$CSX

$51.31 +$0.52 (1.02%) Close

$CSX Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 1.84B shares outstanding

Who owns CSX?

By type of holder

Institutions 79.8% Insiders 0.3% Everyone else 19.9%

Concentration Top 10 holders own 36.6%

BlackRock, Inc. 8.7% · Vanguard Capital Management LLC 6.6%

Institutional ownership

79.8%

+0.8 pts vs last qtr

Institutional holders

1,992

+115 vs last qtr

Net shares bought

+14.8M

by institutions in Q2 2026

New / sold out

243 / 128

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Norges Bank NEW +26.0M
Voya Investment Management LLC +6.9M

Biggest sellers in Q2 2026

Viking Global Investors LP SOLD OUT −18.7M
Lazard Asset Management LLC −18.3M

Who is planning to sell?

Notices of proposed sale, last 12 months

$16.8M

8 notices from 8 people

Shares covered

383.7K

0.02% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Kevin Boone Officer $6.38M
Diana Sorfleet Officer $3.74M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−34.1%

−4.53% a year

Each share's claim on the business

+51.8%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$26.7B vs —

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years86% 3–5 years3% 1–3 years5% Under 1 year6%

Quarterly turnover

8.3%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting CSX on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	161.1M	8.74%	+857.0K (+0.5%)	≤2021	0.1%
Shares held by quarter Peak holding161.1M (Q2'26) Change over 8 quarters+11.9M Share of the company8.740% BlackRock, Inc.'s full portfolio →
VC Vanguard Capital Management LLC	121.4M	6.58%	+538.6K (+0.4%)	≤2021	0.1%
Shares held by quarter Peak holding121.4M (Q2'26) Change over 8 quarters+121.4M Share of the company6.580% Vanguard Capital Management LLC's full portfolio →

BlackRock, Inc.

161.1M

% of company

8.74%

Change vs last qtr

+857.0K (+0.5%)

Held since

≤2021

Vanguard Capital Management LLC

121.4M

% of company

6.58%

Change vs last qtr

+538.6K (+0.4%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding CSX Corporation, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting CSX on Form N-PORT; together they hold 32.2% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$2.8B	59.0M	3.20%	0.12%	June 30, 2026
V5 Vanguard 500 Index Fund Vanguard Index Funds	$2.29B	48.2M	2.61%	0.14%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$2.8B

% of company

3.20%

% of the fund

0.12%

As of

June 30, 2026

Vanguard 500 Index Fund

Vanguard Index Funds

Position value

$2.29B

% of company

2.61%

% of the fund

0.14%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding CSX Corporation and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
HP Hilal Paul C Insider	2.9M	0.16%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.160% Hilal Paul C's insider activity →
ZJ Zillmer John J Insider	353.7K	0.02%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.020% Zillmer John J's insider activity →

Hilal Paul C

Insider

2.9M

% of company

0.16%

Change vs last qtr

—

Held since

—

Zillmer John J

Insider

353.7K

% of company

0.02%

Change vs last qtr

—

Held since

—

20 more holders behind a free account

See every insider and 5%+ holder of CSX Corporation.

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