GSITNasdaqSemiconductors & Related DevicesFiscal year ends March 31
GSI TECHNOLOGY INC
Financials through Q1 FY2027, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 11, 2026
$4.06+0.04 (+1.00%)
Close on Oct 19, 2026
- Market cap
- $151.62M
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
35.8%
14M of 38M shares
Institutional holders
89
36 new, 17 sold out
Net institutional buying
4M
In Q2 2026
Insider trades, 12 months
0 buys · 26 sales
Net sold $9.09M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Lee-Lean Shu | 3,543,989 | 9.00% | 13G (passive) amendment | Jun 30, 2026 |
| BlackRock, Inc. | 2,374,372 | 6.20% | 13G (passive) | Jun 30, 2026 |
| Galloway Capital, LP | 1,818,950 | 5.02% | 13D (active) | Feb 18, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of GSIT | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 2,399,846 | 6.24% | $18.55M | +1,855,848 | 0.00% |
| Vanguard Capital Management LLC | 1,350,367 | 3.51% | $10.44M | +71,935 | 0.00% |
| Price T Rowe Associates Inc /Md/ | 1,136,693 | 2.96% | $8.79K | +394,023 | 0.00% |
| Marshall Wace, Llp | 1,122,703 | 2.92% | $8.68M | +483,676 | 0.01% |
| Two Sigma Investments, LP | 875,894 | 2.28% | $6.77M | +345,690 | 0.00% |
| Geode Capital Management, LLC | 801,890 | 2.09% | $6.20M | +451,196 | 0.00% |
| Silverberg Bernstein Capital Management LLC | 783,306 | 2.04% | $6.05M | −2,400 | 2.32% |
| Wells Fargo & Company/Mn | 469,032 | 1.22% | $3.63M | +29,032 | 0.00% |
| State Street Corp | 406,972 | 1.06% | $3.15M | +268,130 | 0.00% |
| Qube Research & Technologies Ltd | 351,384 | 0.91% | $2.72M | +333,975 | 0.00% |
| Millennium Management LLC | 339,611 | 0.88% | $2.63M | −90,208 | 0.00% |
| Connor, Clark & Lunn Investment Management Ltd. | 308,520 | 0.80% | $2.38M | +192,167 | 0.00% |
| Northern Trust Corp | 238,481 | 0.62% | $1.84M | +177,433 | 0.00% |
| T. Rowe Price Investment Management, Inc. | 225,767 | 0.59% | $1.75K | New | 0.00% |
| Vanguard Portfolio Management LLC | 217,708 | 0.57% | $1.68M | New | 0.00% |
| Vanguard Fiduciary Trust Co | 214,899 | 0.56% | $1.66M | +29,557 | 0.00% |
| Gsa Capital Partners Llp | 178,168 | 0.46% | $1.38K | +106,939 | 0.09% |
| Potomac Capital Management, Inc. | 168,110 | 0.44% | $1.30M | −180,290 | 0.89% |
| UBS Group AG | 162,595 | 0.42% | $1.26M | −143,154 | 0.00% |
| Renaissance Technologies LLC | 142,901 | 0.37% | $1.10M | +64,200 | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 89 | 14M | 35.8% | 36 / 26 | 18 / 17 | 6M | 2M |
| Q1 2026 | 70 | 10M | 25.7% | 20 / 21 | 19 / 10 | 4M | 1M |
| Q4 2025 | 62 | 8M | 21.8% | 21 / 25 | 10 / 10 | 4M | 1M |
| Q3 2025 | 53 | 5M | 14.3% | 11 / 20 | 10 / 8 | 2M | 0M |
| Q2 2025 | 50 | 4M | 10.8% | 22 / 12 | 6 / 5 | 1M | 0M |
| Q1 2025 | 33 | 3M | 8.0% | 5 / 10 | 7 / 9 | 1M | 0M |
