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/STOK/capital-change-brief"
Use Arkolith's capital_change_brief for STOK. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | RTW INVESTMENTS, LP | $183.1M | 5.6M | ▲+1.4% Added · +77K sh | Q1 2026 | |
| 2 | BlackRock, Inc. | $175.4M | 5.4M | ▲+3.3% Added · +173K sh | Q1 2026 | |
| 3 | FMR LLC | $175.3M | 5.4M | ▼−3.9% Reduced · −217K sh | Q1 2026 | |
| 4 | Redmile Group, LLC | $135.6M | 4.2M | ▲+3.2% Added · +130K sh | Q1 2026 | |
| 5 | MORGAN STANLEY | $111.5M | 3.4M | ▼−3.5% Reduced · −123K sh | Q1 2026 | |
| 6 | BAKER BROS. ADVISORS LP | $108.6M | 3.3M | —Held | Q1 2026 | |
| 7 | TORONTO DOMINION BANK | $103.3M | 3.2M | —Held | Q1 2026 | |
| 8 | BVF INC/IL | $82.9M | 2.5M | ▲+12% Added · +282K sh | Q1 2026 | |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | $76.7M | 2.4M | ▲New +2.4M sh | Q1 2026 | |
| 10 | STATE STREET CORP | $74.1M | 2.3M | ▼−8.9% Reduced · −222K sh | Q1 2026 | |
| 11 | Siren, L.L.C. | $65.0M | 2.0M | ▼−11% Reduced · −252K sh | Q1 2026 | |
| 12 | PRICE T ROWE ASSOCIATES INC /MD/ | $63.0M | 1.9M | ▲+419% Added · +1.6M sh | Q1 2026 | |
| 13 | DEERFIELD MANAGEMENT COMPANY, L.P. | $59.4M | 1.8M | —Held | Q1 2026 | |
| 14 | JANUS HENDERSON GROUP PLC | $52.5M | 1.6M | ▲+11% Added · +162K sh | Q1 2026 | |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | $43.1M | 1.3M | ▲+13% Added · +156K sh | Q1 2026 | |
| 16 | Polar Capital Holdings Plc | $36.9M | 1.1M | ▼−11% Reduced · −137K sh | Q1 2026 | |
| 17 | DIMENSIONAL FUND ADVISORS LP | $32.2M | 990K | ▲+20% Added · +163K sh | Q1 2026 | |
| 18 | GOLDMAN SACHS GROUP INC | $27.0M | 831K | ▼−27% Reduced · −312K sh | Q1 2026 | |
| 19 | MPM BioImpact LLC | $25.0M | 767K | ▼−0.4% Reduced · −3K sh | Q1 2026 | |
| 20 | Opaleye Management Inc. | $22.8M | 700K | ▲+0.7% Added · +5K sh | Q1 2026 | |
| 21 | Troluce Capital Advisors LLC | $21.3M | 653K | ▲New +653K sh | Q1 2026 | |
| 22 | BAILLIE GIFFORD & CO | $18.7M | 575K | ▲+133% Added · +328K sh | Q1 2026 | |
| 23 | BANK OF AMERICA CORP /DE/ | $17.7M | 543K | ▲+163% Added · +337K sh | Q1 2026 | |
| 24 | Candriam S.C.A. | $16.3M | 502K | ▲+12% Added · +55K sh | Q1 2026 | |
| 25 | TANG CAPITAL MANAGEMENT LLC | $16.3M | 500K | —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 |
|---|---|---|---|---|---|
| Jul 16, 2026 | Harrison Seth Loring | Director | Gift (G) | 18K | $0 |
| Jul 16, 2026 | Harrison Seth Loring | Director | Gift (G) | 18K | $0 |
| Jul 16, 2026 | Harrison Seth Loring | Director | Gift (G) | 30K | $0 |
| Jul 16, 2026 | Harrison Seth Loring | Director | Gift (G) | 30K | $0 |
| Jul 16, 2026 | Harrison Seth Loring | Director | Gift (G) | 8K | $0 |
| Jul 16, 2026 | Harrison Seth Loring | Director | Gift (G) | 8K | $0 |
| Jul 16, 2026 | Harrison Seth Loring | Director | Gift (G) | 19K | $0 |
| Jul 16, 2026 | Harrison Seth Loring | Director | Gift (G) | 19K | $0 |
| Jul 16, 2026 | Harrison Seth Loring | Director | Gift (G) | 21K | $0 |
| Jul 16, 2026 | Harrison Seth Loring | Director | Gift (G) | 21K | $0 |
| Jul 16, 2026 | Harrison Seth Loring | Director | Gift (G) | 12K | $0 |
| Jul 16, 2026 | Harrison Seth Loring | Director | Gift (G) | 12K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 61 funds | $30.4B |
| AMAZON.COM INCAMZN | 61 funds | $24.4B |
| META PLATFORMS INC-CLASS AMETA | 61 funds | $14.8B |
| MICRON TECHNOLOGY INCMU | 61 funds | $8.5B |
| NVIDIA CORPNVDA | 60 funds | $48.6B |
| BROADCOM INCAVGO | 60 funds | $18.0B |
| TESLA INCTSLA | 59 funds | $10.2B |
| BOSTON SCIENTIFIC CORPBSX | 59 funds | $1.7B |
| ALPHABET INC-CL AGOOGL | 58 funds | $19.8B |
| ELI LILLY & COLLY | 58 funds | $7.7B |
| ARISTA NETWORKS INCANET | 57 funds | $5.6B |
| NETFLIX INCNFLX | 57 funds | $5.2B |
Ranked by how many of STOK'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 STOK. 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.