525 tracked 13F filers disclose a position in OSK as of the latest SEC 13F filings, a combined $8.0B in reported value. 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.
| # | 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 | →First observed position No prior filed position | 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 | →First observed position No prior filed position | Q1 2026 | |
| 6 | GREENHAVEN ASSOCIATES INC | $392.7M | 2.6M | ▲+1.1% Added · +28K sh | Q2 2026 | |
| 7 | STATE STREET CORP | $320.0M | 2.1M | ▼−0.7% Reduced · −14K sh | Q2 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 | $196.1M | 1.3M | ▲+0.4% Added · +5K sh | Q2 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 | NORTHERN TRUST CORP | $88.9M | 604K | ▲+1.1% Added · +7K sh | Q1 2026 | |
| 19 | EQUITY INVESTMENT CORP | $91.7M | 598K | ▼−1.6% Reduced · −10K sh | Q2 2026 | |
| 20 | AMERICAN CENTURY COMPANIES INC | $85.2M | 579K | ▼−36% Reduced · −324K sh | Q1 2026 | |
| 21 | PANAGORA ASSET MANAGEMENT INC | $84.5M | 551K | ▲+8.6% Added · +43K sh | Q2 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 | $63.8M | 416K | ▼−5.3% Reduced · −23K sh | Q2 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.
Last quarter, 5 funds opened a new position in OSK and 20 added to an existing one, while 25 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 297 funds | $238.3B |
| NVIDIA CORPNVDA | 295 funds | $349.3B |
| JPMORGAN CHASE & COJPM | 295 funds | $54.5B |
| AMAZON.COM INCAMZN | 288 funds | $177.1B |
| APPLE INCAAPL | 287 funds | $267.8B |
| ALPHABET INC-CL AGOOGL | 284 funds | $143.7B |
| META PLATFORMS INC-CLASS AMETA | 284 funds | $100.7B |
| ALPHABET INC-CL CGOOG | 282 funds | $114.7B |
| VISA INC-CLASS A SHARESV | 282 funds | $53.8B |
| ELI LILLY & COLLY | 281 funds | $72.6B |
| JOHNSON & JOHNSONJNJ | 281 funds | $43.5B |
| CHEVRON CORPCVX | 277 funds | $28.3B |
Ranked by how many of OSK's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| May 12, 2026 | Palmer Duncan | Director | Sell (S) | 505 | $68K |
| Feb 27, 2026 | Khare Anupam | SVP/Chief Information Officer | Sell (S) | 4K | $676K |
| Feb 20, 2026 | Verich John S | SVP Bus Devl and Treasurer | Sell (S) | 1K | $186K |
| Nov 21, 2025 | Cortina Ignacio A | EVP, CL&AO & Secretary | Sell (S) | 8K | $995K |
| Aug 22, 2025 | Khare Anupam | SVP/Chief Information Officer | Sell (S) | 4K | $556K |
| Aug 18, 2025 | Brandt Bryan K | SVP & Chief Marketing Officer | Sell (S) | 2K | $243K |
| Aug 12, 2025 | Cortina Ignacio A | EVP, CL&AO & Secretary | Sell (S) | 8K | $1.0M |
| Aug 12, 2025 | Cortina Ignacio A | EVP, CL&AO & Secretary | Sell (S) | 5K | $725K |
| Aug 6, 2025 | Freeders James C | SVP, Finance and Controller | Sell (S) | 4K | $587K |
| Aug 6, 2025 | Freeders James C | SVP, Finance and Controller | Sell (S) | 2K | $308K |
| Aug 6, 2025 | Freeders James C | SVP, Finance and Controller | Sell (S) | 6K | $762K |
| Feb 9, 2024 | Khare Anupam | SVP/Chief Information Officer | Sell (S) | 3K | $341K |
Connected entities for OSK
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.
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.