GSIT · NASDAQ · Semiconductors

GSI Technology

Designs high-speed SRAM and APU products for networking, computing, and search applications.

$5.67
After-hours close−0.03 (−0.44%)
At close$5.70(−4.12%)

Breakdown13F · Form 4

Institutions 36.08%13.84M sharesInsiders 10.76%4.13M sharesOther 53.16%20.40M shares

Shares outstanding 38.37M · Float 33.10M · 86.3% free float

Top shareholders13F · 13D/G · Form 4

HolderShares% outstandingFormFiled
Lee-Lean Shu3.65M9.80%13GFeb 6, 2026
Lee-Lean Shu · director, 10 percent owner, officer: Pres., CEO and Chairman2.51M6.55%Form 4May 14, 2026
BlackRock, Inc.2.37M6.20%13GJul 28, 2026
Galloway Capital SPV I, LLC1.82M5.02%13DFeb 18, 2026
Vanguard Capital Management LLC1.35M3.52%13FAug 13, 2026

Institutions13F, as of Jun 30, 2026

95 holders · 13.84M shares · 37 new positions · 64 increased · 17 reduced · 17 closed

HolderShares% outstandingChg q/qFiled
BlackRock, Inc.2.40M6.25%+1.86MAug 7, 2026
Vanguard Capital Management LLC1.35M3.52%+71.9KAug 13, 2026
Price T Rowe Associates Inc /MD/1.14M2.96%+394.0KAug 14, 2026
Marshall Wace, LLP1.12M2.93%+483.7KAug 13, 2026
Two Sigma Investments, LP875.9K2.28%+345.7KAug 14, 2026
Geode Capital Management, LLC801.9K2.09%+451.2KAug 12, 2026
Silverberg Bernstein Capital Management LLC783.3K2.04%−2.4KJul 7, 2026
Wells Fargo & Company/MN469.0K1.22%+29.0KAug 14, 2026

Beneficial owners13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Lee-Lean Shu9.80%3.65M13GFeb 6, 2026
BlackRock, Inc.6.20%2.37M13GJul 28, 2026
Galloway Capital SPV I, LLCincl. Galloway Capital Partners, LLC, Galloway Capital, LP +1 more5.02%1.82M13DFeb 18, 2026

InsidersForm 4

InsiderRoleShares% outstandingFiled
Lee-Lean Shudirector, 10 percent owner, officer: Pres., CEO and Chairman2.51M6.55%May 14, 2026
Bor-Tay Wuofficer: VP, Taiwan Operations912.5K2.38%May 26, 2026
Didier Lasserreofficer: VP, Sales310.9K0.81%May 22, 2026
Ping Tak Wuofficer: VP, U.S. Operations148.4K0.39%May 27, 2026
Douglas Schirleofficer: CFO69.0K0.18%May 14, 2026
Ruey-Lin Ludirector56.5K0.15%Nov 3, 2025
Hong-Po Hsiehdirector49.1K0.13%Aug 4, 2026
Elizabeth Cholawskydirector29.7K0.08%Jul 16, 2026
Avidan Akeribofficer: VP, Associative Computing23.3K0.06%May 13, 2026
Patrick T. Chuangofficer: Senior VP, Memory Design15.2K0.04%May 13, 2026

4 people have not refiled in the last 18 months (1.96M shares), so they are not in the figure above

Latest trades

DateInsiderTypeSharesAvg priceOwned after
May 26, 2026
Ping Tak Wuofficer: VP, U.S. Operations
Sale30,000$11.01148,441
May 22, 2026
Bor-Tay Wuofficer: VP, Taiwan Operations
Sale · 2 lots40,000$10.93912,500
May 21, 2026
Didier Lasserreofficer: VP, Sales
Sale30,000$9.31310,907
May 13, 2026
Lee-Lean Shudirector, 10 percent owner, officer: Pres., CEO and Chairman
Sale10,313$12.51530,939
May 12, 2026
Ping Tak Wuofficer: VP, U.S. Operations
Sale11,763$10.80147,647
May 14, 2026
Douglas Schirleofficer: CFO
Sale40,000$11.3269,046
May 12, 2026
Patrick T. Chuangofficer: Senior VP, Memory Design
Sale40,000$10.6815,166
May 13, 2026
Avidan Akeribofficer: VP, Associative Computing
Sale19,653$11.4723,307
May 12, 2026
Avidan Akeribofficer: VP, Associative Computing
Sale347$12.0323,307
May 11, 2026
Lee-Lean Shudirector, 10 percent owner, officer: Pres., CEO and Chairman
Sale · 3 lots143,062$11.472,513,356

CongressHouse and Senate disclosures

Not reported.