Ticker · CUSIP 219350105
Holders (tracked)
28
Combined shares
45,145,690
Combined value
$3.25B
Last close
$166.08
Quarter
2025Q4
Tracked holders · last 8 quarters
+10 vs previous quarter over the last 8.
Price is +130.7% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
30 events
- Whale Rock Capital added2026-02-17+47,494 shares · 2025Q413F
- David Tepper (Appaloosa) trimmed2026-02-17−54,800 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−287,616 shares · 2025Q413F
- T. Rowe Price trimmed2026-02-17−1,249,300 shares · 2025Q413F
- Wellington Management trimmed2026-02-17−3,985,304 shares · 2025Q413F
- +90,065 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−13,227 shares · 2025Q413F
- Two Sigma Investments trimmed2026-02-17−167,349 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−78,532 shares · 2025Q413F
- Steve Cohen (Point72) trimmed2026-02-17−40,989 shares · 2025Q413F
- AQR Capital Management trimmed2026-02-17−11,793 shares · 2025Q413F
- Dodge & Cox trimmed2026-02-13−3,050 shares · 2025Q413F
- +19,988 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+10,523,469 shares · 2025Q413F
- Ken Fisher (Fisher Asset Mgmt) added2026-02-09+830 shares · 2025Q413F
- Mario Gabelli (GAMCO) trimmed2026-02-05−9,623 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−2,576,503 shares · 2025Q313F
- Steve Cohen (Point72) trimmed2025-11-14−2,099,891 shares · 2025Q313F
- Two Sigma Investments opened position2025-11-14+247,551 shares · 2025Q313F
- D.E. Shaw & Co. trimmed2025-11-14−3,396,579 shares · 2025Q313F
- AQR Capital Management trimmed2025-11-14−425,657 shares · 2025Q313F
- Whale Rock Capital added2025-11-14+746,980 shares · 2025Q313F
- T. Rowe Price trimmed2025-11-14−1,553,920 shares · 2025Q313F
- Wellington Management added2025-11-14+3,848,540 shares · 2025Q313F
- Stanley Druckenmiller (Duquesne) exited2025-11-14−623,145 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−10,171,811 shares · 2025Q313F
- David Tepper (Appaloosa) trimmed2025-11-13−125,000 shares · 2025Q313F
- Norges Bank (Norway SWF) trimmed2025-11-12−319,203 shares · 2024Q313F
- Mario Gabelli (GAMCO) trimmed2025-11-12−18,938 shares · 2025Q313F
- Ken Fisher (Fisher Asset Mgmt) added2025-11-12+1,974 shares · 2025Q313F
Insider activity
Last 30 days
Net (open-market)
$0
Buys
0 · $0
Sells
0 · $0
Unique insiders
12
| Date | Insider | Code | Shares | Price | Value |
|---|---|---|---|---|---|
| 04-15 | O'Day Michael Paul SVP and GM, Optical Comm. · Officer | F | 8,410 | $168.27 | $1.42M |
| 04-15 | O'Day Michael Paul SVP and GM, Optical Comm. · Officer | M | 6,244 | — | $0 |
| 04-15 | O'Day Michael Paul SVP and GM, Optical Comm. · Officer | M | 14,092 | — | $0 |
| 04-15 | Gullo Michelle L Senior Vice President & CHRO · Officer | F | 6,198 | $168.27 | $1.04M |
| 04-15 | Gullo Michelle L Senior Vice President & CHRO · Officer | M | 3,793 | — | $0 |
| 04-15 | Gullo Michelle L Senior Vice President & CHRO · Officer | M | 9,356 | — | $0 |
| 04-15 | Seetharam Soumya Senior Vice President & CDIO · Officer | F | 17,622 | $168.27 | $2.97M |
| 04-15 | Seetharam Soumya Senior Vice President & CDIO · Officer | M | 13,734 | — | $0 |
| 04-15 | Seetharam Soumya Senior Vice President & CDIO · Officer | M | 31,046 | — | $0 |
| 04-15 | Zhang John Z Exec. Vice President & CCDO · Officer | M | 18,884 | — | $0 |
| 04-15 | Schlesinger Edward A Exec. Vice President and CFO · Officer | F | 30,715 | $168.27 | $5.17M |
| 04-15 | STEVERSON LEWIS A Vice Chairman, EVP and CLAO · Officer | M | 71,118 | — | $0 |
