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 STRO 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/STRO"
Use Arkolith to show who owns STRO, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BVF INC/IL | $31.2M | 1.3M | ▲New +1.3M sh | Q1 2026 | |
| 2 | ORBIMED ADVISORS LLC | $20.0M | 801K | ▲New +801K sh | Q1 2026 | |
| 3 | RA CAPITAL MANAGEMENT, L.P. | $17.8M | 715K | ▲New +715K sh | Q1 2026 | |
| 4 | EVENTIDE ASSET MANAGEMENT, LLC | $17.8M | 715K | ▲New +715K sh | Q1 2026 | |
| 5 | PERCEPTIVE ADVISORS LLC | $17.8M | 715K | ▲New +715K sh | Q1 2026 | |
| 6 | Point72 Asset Management, L.P. | $17.2M | 692K | ▲+286% Added · +513K sh | Q1 2026 | |
| 7 | Woodline Partners LP | $11.4M | 457K | ▲New +457K sh | Q1 2026 | |
| 8 | CITADEL ADVISORS LLC | $2.9M | 118K | ▲+266% Added · +85K sh | Q1 2026 | |
| 9 | VANGUARD FIDUCIARY TRUST CO | $2.4M | 95K | ▲New +95K sh | Q1 2026 | |
| 10 | Eversept Partners, LP | $1.8M | 73K | ▼−62% Reduced · −120K sh | Q1 2026 | |
| 11 | STATE STREET CORP | $1.3M | 52K | ▲+52% Added · +18K sh | Q1 2026 | |
| 12 | Trexquant Investment LP | $855K | 34K | ▲New +34K sh | Q1 2026 | |
| 13 | Hudson Bay Capital Management LP | $368K | 15K | ▲New +15K sh | Q1 2026 | |
| 14 | Sigma Planning Corp | $312K | 13K | ▲New +13K sh | Q1 2026 | |
| 15 | CWM, LLC | $24K | 983 | ▼−34% Reduced · −516 sh | Q1 2026 | |
| 16 | NISA INVESTMENT ADVISORS, LLC | $1K | 44 | —Held | Q1 2026 | |
| 17 | Arax Advisory Partners | $75 | 41 | ▲14× Added · +38 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 |
|---|---|---|---|---|---|
| Jun 5, 2026 | Hunter Heidi | Director | Grant (A) | 10K | $0 |
| Jun 5, 2026 | Jagpal Sukhi | Director | Grant (A) | 10K | $0 |
| Jun 5, 2026 | Petree Daniel H | Director | Grant (A) | 10K | $0 |
| Jun 5, 2026 | Wigginton Jon Marc | Director | Grant (A) | 10K | $0 |
| Mar 4, 2026 | Pauling David | Chief Admin. Ofcr. & GC | Option exercise (M) | 675 | $0 |
| Mar 4, 2026 | Chung Jane | Chief Executive Officer, Director | Option exercise (M) | 788 | $0 |
| Mar 4, 2026 | Chung Jane | Chief Executive Officer, Director | Tax withholding (F) | 282 | $6K |
| Mar 4, 2026 | Chung Jane | Chief Executive Officer, Director | Option exercise (M) | 788 | $0 |
| Mar 4, 2026 | Pauling David | Chief Admin. Ofcr. & GC | Tax withholding (F) | 277 | $6K |
| Mar 4, 2026 | Pauling David | Chief Admin. Ofcr. & GC | Option exercise (M) | 675 | $0 |
| Mar 2, 2026 | Chow Gregory K. | CFO | Grant (A) | 5K | $0 |
| Mar 2, 2026 | Chung Jane | Chief Executive Officer, Director | Tax withholding (F) | 3K | $57K |
| Company | Co-held by | Combined value |
|---|---|---|
| INTUITIVE SURGICAL INCISRG | 14 funds | $1.3B |
| REVOLUTION MEDICINES INCRVMD | 14 funds | $856.3M |
| BOSTON SCIENTIFIC CORPBSX | 14 funds | $804.3M |
| MIRUM PHARMACEUTICALS INCMIRM | 14 funds | $602.7M |
| ABIVAX SA-ADRABVX | 14 funds | $577.2M |
| AXSOME THERAPEUTICS INCAXSM | 14 funds | $301.2M |
| REGENERON PHARMACEUTICALSREGN | 14 funds | $239.2M |
| OLEMA PHARMACEUTICALS INCOLMA | 14 funds | $168.7M |
| ELI LILLY & COLLY | 13 funds | $1.3B |
| CELCUITY INCCELC | 13 funds | $569.0M |
| UNITED THERAPEUTICS CORPUTHR | 13 funds | $555.2M |
| BIOCRYST PHARMACEUTICALS INCBCRX | 13 funds | $346.6M |
Ranked by how many of STRO'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 STRO. 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.