Who owns GLW? 13F holders and whale ownership
GLW is tracked across public portfolios in Whale Analyzer. This page answers who owns GLW, which top funds are buying GLW, aggregate disclosed value, and recent position changes based on public data. Capital Group is the largest reported holder at $2.97B; the top five funds control 95.8% of reported ownership; institutions were net buying last quarter (5 increased, 4 reduced); the stock trades above the aggregate whale cost basis of $125.39. Top tracked holders include Capital Group, PRIMECAP Management, Stephen Mandel, and Whale Rock Capital.
Continue to the live GLW dashboardTop holders
| Investor | Reported value | Shares | Change |
|---|---|---|---|
| Capital Group 13F portfolio Capital Research Global Investors holdings | $2.97B | 21.8M | Increased |
| PRIMECAP Management 13F portfolio PRIMECAP Management Company holdings | $562.2M | 4.1M | Reduced |
| Stephen Mandel 13F portfolio Lone Pine Capital holdings | $505.6M | 3.7M | New |
| Whale Rock Capital 13F portfolio Whale Rock Capital Management holdings | $312.4M | 2.3M | Reduced |
| NPS Korea 13F portfolio National Pension Service holdings | $298.2M | 2.2M | Reduced |
| David Tepper 13F portfolio Appaloosa LP holdings | $153.6M | 1.1M | Reduced |
| Lee Ainslie 13F portfolio Maverick Capital holdings | $50.9M | 374.5K | New |
| HHLR Advisors 13F portfolio HHLR Advisors holdings | $1.0M | 7.7K | New |
| Leopold Aschenbrenner 13F portfolio Situational Awareness LP holdings | $718.3K | 5.3K | New |
Ownership concentration
Reported ownership of GLW is highly concentrated across tracked institutions.
- Single largest holder: 61.2% of reported ownership
- Top 5 holders: 95.8%
- Top 10 holders: 100.0%
Whale activity this quarter
Across 9 tracked institutions, 5 increased, 4 reduced. Net positioning is net buying.
- Capital Group — Capital Research Global Investors ($2.97B) (▲ 29.3% qoq shares) · avg cost $126.28
- PRIMECAP Management — PRIMECAP Management Company ($562.2M) (▼ 0.1% qoq shares)
- Stephen Mandel — Lone Pine Capital ($505.6M) · avg cost $191.81
- Whale Rock Capital — Whale Rock Capital Management ($312.4M) (▼ 13.9% qoq shares) · avg cost $54.11
- NPS Korea — National Pension Service ($298.2M) (▼ 4.2% qoq shares) · avg cost $68.41
- David Tepper — Appaloosa LP ($153.6M) (▼ 28.1% qoq shares)
- Lee Ainslie — Maverick Capital ($50.9M) · avg cost $182.69
- HHLR Advisors — HHLR Advisors ($1.0M) · avg cost $191.81
Whale cost basis vs current price
The aggregate tracked cost basis is $125.39 versus a current price of $221.05, so GLW trades above its cost basis (+76.3%). Average unrealized P&L across tracked holders: 60%.
Sector positioning — Information Technology
GLW sits within the Information Technology sector alongside 131 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 GLW 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 GLW with these Whale Analyzer Academy guides:
Frequently asked questions
Who owns GLW stock?
Whale Analyzer tracks 9 public institutional holders of GLW with a combined reported value of $4.86B. See the holder table above for the largest tracked positions.
Which top funds are buying GLW?
Tracked institutions were net buying last quarter — 5 increased, 4 reduced. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is GLW ownership?
The top five tracked holders report 95.8% of aggregate ownership.
Is GLW above or below the whale cost basis?
The aggregate tracked cost basis is $125.39 versus a current price of $221.05 (+76.3%).
What does 13F ownership mean for GLW?
Use the interactive GLW dashboard on Whale Analyzer for real-time holder analysis, or read our 13F Alpha Signals Guide.