Whale Analyzer
Top public holders · 13F and disclosure aggregation

Who owns NSC? 13F holders and whale ownership

NSC is tracked across public portfolios in Whale Analyzer. This page answers who owns NSC, which top funds are buying NSC, aggregate disclosed value, and recent position changes based on public data. Dodge & Cox is the largest reported holder at $1.80B; the top five funds control 100.0% of reported ownership; institutions were net selling last quarter (2 increased, 3 reduced); the stock trades above the aggregate whale cost basis of $177.69. Top tracked holders include Dodge & Cox, PRIMECAP Management, Alpine Associates, and Tom Gayner.

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NYQ · latest quote
$312.81
+$12.73 (+4.2%)
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5Tracked holders
$2.34BAggregate reported value
2026-05-21Page updated
3 reduced, 2 increasedRecent changes

Top holders

InvestorReported valueSharesChange
Dodge & Cox 13F portfolio
Dodge & Cox holdings
$1.80B6.3MReduced
PRIMECAP Management 13F portfolio
PRIMECAP Management Company holdings
$296.6M1.0MIncreased
Alpine Associates 13F portfolio
Alpine Associates Management holdings
$133.3M464.5KReduced
Tom Gayner 13F portfolio
Markel Group holdings
$81.1M282.5KIncreased
Dan Loeb 13F portfolio
Third Point holdings
$28.7M100.0KReduced

Ownership concentration

Reported ownership of NSC is highly concentrated across tracked institutions.

Whale activity this quarter

Across 5 tracked institutions, 3 reduced, 2 increased. Net positioning is net selling.

Whale cost basis vs current price

The aggregate tracked cost basis is $177.69 versus a current price of $312.81, so NSC trades above its cost basis (+76.0%). Average unrealized P&L across tracked holders: 62%.

Sector positioning — Industrials

NSC sits within the Industrials sector alongside 85 other tracked names. Compare whale ownership across peers:

How to use this page

Values are reported public positions from tracked 13F filers and disclosures — not real-time ownership totals. Open the live NSC dashboard for price charts and cross-investor scans, or read the SEC 13F guide.

This page is generated from public filings and public disclosures. It is for research and education only and is not investment advice.

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Learn more in Whale Analyzer Academy

Deepen your read on NSC with these Whale Analyzer Academy guides:

Frequently asked questions

Who owns NSC stock?

Whale Analyzer tracks 5 public institutional holders of NSC with a combined reported value of $2.34B. See the holder table above for the largest tracked positions.

Which top funds are buying NSC?

Tracked institutions were net selling last quarter — 3 reduced, 2 increased. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.

How concentrated is NSC ownership?

The top five tracked holders report 100.0% of aggregate ownership.

Is NSC above or below the whale cost basis?

The aggregate tracked cost basis is $177.69 versus a current price of $312.81 (+76.0%).

What does 13F ownership mean for NSC?

Use the interactive NSC dashboard on Whale Analyzer for real-time holder analysis, or read our 13F Alpha Signals Guide.