GSI Ownership | Who Owns GSI?


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GSI Ownership Summary


GSI is owned by 12.23% institutional investors, 21.00% insiders, and 66.76% retail investors. Vanguard group is the largest institutional shareholder, holding 3.33% of GSIT shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.24% of its assets in GSI shares.

GSIT Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockGSI12.23%21.00%66.76%
SectorTechnology Stocks 38.43%12.63%48.94%
IdeaSemiconductor Stocks List 48.74%7.10%44.16%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Vanguard group849.17K3.33%$2.57M
Silverberg bernstein capital management688.46K2.55%$2.31M
Dimensional fund advisors lp353.36K1.39%$1.07M
Geode capital management208.72K0.82%$632.58K
Marshall wace, llp191.16K0.71%$642.30K
Renaissance164.25K0.65%$497.68K
Arrowstreet capital, limited partnership159.25K0.59%$535.08K
Bridgeway capital management91.72K0.36%$277.90K
Blackrock81.06K0.32%$214.81K
Acadian asset management86.71K0.32%$290.00K

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Silverberg bernstein capital management688.46K1.59%$2.31M
Jb capital partners lp33.00K0.02%$110.88K
Xtx topco73.14K0.01%$245.76K
Bridgeway capital management91.72K0.01%$277.90K
Two sigma securities13.78K0.01%$46.29K
Legato capital management11.37K0.00%$38.19K
Ethos financial group10.09K0.00%$30.56K
U.s. capital wealth advisors16.33K0.00%$54.88K
Quadrature capital26.75K0.00%$89.62K
Rise advisors738.000.00%$2.48K

Top Buyers

HolderShares% AssetsChange
Marshall wace, llp191.16K0.00%191.16K
Silverberg bernstein capital management688.46K1.59%163.51K
Arrowstreet capital, limited partnership159.25K0.00%159.25K
Acadian asset management86.71K0.00%86.71K
Xtx topco73.14K0.01%73.14K

Top Sellers

HolderShares% AssetsChange
Gsa capital partners llp---71.04K
Belvedere trading---48.67K
Renaissance164.25K0.00%-41.50K
Virtu financial---39.66K
Wealthplan investment management---37.60K

New Positions

HolderShares% AssetsChangeValue
Marshall wace, llp191.16K0.00%191.16K$642.30K
Arrowstreet capital, limited partnership159.25K0.00%159.25K$535.08K
Acadian asset management86.71K0.00%86.71K$290.00K
Xtx topco73.14K0.01%73.14K$245.76K
Connor, clark & lunn investment management49.15K0.00%49.15K$165.13K

Sold Out

HolderChange
Innealta capital-32.00
Qube research-100.00
Newedge advisors-150.00
Northwest financial advisors-400.00
Barclays-556.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Mar 31, 202539-4.88%3,125,23313.67%1210.56%17-5.56%7-30.00%
Dec 31, 202418-48.57%1,815,227-30.89%76.70%10-9.09%4-50.00%
Sep 30, 2024352.94%2,626,466-2.04%109.07%11-8.33%8-27.27%
Jun 30, 202434-29.17%2,681,114-10.81%107.53%12-53.85%1110.00%
Mar 31, 20244829.73%3,006,089-27.25%114.45%2673.33%10-

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Vanguard US Total Market Shares ETF574.55K2.24%-
Vanguard Total Stock Mkt Idx Inv562.15K1.93%-12.40K
Vanguard Institutional Extnd Mkt Idx Tr195.61K0.67%-58.95K
Fidelity Extended Market Index106.38K0.37%-278.00
DFA US Micro Cap I54.16K0.19%-
Bridgeway Ultra-Small Company Market40.22K0.16%-50.00K
Dimensional US Small Cap ETF45.65K0.16%-
iShares Micro-Cap ETF44.75K0.15%-
DFA US Core Equity 2 I38.56K0.13%-
Fidelity Total Market Index34.19K0.12%-

Recent Insider Transactions


DateNameRoleActivityValue
Aug 07, 2025Bradley Jack A.-Sell$22.77K
Aug 06, 2025Bradley Jack A.-Sell$3.85K
Aug 05, 2025Akerib Avidan VP, Associative ComputingSell$38.95K
Aug 14, 2024NELSON BARBARA H-Sell$21.67K
Aug 15, 2024NELSON BARBARA H-Sell$16.64K

Insider Transactions Trends


DateBuySell
2025 Q3-3
2025 Q2--
2024 Q4--
2024 Q3-5
2024 Q2-2

GSIT Ownership FAQ


Who owns the most shares of GSI?

GSI’s largest shareholders are Vanguard group (849.17K shares, 3.33%), Silverberg bernstein capital management (688.46K shares, 2.55%), and Dimensional fund advisors lp (353.36K shares, 1.39%). Together, they hold 7.27% of GSI’s total shares outstanding.

Does Blackrock own GSI?

Yes, BlackRock owns 0.32% of GSI, totaling 81.06K shares as of Jun 2024. This represents 0% of BlackRock's total assets, with a market value of 214.81K$. In the last quarter, BlackRock increased its holdings by 4.26K shares, a 5.55% change.

Who is GSI’s biggest shareholder by percentage of total assets invested?

Silverberg bernstein capital management is GSI’s biggest shareholder by percentage of total assets invested, with 1.59% of its assets in 688.46K GSI shares, valued at 2.31M$.

Who is the top mutual fund holder of GSI shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of GSI shares, with 2.24% of its total shares outstanding invested in 574.55K GSI shares.

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