| 04-15 | WEEKS WENDELL P Chairman, CEO and President · Officer, Director | M | 235,610 | — | $0 |
| 04-15 | WEEKS WENDELL P Chairman, CEO and President · Officer, Director | F | 165,622 | $168.27 | $27.87M |
| 04-15 | WEEKS WENDELL P Chairman, CEO and President · Officer, Director | M | 104,474 | — | $0 |
| 04-15 | STEVERSON LEWIS A Vice Chairman, EVP and CLAO · Officer | M | 31,109 | — | $0 |
| 04-15 | STEVERSON LEWIS A Vice Chairman, EVP and CLAO · Officer | F | 49,786 | $168.27 | $8.38M |
| 04-15 | Schlesinger Edward A Exec. Vice President and CFO · Officer | M | 43,981 | — | $0 |
| 04-15 | Schlesinger Edward A Exec. Vice President and CFO · Officer | M | 19,088 | — | $0 |
| 04-15 | Kammerud Jordana Daryl SVP · Officer | M | 5,670 | — | $0 |
| 04-15 | Kammerud Jordana Daryl SVP · Officer | M | 12,845 | — | $0 |
| 04-15 | Kammerud Jordana Daryl SVP · Officer | F | 9,018 | $168.27 | $1.52M |
| 04-15 | Nelson Avery H III Executive Vice President & COO · Officer | M | 17,838 | — | $0 |
| 04-15 | Nelson Avery H III Executive Vice President & COO · Officer | M | 41,173 | — | $0 |
| 04-15 | Nelson Avery H III Executive Vice President & COO · Officer | F | 28,740 | $168.27 | $4.84M |
Follow-the-investor returns
If you'd copied each holder of GLW…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| T. Rowe Price | 2016Q1 | $4.59 | +3515.8% | $1.33B |
| Dodge & Cox | 2016Q1 | $20.98 | +691.5% | $6.1M |
| Mario Gabelli (GAMCO) | 2016Q1 | $28.66 | +479.5% | $32.0M |
| Norges Bank (Norway SWF) | 2016Q1 | $29.37 | +465.5% | $1.75B |
| Ray Dalio (Bridgewater Associates) | 2016Q1 | $37.08 | +347.9% | $3.3M |
| Wellington Management | 2016Q1 | $42.29 | +292.8% | $2.09B |
| Ken Fisher (Fisher Asset Mgmt) | 2017Q3 | $43.18 | +284.6% | $2.1M |
| David Tepper (Appaloosa) | 2024Q4 | $47.30 | +251.1% | $260.8M |
| AQR Capital Management | 2016Q1 | $49.86 | +233.1% | $246.7M |
| Whale Rock Capital | 2025Q2 | $61.45 | +170.3% | $443.4M |
| Steve Cohen (Point72) | 2016Q1 | $81.71 | +103.3% | $27.3M |
| Steve Cohen (Point72) | 2016Q1 | $81.71 | +103.3% | $27.3M |
| Steve Cohen (Point72) | 2016Q1 | $81.71 | +103.3% | $27.3M |
| Paul Tudor Jones (Tudor Investment) | 2016Q3 | $83.83 | +98.1% | $5.5M |
| Paul Tudor Jones (Tudor Investment) | 2016Q3 | $83.83 | +98.1% | $5.5M |
| Paul Tudor Jones (Tudor Investment) | 2016Q3 | $83.83 | +98.1% | $5.5M |
| D.E. Shaw & Co. | 2016Q1 | $85.53 | +94.2% | $7.2M |
| D.E. Shaw & Co. | 2016Q1 | $85.53 | +94.2% | $7.2M |
| D.E. Shaw & Co. | 2016Q1 | $85.53 | +94.2% | $7.2M |
| Two Sigma Investments | 2016Q1 | $85.65 | +93.9% | $830K |
| Two Sigma Investments | 2016Q1 | $85.65 | +93.9% | $830K |
| Two Sigma Investments | 2016Q1 | $85.65 | +93.9% | $830K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $86.81 | +91.3% | $280.2M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $86.81 | +91.3% | $280.2M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $86.81 | +91.3% | $280.2M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $87.04 | +90.8% | $13.9M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $87.04 | +90.8% | $13.9M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $87.04 | +90.8% | $13.9M |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions3
- Norges Bank (Norway SWF)+10,523,469$921.4M
- Paul Tudor Jones (Tudor Investment)+90,065$7.9M
- Ray Dalio (Bridgewater Associates)+19,988$1.8M
Added to2
- Whale Rock Capital+47,494$4.2M
- Ken Fisher (Fisher Asset Mgmt)+830$73K
Trimmed11
- Wellington Management−3,985,304$349.0M
- Ken Griffin (Citadel Advisors)−287,616$25.2M
