178 tracked 13F filers disclose a position in STOK as of the latest SEC 13F filings, a combined $2.2B in reported value. 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.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | RTW INVESTMENTS, LP | $184.0M | 5.6M | —Held | Q2 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 | Lynx1 Capital Management LP | $132.1M | 4.0M | ▼−15% Reduced · −725K sh | Q2 2026 | |
| 6 | MORGAN STANLEY | $111.5M | 3.4M | ▼−3.5% Reduced · −123K sh | Q1 2026 | |
| 7 | BAKER BROS. ADVISORS LP | $108.6M | 3.3M | —Held | Q1 2026 | |
| 8 | TORONTO DOMINION BANK | $103.3M | 3.2M | —Held | Q1 2026 | |
| 9 | STATE STREET CORP | $93.3M | 2.9M | ▲+25% Added · +576K sh | Q2 2026 | |
| 10 | BVF INC/IL | $82.9M | 2.5M | ▲+12% Added · +282K sh | Q1 2026 | |
| 11 | VANGUARD CAPITAL MANAGEMENT LLC | $76.7M | 2.4M | →First observed position No prior filed position | Q1 2026 | |
| 12 | Siren, L.L.C. | $65.3M | 2.0M | —Held | Q2 2026 | |
| 13 | PRICE T ROWE ASSOCIATES INC /MD/ | $63.0M | 1.9M | ▲+419% Added · +1.6M sh | Q1 2026 | |
| 14 | DEERFIELD MANAGEMENT COMPANY, L.P. | $59.4M | 1.8M | —Held | Q1 2026 | |
| 15 | JANUS HENDERSON GROUP PLC | $52.5M | 1.6M | ▲+11% Added · +162K sh | Q1 2026 | |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | $49.9M | 1.5M | ▲+15% Added · +202K sh | Q2 2026 | |
| 17 | DIMENSIONAL FUND ADVISORS LP | $32.2M | 990K | ▲+20% Added · +163K sh | Q1 2026 | |
| 18 | Polar Capital Holdings Plc | $27.3M | 834K | ▼−26% Reduced · −299K sh | Q2 2026 | |
| 19 | GOLDMAN SACHS GROUP INC | $27.0M | 831K | ▼−27% Reduced · −312K sh | Q1 2026 | |
| 20 | MPM BioImpact LLC | $25.0M | 767K | ▼−0.4% Reduced · −3K sh | Q1 2026 | |
| 21 | Opaleye Management Inc. | $22.8M | 700K | ▲+0.7% Added · +5K sh | Q1 2026 | |
| 22 | Troluce Capital Advisors LLC | $21.3M | 653K | ▲New +653K sh | Q1 2026 | |
| 23 | BAILLIE GIFFORD & CO | $18.7M | 575K | ▲+133% Added · +328K sh | Q1 2026 | |
| 24 | BANK OF AMERICA CORP /DE/ | $17.7M | 543K | ▲+163% Added · +337K 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.
Last quarter, 10 funds opened a new position in STOK and 24 added to an existing one, while 15 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 85 funds | $297.3B |
| AMAZON.COM INCAMZN | 85 funds | $145.5B |
| MICROSOFT CORPMSFT | 83 funds | $198.4B |
| META PLATFORMS INC-CLASS AMETA | 82 funds | $85.7B |
| MICRON TECHNOLOGY INCMU | 82 funds | $26.6B |
| ELI LILLY & COLLY | 81 funds | $55.5B |
| REVOLUTION MEDICINES INCRVMD | 81 funds | $5.5B |
| APPLE INCAAPL | 80 funds | $210.1B |
| ALPHABET INC-CL AGOOGL | 80 funds | $118.3B |
| ALPHABET INC-CL CGOOG | 80 funds | $89.8B |
| MASTERCARD INC - AMA | 80 funds | $40.6B |
| LAM RESEARCH CORPLRCX | 80 funds | $26.6B |
Ranked by how many of STOK's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 18, 2026 | Ticho Barry | CHIEF MEDICAL OFFICER | Sell (S) | 5K | $145K |
| Aug 18, 2026 | Ticho Barry | CHIEF MEDICAL OFFICER | Sell (S) | 242 | $8K |
| Aug 18, 2026 | Kaye Edward M. MD | Director | Sell (S) | 12K | $382K |
| Aug 18, 2026 | Kaye Edward M. MD | Director | Sell (S) | 637 | $21K |
| Aug 18, 2026 | Allan Jonathan | GENERAL COUNSEL & CORP SEC | Sell (S) | 3K | $87K |
| Aug 18, 2026 | Allan Jonathan | GENERAL COUNSEL & CORP SEC | Sell (S) | 145 | $5K |
| Aug 3, 2026 | Ticho Barry | CHIEF MEDICAL OFFICER | Sell (S) | 6K | $171K |
| Aug 3, 2026 | Ticho Barry | CHIEF MEDICAL OFFICER | Sell (S) | 1K | $37K |
| Jul 1, 2026 | Ticho Barry | CHIEF MEDICAL OFFICER | Sell (S) | 7K | $219K |
| Jul 1, 2026 | Ticho Barry | CHIEF MEDICAL OFFICER | Sell (S) | 500 | $17K |
| Jun 16, 2026 | Allan Jonathan | GENERAL COUNSEL & CORP SEC | Sell (S) | 1K | $44K |
| Jun 1, 2026 | Ticho Barry | CHIEF MEDICAL OFFICER | Sell (S) | 2K | $55K |
Connected entities for STOK
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.
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.