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/OSG/capital-change-brief"
Use Arkolith's capital_change_brief for OSG. 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. | $18.2M | 3.9M | ▼−13% Reduced · −571K sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $9.0M | 1.9M | ▲New +1.9M sh | Q1 2026 | |
| 3 | GENDELL JEFFREY L | $6.6M | 1.4M | ▼−9.9% Reduced · −156K sh | Q1 2026 | |
| 4 | DIMENSIONAL FUND ADVISORS LP | $6.1M | 1.3M | ▼−22% Reduced · −375K sh | Q1 2026 | |
| 5 | MARSHALL WACE, LLP | $5.0M | 1.1M | ▲+42% Added · +317K sh | Q1 2026 | |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | $4.8M | 1.0M | ▼−0.2% Reduced · −2K sh | Q1 2026 | |
| 7 | STATE STREET CORP | $4.4M | 941K | ▼−0.2% Reduced · −2K sh | Q1 2026 | |
| 8 | JACOBS LEVY EQUITY MANAGEMENT, INC | $4.1M | 884K | ▲+273% Added · +647K sh | Q1 2026 | |
| 9 | Nuveen, LLC | $3.7M | 800K | ▼−1.2% Reduced · −10K sh | Q1 2026 | |
| 10 | JANE STREET GROUP, LLC | $3.6M | 764K | ▼−50% Reduced · −756K sh | Q1 2026 | |
| 11 | Caption Management, LLC | $3.0M | 643K | ▼−40% Reduced · −428K sh | Q1 2026 | |
| 12 | Bracebridge Capital, LLC | Withheld | 579K | —Held | Q1 2026 | |
| 13 | RIHO Partners, LLC | $2.5M | 547K | ▲New +547K sh | Q1 2026 | |
| 14 | CITADEL ADVISORS LLC | $2.0M | 432K | ▲+50% Added · +145K sh | Q1 2026 | |
| 15 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.8M | 390K | ▼−26% Reduced · −136K sh | Q1 2026 | |
| 16 | GOLDMAN SACHS GROUP INC | $1.6M | 346K | ▼−56% Reduced · −434K sh | Q1 2026 | |
| 17 | Brooklyn Investment Group | $1.5M | 325K | ▲New +325K sh | Q1 2026 | |
| 18 | NORTHERN TRUST CORP | $1.5M | 322K | ▼−0.2% Reduced · −798 sh | Q1 2026 | |
| 19 | VANGUARD PORTFOLIO MANAGEMENT LLC | $1.4M | 296K | ▲New +296K sh | Q1 2026 | |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $1.4M | 295K | ▼−18% Reduced · −66K sh | Q1 2026 | |
| 21 | VANGUARD FIDUCIARY TRUST CO | $1.3M | 275K | ▲New +275K sh | Q1 2026 | |
| 22 | JPMORGAN CHASE & CO | $1.2M | 268K | ▲+76% Added · +116K sh | Q1 2026 | |
| 23 | UBS Group AG | $1.2M | 264K | ▲+72% Added · +110K sh | Q1 2026 | |
| 24 | BANK OF AMERICA CORP /DE/ | $1.2M | 256K | ▼−23% Reduced · −75K sh | Q1 2026 | |
| 25 | MORGAN STANLEY | $1.1M | 235K | ▼−75% Reduced · −703K 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 9, 2026 | Trick David | Exec VP, CFO & Treasurer | Option exercise (M) | 13K | $0 |
| Jul 9, 2026 | Trick David | Exec VP, CFO & Treasurer | Tax withholding (F) | 7K | $41K |
| Jul 9, 2026 | Trick David | Exec VP, CFO & Treasurer | Option exercise (M) | 13K | — |
| Jul 9, 2026 | Smith R Sharon | Exec VP & Group COO | Option exercise (M) | 12K | $0 |
| Jul 9, 2026 | Smith R Sharon | Exec VP & Group COO | Tax withholding (F) | 5K | $28K |
| Jul 9, 2026 | Smith R Sharon | Exec VP & Group COO | Option exercise (M) | 12K | — |
| Jul 9, 2026 | LeBlanc Claude | Chief Executive Officer, Director | Option exercise (M) | 39K | $0 |
| Jul 9, 2026 | LeBlanc Claude | Chief Executive Officer, Director | Tax withholding (F) | 22K | $132K |
| Jul 9, 2026 | LeBlanc Claude | Chief Executive Officer, Director | Option exercise (M) | 39K | — |
| Jul 1, 2026 | Stein Jeffrey Scott | Director | Grant (A) | 7K | $0 |
| Jul 1, 2026 | PRICE MICHAEL D | Director | Grant (A) | 7K | $0 |
| Jul 1, 2026 | Matus Kristi Ann | Director | Grant (A) | 7K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 44 funds | $14.7B |
| AMAZON.COM INCAMZN | 44 funds | $12.4B |
| BROADCOM INCAVGO | 44 funds | $8.4B |
| ELI LILLY & COLLY | 44 funds | $4.0B |
| COSTCO WHOLESALE CORPCOST | 44 funds | $2.9B |
| GENERAL MOTORS COGM | 44 funds | $945.0M |
| APPLE INCAAPL | 43 funds | $19.4B |
| META PLATFORMS INC-CLASS AMETA | 43 funds | $7.6B |
| TESLA INCTSLA | 43 funds | $5.3B |
| MICRON TECHNOLOGY INCMU | 43 funds | $4.3B |
| MASTERCARD INC - AMA | 43 funds | $2.7B |
| ADVANCED MICRO DEVICESAMD | 43 funds | $2.6B |
Ranked by how many of OSG'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 OSG. 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.