| Q4 2024 | 37 | 3M | 7.1% | 9 / 9 | 10 / 2 | 0M | 0M |
| Q3 2024 | 31 | 3M | 6.8% | 6 / 5 | 9 / 5 | 0M | 0M |
| Q2 2024 | 31 | 3M | 7.0% | 3 / 9 | 11 / 13 | 0M | 0M |
| Q1 2024 | 43 | 3M | 7.8% | 14 / 12 | 10 / 9 | 0M | 2M |
| Q4 2023 | 38 | 4M | 11.0% | 10 / 8 | 11 / 10 | 1M | 2M |
| Q3 2023 | 38 | 5M | 13.3% | 8 / 3 | 13 / 9 | 0M | 1M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of GSIT | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 979,771 | 2.55% | $7.57M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 896,352 | 2.33% | $6.93M | 0.01% | Jun 30, 2026 |
| T. Rowe Price New Horizons Fund, Inc. | 715,731 | 1.86% | $5.53M | 0.04% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 346,240 | 0.90% | $1.94M | 0.01% | Jul 31, 2026 |
| Vanguard Extended Market Index Fund | 335,883 | 0.87% | $2.60M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 Growth ETF | 265,813 | 0.69% | $2.05M | 0.01% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund | 154,474 | 0.40% | $1.53M | 0.00% | May 31, 2026 |
| T. Rowe Price Small-Cap Stock Fund, Inc. | 111,858 | 0.29% | $864.66K | 0.01% | Jun 30, 2026 |
| iShares Micro-Cap ETF | 104,584 | 0.27% | $808.43K | 0.05% | Jun 30, 2026 |
| Schwab Small-Cap Index Fund | 77,202 | 0.20% | $433.10K | 0.01% | Jul 31, 2026 |
| iShares Russell 2000 Value ETF | 62,568 | 0.16% | $483.65K | 0.00% | Jun 30, 2026 |
| Master Small Cap Index Series | 59,181 | 0.15% | $457.47K | 0.01% | Jun 30, 2026 |
| Fidelity Total Market Index Fund | 53,268 | 0.14% | $528.68K | 0.00% | May 31, 2026 |
| Ultra-Small Company Market Fund | 53,000 | 0.14% | $409.69K | 0.28% | Jun 30, 2026 |
| Fidelity Series Total Market Index Fund | 45,503 | 0.12% | $451.62K | 0.00% | May 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Lee-Lean Shu | Pres., CEO and Chairman, Director | 2,623,669 | 6.83% | Aug 14, 2026 |
| I-Chi Liao | VP, Taiwan Operations | 109,762 | 0.29% | Sep 10, 2026 |
| Bor-Tay Wu | VP, Taiwan Operations | 1,825,000 | 4.75% | Sep 10, 2026 |
| Patrick T. Chuang | Senior VP, Memory Design | 55,166 | 0.14% | Aug 14, 2026 |
| Avidan Akerib | VP, Associative Computing | 42,960 | 0.11% | Aug 14, 2026 |
| Douglas Schirle | CFO | 109,046 | 0.28% | Aug 14, 2026 |
| Ping Tak Wu | VP, U.S. Operations | 178,441 | 0.46% | Aug 14, 2026 |
| Didier Lasserre | Director | 310,907 | 0.81% | Aug 14, 2026 |
| Hong-Po Hsieh | Director | 49,074 | 0.13% | Aug 4, 2026 |
| Elizabeth Cholawsky | Director | 61,367 | 0.16% | Jul 16, 2026 |
| Ruey-Lin Lu | Director | 56,500 | 0.15% | Nov 4, 2025 |
| Ronald Steger | Director | – | – | Nov 4, 2025 |
| Jack A. Bradley | Director | 3,000 | 0.01% | Aug 8, 2025 |
| Robert Yau | Director | 923,614 | 2.40% | Oct 29, 2024 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Hong-Po Hsieh Director | Aug 3, 2026 | Option exercise | +28,074 | $1.87 | $52.50K | 49,074 |
