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Holder clone rankings through .
Of the 19 tracked institutions holding CSX, 11 have a 3-year clone track record — 8 of them beat the S&P. Average holder's clone alpha: +4.9pt. It's a gauge of who owns the name, not just how many.
Among the 19 tracked institutional investors we monitor, CSX (CSX CORP) is held with a combined value of $25.84B across 585,310,448 shares. The largest holder is BlackRock, Inc. with a position worth $7.66B (0.11% of their portfolio). Slate Path Capital LP opened a new position in the most recent quarter. 11 funds increased their holdings. 7 funds reduced their position.
Total Institutional Value
$25.84B
Total Shares Held
585,310,448
Institutional Holders
19
% of Shares Outstanding
31.6%
of 1.85B shares · SEC 2026-06-30
Days to Cover
3.6+5.5%
42.98M shares short · FINRA 2026-09-30
Tracked 13F institutions hold 31.6% of CSX's shares outstanding. This is a floor: 13F filings arrive on a ~45-day lag and we track only a subset of institutional filers, so true institutional ownership is higher. Shares-outstanding is the latest SEC cover-page figure (as of 2026-06-30), not a live float.
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
0
$0
3
$2.75M
Total Transactions
3
the last 365 days
| Date | Insider | Code | Type | Shares | Value |
|---|---|---|---|---|---|
| Jul 24, 2026 | Angela C Williams | S | Sale | 30,000 | $1.60M |
| Jul 24, 2026 | Michael S. Burns | S | Sale | 13,000 | $684.84K |
| Jun 3, 2026 | JOHN J ZILLMER | S | Sale | 10,000 | $464.50K |
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $7.66B | 0.11% | +0.5% |
| 2 | VANGUARD GROUP INC | $6.35B | 0.09% | +1.0% |
| 3 | STATE STREET CORP | $4.35B | 0.13% | +2.7% |
| 4 | PRICE T ROWE ASSOCIATES INC /MD/ | $3.37B | 0.34% | -6.9% |
| 5 | Fisher Asset Management, LLC | $1.33B | 0.40% | +2.9% |
| 6 | Capital Research Global Investors | $961.11M | 0.13% | +2.8% |
| 7 | FMR LLC | $633.01M | 0.03% | -12.2% |
| 8 | CITADEL ADVISORS LLC | $262.10M | 0.15% | +627.2% |
| 9 | MILLENNIUM MANAGEMENT LLC | $214.97M | 0.15% | +175.2% |
| 10 | Slate Path Capital LP | $190.56M | 2.64% | New |
| Member | Type | Date |
|---|---|---|
| Kevin Hern | Sell | Aug 31, 2026 |
| Kevin Hern | Sell | Aug 27, 2026 |
| Dan Newhouse | Sell | Jul 10, 2026 |
| Thomas H Tuberville | Sell |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of CSX with a position worth $7.66B, representing 0.11% of their portfolio. In total, 19 institutional investors hold CSX with a combined value of $25.84B.
In the most recent quarter, 1 fund opened a new position in CSX. Additionally, 11 increased their holdings and 7 reduced their positions.
Institutional investors hold $25.84B worth of CSX stock across 19 positions. The largest institutional holder is BlackRock, Inc. with $7.66B in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For CSX, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
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Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| Jun 8, 2026 |
| Alan Armstrong | Buy | Mar 27, 2026 |
| Markwayne Mullin | Sell | Nov 10, 2025 |
| Kevin Hern | Sell | Oct 28, 2025 |
| Valerie Hoyle | Sell | Sep 23, 2025 |
Showing 8 of 26. STOCK Act disclosures lag up to 45 days.
Last Close
$50.79
2026-10-23
YTD
+40.0%
88% of 52-week range