Lightwave Logic, Inc. (LWLG) Ownership
LWLG ownership summary
as of October 18, 2026- Institutions
- 38.0% of shares outstanding
- Insiders
- 1.03% of shares outstanding
- Shares outstanding
- 154.2M
- Float
- 152.4M shares available to trade
- Short interest
- 17.44% 26.8M shares short
- Days to cover
- 9.68 short interest up 3.1% vs prior month
- Institutions 38.02%
- Insiders 1.03%
- Other investors 60.95%
LWLG top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 8.33% | 12.3M | $48.9M | +9.8M (+398.2%) | June 30, 2026 |
| 2 | Vanguard Capital Management, LLC | 4.43% | 6.6M | $26.0M | +440,563 (+7.2%) | June 30, 2026 |
| 3 | State Street Corp | 3.01% | 4.4M | $17.6M | +2.7M (+160.9%) | June 30, 2026 |
| 4 | Vanguard Portfolio Management, LLC | 2.99% | 4.4M | $17.6M | +1.3M (+43.9%) | June 30, 2026 |
| 5 | Geode Capital Management, LLC | 2.75% | 4.1M | $16.1M | +2.2M (+118.8%) | June 30, 2026 |
| 6 | Marshall Wace Asset Management Ltd | 2.07% | 3.1M | $12.1M | −2.8M (−48.2%) | June 30, 2026 |
| 7 | UBS Group AG | 1.98% | 2.9M | $11.6M | +2.5M (+546.7%) | June 30, 2026 |
| 8 | Northern Trust Corp | 0.94% | 1.4M | $5.5M | +1.1M (+316.3%) | June 30, 2026 |
| 9 | Charles Schwab Investment Management Inc | 0.86% | 1.3M | $5.0M | +398,219 (+45.7%) | June 30, 2026 |
| 10 | Jane Street Group LLC | 0.79% | 1.2M | $4.6M | −13,294 (−1.1%) | June 30, 2026 |
| 11 | Vanguard Fiduciary Trust Co | 0.73% | 1.1M | $4.3M | +196,520 (+22.3%) | June 30, 2026 |
| 12 | LPL Financial Corp | 0.63% | 936K | $3.7M | +113,806 (+13.8%) | June 30, 2026 |
| 13 | Jupiter Asset Management Limited | 0.63% | 933K | $3.7M | +932,787 (0.0%) | June 30, 2026 |
| 14 | Susquehanna International Group, LLP | 0.49% | 725K | $2.9M | −801,613 (−52.5%) | June 30, 2026 |
| 15 | Two Sigma Investments LLC | 0.49% | 722K | $2.9M | +567,520 (+367.8%) | June 30, 2026 |
| 16 | Group One Trading, LLC | 0.35% | 511K | $2.0M | −263,190 (−34.0%) | June 30, 2026 |
| 17 | Bank of New York Mellon Corp | 0.31% | 462K | $1.8M | +421,199 (+1,033.7%) | June 30, 2026 |
| 18 | UMB Bank NA | 0.27% | 403K | $1.6M | — | June 30, 2026 |
| 19 | Qube Research & Technologies | 0.27% | 401K | $1.6M | −837,842 (−67.6%) | June 30, 2026 |
| 20 | The Goldman Sachs Group Inc | 0.26% | 390K | $1.5M | −189,611 (−32.7%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 22.7M shares and 6 cut 5.0M.
