GSI Technology Inc. 13F holders
89 funds reported a position in GSI Technology Inc. in their 13F for the quarter ended 30 June 2026, together 13.7 million shares worth $106.2 million. Against the quarter before, 35 opened a position, 26 added, 18 trimmed and 17 sold out; together they bought a net 3.9 million shares. The largest holders: BlackRock, Inc., Vanguard Capital Management LLC and Price T Rowe Associates Inc.
Funds holding89+19 on Q1 2026
Shares they held13.7Mworth $106.2 million
Net bought on the quarter3.9M sharesabout $30.0 million at the funds' values
Funds buying to selling61 to 35opened or added, to cut or sold
Opened 35Added 26Held 10Trimmed 18Sold out 17
What each fund did in GSIT against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in GSIT in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
3,405 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 16 reported a position in GSI Technology Inc.: 5 opened one, 2 added, 3 trimmed and 3 sold out, a net 22,637 shares sold.
| Fund | Change in shares | Shares now | Status | Filing |
|---|---|---|---|---|
| Silverberg Bernstein Capital Management LLC | -29,502 | 753,804 | trimmed | 13F |
| Themes Management Co LLC | +21,666 | 21,666 | new | 13F |
| HB Wealth Management, LLC | +2,735 | 22,735 | added | 13F |
| SBI Securities Co., Ltd. | -946 | 258 | trimmed | 13F |
| Gamma Investing LLC | +922 | 922 | new | 13F |
| ProShare Advisors LLC | -901 | 11,157 | trimmed | 13F |
| Sterling Capital Management LLC | +834 | 1,001 | added | 13F |
| Farther Finance Advisors, LLC | +401 | 401 | new | 13F |
| SJS Investment Consulting Inc. | +191 | 191 | new | 13F |
| True Wealth Design, LLC | +22 | 22 | new | 13F |
| Sims Investment Management, LLC | -100 | 0 | sold out | 13F |
| State of Wyoming | -2,959 | 0 | sold out | 13F |
| Strs Ohio | -15,000 | 0 | sold out | 13F |
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 6 reported a position in GSI Technology Inc. in a 13F for the quarter ended 30 June 2026. The largest: Two Sigma Investments, 875,894 shares worth $6.8 million, 0.0% of its reported book. In the quarter, 4 funds added or opened a position and 2 trimmed or sold out; together they bought a net 634,562 shares, about $4.9 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Two Sigma Investments | 875,894 | $6.8 million | 0.0% | +345,690 | added | 30 June 2026 | 13F |
| Geode Capital Management | 801,890 | $6.2 million | 0.0% | +451,196 | added | 30 June 2026 | 13F |
| Millennium Management | 339,611 | $2.6 million | 0.0% | -90,208 | trimmed | 30 June 2026 | 13F |
| Renaissance Technologies | 142,901 | $1.1 million | 0.0% | +64,200 | added | 30 June 2026 | 13F |
| Citadel Advisors | 54,745 | $423,179 | 0.0% | -136,647 | trimmed | 30 June 2026 | 13F |
| FMR LLC | 454 | $3,513 | 0.0% | +331 | added | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 2,399,846 | 17.46% | $18.6 million | 0.00% | +1,855,848 | 13F |
| Vanguard Capital Management LLC | 1,350,367 | 9.82% | $10.4 million | 0.00% | +71,935 | 13F |
| Price T Rowe Associates Inc. | 1,136,693 | 8.27% | $8.8 million | 0.00% | +394,023 | 13F |
| Marshall Wace, LLP | 1,122,703 | 8.17% | $8.7 million | 0.01% | +483,676 | 13F |
| Two Sigma Investments, LP | 875,894 | 6.37% | $6.8 million | 0.01% | +345,690 | 13F |
| Geode Capital Management, LLC | 801,890 | 5.83% | $6.2 million | 0.00% | +451,196 | 13F |
| Silverberg Bernstein Capital Management LLC | 783,306 | 5.70% | $6.1 million | 2.32% | -2,400 | 13F |
| Wells Fargo & Company | 469,032 | 3.41% | $3.6 million | 0.00% | +29,032 | 13F |
| State Street Corp. | 406,972 | 2.96% | $3.1 million | 0.00% | +268,130 | 13F |
| Qube Research & Technologies Ltd | 351,384 | 2.56% | $2.7 million | 0.00% | +333,975 | 13F |
| Millennium Management LLC | 339,611 | 2.47% | $2.6 million | 0.00% | -90,208 | 13F |
| Connor, Clark & Lunn Investment Management Ltd. | 308,520 | 2.24% | $2.4 million | 0.01% | +192,167 | 13F |
| Northern Trust Corp. | 238,481 | 1.74% | $1.8 million | 0.00% | +177,433 | 13F |
| T. Rowe Price Investment Management, Inc. | 225,767 | 1.64% | $1.7 million | 0.00% | new | 13F |
| Vanguard Portfolio Management LLC | 217,708 | 1.58% | $1.7 million | 0.00% | new | 13F |
| Vanguard Fiduciary Trust Co. | 214,899 | 1.56% | $1.7 million | 0.00% | +29,557 | 13F |
