The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query OTTR owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/OTTR"
Use Arkolith to show who owns OTTR, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $563.9M | 6.4M | ▲+0.5% Added · +33K sh | Q1 2026 | |
| 2 | VANGUARD GROUP INC | $408.9M | 5.1M | ▼−0.7% Reduced · −37K sh | Q4 2025 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $258.7M | 2.9M | ▲New +2.9M sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $163.8M | 1.9M | ▲New +1.9M sh | Q1 2026 | |
| 5 | STATE STREET CORP | $137.7M | 1.6M | ▲+0.5% Added · +8K sh | Q1 2026 | |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | $92.6M | 1.1M | ▲+3.5% Added · +36K sh | Q1 2026 | |
| 7 | DIMENSIONAL FUND ADVISORS LP | $71.6M | 815K | ▼−4.2% Reduced · −35K sh | Q1 2026 | |
| 8 | TWO SIGMA INVESTMENTS, LP | $58.2M | 663K | ▲+144% Added · +391K sh | Q1 2026 | |
| 9 | MORGAN STANLEY | $57.4M | 654K | ▲+16% Added · +92K sh | Q1 2026 | |
| 10 | FIRST TRUST ADVISORS LP | $53.2M | 607K | ▼−25% Reduced · −204K sh | Q1 2026 | |
| 11 | CAISSE DE DEPOT ET PLACEMENT DU QUEBEC | $50.0M | 570K | ▲+2.7% Added · +15K sh | Q1 2026 | |
| 12 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $46.0M | 524K | ▼−1.6% Reduced · −9K sh | Q1 2026 | |
| 13 | GOLDMAN SACHS GROUP INC | $42.6M | 485K | ▲+47% Added · +156K sh | Q1 2026 | |
| 14 | GABELLI FUNDS LLC | $41.0M | 467K | ▼−0.4% Reduced · −2K sh | Q1 2026 | |
| 15 | NORTHERN TRUST CORP | $37.9M | 432K | ▲+4.2% Added · +17K sh | Q1 2026 | |
| 16 | D. E. Shaw & Co., Inc. | $35.1M | 399K | ▲+61% Added · +151K sh | Q1 2026 | |
| 17 | Bank of New York Mellon Corp | $30.8M | 351K | ▼−2.2% Reduced · −8K sh | Q1 2026 | |
| 18 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $30.0M | 342K | ▼−0.6% Reduced · −2K sh | Q1 2026 | |
| 19 | BANK OF AMERICA CORP /DE/ | $29.5M | 336K | ▲+3.5% Added · +11K sh | Q1 2026 | |
| 20 | JPMORGAN CHASE & CO | $29.1M | 340K | ▼−19% Reduced · −79K sh | Q1 2026 | |
| 21 | VANGUARD FIDUCIARY TRUST CO | $23.9M | 272K | ▲New +272K sh | Q1 2026 | |
| 22 | Qube Research & Technologies Ltd | $23.5M | 268K | ▲+33% Added · +67K sh | Q1 2026 | |
| 23 | GAMCO INVESTORS, INC. ET AL | $23.2M | 265K | ▼−2.8% Reduced · −8K sh | Q1 2026 | |
| 24 | VICTORY CAPITAL MANAGEMENT INC | $22.2M | 252K | ▲+97% Added · +124K sh | Q1 2026 | |
| 25 | PRINCIPAL FINANCIAL GROUP INC | $20.4M | 232K | ▲+16% Added · +32K 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 |
|---|---|---|---|---|---|
| Feb 11, 2026 | Abbott John S | Sr VP, Manufacturing Platform | Grant (A) | 8K | $726K |
| Feb 11, 2026 | Abbott John S | Sr VP, Manufacturing Platform | Tax withholding (F) | 4K | $364K |
| Feb 11, 2026 | KNUTSON PAUL L | VP, Human Resources | Grant (A) | 4K | $311K |
| Feb 11, 2026 | MACFARLANE CHARLES S | President & CEO | Tax withholding (F) | 24K | $2.0M |
| Feb 11, 2026 | MACFARLANE CHARLES S | President & CEO | Grant (A) | 48K | $4.1M |
| Feb 11, 2026 | Smestad Jennifer O. | VP, General Council & Corp Sec | Grant (A) | 6K | $519K |
| Feb 11, 2026 | Smestad Jennifer O. | VP, General Council & Corp Sec | Tax withholding (F) | 3K | $262K |
| Feb 11, 2026 | ROGELSTAD TIMOTHY J | Sr VP, Electric Platform | Grant (A) | 8K | $726K |
| Feb 11, 2026 | ROGELSTAD TIMOTHY J | Sr VP, Electric Platform | Tax withholding (F) | 4K | $364K |
| Feb 11, 2026 | KNUTSON PAUL L | VP, Human Resources | Tax withholding (F) | 2K | $138K |
| Feb 10, 2026 | KNUTSON PAUL L | VP, Human Resources | Grant (A) | 800 | $0 |
| Feb 10, 2026 | ROGELSTAD TIMOTHY J | Sr VP, Electric Platform | Grant (A) | 2K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 112 funds | $44.9B |
| ALPHABET INC-CL AGOOGL | 111 funds | $28.0B |
| NVIDIA CORPNVDA | 110 funds | $61.0B |
| APPLE INCAAPL | 110 funds | $53.3B |
| AMAZON.COM INCAMZN | 110 funds | $34.7B |
| META PLATFORMS INC-CLASS AMETA | 110 funds | $18.7B |
| ELI LILLY & COLLY | 110 funds | $11.4B |
| MASTERCARD INC - AMA | 110 funds | $7.9B |
| COSTCO WHOLESALE CORPCOST | 110 funds | $7.6B |
| PALANTIR TECHNOLOGIES INC-APLTR | 110 funds | $5.3B |
| AT&T INCT | 110 funds | $3.3B |
| BROADCOM INCAVGO | 109 funds | $22.6B |
Ranked by how many of OTTR'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 OTTR. 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.