Lantronix, Inc. (LTRX) Ownership
LTRX ownership summary
as of October 18, 2026- Institutions
- 65.7% of shares outstanding
- Insiders
- 11.00% of shares outstanding
- Shares outstanding
- 46.9M
- Float
- 39.1M shares available to trade
- Short interest
- 5.77% 2.6M shares short
- Days to cover
- 2.07 short interest up 5.1% vs prior month
- Institutions 65.71%
- Insiders 11.00%
- Other investors 23.28%
LTRX top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Needham Investment Management, LLC | 6.72% | 3.1M | $17.7M | +3.1M (0.0%) | June 30, 2026 |
| 2 | BlackRock Inc | 4.74% | 2.2M | $12.5M | +1.9M (+639.5%) | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 3.31% | 1.6M | $8.7M | +84,434 (+5.8%) | June 30, 2026 |
| 4 | State Street Corp | 2.95% | 1.4M | $7.7M | +1.1M (+447.1%) | June 30, 2026 |
| 5 | Awm Investment Company Inc | 2.67% | 1.2M | $7.0M | +1.2M (0.0%) | June 30, 2026 |
| 6 | Royce & Associates, LP | 2.59% | 1.2M | $6.8M | +389,760 (+47.2%) | June 30, 2026 |
| 7 | Heartland Advisors Inc | 1.92% | 900K | $5.0M | — | June 30, 2026 |
| 8 | Geode Capital Management, LLC | 1.91% | 897K | $5.0M | +497,805 (+124.7%) | June 30, 2026 |
| 9 | Two Sigma Investments LLC | 1.79% | 838K | $4.7M | +313,756 (+59.8%) | June 30, 2026 |
| 10 | Dimensional Fund Advisors, Inc. | 1.74% | 815K | $4.6M | +16,946 (+2.1%) | June 30, 2026 |
| 11 | Citadel Advisors Llc | 1.68% | 787K | $4.4M | +512,531 (+186.8%) | June 30, 2026 |
| 12 | Renaissance Technologies Corp | 1.63% | 765K | $4.3M | +74,694 (+10.8%) | June 30, 2026 |
| 13 | Jacobs Levy Equity Management, Inc. | 1.58% | 739K | $4.1M | +335,076 (+83.0%) | June 30, 2026 |
| 14 | Acadian Asset Management LLC | 1.46% | 683K | $3.8M | +315,482 (+85.9%) | June 30, 2026 |
| 15 | Manatuck Hill Partners LLC | 1.44% | 677K | $3.8M | +186,667 (+38.0%) | June 30, 2026 |
| 16 | Essex Investment Management Company, LLC | 1.41% | 662K | $3.7M | +319,581 (+93.3%) | June 30, 2026 |
| 17 | Soviero Asset Management, LP | 1.24% | 580K | $3.3M | −70,000 (−10.8%) | June 30, 2026 |
| 18 | Deutsche Bank AG | 1.21% | 566K | $3.2M | +35,356 (+6.7%) | June 30, 2026 |
| 19 | Arrowstreet Capital Limited Partnership | 1.19% | 559K | $3.1M | −385,575 (−40.8%) | June 30, 2026 |
| 20 | Morgan Stanley - Brokerage Accounts | 1.17% | 546K | $3.1M | +78,637 (+16.8%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 17 holders added 10.6M shares and 2 cut 456K.