| Gsa Capital Partners LLP | 178,168 | 1.30% | $1.4 million | 0.09% | +106,939 | 13F |
| Potomac Capital Management, Inc. | 168,110 | 1.22% | $1.3 million | 0.95% | -180,290 | 13F |
| UBS Group AG | 162,595 | 1.18% | $1.3 million | 0.00% | -143,154 | 13F |
| Renaissance Technologies LLC | 142,901 | 1.04% | $1.1 million | 0.00% | +64,200 | 13F |
| Trexquant Investment LP | 124,497 | 0.91% | $962,362 | 0.01% | new | 13F |
| Jane Street Group, LLC | 113,735 | 0.83% | $879,172 | 0.00% | -229,787 | 13F |
| XTX Topco Ltd | 109,668 | 0.80% | $847,734 | 0.01% | +97,993 | 13F |
| Osaic Holdings, Inc. | 100,495 | 0.73% | $776,804 | 0.00% | -796 | 13F |
| Charles Schwab Investment Management Inc. | 95,202 | 0.69% | $735,911 | 0.00% | +77,197 | 13F |
| Morgan Stanley | 90,320 | 0.66% | $698,173 | 0.00% | +4,438 | 13F |
| Commonwealth Equity Services, LLC | 83,034 | 0.60% | $641,850 | 0.00% | -9,500 | 13F |
| Susquehanna International Group, LLP | 74,142 | 0.54% | $573,118 | 0.00% | -389,888 | 13F |
| Bank of New York Mellon Corp | 69,584 | 0.51% | $537,885 | 0.00% | new | 13F |
| Bank of America Corp. | 58,016 | 0.42% | $448,464 | 0.00% | -39,661 | 13F |
| Squarepoint Ops LLC | 55,659 | 0.40% | $430,244 | 0.00% | -79,644 | 13F |
| Citadel Advisors LLC | 54,745 | 0.40% | $423,179 | 0.00% | -136,647 | 13F |
| Bridgeway Capital Management, LLC | 54,500 | 0.40% | $421,285 | 0.01% | no change | 13F |
| Dimensional Fund Advisors LP | 50,847 | 0.37% | $393,047 | 0.00% | no change | 13F |
| Goldman Sachs Group Inc. | 47,885 | 0.35% | $370,151 | 0.00% | -110,154 | 13F |
| Nuveen, LLC | 41,992 | 0.31% | $324,598 | 0.00% | new | 13F |
| Rhumbline Advisers | 35,052 | 0.26% | $270,944 | 0.00% | new | 13F |
| Canada Pension Plan Investment Board | 33,300 | 0.24% | $257,409 | 0.00% | no change | 13F |
| JB Capital Partners LP | 33,000 | 0.24% | $255,090 | 0.04% | no change | 13F |
| Deutsche Bank AG | 31,450 | 0.23% | $243,108 | 0.00% | new | 13F |
| LPL Financial LLC | 31,246 | 0.23% | $241,532 | 0.00% | +3,300 | 13F |
| Essex Investment Management Co. LLC | 30,410 | 0.22% | $235,069 | 0.03% | -44 | 13F |
| IMC-Chicago, LLC | 29,572 | 0.22% | $228,592 | 0.00% | -34,066 | 13F |
| Invesco Ltd. | 27,728 | 0.20% | $214,337 | 0.00% | new | 13F |
| Fox Run Management, L.l.c. | 25,731 | 0.19% | $198,901 | 0.03% | new | 13F |
| JPMorgan Chase & Co. | 26,785 | 0.19% | $183,477 | 0.00% | +26,756 | 13F |
| HB Wealth Management, LLC | 20,000 | 0.15% | $154,600 | 0.00% | new | 13F |
| American Century Companies Inc. | 19,860 | 0.14% | $153,518 | 0.00% | new | 13F |
| Algert Global LLC | 19,810 | 0.14% | $153,131 | 0.00% | new | 13F |
| MetLife Investment Management, LLC | 19,103 | 0.14% | $147,666 | 0.00% | new | 13F |
The 50 largest of the 89 funds that reported a position in GSIT in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on GSIT
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Calls | 67,400 | $521,002 | 30 June 2026 | 13F |
| Citadel Advisors | Puts | 49,700 | $384,181 | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 13 August 2026 | 13G/A | Lee-Lean Shu and 1 other | 3.5 million | 9.0% | 30 June 2026 | passive, other (13d-1(d)) | EDGAR |
| 28 July 2026 | 13G | BlackRock, Inc. and 1 other | 2.4 million | 6.2% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 18 February 2026 | 13D | Galloway Capital Partners, LLC and 3 others | 1.8 million | 5.0% | 18 February 2026 | Each Reporting Person acquired the securities described in this Schedule 13D for investment purposes and intend to review its investment in the Issuer on a continuing basis. Each Reporting Person may from time to time acquire additional sec | EDGAR |
| 6 February 2026 | 13G/A | Lee-Lean Shu and 1 other | 3.7 million | 9.8% | 31 December 2025 | passive, other (13d-1(d)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 26 August 2026 | 947 | $5.96 | SEC |
| 25 August 2026 | 139 | $5.72 | SEC |
| 12 August 2026 | 849 | $6.59 | SEC |
| 11 August 2026 | 172 | $6.64 | SEC |
| 4 August 2026 | 695 | $6.07 | SEC |
| 3 August 2026 | 16,061 | $5.61 | SEC |
| 31 July 2026 | 34 | $5.84 | SEC |
| 24 July 2026 | 14,713 | $6.06 | SEC |
| 15 July 2026 | 3,783 | $6.20 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.