| Hong-Po Hsieh Director | Aug 3, 2026 | Option exercise | +27,486 | $1.91 | $52.50K | 76,560 |
| Elizabeth Cholawsky Director | Jul 15, 2026 | Option exercise | +31,675 | $1.91 | $60.50K | 61,367 |
| Elizabeth Cholawsky Director | Jul 15, 2026 | Option exercise | +500 | $3.69 | $1.85K | 61,867 |
| Elizabeth Cholawsky Director | Jul 15, 2026 | Option exercise | +28,342 | $1.87 | $53.00K | 29,692 |
| Patrick T. Chuang Senior VP, Memory Design | Jun 2, 2026 | Option exercise | +40,000 | $4.08 | $163.20K | 55,166 |
| Patrick T. Chuang Senior VP, Memory Design | Jun 2, 2026 | Sale | −40,000 | $10.98 | $439.20K | 15,166 |
| Patrick T. Chuang Senior VP, Memory Design | Jun 1, 2026 | Sale | −40,000 | $11.31 | $452.40K | 15,166 |
| Patrick T. Chuang Senior VP, Memory Design | Jun 1, 2026 | Option exercise | +40,000 | $7.26 | $290.40K | 55,166 |
| Bor-Tay Wu VP, Taiwan Operations | Jun 1, 2026 | Option exercise | +20,000 | $3.68 | $73.60K | 932,500 |
| Bor-Tay Wu VP, Taiwan Operations | Jun 1, 2026 | Sale | −20,000 | $10.93 | $218.60K | 912,500 |
| Ping Tak Wu VP, U.S. Operations | May 26, 2026 | Option exercise | +30,000 | $4.99 | $149.70K | 178,441 |
| Ping Tak Wu VP, U.S. Operations | May 26, 2026 | Sale | −30,000 | $11.01 | $330.30K | 148,441 |
| Bor-Tay Wu VP, Taiwan Operations | May 22, 2026 | Sale | −20,000 | $10.93 | $218.60K | 912,500 |
| Bor-Tay Wu VP, Taiwan Operations | May 22, 2026 | Option exercise | +20,000 | $2.27 | $45.40K | 932,500 |
| Bor-Tay Wu VP, Taiwan Operations | May 22, 2026 | Option exercise | +20,000 | $1.92 | $38.40K | 932,500 |
| Bor-Tay Wu VP, Taiwan Operations | May 22, 2026 | Sale | +20,000 | $10.93 | $218.60K | 912,500 |
| Didier Lasserre VP, Sales | May 21, 2026 | Sale | −30,000 | $9.31 | $279.30K | 310,907 |
| Didier Lasserre VP, Sales | May 21, 2026 | Option exercise | +30,000 | $4.99 | $149.70K | 340,907 |
| Douglas Schirle CFO | May 14, 2026 | Option exercise | +40,000 | $4.99 | $199.60K | 109,046 |
| Douglas Schirle CFO | May 14, 2026 | Sale | −40,000 | $11.32 | $452.80K | 69,046 |
| Lee-Lean Shu Pres., CEO and Chairman, Director, 10% owner | May 13, 2026 | Option exercise | +10,313 | $7.26 | $74.87K | 541,252 |
| Lee-Lean Shu Pres., CEO and Chairman, Director, 10% owner | May 13, 2026 | Sale(10b5-1 plan) | −10,313 | $12.51 | $129.02K | 530,939 |
| Avidan Akerib VP, Associative Computing | May 13, 2026 | Option exercise | +19,653 | $6.16 | $121.06K | 42,960 |
| Avidan Akerib VP, Associative Computing | May 13, 2026 | Sale | −19,653 | $11.47 | $225.42K | 23,307 |
| Ping Tak Wu VP, U.S. Operations | May 12, 2026 | Sale | −11,763 | $10.80 | $127.04K | 147,647 |
| Avidan Akerib VP, Associative Computing | May 12, 2026 | Option exercise | +347 | $6.16 | $2.14K | 23,654 |
