Winthrop Advisory Group LLC
- SEC CIK
- 0001739043
- Latest filing
- Jul 17, 2026
GLW holding history
Corning Inc in every 13F filed by Winthrop Advisory Group LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
GLW overviewAll 13F holders of GLWFull Q2 2026 holdings
- Shares (Q2 2026)
- 2,040
- Value
- $521.0K
- % of portfolio
- <0.1%
- Quarters held
- 2
- Since Q1 2026