Position in GLW
as of Jun 30, 2026
· filed Jul 29, 2026
Position Value
$100,654,234
+$47,936,218 QoQ
Shares Held
394,058
+1.6% QoQ
Ownership
0.046%
of shares outstanding
% of Portfolio
5.47%
of 13F equity value
Holder Rank
#138
of 2,672 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in GLW Over Time
Shares Held
Position Value (USD)
Position in Electronic Components
Technology · as of Jun 30, 2026Main Street Research LLC holds $155,087,039 across 2 Electronic Components names. GLW ranks #1 (64.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GLW |
Corning Inc /Ny
This page
|
394,058 | $100,654,234 | |
| 2 | APH |
Amphenol Corp /De/
|
617,432 | $54,432,805 |
All Filings in GLW
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2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $100,654,234 | 394,058 | Shares | Sole | 2026-07-29 | |
| 2026-03-31 | $52,718,016 | 387,718 | Shares | Sole | 2026-04-30 | |
| No filing history on record for this holder in this stock. | ||||||