This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/GSIT/capital-change-brief"
Use Arkolith's capital_change_brief for GSIT. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | $6.6M | 1.3M | ▲New +1.3M sh | Q1 2026 | |
| 2 | Silverberg Bernstein Capital Management LLC | $6.1M | 783K | ▼−0.3% Reduced · −2K sh | Q2 2026 | |
| 3 | PRICE T ROWE ASSOCIATES INC /MD/ | $3.8M | 743K | ▲New +743K sh | Q1 2026 | |
| 4 | MARSHALL WACE, LLP | $3.3M | 639K | ▼−12% Reduced · −88K sh | Q1 2026 | |
| 5 | BlackRock, Inc. | $2.8M | 544K | ▲+7.4% Added · +37K sh | Q1 2026 | |
| 6 | TWO SIGMA INVESTMENTS, LP | $2.7M | 530K | ▲+6.0% Added · +30K sh | Q1 2026 | |
| 7 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $2.4M | 464K | ▼−35% Reduced · −247K sh | Q1 2026 | |
| 8 | WELLS FARGO & COMPANY/MN | $2.3M | 440K | ▲New +440K sh | Q1 2026 | |
| 9 | MILLENNIUM MANAGEMENT LLC | $2.2M | 430K | ▲+838% Added · +384K sh | Q1 2026 | |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | $1.8M | 351K | ▲+7.7% Added · +25K sh | Q1 2026 | |
| 11 | JANE STREET GROUP, LLC | $1.8M | 344K | ▲+55% Added · +122K sh | Q1 2026 | |
| 12 | UBS Group AG | $1.6M | 306K | ▼−4.7% Reduced · −15K sh | Q1 2026 | |
| 13 | CITADEL ADVISORS LLC | $984K | 191K | ▲+11% Added · +19K sh | Q1 2026 | |
| 14 | VANGUARD FIDUCIARY TRUST CO | $953K | 185K | ▲New +185K sh | Q1 2026 | |
| 15 | GOLDMAN SACHS GROUP INC | $812K | 158K | ▼−17% Reduced · −32K sh | Q1 2026 | |
| 16 | Tidal Investments LLC | $785K | 153K | ▲+67% Added · +61K sh | Q1 2026 | |
| 17 | STATE STREET CORP | $714K | 139K | ▲+31% Added · +33K sh | Q1 2026 | |
| 18 | Squarepoint Ops LLC | $695K | 135K | ▲+16% Added · +18K sh | Q1 2026 | |
| 19 | 683 Capital Management, LLC | $611K | 119K | —Held | Q1 2026 | |
| 20 | Connor, Clark & Lunn Investment Management Ltd. | $598K | 116K | ▲+35% Added · +30K sh | Q1 2026 | |
| 21 | OSAIC HOLDINGS, INC. | $521K | 101K | ▲+15% Added · +13K sh | Q1 2026 | |
| 22 | BANK OF AMERICA CORP /DE/ | $502K | 98K | ▲+536% Added · +82K sh | Q1 2026 | |
| 23 | COMMONWEALTH EQUITY SERVICES, LLC | $476K | 93K | ▲+4.0% Added · +4K sh | Q1 2026 | |
| 24 | MORGAN STANLEY | $441K | 86K | ▼−11% Reduced · −11K sh | Q1 2026 | |
| 25 | RENAISSANCE TECHNOLOGIES LLC | $405K | 79K | ▼−32% Reduced · −38K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jul 15, 2026 | Cholawsky Elizabeth | Director | Option exercise (M) | 28K | $53K |
| Jul 15, 2026 | Cholawsky Elizabeth | Director | Option exercise (M) | 32K | $60K |
| Jul 15, 2026 | Cholawsky Elizabeth | Director | Option exercise (M) | 500 | $2K |
| Jul 15, 2026 | Cholawsky Elizabeth | Director | Option exercise (M) | 28K | $0 |
| Jul 15, 2026 | Cholawsky Elizabeth | Director | Option exercise (M) | 32K | $0 |
| Jul 15, 2026 | Cholawsky Elizabeth | Director | Option exercise (M) | 500 | $0 |
| Jun 2, 2026 | CHUANG PATRICK T | Senior VP, Memory Design | Option exercise (M) | 40K | $163K |
| Jun 2, 2026 | CHUANG PATRICK T | Senior VP, Memory Design | Sell (S) | 40K | $439K |
| Jun 2, 2026 | CHUANG PATRICK T | Senior VP, Memory Design | Option exercise (M) | 40K | $0 |
| Jun 1, 2026 | CHUANG PATRICK T | Senior VP, Memory Design | Option exercise (M) | 40K | $290K |
| Jun 1, 2026 | CHUANG PATRICK T | Senior VP, Memory Design | Sell (S) | 40K | $453K |
| Jun 1, 2026 | CHUANG PATRICK T | Senior VP, Memory Design | Option exercise (M) | 40K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| AMAZON.COM INCAMZN | 16 funds | $5.2B |
| SALESFORCE INCCRM | 16 funds | $506.7M |
| ALPHABET INC-CL AGOOGL | 15 funds | $3.9B |
| BROADCOM INCAVGO | 15 funds | $3.1B |
| META PLATFORMS INC-CLASS AMETA | 15 funds | $2.9B |
| JPMORGAN CHASE & COJPM | 15 funds | $2.6B |
| ELI LILLY & COLLY | 15 funds | $1.4B |
| UNITEDHEALTH GROUP INCUNH | 15 funds | $1.1B |
| HOME DEPOT INCHD | 15 funds | $1.0B |
| CAPITAL ONE FINANCIAL CORPCOF | 15 funds | $682.1M |
| ROSS STORES INCROST | 15 funds | $638.2M |
| UNITED AIRLINES HOLDINGS INCUAL | 15 funds | $477.2M |
Ranked by how many of GSIT's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for GSIT. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.