Whale Analyzer
Top public holders · 13F and disclosure aggregation

Who owns KNX? 13F holders and whale ownership

KNX is tracked across public portfolios in Whale Analyzer. This page answers who owns KNX, which top funds are buying KNX, aggregate disclosed value, and recent position changes based on public data. Dan Sundheim is the largest reported holder at $316M; the top five funds control 100.0% of reported ownership; institutions were net selling last quarter (0 increased, 1 reduced); the stock trades above the aggregate whale cost basis of $34.09. Top tracked holders include Dan Sundheim and Turtle Creek Asset Management.

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NYQ · latest quote
$76.61
+$2.46 (+3.3%)
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2Tracked holders
$318.9MAggregate reported value
2026-05-21Page updated
1 held, 1 reducedRecent changes

Top holders

InvestorReported valueSharesChange
Dan Sundheim 13F portfolio
D1 Capital Partners holdings
$316.2M5.5MReduced
Turtle Creek Asset Management 13F portfolio
Turtle Creek Asset Management holdings
$2.7M47.2KHeld

Ownership concentration

Reported ownership of KNX is highly concentrated across tracked institutions.

Whale activity this quarter

Across 2 tracked institutions, 1 reduced, 1 held. Net positioning is net selling.

Whale cost basis vs current price

The aggregate tracked cost basis is $34.09 versus a current price of $76.61, so KNX trades above its cost basis (+124.7%). Average unrealized P&L across tracked holders: 108%.

Sector positioning — Other

KNX sits within the Other sector alongside 670 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 KNX 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

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Frequently asked questions

Who owns KNX stock?

Whale Analyzer tracks 2 public institutional holders of KNX with a combined reported value of $318.9M. See the holder table above for the largest tracked positions.

Which top funds are buying KNX?

Tracked institutions were net selling last quarter — 1 reduced, 1 held. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.

How concentrated is KNX ownership?

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

Is KNX above or below the whale cost basis?

The aggregate tracked cost basis is $34.09 versus a current price of $76.61 (+124.7%).

What does 13F ownership mean for KNX?

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