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/GPCR/capital-change-brief"
Use Arkolith's capital_change_brief for GPCR. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | $405.0M | 8.4M | ▼−3.5% Reduced · −309K sh | Q1 2026 | |
| 2 | Avoro Capital Advisors LLC | $316.0M | 6.6M | —Held | Q1 2026 | |
| 3 | JANUS HENDERSON GROUP PLC | $258.3M | 5.4M | ▲+5.2% Added · +265K sh | Q1 2026 | |
| 4 | Deep Track Capital, LP | $206.3M | 4.3M | ▲+4.1% Added · +168K sh | Q1 2026 | |
| 5 | BVF INC/IL | $166.7M | 3.5M | ▼−0.6% Reduced · −20K sh | Q1 2026 | |
| 6 | MORGAN STANLEY | $111.1M | 2.3M | ▲+10% Added · +218K sh | Q1 2026 | |
| 7 | PRICE T ROWE ASSOCIATES INC /MD/ | $96.4M | 2.0M | ▲+20% Added · +330K sh | Q1 2026 | |
| 8 | PRINCIPAL FINANCIAL GROUP INC | $84.5M | 1.8M | ▲+37% Added · +470K sh | Q1 2026 | |
| 9 | ORBIMED ADVISORS LLC | $71.1M | 1.5M | ▲+27% Added · +314K sh | Q1 2026 | |
| 10 | AMERICAN CENTURY COMPANIES INC | $69.3M | 1.4M | ▲+184% Added · +931K sh | Q1 2026 | |
| 11 | BAKER BROS. ADVISORS LP | $69.0M | 1.4M | —Held | Q1 2026 | |
| 12 | Siren, L.L.C. | $64.0M | 1.3M | ▲+23% Added · +250K sh | Q1 2026 | |
| 13 | Casdin Capital, LLC | $56.6M | 1.2M | —Held | Q1 2026 | |
| 14 | CAPITOLIS LIQUID GLOBAL MARKETS LLC | $55.5M | 1.2M | ▲+31% Added · +273K sh | Q1 2026 | |
| 15 | DEERFIELD MANAGEMENT COMPANY, L.P. | $37.0M | 768K | —Held | Q1 2026 | |
| 16 | PACIFIC HEIGHTS ASSET MANAGEMENT LLC | $36.1M | 750K | ▲+7.1% Added · +50K sh | Q1 2026 | |
| 17 | Rock Springs Capital Management LP | $30.9M | 640K | ▼−14% Reduced · −108K sh | Q1 2026 | |
| 18 | ALLIANCEBERNSTEIN L.P. | $44.4M | 639K | ▼−25% Reduced · −210K sh | Q1 2026 | |
| 19 | Paradigm Biocapital Advisors LP | $26.3M | 545K | ▲New +545K sh | Q1 2026 | |
| 20 | FRANKLIN RESOURCES INC | $25.6M | 532K | ▼−39% Reduced · −339K sh | Q1 2026 | |
| 21 | Logos Global Management LP | $24.1M | 500K | ▼−17% Reduced · −100K sh | Q1 2026 | |
| 22 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $22.5M | 468K | —Held | Q1 2026 | |
| 23 | BlackRock, Inc. | $21.3M | 442K | ▲+2.8% Added · +12K sh | Q1 2026 | |
| 24 | Aberdeen Group plc | $18.9M | 392K | ▲+48% Added · +127K sh | Q1 2026 | |
| 25 | DEUTSCHE BANK AG\ | $16.0M | 332K | ▼−61% Reduced · −509K 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 | Lin Xichen | CHIEF SCIENTIFIC OFFICER | Option exercise (M) | 24K | $8K |
| Jul 14, 2026 | Lin Xichen | CHIEF SCIENTIFIC OFFICER | Conversion (C) | 24K | $0 |
| Jul 14, 2026 | Lin Xichen | CHIEF SCIENTIFIC OFFICER | Option exercise (M) | 24K | $0 |
| Jul 14, 2026 | Lin Xichen | CHIEF SCIENTIFIC OFFICER | Conversion (C) | 8K | $0 |
| Jul 14, 2026 | Lin Xichen | CHIEF SCIENTIFIC OFFICER | Sell (S) | 6K | $319K |
| Jul 14, 2026 | Lin Xichen | CHIEF SCIENTIFIC OFFICER | Sell (S) | 2K | $83K |
| Jun 25, 2026 | Lin Xichen | CHIEF SCIENTIFIC OFFICER | Option exercise (M) | 24K | $8K |
| Jun 25, 2026 | Lin Xichen | CHIEF SCIENTIFIC OFFICER | Conversion (C) | 24K | $0 |
| Jun 25, 2026 | Lin Xichen | CHIEF SCIENTIFIC OFFICER | Option exercise (M) | 24K | $0 |
| Jun 25, 2026 | Lin Xichen | CHIEF SCIENTIFIC OFFICER | Conversion (C) | 8K | $0 |
| Jun 25, 2026 | Lin Xichen | CHIEF SCIENTIFIC OFFICER | Sell (S) | 8K | $387K |
| Jun 17, 2026 | Russell Angus C. | Director | Grant (A) | 39K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| ELI LILLY & COLLY | 54 funds | $5.6B |
| INTUITIVE SURGICAL INCISRG | 54 funds | $2.4B |
| BOSTON SCIENTIFIC CORPBSX | 54 funds | $1.8B |
| MICROSOFT CORPMSFT | 52 funds | $20.4B |
| AMAZON.COM INCAMZN | 52 funds | $18.5B |
| DANAHER CORPDHR | 51 funds | $2.1B |
| GILEAD SCIENCES INCGILD | 51 funds | $1.9B |
| SERVICENOW INCNOW | 51 funds | $1.5B |
| NVIDIA CORPNVDA | 50 funds | $26.8B |
| UNITEDHEALTH GROUP INCUNH | 50 funds | $2.1B |
| STRYKER CORPSYK | 50 funds | $1.1B |
| ALPHABET INC-CL AGOOGL | 49 funds | $14.2B |
Ranked by how many of GPCR'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 GPCR. 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.