Whale Analyzer
GLW Institutional Holders and 13F Ownership
Compare 11 tracked holders of GLW, their reported positions and disclosed changes. Coverage is limited to the investors tracked by Whale Analyzer; these records do not establish all shareholders or current trades. Available original SEC filings for tracked 13F holders are linked below. Top tracked holders include Capital Research Global Investors, PRIMECAP Management Company, Lone Pine Capital, and Whale Rock Capital Management.
Continue to the live GLW dashboardTop holders
| Investor | Reported value | Shares | Change | Report date |
|---|---|---|---|---|
| Capital Research Global Investors 13F holdings | $6.31B | 24.7M | Increased | 2026-06-30 |
| PRIMECAP Management Company 13F holdings | $1.06B | 4.1M | Reduced | 2026-06-30 |
| Lone Pine Capital 13F holdings | $696.8M | 2.7M | Reduced | 2026-06-30 |
| Whale Rock Capital Management 13F holdings | $570.6M | 2.2M | Reduced | 2026-06-30 |
| National Pension Service 13F holdings | $542.6M | 2.1M | Reduced | 2026-06-30 |
| Mairs & Power Funds 13F holdings | $21.8M | 85.4K | Reduced | 2026-06-30 |
| Dodge & Cox 13F holdings | $8.9M | 34.7K | Reduced | 2026-06-30 |
| HHLR Advisors 13F holdings | $2.6M | 10.3K | Increased | 2026-06-30 |
| Check Capital Management 13F holdings | $1.3M | 5.0K | Held | 2026-06-30 |
| Maverick Capital 13F holdings | $1.2M | 4.8K | Reduced | 2026-06-30 |
| Bridgewater Associates 13F holdings | $333.8K | 1.3K | New | 2026-06-30 |
Original SEC filing sources
These recorded filings support the tracked 13F rows included in the aggregate reported values on this page. See each holder profile for source coverage and context for other disclosure types.
- Capital Research Global Investors SEC filing (0001422848-26-000094) · report date 2026-06-30
- PRIMECAP Management Company SEC filing (0000763212-26-000028) · report date 2026-06-30
- Lone Pine Capital SEC filing (0000919574-26-005485) · report date 2026-06-30
- Whale Rock Capital Management SEC filing (0001172661-26-003733) · report date 2026-06-30
- National Pension Service SEC filing (0001193125-26-347818) · report date 2026-06-30
- Mairs & Power Funds SEC filing (0001172661-26-003496) · report date 2026-06-30
- Dodge & Cox SEC filing (0001193125-26-349535) · report date 2026-06-30
- HHLR Advisors SEC filing (0000919574-26-005568) · report date 2026-06-30
- Check Capital Management SEC filing (0001032814-26-000007) · report date 2026-06-30
- Maverick Capital SEC filing (0000947871-26-000793) · report date 2026-06-30
- Bridgewater Associates SEC filing (0001350694-26-000003) · report date 2026-06-30
Tracked-sample concentration
Reported position value for GLW is highly concentrated within this tracked-holder sample. These percentages are not market-wide ownership shares.
- Largest tracked holder: 68.5% of aggregate reported value in this sample
- Top 5 tracked holders: 99.6% of aggregate reported value in this sample
- Top 10 tracked holders: 100.0% of aggregate reported value in this sample
Whale activity this quarter
Across 11 tracked holders, 7 reduced, 3 increased, 1 held. Net positioning is net selling.
- Capital Research Global Investors ($6.31B) (▲ 13.1% qoq shares) · modeled avg cost estimate $129.24
- PRIMECAP Management Company ($1.06B) (▼ 0.1% qoq shares)
- Lone Pine Capital ($696.8M) (▼ 26.6% qoq shares) · modeled avg cost estimate $168.63
- Whale Rock Capital Management ($570.6M) (▼ 2.8% qoq shares) · modeled avg cost estimate $48.39
- National Pension Service ($542.6M) (▼ 3.1% qoq shares) · modeled avg cost estimate $62.35
- Mairs & Power Funds ($21.8M) (▼ 3.2% qoq shares)
- Dodge & Cox ($8.9M) (▼ 4.6% qoq shares)
- HHLR Advisors ($2.6M) (▲ 33.3% qoq shares) · modeled avg cost estimate $181.83
Modeled cost estimate vs current price
The share-weighted modeled cost estimate across 6 covered tracked holders is $122.48 versus a current price of $106.13, so GLW trades below that estimate (-13.4%). This model does not establish any filer's actual purchase price, unrealized gain, or investment return.
Sector positioning — Information Technology
GLW sits within the Information Technology sector alongside 181 other tracked names. Compare reported positions across tracked peers:
How to use this page
Values are reported public positions from tracked 13F filers and disclosures — not real-time or market-wide 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 11 public-disclosure holders of GLW with a combined reported value of $9.21B. See the holder table above for the largest tracked positions.
Which top funds are buying GLW?
Tracked holders were net selling last quarter — 7 reduced, 3 increased, 1 held. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is the tracked GLW sample?
The top five tracked holders account for 99.6% of aggregate reported value in this tracked sample. This is not a market-wide ownership percentage.
How does GLW compare with the modeled cost estimate?
The share-weighted modeled cost estimate across 6 covered tracked holders is $122.48 versus a current price of $106.13 (-13.4%). It is not an actual purchase price, unrealized gain, or investment return.
What does 13F ownership mean for GLW?
These are historical reported positions from tracked filers, not real-time ownership or a complete shareholder register. Use the interactive GLW dashboard to explore them, or read our 13F Alpha Signals Guide.