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Costello Asset Management, INC

Position in GLW — Corning Inc /Ny

CIK 1760145 FEASTERVILLE, PA

Position in GLW

as of Jun 30, 2026 · filed Jul 28, 2026
Position Value
$393,617
+$175,930 QoQ
Shares Held
1,541
-3.7% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
#1,970
of 2,660 holders
Holding Since
Jun 2020
23 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in GLW Over Time

Shares Held

Position Value (USD)

Position in Electronic Components

Technology · as of Jun 30, 2026

Costello Asset Management, INC holds $433,939 across 2 Electronic Components names. GLW ranks #1 (90.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 GLW
Corning Inc /Ny
This page
1,541 $393,617

All Filings in GLW

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23 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $393,617 1,541
2026-03-31 $217,687 1,601
2025-12-31 $85,458 976
2025-09-30 $77,682 947
2025-06-30 $50,433 959
2025-03-31 $45,047 984
2024-12-31 $7,888 166
2024-09-30 $7,449 165
2024-06-30 $6,371 164
2024-03-31 $5,372 163
2023-12-31 $4,902 161
2023-09-30 $20,110 660
2023-06-30 $23,056 658
2023-03-31 $5,538 157
2022-12-31 $1,788 56
2022-09-30 $8,851 305
2022-06-30 $9,547 303
2021-09-30 $72,980 2,000
2021-06-30 $81,800 2,000
2021-03-31 $87,020 2,000
2020-12-31 $72,000 2,000
2020-09-30 $64,820 2,000
2020-06-30 $51,800 2,000