- Two Sigma Investments−167,349$14.7M
- Izzy Englander (Millennium Mgmt)−78,532$6.9M
- David Tepper (Appaloosa)−54,800$4.8M
- Steve Cohen (Point72)−40,989$3.6M
- D.E. Shaw & Co.−13,227$1.2M
- AQR Capital Management−11,793$1.0M
- Mario Gabelli (GAMCO)−9,623$843K
- Dodge & Cox−3,050$267K
- + 1 more…
Exited0
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Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 20 | $275.25B |
| 2022Q2 | 23 | $224.24B |
| 2022Q3 | 22 | $208.1M |
| 2022Q4 | 23 | $3.32B |
| 2023Q1 | 22 | $3.55B |
| 2023Q2 | 19 | $3.44B |
| 2023Q3 | 18 | $2.18B |
| 2023Q4 | 20 | $2.25B |
| 2024Q1 | 17 | $3.40B |
| 2024Q2 | 15 | $4.53B |
| 2024Q3 | 20 | $2.64B |
| 2024Q4 | 22 | $1.20B |
| 2025Q1 | 21 | $1.75B |
| 2025Q2 | 22 | $2.24B |
| 2025Q3 | 18 | $2.50B |
| 2025Q4 | 28 | $3.25B |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2026-03-25 | Gilbert Cisneros | Buy | $1K – $15K | PDF ↗ |
| 2025-05-28 | Josh Gottheimer | Buy | $1K – $15K | PDF ↗ |
| 2025-05-22 | Josh Gottheimer | Buy | $1K – $15K | PDF ↗ |
| 2025-05-14 | Marjorie Taylor Greene | Buy | $1K – $15K | PDF ↗ |
| 2025-05-05 | Marjorie Taylor Greene | Buy | $1K – $15K | PDF ↗ |
| 2025-04-09 | Josh Gottheimer | Sell | $1K – $15K | PDF ↗ |
| 2025-04-08 | Rob Bresnahan | Buy | $1K – $15K | PDF ↗ |
| 2025-01-30 | Josh Gottheimer | Buy | $1K – $15K | PDF ↗ |
| 2025-01-27 | Josh Gottheimer | Buy | $1K – $15K | PDF ↗ |
Who owns GLW
28 super-investors · 2025Q4
Tracked stake
45.15M
shares
Combined value
$3.25B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New5Added2Trim21
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Wellington Management | 12.57M | $1.10B |
| 2 | Norges Bank Norway SWF | 10.52M | $921M |
| 3 | Whale Rock Capital | 2.67M | $234M |
| 4 | Ken Griffin Citadel Advisors | 1.98M | $174M |
| 5 | Ken Griffin Citadel Advisors | 1.69M | $148M |
| 6 | David Tepper Appaloosa | 1.57M | $137M |
| 7 | AQR Capital Management | 1.49M | $130M |
| 8 | Izzy Englander Millennium Mgmt | 1.46M | $128M |
| 9 | Steve Cohen Point72 | 1.23M | $108M |
| 10 | Paul Tudor Jones Tudor Investment | 413.3K | $36M |
| 11 | Steve Cohen Point72 | 202.0K | $18M |
| 12 | D.E. Shaw & Co. | 200.6K | $18M |
| 13 | Mario Gabelli GAMCO | 192.6K | $17M |
| 14 | Ken Griffin Citadel Advisors | 179.0K | $16M |
| 15 | Steve Cohen Point72 | 164.4K | $14M |
| 16 | Izzy Englander Millennium Mgmt | 115.2K | $10M |
| 17 | Paul Tudor Jones Tudor Investment | 90.1K | $8M |
| 18 | Izzy Englander Millennium Mgmt | 83.4K | $7M |
| 19 | Two Sigma Investments | 80.2K | $7M |
| 20 | D.E. Shaw & Co. | 43.5K | $4M |
| 21 | D.E. Shaw & Co. | 43.5K | $4M |
| 22 | Dodge & Cox | 36.9K | $3M |
| 23 | Paul Tudor Jones Tudor Investment | 33.0K | $3M |
| 24 | Ray Dalio Bridgewater Associates | 20.0K | $2M |
| 25 | Ken Fisher Fisher Asset Mgmt | 12.8K | $1M |
| 26 | T. Rowe Price | 8.03M | $704K |
| 27 | Two Sigma Investments | 8.0K | $700K |
| 28 | Two Sigma Investments | 5.0K | $438K |
Recent moves
20 transactions
- −167,349 · 2025Q4
- +47,494 · 2025Q4
- −40,989 · 2025Q4
- +90,065 · 2025Q4
- −287,616 · 2025Q4
- −78,532 · 2025Q4
- −11,793 · 2025Q4
- TRIMD.E. Shaw & Co.−13,227 · 2025Q4
- −54,800 · 2025Q4
- TRIMT. Rowe Price−1,249,300 · 2025Q4
- −3,985,304 · 2025Q4
- +19,988 · 2025Q4
- TRIMDodge & Cox−3,050 · 2025Q4
- +10,523,469 · 2025Q4
- +830 · 2025Q4
- −9,623 · 2025Q4
- −2,099,891 · 2025Q3
- −2,576,503 · 2025Q3
- +247,551 · 2025Q3
- TRIMD.E. Shaw & Co.−3,396,579 · 2025Q3
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