Who owns AGX? 13F holders and whale ownership
AGX is tracked across public portfolios in Whale Analyzer. This page answers who owns AGX, which top funds are buying AGX, aggregate disclosed value, and recent position changes based on public data. Lee Ainslie is the largest reported holder at $253M; the top five funds control 100.0% of reported ownership; institutions were net buying last quarter (2 increased, 1 reduced); the stock trades above the aggregate whale cost basis of $326.19. Top tracked holders include Lee Ainslie, Stephen Mandel, and Polen Capital.
Continue to the live AGX dashboardTop holders
| Investor | Reported value | Shares | Change |
|---|---|---|---|
| Lee Ainslie 13F portfolio Maverick Capital holdings | $253.1M | 464.8K | Increased |
| Stephen Mandel 13F portfolio Lone Pine Capital holdings | $214.1M | 393.1K | New |
| Polen Capital 13F portfolio Polen Capital Management holdings | $9.8M | 18.0K | Reduced |
Ownership concentration
Reported ownership of AGX is highly concentrated across tracked institutions.
- Single largest holder: 53.1% of reported ownership
- Top 5 holders: 100.0%
- Top 10 holders: 100.0%
Whale activity this quarter
Across 3 tracked institutions, 2 increased, 1 reduced. Net positioning is net buying.
- Lee Ainslie — Maverick Capital ($253.1M) (▲ 5.9% qoq shares) · avg cost $308.49
- Stephen Mandel — Lone Pine Capital ($214.1M) · avg cost $347.11
- Polen Capital — Polen Capital Management ($9.8M) (▼ 27.7% qoq shares)
Whale cost basis vs current price
The aggregate tracked cost basis is $326.19 versus a current price of $765.46, so AGX trades above its cost basis (+134.7%). Average unrealized P&L across tracked holders: 93%.
Sector positioning — Industrials
AGX 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 AGX dashboard for price charts and cross-investor scans, or read the SEC 13F guide.
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Learn more in Whale Analyzer Academy
Deepen your read on AGX with these Whale Analyzer Academy guides:
Frequently asked questions
Who owns AGX stock?
Whale Analyzer tracks 3 public institutional holders of AGX with a combined reported value of $477.0M. See the holder table above for the largest tracked positions.
Which top funds are buying AGX?
Tracked institutions were net buying last quarter — 2 increased, 1 reduced. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is AGX ownership?
The top five tracked holders report 100.0% of aggregate ownership.
Is AGX above or below the whale cost basis?
The aggregate tracked cost basis is $326.19 versus a current price of $765.46 (+134.7%).
What does 13F ownership mean for AGX?
Use the interactive AGX dashboard on Whale Analyzer for real-time holder analysis, or read our 13F Alpha Signals Guide.