$GSUN

$0.18 -$0.00 (1.62%) Pre-market

$GSUN Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 2.8M shares outstanding

Who owns GSUN?

By type of holder

Institutions 7.9% Insiders 0.0% Everyone else 92.1%

Concentration Top 6 holders own 7.9%

XTX Topco Ltd 4.2% · Jane Street Group, LLC 2.0%

Institutional ownership

7.9%

+0.4 pts vs last qtr

Institutional holders

+2 vs last qtr

Net shares bought

+12.5K

by institutions in Q2 2026

New / sold out

2 / 0

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Citadel Advisors LLC NEW +19.7K
Jane Street Group, LLC +16.3K

Biggest sellers in Q2 2026

UBS Group AG −19.3K
XTX Topco Ltd −19.0K

Who is planning to sell?

Notices of proposed sale, last 12 months

$15.6K

1 notice from 1 person

Shares covered

52.1K

1.83% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Ms. Peilin Ji 10% shareholder /director $15.6K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2020–FY2025

−78.1%

−26.19% a year

Each share's claim on the business

+356.3%

grew without buying or selling a share

Spent on buybacks vs paid in stock

— vs $1.83M

over 6 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years0% 1–3 years6% Under 1 year94%

Quarterly turnover

21.0%

of institutional shares changed hands

Top 10 managers, median time held

1 quarter

Super Investors

Investment managers reporting GSUN on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
XT XTX Topco Ltd	120.7K	4.24%	−19.0K (−13.6%)	Q1 '26	0.0%
Shares held by quarter Peak holding139.7K (Q1'26) Change over 8 quarters+120.7K Share of the company4.240% XTX Topco Ltd's full portfolio →
JS Jane Street Group, LLC	56.7K	1.99%	+16.3K (+40.2%)	Q1 '26	0.0%
Shares held by quarter Peak holding56.7K (Q2'26) Change over 8 quarters+56.7K Share of the company1.990% Jane Street Group, LLC's full portfolio →

XTX Topco Ltd

120.7K

% of company

4.24%

Change vs last qtr

−19.0K (−13.6%)

Held since

Q1 '26

Jane Street Group, LLC

56.7K

% of company

1.99%

Change vs last qtr

+16.3K (+40.2%)

Held since

Q1 '26

4 more super investors behind a free account

See every manager holding Golden Sun Technology Group Ltd, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting GSUN on Form N-PORT; together they hold 0.0% of the company

No fund reports holding GSUN yet.

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