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/OGS/capital-change-brief"
Use Arkolith's capital_change_brief for OGS. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $785.1M | 9.1M | ▲+3.9% Added · +345K sh | Q1 2026 | |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | $309.2M | 3.6M | ▲New +3.6M sh | Q1 2026 | |
| 3 | AMERICAN CENTURY COMPANIES INC | $290.7M | 3.4M | ▼−3.6% Reduced · −127K sh | Q1 2026 | |
| 4 | STATE STREET CORP | $261.6M | 3.0M | ▲+1.8% Added · +54K sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $239.1M | 2.8M | ▲New +2.8M sh | Q1 2026 | |
| 6 | T. Rowe Price Investment Management, Inc. | Withheld | 1.9M | ▼−1.2% Reduced · −22K sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $136.2M | 1.6M | ▲+6.0% Added · +90K sh | Q1 2026 | |
| 8 | ALLIANCEBERNSTEIN L.P. | $117.1M | 1.5M | ▼−11% Reduced · −185K sh | Q1 2026 | |
| 9 | Energy Income Partners, LLC | $114.6M | 1.3M | ▲+1.1% Added · +14K sh | Q1 2026 | |
| 10 | EARNEST PARTNERS LLC | $99.3M | 1.2M | ▼−2.9% Reduced · −35K sh | Q1 2026 | |
| 11 | Boston Trust Walden Corp | $93.6M | 1.1M | ▼−1.6% Reduced · −17K sh | Q1 2026 | |
| 12 | DIMENSIONAL FUND ADVISORS LP | $87.1M | 1.0M | ▲+0.2% Added · +2K sh | Q1 2026 | |
| 13 | GOLDMAN SACHS GROUP INC | $81.4M | 945K | ▼−32% Reduced · −454K sh | Q1 2026 | |
| 14 | NORGES BANK | $70.8M | 916K | ▲+37% Added · +249K sh | Q4 2025 | |
| 15 | MORGAN STANLEY | $76.1M | 884K | ▼−11% Reduced · −109K sh | Q1 2026 | |
| 16 | Qube Research & Technologies Ltd | $74.6M | 866K | ▲+114% Added · +461K sh | Q1 2026 | |
| 17 | Bank of New York Mellon Corp | $65.8M | 764K | ▲+2.2% Added · +17K sh | Q1 2026 | |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $65.1M | 755K | ▼−0.3% Reduced · −2K sh | Q1 2026 | |
| 19 | NORTHERN TRUST CORP | $62.8M | 729K | ▲+2.4% Added · +17K sh | Q1 2026 | |
| 20 | FRANKLIN RESOURCES INC | $62.0M | 720K | ▲+0.3% Added · +2K sh | Q1 2026 | |
| 21 | Nuveen, LLC | $60.8M | 705K | ▼−9.2% Reduced · −71K sh | Q1 2026 | |
| 22 | VICTORY CAPITAL MANAGEMENT INC | $55.5M | 644K | ▲+2.7% Added · +17K sh | Q1 2026 | |
| 23 | DUFF & PHELPS INVESTMENT MANAGEMENT CO | $49.6M | 576K | —Held | Q1 2026 | |
| 24 | FIRST TRUST ADVISORS LP | $47.6M | 552K | ▼−7.6% Reduced · −45K sh | Q1 2026 | |
| 25 | SILVERCREST ASSET MANAGEMENT GROUP LLC | $45.6M | 529K | ▼−11% Reduced · −62K 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 |
|---|---|---|---|---|---|
| Jun 9, 2026 | McCormick Joseph L | Insider | Option exercise (M) | 1K | $97K |
| Jun 9, 2026 | McCormick Joseph L | Insider | Tax withholding (F) | 558 | $42K |
| Jun 9, 2026 | McCormick Joseph L | Insider | Option exercise (M) | 1K | $93K |
| Jun 9, 2026 | McCormick Joseph L | Insider | Tax withholding (F) | 539 | $41K |
| Jun 9, 2026 | McCormick Joseph L | Insider | Option exercise (M) | 825 | $63K |
| Jun 9, 2026 | McCormick Joseph L | Insider | Tax withholding (F) | 362 | $27K |
| Jun 9, 2026 | McCormick Joseph L | Insider | Option exercise (M) | 1K | $93K |
| Jun 9, 2026 | McCormick Joseph L | Insider | Option exercise (M) | 2K | $146K |
| Jun 9, 2026 | McCormick Joseph L | Insider | Option exercise (M) | 3K | $238K |
| Jun 3, 2026 | GIBSON JOHN WILLIAM | Director | Option exercise (M) | 20K | $1.5M |
| Jun 3, 2026 | GIBSON JOHN WILLIAM | Director | Option exercise (M) | 20K | $1.6M |
| Jun 3, 2026 | MOORE PATTYE L | Director | Option exercise (M) | 6K | $437K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 135 funds | $56.7B |
| ALPHABET INC-CL AGOOGL | 133 funds | $35.8B |
| NVIDIA CORPNVDA | 132 funds | $77.9B |
| META PLATFORMS INC-CLASS AMETA | 132 funds | $26.6B |
| AMAZON.COM INCAMZN | 131 funds | $42.7B |
| EXXON MOBIL CORPXOM | 130 funds | $13.2B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 130 funds | $12.7B |
| APPLE INCAAPL | 129 funds | $66.9B |
| ALPHABET INC-CL CGOOG | 129 funds | $26.4B |
| MASTERCARD INC - AMA | 129 funds | $9.8B |
| BANK OF AMERICA CORPBAC | 129 funds | $6.1B |
| ELI LILLY & COLLY | 128 funds | $13.9B |
Ranked by how many of OGS'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 OGS. 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.