$GLW

$127.74 +$4.05 (3.27%) Close

$GLW Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 861.4M shares outstanding

Who owns GLW?

By type of holder

Institutions 73.0% Insiders 0.3% Everyone else 26.6%

Concentration Top 10 holders own 36.4%

BlackRock, Inc. 7.6% · Vanguard Capital Management LLC 5.9%

Institutional ownership

73.0%

+2.2 pts vs last qtr

Institutional holders

2,678

+413 vs last qtr

Net shares bought

+18.6M

by institutions in Q2 2026

New / sold out

578 / 165

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Jpmorgan Chase & Co +24.1M
Norges Bank NEW +10.2M

Biggest sellers in Q2 2026

Vanguard Portfolio Management LLC −9.4M
Jane Street Group, LLC −2.9M

Who is planning to sell?

Notices of proposed sale, last 12 months

$98.2M

31 notices from 18 people

Shares covered

612.3K

0.07% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Wendell Weeks Officer $40M
Lewis Steverson Officer $9.42M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−23.9%

−2.98% a year

Each share's claim on the business

+31.3%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$10.8B vs $1.54B

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years80% 3–5 years1% 1–3 years6% Under 1 year13%

Quarterly turnover

13.0%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting GLW on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	65.8M	7.63%	−944.9K (−1.4%)	≤2021	0.3%
Shares held by quarter Peak holding66.7M (Q1'26) Change over 8 quarters+4.5M Share of the company7.630% BlackRock, Inc.'s full portfolio →
VC Vanguard Capital Management LLC	50.8M	5.90%	+375.2K (+0.7%)	≤2021	0.3%
Shares held by quarter Peak holding50.8M (Q2'26) Change over 8 quarters+50.8M Share of the company5.900% Vanguard Capital Management LLC's full portfolio →

BlackRock, Inc.

65.8M

% of company

7.63%

Change vs last qtr

−944.9K (−1.4%)

Held since

≤2021

Vanguard Capital Management LLC

50.8M

% of company

5.90%

Change vs last qtr

+375.2K (+0.7%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Corning Incorporated, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting GLW on Form N-PORT; together they hold 30.4% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$6.27B	24.5M	2.85%	0.27%	June 30, 2026
V5 Vanguard 500 Index Fund Vanguard Index Funds	$5.18B	20.3M	2.36%	0.31%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$6.27B

% of company

2.85%

% of the fund

0.27%

As of

June 30, 2026

Vanguard 500 Index Fund

Vanguard Index Funds

Position value

$5.18B

% of company

2.36%

% of the fund

0.31%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Corning Incorporated and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
WW Weeks Wendell P Insider	1.7M	0.20%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.200% Weeks Wendell P's insider activity →
CR Cummings Robert F JR Insider	153.5K	0.02%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.020% Cummings Robert F JR's insider activity →

Weeks Wendell P

Insider

1.7M

% of company

0.20%

Change vs last qtr

—

Held since

—

Cummings Robert F JR

Insider

153.5K

% of company

0.02%

Change vs last qtr

—

Held since

—

25 more holders behind a free account

See every insider and 5%+ holder of Corning Incorporated.

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