GLW

CORNING INC

Data as of 2026 Q2 (06-30) · 13F snapshot

Summary

CORNING INC (GLW) is held as common stock by 9 tracked hedge-fund managers, with a combined reported value of ~$1.46B; the largest are Stephen Mandel, Alex Sacerdote, Ken Griffin. 4 tracked managers also disclosed PUT or CALL positions, reported separately below. This quarter: 1 new, 2 added, 6 trimmed, 3 closed. 20 public STOCK Act / OGE trade disclosures are on record. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.

Attention · HighThis quarter · Cooling

Common-stock holders94 also report options

Congress trades20

Price$158.71vs quarter-end-37.87%

Sectors2

This quarter's moves

New1

Added2

Trimmed / sold9

Top holder

Stephen Mandel

Common-stock positions

PUT and CALL disclosures are excluded from these holder counts and values.

Stephen MandelTrim

Value $696.83M4.3% of portfolio2,728,0582026 Q2

Zhang LeiAdd

Value $2.62M0.3% of portfolio10,2662026 Q2

Investor	Period	Value	Shares	% of portfolio	Action
Stephen Mandel	2026 Q2	$696.83M	2,728,058	4.3%	Trim
Zhang Lei	2026 Q2	$2.62M	10,266	0.3%	Add

PUT / CALL disclosures

Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.

Ken GriffinPUT—

Value $893.06M— of portfolio3,496,3002026 Q2

Ken GriffinCALL—

Value $696.05M— of portfolio2,725,0002026 Q2

Paul Tudor JonesCALL—

Value $94.53M— of portfolio370,1002026 Q2

Izzy EnglanderCALL—

Value $86.57M— of portfolio338,9002026 Q2

Izzy EnglanderPUT—

Value $84.52M— of portfolio330,9002026 Q2

Steven CohenCALL—

Value $40.74M— of portfolio159,5002026 Q2

Steven CohenPUT—

Value $39.06M— of portfolio152,9002026 Q2

Paul Tudor JonesPUT—

Value $13.13M— of portfolio51,4002026 Q2

Investor	Period	Value	Shares	% of portfolio	Action
Ken GriffinPUT	2026 Q2	$893.06M	3,496,300	—	—
Ken GriffinCALL	2026 Q2	$696.05M	2,725,000	—	—
Paul Tudor JonesCALL	2026 Q2	$94.53M	370,100	—	—
Izzy EnglanderCALL	2026 Q2	$86.57M	338,900	—	—
Izzy EnglanderPUT	2026 Q2	$84.52M	330,900	—	—
Steven CohenCALL	2026 Q2	$40.74M	159,500	—	—
Steven CohenPUT	2026 Q2	$39.06M	152,900	—	—
Paul Tudor JonesPUT	2026 Q2	$13.13M	51,400	—	—

Insider Trading

Officers · directors · Form 4

Open-market purchases and sales (P/S)14

Michelle L Gullo
Senior Vice President & CHRO
Sell$1.50M
9,874 @ $152.29Traded 2026-09-04Filed 2026-09-08
Lewis A Steverson
Vice Chairman, EVP and CLAO
Sell$1.98M
13,100 @ $151.29Traded 2026-08-28Filed 2026-08-31
WEEKS WENDELL P
Chairman, CEO and President
Sell$18.65M
100,000 @ $186.46Traded 2026-06-09Filed 2026-06-09
Jaymin Amin
SVP and Chief Tech. Officer
Sell$5.26M
27,395 @ $192.14Traded 2026-05-22Filed 2026-05-26
Avery H Nelson III
Executive Vice President & COO
Sell$3.92M
20,000 @ $195.93Traded 2026-05-15Filed 2026-05-18
Ronald L Verkleeren
SVP Emerging Innovations Group
Sell$2.08M
10,000 @ $207.77Traded 2026-05-13Filed 2026-05-14
John Z Zhang
Exec. Vice President & CCDO
Sell$1.98M
10,000 @ $198.34Traded 2026-05-11Filed 2026-05-12
Michaune D Tillman
SVP and General Counsel
Sell$674.9K
3,260 @ $207.02Traded 2026-05-11Filed 2026-05-12
Soumya Seetharam
Senior Vice President & CDIO
Sell$4.12M
20,000 @ $206.23Traded 2026-05-11Filed 2026-05-12
Stefan Becker
SVP, Finance & Corp Controller
Sell$3.95M
21,000 @ $188.08Traded 2026-05-08Filed 2026-05-08
Lewis A Steverson
Vice Chairman, EVP and CLAO
Sell$5.44M
27,750 @ $196.06Traded 2026-05-08Filed 2026-05-08
Michelle L Gullo
Senior Vice President & CHRO
Sell$1.00M
5,315 @ $189.03Traded 2026-05-08Filed 2026-05-08
Edward A Schlesinger
Exec. Vice President and CFO
Sell$4.20M
22,562 @ $186.08Traded 2026-05-07Filed 2026-05-07
John Z Zhang
Exec. Vice President & CCDO
Sell$2.77M
15,000 @ $184.67Traded 2026-05-06Filed 2026-05-06

Insider transactions are public SEC Form 4 disclosures (company officers, directors, 10% owners), for research only — not investment advice.

Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.