 | Sand Grove Capital Management LLP | 6.76% | 104,633 | $30.0M |
| 12 | Vazirani Asset Management LLC | 6.62% | 10,000 | $2.9M |
| 13 | Westchester Capital Management, LLC | 6.52% | 501,638 | $144.0M |
| 14 | Versor Investments LP | 5.66% | 8,050 | $2.3M |
| 15 | Hbk Investments L P | 5.06% | 1,736,356 | $498.3M |
| 16 | Eliot Finkel Investment Counsel, LLC | 4.93% | 31,605 | $9.1M |
| 17 | Symmetry Investments LP | 4.87% | 154,943 | $44.5M |
| 18 | Pentwater Capital Management LP | 4.79% | 3,220,000 | $924.1M |
| 19 | Melqart Asset Management (UK) Ltd | 4.55% | 160,848 | $46.2M |
| 20 | TIG Advisors, LLC | 4.46% | 336,198 | $96.5M |
| 21 | CSU Producer Resources, Inc. | 4.44% | 5,400 | $1.5M |
| 22 | Laurion Capital Management LP | 4.40% | 351,648 | $100.9M |
| 23 | Gibson Wealth Advisors LLC | 4.37% | 22,709 | $6.5M |
| 24 | Water Island Capital LLC | 4.30% | 134,051 | $38.5M |
| 25 | Governors Lane LP | 4.21% | 229,334 | $65.8M |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|