LTRX top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Needham Aggressive Growth Retail | 5.57% | 2.6M | $14.6M | +210,000 (+8.8%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 2.42% | 1.1M | $6.4M | — | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 2.07% | 971K | $5.4M | −11,200 (−1.1%) | September 30, 2026 |
| 4 | Heartland Value Investor | 1.92% | 900K | $5.0M | — | September 30, 2026 |
| 5 | Royce Small-Cap Opportunity Invmt | 1.58% | 741K | $4.2M | +166,506 (+29.0%) | September 30, 2026 |
| 6 | Needham Small Cap Growth Retail | 1.54% | 722K | $4.1M | −27,500 (−3.7%) | September 30, 2026 |
| 7 | First Eagle Small Cap Opportunity I | 1.49% | 699K | $3.9M | +150,397 (+27.4%) | September 30, 2026 |
| 8 | FTGF RY US SmCp Opp A USD Dis(A) | 1.41% | 661K | $3.7M | +46,613 (+7.6%) | August 31, 2026 |
| 9 | Stt Strt®SPDR®S&PKenshoNwEcosComposETF | 1.40% | 657K | $3.7M | — | September 30, 2026 |
| 10 | Xtrackers MSCI World Swap ETF 1C | 1.12% | 527K | $3.0M | −3,318 (−0.6%) | December 31, 2025 |
| 11 | Fidelity Small Cap Index | 0.83% | 390K | $2.2M | +3,307 (+0.9%) | July 31, 2026 |
| 12 | iShares Russell 2000 Growth ETF | 0.79% | 368K | $2.1M | −466 (−0.1%) | September 30, 2026 |
| 13 | Stt Strt® SPDR® S&PKenshoFutSecETF | 0.52% | 244K | $1.4M | — | September 30, 2026 |
| 14 | Vanguard Russell 2000 ETF | 0.50% | 232K | $1.3M | +28,390 (+13.9%) | September 30, 2026 |
| 15 | 1290 Essex Small Cap Growth I | 0.48% | 225K | $1.3M | — | August 31, 2026 |
| 16 | DFA US Small Cap I | 0.38% | 176K | $986,199 | — | August 31, 2026 |
| 17 | Fidelity Extended Market Index | 0.37% | 173K | $970,867 | +13,589 (+8.5%) | August 31, 2026 |
| 18 | First Eagle U.S. SMID Cap Opportunity R6 | 0.33% | 155K | $869,550 | +30,000 (+24.0%) | September 30, 2026 |
| 19 | Dimensional US Small Cap ETF | 0.28% | 132K | $740,812 | — | September 30, 2026 |
| 20 | DFA US Micro Cap I | 0.27% | 129K | $722,198 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
LTRX insider transactions
latest 7| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-13 | Mathi Gurusamy | Sell | $6.21 | 14,467 | $89,840 |
| 2025-09-05 | Bernhard Bruscha | Sell | $4.64 | 12,993 | $60,288 |
| 2025-09-02 | Bernhard Bruscha | Sell | $5.03 | 10,000 | $50,300 |
| 2025-05-21 | Sailesh Chittipeddi | Buy | $2.24 | 10,000 | $22,400 |
| 2025-05-14 | Hoshi Printer | Buy | $2.28 | 10,000 | $22,800 |
| 2025-05-14 | Narbeh Derhacobian | Buy | $2.33 | 5,000 | $11,650 |
| 2025-05-13 | Saleel Awsare | Buy | $2.11 | 15,011 | $31,673 |
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.
LTRX shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns LTRX
Institutional investors own 65.7% of Lantronix's shares and insiders 11.00%. The largest holder is Needham Investment Management, LLC with 6.72% of the shares (3.1M), as of June 30, 2026. Among the top 20 institutions, 17 added shares and 2 reduced their stake in the latest filings. Short interest is 5.77% of the float, or 2.07 days of average trading volume. The share count rose 164.5% since 2014.
Related: LTRX analyst forecast, LTRX key metrics. See the LTRX stock overview for the latest quote and news.
LTRX ownership FAQ
Who owns the most Lantronix stock?
The largest shareholders of Lantronix are Needham Investment Management, LLC (6.72%), BlackRock Inc (4.74%), Vanguard Capital Management, LLC (3.31%), State Street Corp (2.95%), Awm Investment Company Inc (2.67%).
What percentage of Lantronix is owned by institutions?
Institutions hold 65.7% of Lantronix's shares outstanding; insiders hold 11.00%.
Which funds own Lantronix?
The largest fund holders of Lantronix are Needham Aggressive Growth Retail (5.57%), Vanguard MStar Total Stk Mkt Idx Invest (2.42%), iShares Russell 2000 ETF (2.07%), Heartland Value Investor (1.92%), Royce Small-Cap Opportunity Invmt (1.58%).
What is Lantronix's short interest?
2.6M shares of Lantronix were sold short, 5.77% of the float; at the average daily volume it would take 2.07 days to cover.
Are insiders buying or selling Lantronix?
Of the latest 7 reported insider transactions in Lantronix (since May 13, 2025), 4 were purchases and 3 were sales.
How many shares of Lantronix are outstanding?
Lantronix has 46.9M shares outstanding, of which 39.1M are in the public float.