Security key
36241U106
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 8,395,371
- Total 13F value
- $52,135,577
- Share change
- +2,951,350
- Put/Call ratio
- 86%
- SEC-reported price per share
- $6.21
- Number of holders
- 62
- Value change
- +$18,993,641
- Number of buys
- 46
- Number of sells
- 20
- Shares outstanding
- 38,296,323
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
62
Top holders
10
GSIT full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
GSI TECHNOLOGY INC SEC filings
GSI TECHNOLOGY INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 36241U106
Recent filing periods:
Ownership snapshot
Top reported holders of GSIT - GSI TECHNOLOGY INC - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Lee-Lean Shu
Disclosed value leader
Lee-Lean Shu
Comparable rows
15/15
Latest evidence
31 Dec 2025
13D/G
13F
Lead comparable stake: 9.8%
13D/G row: Lee-Lean Shu
Showing 1-6 of 15 holder rows.
Quick read
Lee-Lean Shu leads the comparable SEC ownership view at 9.8%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Lee-Lean Shu's linked filing trail.
Comparable ownership
Top 5
Lee-Lean Shu
9.8%
VANGUARD GROUP INC
2.4%
Silverberg Bernstein Capital Mana...
2%
TWO SIGMA INVESTMENTS, LP
1%
RENAISSANCE TECHNOLOGIES LLC
1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Lee-Lean Shu |
13D/G
|
9.8%
|
$22,693,215
3,654,302 shares
|
+$931,500 | 31 Dec 2025 |
| VANGUARD GROUP INC |
13F
Company
|
2.4%
|
$3,450,777
937,711 shares
|
— | 30 Sep 2025 |
| Silverberg Bernstein Capital Management LLC |
13F
Company
|
2%
|
$2,771,849
753,174 shares
|
— | 30 Sep 2025 |
| TWO SIGMA INVESTMENTS, LP |
13F
Company
|
1%
|
$1,439,829
391,258 shares
|
— | 30 Sep 2025 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
1%
|
$1,420,145
385,909 shares
|
— | 30 Sep 2025 |
| MARSHALL WACE, LLP |
13F
Company
|
0.89%
|
$1,258,163
341,892 shares
|
— | 30 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
62
Shares
8,395,371
Rows available
62
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
53
Q4 2025 holders
62
Holder diff
9
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend