Ownership history in BCK Partners, Inc. · 20 quarters on record
This page tracks every 13F SEC filing in which BCK Partners, Inc. reported a position in CORNING INC (GLW). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q4 | REDUCED | 21,949 | -9,456 | -30.1% | 1.04% | $1.9M | $87.40 |
| 2025 Q3 | ADDED | 31,405 | +3,913 | +14.2% | 1.39% | $2.6M | $81.60 |
| 2025 Q2 | ADDED | 27,492 | +647 | +2.4% | 0.85% | $1.4M | $52.10 |
| 2025 Q1 | REDUCED | 26,845 | -32,564 | -54.8% | 0.77% | $1.2M | $45.10 |
| 2024 Q4 | REDUCED | 59,409 | -2,760 | -4.4% | 1.73% | $2.8M | $46.55 |
| 2024 Q3 | REDUCED | 62,169 | -8,692 | -12.3% | 1.34% | $2.8M | $43.96 |
| 2024 Q2 | ADDED | 70,861 | +38,632 | +119.9% | 1.42% | $2.8M | $37.57 |
| 2024 Q1 | REDUCED | 32,229 | -580 | -1.8% | 0.57% | $1.1M | $31.64 |
| 2023 Q4 | ADDED | 32,809 | +1,323 | +4.2% | 0.57% | $999K | $28.98 |
| 2023 Q3 | ADDED | 31,486 | +96 | +0.3% | 0.60% | $959K | $28.71 |
As of 2025 Q4 — sorted by position size