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CSX · Csx Corp

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Market Cap
$90.12B
Shares
1.85B

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 2,001
Total Value: $70,569,545,607
Total Shares: 1,486,547,270
Showing 1–100 of 2,051 holdings by value · page 1 of 21

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 2,001 13F filers · Δ vs Mar 31, 2026
Top Holder
10.8%
Sep 2023 → Jun 2026 · range 10.8% – 12.3%
−0.4 pts
Top 5
33.9%
Sep 2023 → Jun 2026 · range 33.9% – 38.8%
−0.4 pts
Top 10
46.0%
Sep 2023 → Jun 2026 · range 45.3% – 49.9%
−0.5 pts
HHI
326
Sep 2023 → Jun 2026 · range 326 – 401
Broadly held−16

Quarterly Activity

vs Mar 31, 2026
New
238
Increased
755
Decreased
642
Sold Out
120
Unchanged
366
Holder count: +118
Institutional value: +20.2%
Shares held: +3.9%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 2,051
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 277948 CUSIP 126408103 13F (30d) 963 filings 929 filers Visit website Investor relations