| Avidan Akerib VP, Associative Computing | May 12, 2026 | Sale | −347 | $12.03 | $4.17K | 23,307 |
| Patrick T. Chuang Senior VP, Memory Design | May 12, 2026 | Option exercise | +40,000 | $6.70 | $268.00K | 55,166 |
| Patrick T. Chuang Senior VP, Memory Design | May 12, 2026 | Sale | −40,000 | $10.68 | $427.20K | 15,166 |
| Lee-Lean Shu Pres., CEO and Chairman, Director, 10% owner | May 11, 2026 | Option exercise | +100,000 | $7.26 | $726.00K | 2,082,417 |
| Lee-Lean Shu Pres., CEO and Chairman, Director, 10% owner | May 11, 2026 | Option exercise | +10,313 | $4.99 | $51.46K | 541,252 |
| Lee-Lean Shu Pres., CEO and Chairman, Director, 10% owner | May 11, 2026 | Sale(10b5-1 plan) | −100,000 | $12.01 | $1.20M | 1,982,417 |
| Lee-Lean Shu Pres., CEO and Chairman, Director, 10% owner | May 11, 2026 | Sale(10b5-1 plan) | −10,313 | $10.51 | $108.39K | 530,939 |
| Lee-Lean Shu Pres., CEO and Chairman, Director, 10% owner | May 11, 2026 | Sale(10b5-1 plan) | −32,749 | $10.09 | $330.44K | 1,982,417 |
| Lee-Lean Shu Pres., CEO and Chairman, Director, 10% owner | May 11, 2026 | Option exercise | +32,749 | $4.99 | $163.42K | 2,015,166 |
| Lee-Lean Shu Pres., CEO and Chairman, Director | Mar 17, 2026 | Option exercise | +36,517 | $4.99 | $182.22K | 2,018,934 |
| Lee-Lean Shu Pres., CEO and Chairman, Director | Mar 17, 2026 | Sale(10b5-1 plan) | −36,517 | $10.01 | $365.54K | 1,982,417 |
| Lee-Lean Shu Pres., CEO and Chairman, Director | Mar 16, 2026 | Sale(10b5-1 plan) | −30,734 | $10.02 | $307.95K | 1,982,417 |
| Lee-Lean Shu Pres., CEO and Chairman, Director | Mar 16, 2026 | Option exercise | +30,734 | $4.99 | $153.36K | 2,013,151 |
| Patrick T. Chuang Senior VP, Memory Design | Mar 13, 2026 | Sale | −40,000 | $8.56 | $342.40K | 15,166 |
| Patrick T. Chuang Senior VP, Memory Design | Mar 13, 2026 | Option exercise | +40,000 | $5.58 | $223.20K | 55,166 |
| Bor-Tay Wu VP, Taiwan Operations | Mar 10, 2026 | Option exercise | +40,000 | $4.99 | $199.60K | 952,500 |
| Bor-Tay Wu VP, Taiwan Operations | Mar 10, 2026 | Sale | −40,000 | $8.66 | $346.40K | 912,500 |
| Patrick T. Chuang Senior VP, Memory Design | Mar 2, 2026 | Sale | −20,000 | $8.37 | $167.40K | 15,166 |
| Patrick T. Chuang Senior VP, Memory Design | Mar 2, 2026 | Option exercise | +20,000 | $3.68 | $73.60K | 35,166 |
| Patrick T. Chuang Senior VP, Memory Design | Nov 6, 2025 | Option exercise | +20,000 | $2.27 | $45.40K | 35,166 |
| Patrick T. Chuang Senior VP, Memory Design | Nov 6, 2025 | Sale | −20,000 | $8.66 | $173.20K | 15,166 |
| Patrick T. Chuang Senior VP, Memory Design | Nov 6, 2025 | Option exercise | +20,000 | $1.92 | $38.40K | 35,166 |
| Patrick T. Chuang Senior VP, Memory Design | Nov 6, 2025 | Sale | −20,000 | $8.66 | $173.20K | 15,166 |
| Avidan Akerib VP, Associative Computing | Nov 5, 2025 | Option exercise | +54,732 | $3.40 | $186.09K | 78,039 |