LWLG top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 3.16% | 4.7M | $18.6M | — | August 31, 2026 |
| 2 | iShares Russell 2000 ETF | 2.75% | 4.1M | $16.1M | −46,784 (−1.1%) | September 30, 2026 |
| 3 | Vanguard Information Technology ETF | 2.13% | 3.2M | $12.5M | +7,265 (+0.2%) | September 30, 2026 |
| 4 | Fidelity Small Cap Index | 1.19% | 1.8M | $7.0M | +15,726 (+0.9%) | July 31, 2026 |
| 5 | iShares Russell 2000 Growth ETF | 0.99% | 1.5M | $5.8M | −1,857 (−0.1%) | September 30, 2026 |
| 6 | Vanguard Russell 2000 ETF | 0.61% | 906K | $3.6M | −17,671 (−1.9%) | September 30, 2026 |
| 7 | Jupiter Merian Glb Eq Abs Rt I USD Acc | 0.59% | 870K | $3.5M | +869,949 (0.0%) | June 30, 2026 |
| 8 | Schwab US Small-Cap ETF™ | 0.56% | 824K | $3.3M | +549 (+0.1%) | September 30, 2026 |
| 9 | Stt Strt®SPDR®S&PKenshoNwEcosComposETF | 0.52% | 773K | $3.1M | — | September 30, 2026 |
| 10 | Fidelity Extended Market Index | 0.50% | 734K | $2.9M | −10,396 (−1.4%) | August 31, 2026 |
| 11 | Schwab Small Cap Index | 0.26% | 391K | $1.6M | — | August 31, 2026 |
| 12 | Tuttle Capital Pure Play Photonics ETF | 0.23% | 345K | $1.4M | — | September 30, 2026 |
| 13 | iShares Russell 2000 Small-Cap Idx Instl | 0.20% | 301K | $1.2M | — | August 31, 2026 |
| 14 | Fidelity Total Market Index | 0.19% | 285K | $1.1M | +1,522 (+0.5%) | August 31, 2026 |
| 15 | Stt Strt SPDR® Russell2000 US SmCapETF | 0.19% | 284K | $1.1M | −19,769 (−6.5%) | September 30, 2026 |
| 16 | Fidelity Series Total Market Index | 0.16% | 233K | $925,740 | — | August 31, 2026 |
| 17 | JPMorgan Divers Ret US Small Cap Eq ETF | 0.15% | 223K | $884,730 | — | September 30, 2026 |
| 18 | Nuveen Small Cap Blend Idx R6 | 0.14% | 213K | $843,955 | — | August 31, 2026 |
| 19 | iShares Core S&P Total US Stock Mkt ETF | 0.13% | 193K | $765,039 | +170 (+0.1%) | September 30, 2026 |
| 20 | Vanguard Russell 2000 Growth ETF | 0.12% | 170K | $674,737 | −5,027 (−2.9%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
LWLG insider transactions
latest 11| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-10 | Snizhana P Quan | Sell | $10.36 | 20,000 | $207,200 |
| 2026-04-07 | Siraj Nour El-Ahmadi | Sell | $7.76 | 54,536 | $423,199 |
| 2026-04-06 | Thomas M Connelly Jr | Sell | $8.52 | 9,000 | $76,680 |
| 2026-04-01 | Craig Ciesla | Sell | $6.81 | 11,000 | $74,910 |
| 2026-04-01 | Laila Partridge | Sell | $6.84 | 11,000 | $75,240 |
| 2026-04-01 | Ronald A Bucchi | Sell | $6.92 | 11,000 | $76,120 |
| 2026-01-27 | Siraj Nour El-Ahmadi | Sell | $3.48 | 25,591 | $89,057 |
| 2025-12-31 | Laila Partridge | Sell | $3.72 | 10,000 | $37,200 |
| 2025-10-02 | Laila Partridge | Sell | $4.11 | 10,000 | $41,100 |
| 2025-10-02 | Ronald A Bucchi | Sell | $3.97 | 10,000 | $39,700 |
| 2025-10-02 | Thomas M Connelly Jr | Sell | $4.25 | 6,000 | $25,500 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
LWLG shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns LWLG
Institutional investors own 38.0% of Lightwave Logic's shares and insiders 1.03%. The largest holder is BlackRock Inc with 8.33% of the shares (12.3M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 6 reduced their stake in the latest filings. Short interest is 17.44% of the float, or 9.68 days of average trading volume. The share count rose 122.3% since 2014.
Related: LWLG analyst forecast, LWLG key metrics. See the LWLG stock overview for the latest quote and news.
LWLG ownership FAQ
Who owns the most Lightwave Logic stock?
The largest shareholders of Lightwave Logic are BlackRock Inc (8.33%), Vanguard Capital Management, LLC (4.43%), State Street Corp (3.01%), Vanguard Portfolio Management, LLC (2.99%), Geode Capital Management, LLC (2.75%).
What percentage of Lightwave Logic is owned by institutions?
Institutions hold 38.0% of Lightwave Logic's shares outstanding; insiders hold 1.03%.
Which funds own Lightwave Logic?
The largest fund holders of Lightwave Logic are Vanguard MStar Total Stk Mkt Idx Invest (3.16%), iShares Russell 2000 ETF (2.75%), Vanguard Information Technology ETF (2.13%), Fidelity Small Cap Index (1.19%), iShares Russell 2000 Growth ETF (0.99%).
What is Lightwave Logic's short interest?
26.8M shares of Lightwave Logic were sold short, 17.44% of the float; at the average daily volume it would take 9.68 days to cover.
Are insiders buying or selling Lightwave Logic?
Of the latest 11 reported insider transactions in Lightwave Logic (since October 2, 2025), 0 were purchases and 11 were sales.
How many shares of Lightwave Logic are outstanding?
Lightwave Logic has 154.2M shares outstanding, of which 152.4M are in the public float.