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/OC/capital-change-brief"
Use Arkolith's capital_change_brief for OC. 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. | $996.8M | 9.2M | ▼−1.5% Reduced · −143K sh | Q1 2026 | |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | $596.1M | 5.5M | ▲New +5.5M sh | Q1 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $391.5M | 3.6M | ▲New +3.6M sh | Q1 2026 | |
| 4 | STATE STREET CORP | $334.0M | 3.1M | ▼−0.4% Reduced · −11K sh | Q1 2026 | |
| 5 | DIMENSIONAL FUND ADVISORS LP | $299.2M | 2.8M | ▲+7.3% Added · +188K sh | Q1 2026 | |
| 6 | AQR CAPITAL MANAGEMENT LLC | $271.4M | 2.5M | ▲+77% Added · +1.1M sh | Q1 2026 | |
| 7 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | $240.2M | 2.2M | ▲+73% Added · +935K sh | Q1 2026 | |
| 8 | FIRST TRUST ADVISORS LP | $235.8M | 2.2M | ▲+23% Added · +404K sh | Q1 2026 | |
| 9 | AMERICAN CENTURY COMPANIES INC | $221.0M | 2.0M | ▲+550% Added · +1.7M sh | Q1 2026 | |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | $214.3M | 1.9M | ▲+8.7% Added · +152K sh | Q1 2026 | |
| 11 | PRICE T ROWE ASSOCIATES INC /MD/ | $164.9M | 1.5M | ▼−41% Reduced · −1.1M sh | Q1 2026 | |
| 12 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $138.3M | 1.3M | ▼−2.6% Reduced · −35K sh | Q1 2026 | |
| 13 | JPMORGAN CHASE & CO | $129.4M | 1.2M | ▲+13% Added · +147K sh | Q1 2026 | |
| 14 | Allspring Global Investments Holdings, LLC | $125.5M | 1.2M | ▲+722% Added · +1.0M sh | Q1 2026 | |
| 15 | NORDEA INVESTMENT MANAGEMENT AB | $118.1M | 1.1M | ▲+228% Added · +784K sh | Q1 2026 | |
| 16 | NORGES BANK | $119.7M | 1.1M | ▼−10% Reduced · −120K sh | Q4 2025 | |
| 17 | TWO SIGMA INVESTMENTS, LP | $105.2M | 973K | ▲+14% Added · +118K sh | Q1 2026 | |
| 18 | MILLENNIUM MANAGEMENT LLC | $103.9M | 960K | ▲+60% Added · +359K sh | Q1 2026 | |
| 19 | GENDELL JEFFREY L | $101.8M | 941K | ▲+2.0% Added · +18K sh | Q1 2026 | |
| 20 | HARRIS ASSOCIATES L P | $99.1M | 915K | ▲+226% Added · +635K sh | Q1 2026 | |
| 21 | MORGAN STANLEY | $89.4M | 826K | ▲+13% Added · +92K sh | Q1 2026 | |
| 22 | DEUTSCHE BANK AG\ | $82.6M | 764K | ▲+4.5% Added · +33K sh | Q1 2026 | |
| 23 | BANK OF AMERICA CORP /DE/ | $80.5M | 744K | ▼−3.2% Reduced · −24K sh | Q1 2026 | |
| 24 | GOLDMAN SACHS GROUP INC | $79.3M | 732K | ▲+87% Added · +341K sh | Q1 2026 | |
| 25 | NORTHERN TRUST CORP | $77.7M | 718K | ▲+1.3% Added · +9K 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 |
|---|---|---|---|---|---|
| May 28, 2026 | Marcon Rachel Barthelemy | President, Doors | Sell (S) | 700 | $84K |
| May 8, 2026 | FESTA ALFRED E | Director | Grant (A) | 407 | $50K |
| May 8, 2026 | Elsner Adrienne | Director | Grant (A) | 382 | $46K |
| May 8, 2026 | CORDEIRO EDUARDO E | Director | Grant (A) | 407 | $50K |
| May 8, 2026 | Collins Michelle T | Director | Grant (A) | 478 | $58K |
| May 8, 2026 | Doerfler Mari | Vice President and Controller | Sell (S) | 2K | $233K |
| May 8, 2026 | Lonergan Edward F | Director | Grant (A) | 750 | $91K |
| May 8, 2026 | Martin Paul Edward | Director | Grant (A) | 382 | $46K |
| May 8, 2026 | Nimocks Suzanne P | Director | Grant (A) | 414 | $50K |
| May 8, 2026 | Williams John David | Director | Grant (A) | 382 | $46K |
| May 1, 2026 | Fister Todd W | EVP, CFO and COO | Grant (A) | 8K | $1000K |
| Apr 9, 2026 | FESTA ALFRED E | Director | Grant (A) | 85 | $10K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 204 funds | $226.7B |
| AMAZON.COM INCAMZN | 200 funds | $172.1B |
| NVIDIA CORPNVDA | 197 funds | $317.6B |
| META PLATFORMS INC-CLASS AMETA | 197 funds | $92.3B |
| APPLE INCAAPL | 196 funds | $241.4B |
| ALPHABET INC-CL AGOOGL | 195 funds | $142.9B |
| JPMORGAN CHASE & COJPM | 195 funds | $53.2B |
| ELI LILLY & COLLY | 194 funds | $61.5B |
| BROADCOM INCAVGO | 193 funds | $128.1B |
| VISA INC-CLASS A SHARESV | 192 funds | $45.2B |
| APPLIED MATERIALS INCAMAT | 192 funds | $27.3B |
| COSTCO WHOLESALE CORPCOST | 190 funds | $33.9B |
Ranked by how many of OC'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 OC. 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.