| Avidan Akerib VP, Associative Computing | Nov 5, 2025 | Sale | −54,732 | $8.54 | $467.41K | 23,307 |
| Avidan Akerib VP, Associative Computing | Nov 4, 2025 | Sale | −135,286 | $9.05 | $1.22M | 23,307 |
| Avidan Akerib VP, Associative Computing | Nov 4, 2025 | Option exercise | +135,286 | $3.40 | $459.97K | 158,575 |
| Patrick T. Chuang Senior VP, Memory Design | Nov 4, 2025 | Option exercise | +40,000 | $4.99 | $199.60K | 55,166 |
| Patrick T. Chuang Senior VP, Memory Design | Nov 4, 2025 | Sale | +40,000 | $9.04 | $361.60K | 15,166 |
| Ruey-Lin Lu Director | Oct 31, 2025 | Option exercise | +4,000 | $4.34 | $17.36K | 56,500 |
| Jack A. Bradley Director | Aug 7, 2025 | Sale | −6,900 | $3.30 | $22.77K | 0 |
| Jack A. Bradley Director | Aug 6, 2025 | Sale | −1,100 | $3.50 | $3.85K | 6,900 |
| Avidan Akerib VP, Associative Computing | Aug 5, 2025 | Sale | −10,000 | $3.89 | $38.90K | 23,307 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Patrick T. Chuang Officer, Senior VP, Memory Design | Jun 2, 2026 | 40,000 | $408.00K | Jun 2, 2026 | Option Exercise & Sale |
| Patrick T. Chuang Officer, Senior VP, Memory Design | Jun 1, 2026 | 40,000 | $452.58K | Jun 1, 2026 | Option Exercise & Sale |
| Bor-Tay Wu VP, Taiwan Operations | Jun 1, 2026 | 20,000 | $218.66K | Jun 1, 2026 | Stock Option Exercise & Sale |
| Ping Tak Wu Officer, VP, US Operations | May 26, 2026 | 30,000 | $333.59K | May 26, 2026 | Stock Option Exercise & Sale |
| Bor-Tay Wu VP, Taiwan Operations | May 22, 2026 | 40,000 | $437.36K | May 22, 2026 | Stock Option Exercise & Sale |
| Didier Lasserre Officer, VP OF SALES AND INVESTOR RELATIONS | May 21, 2026 | 30,000 | $279.19K | May 21, 2026 | Option Exercise & Sale |
| Douglas Schirle Officer, CFO | May 14, 2026 | 40,000 | $490.40K | May 14, 2026 | Option Exercise & Sale |
| Avidan Akerib Officer, VP, Associative Computing | May 13, 2026 | 19,653 | $225.33K | May 13, 2026 | Options Exercise & Sale |
| Lee-Lean Shu Pres. CEO and Chairman | May 13, 2026 | 10,313 | $128.98K | May 13, 2026 | Option Exercise & Sale |
| Patrick T. Chuang Officer, Senior VP, Memory Design | May 12, 2026 | 40,000 | $480.00K | May 12, 2026 | Option Exercise & Sale |
| Lee-Lean Shu Pres. CEO and Chairman | May 11, 2026 | 143,062 | $1.64M | May 11, 2026 | Option Exercise & Sale |
| Lee-Lean Shu Officer, Pres. CEO and Chairman | Mar 17, 2026 | 36,517 | $365.59K | Mar 17, 2026 | Stock Options Exercise and Sale |
| Patrick T. Chuang Senior VP Memory Design | Mar 13, 2026 | 40,000 | $346.00K | Mar 13, 2026 | Stock Option Exercise & Sale |
| Bor-Tay Wu VP, Taiwan Operations | Mar 10, 2026 | 40,000 | $346.52K | Mar 10, 2026 | Stock Option Exercise & Sale |
| Patrick T. Chuang Senior VP Memory Design | Mar 2, 2026 | 20,000 | $167.31K | Mar 2, 2026 | Stock Option Exercise & Sale |