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/OSK/capital-change-brief"
Use Arkolith's capital_change_brief for OSK. 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. | $1.1B | 7.6M | ▲+2.9% Added · +212K sh | Q1 2026 | |
| 2 | Aristotle Capital Management, LLC | $736.3M | 5.0M | ▼−7.1% Reduced · −384K sh | Q1 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $625.1M | 4.2M | ▲New +4.2M sh | Q1 2026 | |
| 4 | DIMENSIONAL FUND ADVISORS LP | $449.2M | 3.1M | ▲+1.5% Added · +46K sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $413.5M | 2.8M | ▲New +2.8M sh | Q1 2026 | |
| 6 | GREENHAVEN ASSOCIATES INC | $372.6M | 2.5M | ▲+0.4% Added · +10K sh | Q1 2026 | |
| 7 | STATE STREET CORP | $309.0M | 2.1M | ▲+0.7% Added · +14K sh | Q1 2026 | |
| 8 | FMR LLC | $291.0M | 2.0M | ▲+51% Added · +667K sh | Q1 2026 | |
| 9 | AQR CAPITAL MANAGEMENT LLC | $193.0M | 1.4M | ▲+1.7% Added · +23K sh | Q1 2026 | |
| 10 | FIRST TRUST ADVISORS LP | $190.0M | 1.3M | ▲+6.3% Added · +77K sh | Q1 2026 | |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | $187.3M | 1.3M | ▲+5.8% Added · +70K sh | Q1 2026 | |
| 12 | NORGES BANK | $127.9M | 1.0M | ▲+17% Added · +150K sh | Q4 2025 | |
| 13 | BANK OF AMERICA CORP /DE/ | $144.1M | 979K | ▲+0.9% Added · +9K sh | Q1 2026 | |
| 14 | MORGAN STANLEY | $127.9M | 869K | ▼−6.6% Reduced · −62K sh | Q1 2026 | |
| 15 | ALLIANCEBERNSTEIN L.P. | $101.7M | 810K | ▼−16% Reduced · −150K sh | Q1 2026 | |
| 16 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $103.1M | 700K | ▲+1.8% Added · +12K sh | Q1 2026 | |
| 17 | Bank of New York Mellon Corp | $92.7M | 630K | ▼−1.0% Reduced · −6K sh | Q1 2026 | |
| 18 | EQUITY INVESTMENT CORP | $89.4M | 607K | ▼−2.4% Reduced · −15K sh | Q1 2026 | |
| 19 | NORTHERN TRUST CORP | $88.9M | 604K | ▲+1.1% Added · +7K sh | Q1 2026 | |
| 20 | AMERICAN CENTURY COMPANIES INC | $85.2M | 579K | ▼−36% Reduced · −324K sh | Q1 2026 | |
| 21 | PANAGORA ASSET MANAGEMENT INC | $74.7M | 507K | ▼−16% Reduced · −100K sh | Q1 2026 | |
| 22 | TRUIST FINANCIAL CORP | $68.0M | 462K | ▲+16% Added · +63K sh | Q1 2026 | |
| 23 | RAYMOND JAMES FINANCIAL INC | $65.3M | 445K | ▲+39% Added · +126K sh | Q1 2026 | |
| 24 | PZENA INVESTMENT MANAGEMENT LLC | $64.6M | 439K | ▼−15% Reduced · −75K sh | Q1 2026 | |
| 25 | SEI INVESTMENTS CO | $59.5M | 404K | ▲+2.8% Added · +11K 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 | Nordlund Steven Craig | Exec. VP & Pres., Transport | Option exercise (M) | 4K | $614K |
| Jul 14, 2026 | Nordlund Steven Craig | Exec. VP & Pres., Transport | Tax withholding (F) | 2K | $265K |
| Jul 14, 2026 | Nordlund Steven Craig | Exec. VP & Pres., Transport | Option exercise (M) | 4K | $0 |
| May 12, 2026 | Palmer Duncan | Director | Sell (S) | 505 | $68K |
| May 5, 2026 | Allman Keith J. | Director | Grant (A) | 1K | $0 |
| May 5, 2026 | DAVIS DOUGLAS LEE | Director | Grant (A) | 1K | $0 |
| May 5, 2026 | Burns Bill | Director | Grant (A) | 1K | $0 |
| May 5, 2026 | CLAYTON ANNETTE K | Director | Grant (A) | 1K | $0 |
| May 5, 2026 | Jordan Tyrone Michael | Director | Grant (A) | 1K | $0 |
| May 5, 2026 | Metcalf-Kupres Kimberley | Director | Grant (A) | 1K | $0 |
| May 5, 2026 | Rowland Sandra E. | Director | Grant (A) | 1K | $0 |
| May 5, 2026 | Perkins David G | Director | Grant (A) | 1K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 194 funds | $72.4B |
| JPMORGAN CHASE & COJPM | 190 funds | $23.6B |
| NVIDIA CORPNVDA | 189 funds | $97.3B |
| ALPHABET INC-CL AGOOGL | 189 funds | $46.5B |
| VISA INC-CLASS A SHARESV | 189 funds | $15.9B |
| META PLATFORMS INC-CLASS AMETA | 188 funds | $31.1B |
| ELI LILLY & COLLY | 188 funds | $19.5B |
| COSTCO WHOLESALE CORPCOST | 188 funds | $12.5B |
| CITIGROUP INCC | 188 funds | $6.8B |
| APPLE INCAAPL | 187 funds | $85.7B |
| AMAZON.COM INCAMZN | 187 funds | $52.2B |
| AT&T INCT | 187 funds | $4.7B |
Ranked by how many of OSK'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 OSK. 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.