MARK SHEPTOFF FINANCIAL PLANNING, LLC

Position in GLW — Corning Inc /Ny

CIK 1607355 GLASTONBURY, CT

Position in GLW

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$70,243

+$32,852 QoQ

Shares Held

275

0.0% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

#2,506

of 2,660 holders

Holding Since

Jun 2020

25 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

MARK SHEPTOFF FINANCIAL PLANNING, LLC holds $11,146,081 across 7 Electronic Components names. GLW ranks #3 (0.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CLS	Celestica Inc	29,580	$10,790,784
2	FLEX	Flex Ltd.	1,500	$243,105
3	GLW	Corning Inc /Ny This page	275	$70,243
4	TEL	TE Connectivity plc	100	$20,161
5	RAL	Ralliant Corp	149	$10,970
6	KN	Knowles Corp	250	$10,370
7	KOPN	Kopin Corp	100	$448

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$70,243	275	0.0%	Shares	Sole	2026-08-13
2026-03-31	$37,391	275	-82.5%	Shares	Sole	2026-05-11
2025-12-31	$137,907	1,575	0.0%	Shares	Sole	2026-02-12
2025-09-30	$129,197	1,575	0.0%	Shares	Sole	2025-11-13
2025-06-30	$82,829	1,575	0.0%	Shares	Sole	2025-08-06
2025-03-31	$72,103	1,575	0.0%	Shares	Sole	2025-05-13
2024-12-31	$74,844	1,575	0.0%	Shares	Sole	2025-02-12
2024-09-30	$71,111	1,575	0.0%	Shares	Sole	2024-11-14
2024-06-30	$61,188	1,575	+21.2%	Shares	Sole	2024-08-12
2024-03-31	$42,848	1,300	0.0%	Shares	Sole	2024-05-10
2023-12-31	$39,585	1,300	0.0%	Shares	Sole	2024-02-09
2023-09-30	$39,611	1,300	0.0%	Shares	Sole	2023-11-13
2023-06-30	$45,552	1,300	0.0%	Shares	Sole	2023-08-10
2023-03-31	$45,864	1,300	0.0%	Shares	Sole	2023-05-11
2022-12-31	$41,522	1,300	0.0%	Shares	Sole	2023-02-14
2022-09-30	$37,726	1,300	0.0%	Shares	Sole	2022-11-09
2022-06-30	$40,963	1,300	-27.8%	Shares	Sole	2022-08-11
2022-03-31	$66,438	1,800	0.0%	Shares	Sole	2022-05-12
2021-12-31	$67,014	1,800	-83.6%	Shares	Sole	2022-02-11
2021-09-30	$400,039	10,963	-79.7%	Shares	Sole	2021-11-10
2021-06-30	$2,209,377	54,019	-2.0%	Shares	Sole	2021-08-12
2021-03-31	$2,398,401	55,123	+4.6%	Shares	Sole	2021-05-11
2020-12-31	$1,897,668	52,713	+14.7%	Shares	Sole	2021-02-11
2020-09-30	$1,489,433	45,956	+921.2%	Shares	Sole	2020-11-12
2020-06-30	$116,550	4,500	—	Shares	Sole	2020-08-10
No filing history on record for this holder in this stock.