The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query STC owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/STC"
Use Arkolith to show who owns STC, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $315.7M | 5.1M | ▲+7.3% Added · +350K sh | Q1 2026 | |
| 2 | FMR LLC | $168.4M | 2.7M | ▲+0.7% Added · +19K sh | Q1 2026 | |
| 3 | Neuberger Berman Group LLC | $158.2M | 2.6M | ▲+19% Added · +418K sh | Q1 2026 | |
| 4 | VANGUARD GROUP INC | $143.7M | 2.0M | ▲+4.6% Added · +90K sh | Q4 2025 | |
| 5 | DIMENSIONAL FUND ADVISORS LP | $95.0M | 1.5M | ▲+0.1% Added · +2K sh | Q1 2026 | |
| 6 | Allspring Global Investments Holdings, LLC | $90.9M | 1.5M | ▼−8.4% Reduced · −137K sh | Q1 2026 | |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | $81.9M | 1.3M | ▲New +1.3M sh | Q1 2026 | |
| 8 | STATE STREET CORP | $79.9M | 1.3M | ▲+5.1% Added · +63K sh | Q1 2026 | |
| 9 | MILLENNIUM MANAGEMENT LLC | $49.8M | 808K | ▲+15% Added · +107K sh | Q1 2026 | |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | $45.4M | 737K | ▲+11% Added · +74K sh | Q1 2026 | |
| 11 | COOKE & BIELER LP | $38.7M | 629K | ▲+12% Added · +66K sh | Q1 2026 | |
| 12 | VANGUARD PORTFOLIO MANAGEMENT LLC | $37.3M | 606K | ▲New +606K sh | Q1 2026 | |
| 13 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $30.7M | 499K | ▼−0.1% Reduced · −671 sh | Q1 2026 | |
| 14 | CITADEL ADVISORS LLC | $29.9M | 485K | ▲+50% Added · +161K sh | Q1 2026 | |
| 15 | GOLDMAN SACHS GROUP INC | $27.3M | 444K | ▼−6.7% Reduced · −32K sh | Q1 2026 | |
| 16 | DAVENPORT & Co LLC | $23.9M | 391K | ▲+6.8% Added · +25K sh | Q1 2026 | |
| 17 | VICTORY CAPITAL MANAGEMENT INC | $22.2M | 361K | ▼−51% Reduced · −377K sh | Q1 2026 | |
| 18 | NORTHERN TRUST CORP | $21.7M | 352K | ▲+9.0% Added · +29K sh | Q1 2026 | |
| 19 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $20.9M | 339K | ▼−4.3% Reduced · −15K sh | Q1 2026 | |
| 20 | MORGAN STANLEY | $19.8M | 322K | ▼−8.1% Reduced · −28K sh | Q1 2026 | |
| 21 | Bank of New York Mellon Corp | $16.1M | 262K | ▲+1.7% Added · +4K sh | Q1 2026 | |
| 22 | Zimmer Partners, LP | $15.1M | 246K | ▼−31% Reduced · −108K sh | Q1 2026 | |
| 23 | Nuveen, LLC | $14.1M | 230K | ▲+44% Added · +70K sh | Q1 2026 | |
| 24 | BANK OF AMERICA CORP /DE/ | $13.3M | 215K | ▲+1.2% Added · +3K sh | Q1 2026 | |
| 25 | Rockefeller Capital Management L.P. | $13.2M | 214K | ▲+0.4% Added · +881 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 |
|---|---|---|---|---|---|
| Mar 26, 2026 | Sheckler Erinlea | Group President | Option exercise (M) | 807 | $0 |
| Mar 26, 2026 | Giddens Elizabeth | Chief Legal Officer, Secretary | Tax withholding (F) | 227 | $13K |
| Mar 26, 2026 | Giddens Elizabeth | Chief Legal Officer, Secretary | Option exercise (M) | 929 | — |
| Mar 26, 2026 | Giddens Elizabeth | Chief Legal Officer, Secretary | Option exercise (M) | 1K | $0 |
| Mar 26, 2026 | Giddens Elizabeth | Chief Legal Officer, Secretary | Grant (A) | 4K | $0 |
| Mar 26, 2026 | Giddens Elizabeth | Chief Legal Officer, Secretary | Grant (A) | 4K | $0 |
| Mar 26, 2026 | Giddens Elizabeth | Chief Legal Officer, Secretary | Option exercise (M) | 929 | $0 |
| Mar 26, 2026 | Glaze Brian | PAO | Option exercise (M) | 925 | — |
| Mar 26, 2026 | Glaze Brian | PAO | Tax withholding (F) | 202 | $12K |
| Mar 26, 2026 | Glaze Brian | PAO | Option exercise (M) | 826 | — |
| Mar 26, 2026 | Glaze Brian | PAO | Tax withholding (F) | 226 | $13K |
| Mar 26, 2026 | Glaze Brian | PAO | Option exercise (M) | 925 | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 75 funds | $33.2B |
| NVIDIA CORPNVDA | 71 funds | $48.5B |
| ALPHABET INC-CL AGOOGL | 71 funds | $21.4B |
| ALPHABET INC-CL CGOOG | 70 funds | $16.6B |
| META PLATFORMS INC-CLASS AMETA | 70 funds | $16.6B |
| ELI LILLY & COLLY | 70 funds | $8.2B |
| UNITEDHEALTH GROUP INCUNH | 70 funds | $3.2B |
| MORGAN STANLEYMS | 70 funds | $2.7B |
| AUTOMATIC DATA PROCESSINGADP | 70 funds | $2.1B |
| AMAZON.COM INCAMZN | 69 funds | $27.9B |
| BROADCOM INCAVGO | 69 funds | $16.8B |
| VISA INC-CLASS A SHARESV | 69 funds | $7.1B |
Ranked by how many of STC'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 STC. 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.