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/ISSC/capital-change-brief"
Use Arkolith's capital_change_brief for ISSC. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | MARSHALL WACE, LLP | $15.5M | 753K | ▼−0.1% Reduced · −1K sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $12.8M | 626K | ▲New +626K sh | Q1 2026 | |
| 3 | MORGAN STANLEY | $12.4M | 603K | ▼−10% Reduced · −68K sh | Q1 2026 | |
| 4 | PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | $10.6M | 519K | ▼−13% Reduced · −77K sh | Q1 2026 | |
| 5 | DIMENSIONAL FUND ADVISORS LP | $7.6M | 368K | ▼−2.5% Reduced · −10K sh | Q1 2026 | |
| 6 | RENAISSANCE TECHNOLOGIES LLC | $6.2M | 303K | ▲+13% Added · +34K sh | Q1 2026 | |
| 7 | BlackRock, Inc. | $5.9M | 288K | ▼−16% Reduced · −56K sh | Q1 2026 | |
| 8 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $5.7M | 276K | ▲+23% Added · +51K sh | Q1 2026 | |
| 9 | MILLENNIUM MANAGEMENT LLC | $5.1M | 249K | ▼−11% Reduced · −32K sh | Q1 2026 | |
| 10 | AMERICAN CENTURY COMPANIES INC | $4.7M | 228K | ▲11× Added · +207K sh | Q1 2026 | |
| 11 | Qube Research & Technologies Ltd | $4.4M | 212K | ▲+162% Added · +131K sh | Q1 2026 | |
| 12 | Hennion & Walsh Asset Management, Inc. | $3.4M | 187K | ▲+30% Added · +44K sh | Q2 2026 | |
| 13 | Connor, Clark & Lunn Investment Management Ltd. | $3.5M | 171K | ▲+3.5% Added · +6K sh | Q1 2026 | |
| 14 | RAYMOND JAMES FINANCIAL INC | $3.1M | 149K | ▼−8.7% Reduced · −14K sh | Q1 2026 | |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | $3.0M | 146K | ▲+5.1% Added · +7K sh | Q1 2026 | |
| 16 | Trexquant Investment LP | $2.9M | 141K | ▲New +141K sh | Q1 2026 | |
| 17 | GAMCO INVESTORS, INC. ET AL | $2.6M | 127K | —Held | Q1 2026 | |
| 18 | JANE STREET GROUP, LLC | $2.5M | 121K | ▼−30% Reduced · −52K sh | Q1 2026 | |
| 19 | GABELLI FUNDS LLC | $2.4M | 118K | ▲+7.2% Added · +8K sh | Q1 2026 | |
| 20 | LAZARD ASSET MANAGEMENT LLC | $2.3M | 112K | ▲+8.8% Added · +9K sh | Q1 2026 | |
| 21 | LPL Financial LLC | $2.3M | 111K | ▲+555% Added · +94K sh | Q1 2026 | |
| 22 | UBS Group AG | $2.2M | 107K | ▲+23% Added · +20K sh | Q1 2026 | |
| 23 | CITADEL ADVISORS LLC | $2.2M | 106K | ▲+138% Added · +62K sh | Q1 2026 | |
| 24 | Ancora Advisors LLC | $2.2M | 105K | ▼−35% Reduced · −57K sh | Q1 2026 | |
| 25 | OSAIC HOLDINGS, INC. | $2.1M | 102K | ▲11× Added · +93K 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 14, 2026 | Askarpour Shahram | Chief Executive Officer, Director | Grant (A) | 69K | $0 |
| Jul 14, 2026 | DiGiovanni Jeffrey | Chief Financial Officer | Grant (A) | 22K | $0 |
| Jul 8, 2026 | DiGiovanni Jeffrey | Chief Financial Officer | Tax withholding (F) | 749 | $14K |
| Jun 30, 2026 | DiGiovanni Jeffrey | Chief Financial Officer | Tax withholding (F) | 910 | $16K |
| May 20, 2026 | BRESSNER GLEN R | Director | Grant (A) | 6K | $100K |
| May 18, 2026 | Askarpour Shahram | Chief Executive Officer | Tax withholding (F) | 906 | $15K |
| May 18, 2026 | DiGiovanni Jeffrey | Chief Financial Officer | Tax withholding (F) | 474 | $8K |
| Apr 16, 2026 | Belland Stephen L | Director | Grant (A) | 6K | $0 |
| Apr 16, 2026 | Dean Garry C. | Director | Grant (A) | 6K | $0 |
| Apr 16, 2026 | Carolin Roger Anthony | Director | Grant (A) | 6K | $0 |
| Apr 16, 2026 | BRESSNER GLEN R | Director | Grant (A) | 6K | $0 |
| Apr 16, 2026 | Devine Denise L | Director | Disposed to issuer (D) | 5K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 31 funds | $9.0B |
| AMAZON.COM INCAMZN | 31 funds | $8.7B |
| ALPHABET INC-CL AGOOGL | 31 funds | $6.4B |
| ELI LILLY & COLLY | 31 funds | $2.3B |
| UNITEDHEALTH GROUP INCUNH | 31 funds | $1.9B |
| ORACLE CORPORCL | 31 funds | $1.2B |
| COSTCO WHOLESALE CORPCOST | 30 funds | $2.2B |
| VISA INC-CLASS A SHARESV | 30 funds | $2.0B |
| PALANTIR TECHNOLOGIES INC-APLTR | 30 funds | $1.6B |
| BROADCOM INCAVGO | 29 funds | $6.0B |
| META PLATFORMS INC-CLASS AMETA | 29 funds | $4.8B |
| JPMORGAN CHASE & COJPM | 29 funds | $3.5B |
Ranked by how many of ISSC'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 ISSC. 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.