GSIT · NASDAQ · Semiconductors

GSI Technology (GSIT)

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

$5.85
vs last close+0.28 (+5.03%)

13F · 13D/G · Form 4

Institutions36.19%13.84M shares
95 holders · as of Jun 30, 2026
Insiders14.22%5.44M shares
11 holders · as of Sep 10, 2026
Other49.59%18.97M shares
remainder

38.25M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

13F · 13D/G · Form 4

HolderStakeSharesDate
Lee-Lean Shu1,2Insiderdirector, 10 percent owner, officer: Pres., CEO and Chairman
9.55%3.65Mfiled May 14, 2026
BlackRock, Inc.Institution
6.27%2.40Mas of Jun 30, 2026
Vanguard Capital Management LLCInstitution
3.53%1.35Mas of Jun 30, 2026
Price T Rowe Associates Inc /MD/Institution
2.97%1.14Mas of Jun 30, 2026
Marshall Wace, LLPInstitution
2.94%1.12Mas of Jun 30, 2026
Bor-Tay WuInsiderofficer: VP, Taiwan Operations
2.39%912,500filed Sep 10, 2026
Two Sigma Investments, LPInstitution
2.29%875,894as of Jun 30, 2026
Geode Capital Management, LLCInstitution
2.10%801,890as of Jun 30, 2026
Silverberg Bernstein Capital Management LLCInstitution
2.05%783,306as of Jun 30, 2026
Wells Fargo & Company/MNInstitution
1.23%469,032as of Jun 30, 2026
State Street CorpInstitution
1.06%406,972as of Jun 30, 2026
Qube Research & Technologies LtdInstitution
0.92%351,384as of Jun 30, 2026
Millennium Management LLCInstitution
0.89%339,611as of Jun 30, 2026
Didier LasserreInsiderofficer: VP, Sales
0.81%310,907filed May 22, 2026
Connor, Clark & Lunn Investment Management Ltd.Institution
0.81%308,520as of Jun 30, 2026
Northern Trust CorpInstitution
0.62%238,481as of Jun 30, 2026
T. Rowe Price Investment Management, Inc.Institution
0.59%225,767as of Jun 30, 2026
Vanguard Portfolio Management LLCInstitution
0.57%217,708as of Jun 30, 2026
Vanguard Fiduciary Trust CoInstitution
0.56%214,899as of Jun 30, 2026
Gsa Capital Partners LLPInstitution
0.47%178,168as of Jun 30, 2026
Potomac Capital Management, Inc.Institution
0.44%168,110as of Jun 30, 2026
UBS Group AGInstitution
0.43%162,595as of Jun 30, 2026
Ping Tak WuInsiderofficer: VP, U.S. Operations
0.39%148,441filed May 27, 2026
Renaissance Technologies LLCInstitution
0.37%142,901as of Jun 30, 2026
Trexquant Investment LPInstitution
0.33%124,497as of Jun 30, 2026
  1. Lee-Lean Shu's transaction reports restate only vehicles that traded; the 2026 ownership statement (3.65M) is used instead.
  2. Lee-Lean Shu reports a block also reported by another filer; it is counted once, under that filer.

13F, 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.2.40M6.27%+1.86MAug 7, 2026
Vanguard Capital Management LLC1.35M3.53%+71.9KAug 13, 2026
Price T Rowe Associates Inc /MD/1.14M2.97%+394.0KAug 14, 2026
Marshall Wace, LLP1.12M2.94%+483.7KAug 13, 2026
Two Sigma Investments, LP875.9K2.29%+345.7KAug 14, 2026
Geode Capital Management, LLC801.9K2.10%+451.2KAug 12, 2026
Silverberg Bernstein Capital Management LLC783.3K2.05%−2.4KJul 7, 2026
Wells Fargo & Company/MN469.0K1.23%+29.0KAug 14, 2026

13D/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

Form 4

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

House and Senate disclosures

Not reported.