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Smart Money Score
Composite context from Form 4, 13F and congressional disclosures; not a forecast.
Of the 19 tracked institutions holding CSX, 13 have a 3-year clone track record — 10 of them beat the S&P. Average holder's clone alpha: +6.2pt. 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
3.5-5.6%
34.31M shares short · FINRA 2026-08-14
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
Last 12 months
| 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 |
|---|---|---|
| Dan Newhouse | Sell | Jul 10, 2026 |
| Thomas H Tuberville | Sell | Jun 8, 2026 |
| Alan Armstrong | Buy | Mar 27, 2026 |
| Markwayne Mullin | 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.
Get notified when hedge funds change their CSX positions.
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 →
| Nov 10, 2025 |
| Kevin Hern | Sell | Oct 28, 2025 |
| Valerie Hoyle | Sell | Sep 23, 2025 |
| Markwayne Mullin | Buy | May 13, 2025 |
| Jefferson Shreve | Sell | May 12, 2025 |
Showing 8 of 24. STOCK Act disclosures lag up to 45 days.
Last Close
$48.37
2026-09-09
YTD
+33.4%
77% of 52-week range
