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 ROIV 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/ROIV"
Use Arkolith to show who owns ROIV, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD PORTFOLIO MANAGEMENT LLC | $549.5M | 19.8M | ▲New +19.8M sh | Q1 2026 | |
| 2 | STATE STREET CORP | $448.4M | 16.2M | ▼−6.8% Reduced · −1.2M sh | Q1 2026 | |
| 3 | PERCEPTIVE ADVISORS LLC | $229.5M | 8.3M | ▲+3.8% Added · +300K sh | Q1 2026 | |
| 4 | VIKING GLOBAL INVESTORS LP | $184.3M | 6.7M | ▲+3.2% Added · +209K sh | Q1 2026 | |
| 5 | Darwin Global Management, Ltd. | $179.5M | 6.8M | ▲New +6.8M sh | Q1 2026 | |
| 6 | Rubric Capital Management LP | $138.5M | 5.0M | ▼−44% Reduced · −4.0M sh | Q1 2026 | |
| 7 | BAKER BROS. ADVISORS LP | $134.8M | 4.9M | ▼−12% Reduced · −687K sh | Q1 2026 | |
| 8 | VANGUARD FIDUCIARY TRUST CO | $77.9M | 2.8M | ▲New +2.8M sh | Q1 2026 | |
| 9 | SB INVESTMENT ADVISERS (UK) LTD | $74.0M | 2.7M | ▼−84% Reduced · −13.7M sh | Q1 2026 | |
| 10 | CITADEL ADVISORS LLC | $69.7M | 2.5M | ▲+10% Added · +230K sh | Q1 2026 | |
| 11 | DME Capital Management, LP | $59.6M | 2.2M | ▲+4.0% Added · +83K sh | Q1 2026 | |
| 12 | Candriam S.C.A. | $55.5M | 2.0M | ▼−20% Reduced · −488K sh | Q1 2026 | |
| 13 | Integral Health Asset Management, LLC | $55.4M | 2.0M | ▲+135% Added · +1.1M sh | Q1 2026 | |
| 14 | Woodline Partners LP | $48.5M | 1.8M | —Held | Q1 2026 | |
| 15 | MAVERICK CAPITAL LTD | $45.1M | 1.6M | ▲New +1.6M sh | Q1 2026 | |
| 16 | Polar Capital Holdings Plc | $43.7M | 1.6M | ▼−41% Reduced · −1.1M sh | Q1 2026 | |
| 17 | Gotham Asset Management, LLC | $39.2M | 1.4M | ▲+53% Added · +491K sh | Q1 2026 | |
| 18 | BANK OF NOVA SCOTIA | $36.3M | 1.3M | ▼−7.9% Reduced · −113K sh | Q1 2026 | |
| 19 | Ensign Peak Advisors, Inc | $28.2M | 1.0M | ▲30× Added · +984K sh | Q1 2026 | |
| 20 | Point72 Asset Management, L.P. | $24.7M | 891K | ▲Added Added · +891K sh | Q1 2026 | |
| 21 | Man Group plc | $23.6M | 852K | ▼−42% Reduced · −605K sh | Q1 2026 | |
| 22 | Cormorant Asset Management, LP | $20.8M | 750K | ▲New +750K sh | Q1 2026 | |
| 23 | CAPITOLIS LIQUID GLOBAL MARKETS LLC | $20.1M | 725K | ▲+324% Added · +554K sh | Q1 2026 | |
| 24 | Sofinnova Investments, Inc. | $13.2M | 478K | ▼−35% Reduced · −257K sh | Q1 2026 | |
| 25 | STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | $9.0M | 326K | —Held | 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 |
|---|---|---|---|---|---|
| Mar 26, 2026 | Fitzgerald Meghan | Director | Option exercise (M) | 70K | $0 |
| Mar 26, 2026 | Fitzgerald Meghan | Director | Option exercise (M) | 70K | $616K |
| Mar 26, 2026 | Fitzgerald Meghan | Director | Sell (S) | 70K | $1.9M |
| Mar 20, 2026 | Pulik Richard | CFO | Tax withholding (F) | 2K | $43K |
| Mar 20, 2026 | Humes Jennifer | Chief Accounting Officer | Tax withholding (F) | 15K | $402K |
| Mar 17, 2026 | Venker Eric | President & Immunovant CEO | Option exercise (M) | 200K | $770K |
| Mar 17, 2026 | Venker Eric | President & Immunovant CEO | Sell (S) | 200K | $5.6M |
| Mar 17, 2026 | Venker Eric | President & Immunovant CEO | Option exercise (M) | 200K | $0 |
| Mar 16, 2026 | Epperly Melissa B, | Director | Sell (S) | 42K | $1.2M |
| Feb 23, 2026 | Torti Frank | President and Vant Chair | Sell (S) | 587K | $16.2M |
| Feb 23, 2026 | Torti Frank | President and Vant Chair | Option exercise (M) | 587K | $0 |
| Feb 23, 2026 | Torti Frank | President and Vant Chair | Option exercise (M) | 587K | $2.3M |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 139 funds | $57.2B |
| ELI LILLY & COLLY | 139 funds | $15.3B |
| AMAZON.COM INCAMZN | 138 funds | $43.2B |
| BOSTON SCIENTIFIC CORPBSX | 138 funds | $4.3B |
| NVIDIA CORPNVDA | 136 funds | $83.6B |
| ALPHABET INC-CL AGOOGL | 136 funds | $37.0B |
| INTUITIVE SURGICAL INCISRG | 136 funds | $5.2B |
| APPLE INCAAPL | 135 funds | $66.1B |
| TESLA INCTSLA | 135 funds | $17.6B |
| UNITEDHEALTH GROUP INCUNH | 135 funds | $5.5B |
| META PLATFORMS INC-CLASS AMETA | 134 funds | $26.5B |
| VISA INC-CLASS A SHARESV | 133 funds | $13.5B |
Ranked by how many of ROIV'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 ROIV. 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.