Stocks › Optical Communication › LWLG

Lightwave Logic LWLG

US equityMarket cap rank #3398Optical Communication

$5.23 −$0.21 (-3.78%)

Market open · Oct 8, 12:30 pm ET · After hours $5.45 +0.37%

Open$5.38

Prev close$5.43

Day range$5.16 – $5.38

Volume1.00M

Market cap$805.52M

P/E (TTM)–

Dividend yield–

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership37.9%+0.07 pts vs. prior quarter

Institutions holding190+2 vs. prior quarter

Insider trades (recent)25 buys / 21 sellsNet buying

Short interest16.85% of floatDays to cover 10.8 · as of 15 Sep 2026

Short-sale volume share21.2%5-day average of daily volume

Short-sale volume as % of daily volume

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$378.5K (10 inflow days, 10 outflow days).

Net flow by order size, last 20 sessions

Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.

The five largest holders on file together own 21.3% of shares outstanding.

Largest holders

BlackRock7.98%
Vanguard Capital Management, LLC4.95%
State Street Global Advisors2.88%
Vanguard Portfolio Management, LLC2.87%
Geode Capital Management, LLC2.64%
UBS Asset Management2.04%
Marshall Wace LLP1.98%
Northern Trust Global Investments0.90%

By investor type

Mutual Fund29.96%
Hedge Fund3.37%
Private Company2.17%
Public Company1.74%
Individual/Insider1.13%
Government Pension Fund0.31%
Insurance Company0.22%
Family Office/Trust0.15%

Reported short interest has risen from 12.95% to 16.85% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Recent institutional activity

Holder	Type	Period	Share change	New stake
Yves LeMaitre	Individual/Insider	2026/Q3	+299,939	0.4%
Nuveen Asset Management LLC	Insurance Company	2026/Q3	+336,793	0.2%
BlackRock	Mutual Fund	2026/Q3	+9,835,780	8.0%
State Street Global Advisors	Mutual Fund	2026/Q3	+2,740,586	2.9%
UBS Asset Management	Mutual Fund	2026/Q3	+2,686,330	2.0%
Geode Capital Management, LLC	Mutual Fund	2026/Q3	+2,206,472	2.6%
Vanguard Portfolio Management, LLC	Mutual Fund	2026/Q3	+1,349,070	2.9%
Northern Trust Global Investments	Mutual Fund	2026/Q3	+1,052,451	0.9%
Jupiter Fund Management Plc	Mutual Fund	2026/Q3	+932,787	0.6%
Vanguard Capital Management, LLC	Mutual Fund	2026/Q3	+637,083	4.9%
Two Sigma Investments, LP	Hedge Fund	2026/Q3	+567,520	0.5%
BNY Mellon Asset Management	Mutual Fund	2026/Q3	+421,199	0.3%
Charles Schwab Investment Management	Mutual Fund	2026/Q3	+398,219	0.8%
Teachers Insurance and Annuity Association-College Retirement Equities Fund	Mutual Fund	2026/Q3	+342,016	0.2%
Schweizerische Nationalbank	Public Company	2026/Q3	+302,200	0.2%

Institutional buy/sell activity by reporting period, largest moves first.

Insider transactions

Date	Insider	Title	Transaction	Shares	Price	Held after
22 Sep 2026	Edward Kennedy	Director	Initial Statement of Beneficial	+0	–	10,000
11 Sep 2026	Yves LeMaitre	Director	Sale to Issuer	-310,750	$5.23	678,704
23 Jul 2026	Fred Graffam	Chief Financial Officer	Other Acquisition	+396,694	–	396,694
31 May 2026	Thomas Connelly	Director	Other Acquisition	+13,612	–	13,612
31 May 2026	Siraj El-Ahmadi	Independent Director	Other Acquisition	+13,612	–	13,612
31 May 2026	Ronald Bucchi	Lead Independent Director	Other Acquisition	+13,612	–	13,612
31 May 2026	Laila Partridge	Independent Director	Other Acquisition	+13,612	–	13,612
31 May 2026	Craig Ciesla	Independent Director	Other Acquisition	+13,612	–	13,612
31 May 2026	Snizhana Quan	Corporate Controller, Principal Financial Officer & Principal Accounting Officer	Other Acquisition	+2,500	–	30,895
31 May 2026	Snizhana Quan	Corporate Controller, Principal Financial Officer & Principal Accounting Officer	Open Market Disposition	-345	$11.41	27,185
27 Apr 2026	Ronald Bucchi	Lead Independent Director	Other Disposition	-100,000	–	197,879
9 Apr 2026	Snizhana Quan	Corporate Controller, Principal Financial Officer & Principal Accounting Officer	Derivative Exercise and Sale	-20,000	$10.36	55,925
6 Apr 2026	Siraj El-Ahmadi	Independent Director	Open Market Disposition	-34,375	$7.76	97,168
6 Apr 2026	Siraj El-Ahmadi	Independent Director	Derivative Exercise and Sale	-20,161	$7.76	97,168
5 Apr 2026	Thomas Connelly	Director	Open Market Disposition	-9,000	$8.52	77,132
31 Mar 2026	Laila Partridge	Independent Director	Intent to Sell (Form 144)	-11,000	$6.84	–
31 Mar 2026	Craig Ciesla	Independent Director	Open Market Disposition	-11,000	$6.81	118,824
31 Mar 2026	Ronald Bucchi	Lead Independent Director	Derivative Exercise and Sale	-11,000	$6.92	297,879
31 Mar 2026	Laila Partridge	Independent Director	Derivative Exercise and Sale	-11,000	$6.84	80,723
30 Mar 2026	Thomas Connelly	Director	Derivative Exercise and Retained	+20,161	–	86,132

From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.

Short interest, by report

Report date	Shares short	% of float	Days to cover
15 Sep 2026	25,972,703	16.8%	10.8
31 Aug 2026	24,239,711	15.7%	9.9
14 Aug 2026	22,959,302	14.9%	7.0
31 Jul 2026	24,226,452	15.7%	7.9
15 Jul 2026	22,567,809	14.6%	6.8
30 Jun 2026	19,952,359	12.9%	3.1

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