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/DYN/capital-change-brief"
Use Arkolith's capital_change_brief for DYN. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | T. Rowe Price Investment Management, Inc. | Withheld | 30.8M | ▲+76% Added · +13.2M sh | Q1 2026 | |
| 2 | JANUS HENDERSON GROUP PLC | $247.4M | 13.6M | ▼−1.7% Reduced · −240K sh | Q1 2026 | |
| 3 | BlackRock, Inc. | $212.1M | 11.7M | ▲+4.5% Added · +509K sh | Q1 2026 | |
| 4 | FMR LLC | $161.5M | 8.9M | ▲+36% Added · +2.3M sh | Q1 2026 | |
| 5 | Orbis Allan Gray Ltd | $122.6M | 6.8M | ▲+41% Added · +2.0M sh | Q1 2026 | |
| 6 | STATE STREET CORP | $120.6M | 6.7M | ▼−0.6% Reduced · −39K sh | Q1 2026 | |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | $116.1M | 6.4M | ▲New +6.4M sh | Q1 2026 | |
| 8 | PERCEPTIVE ADVISORS LLC | $84.6M | 4.7M | ▲+34% Added · +1.2M sh | Q1 2026 | |
| 9 | FCPM III SERVICES B.V. | $84.2M | 4.6M | ▼−15% Reduced · −818K sh | Q1 2026 | |
| 10 | TCG Crossover Management, LLC | $83.7M | 4.6M | —Held | Q1 2026 | |
| 11 | VANGUARD PORTFOLIO MANAGEMENT LLC | $75.5M | 4.2M | ▲New +4.2M sh | Q1 2026 | |
| 12 | Vestal Point Capital, LP | $72.5M | 4.0M | ▲33× Added · +3.9M sh | Q1 2026 | |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | $63.5M | 3.5M | ▲+7.4% Added · +241K sh | Q1 2026 | |
| 14 | JPMORGAN CHASE & CO | $55.6M | 3.3M | ▼−8.3% Reduced · −296K sh | Q1 2026 | |
| 15 | ARMISTICE CAPITAL, LLC | $57.6M | 3.2M | ▼−2.3% Reduced · −75K sh | Q1 2026 | |
| 16 | Frazier Life Sciences Management, L.P. | $57.2M | 3.2M | —Held | Q1 2026 | |
| 17 | ORBIMED ADVISORS LLC | $52.9M | 2.9M | ▲+32% Added · +716K sh | Q1 2026 | |
| 18 | PRICE T ROWE ASSOCIATES INC /MD/ | $42.2M | 2.3M | ▲+0.2% Added · +5K sh | Q1 2026 | |
| 19 | Siren, L.L.C. | $40.4M | 2.2M | ▼−36% Reduced · −1.3M sh | Q1 2026 | |
| 20 | Venrock Adviser, LLC | $39.4M | 2.2M | —Held | Q1 2026 | |
| 21 | FRANKLIN RESOURCES INC | $36.4M | 2.0M | ▲+0.1% Added · +2K sh | Q1 2026 | |
| 22 | Deep Track Capital, LP | $36.3M | 2.0M | ▼−25% Reduced · −650K sh | Q1 2026 | |
| 23 | SAMLYN CAPITAL, LLC | $34.9M | 1.9M | ▲+29% Added · +429K sh | Q1 2026 | |
| 24 | GOLDMAN SACHS GROUP INC | $31.2M | 1.7M | ▼−25% Reduced · −560K sh | Q1 2026 | |
| 25 | BRAIDWELL LP | $30.5M | 1.7M | ▲+14% Added · +204K 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 7, 2026 | Rhodes Jason P | Director | Sell (S) | 124K | $2.9M |
| Jul 7, 2026 | Rhodes Jason P | Director | Sell (S) | 30K | $699K |
| Jul 7, 2026 | Rhodes Jason P | Director | Sell (S) | 63K | $1.4M |
| Jul 7, 2026 | Rhodes Jason P | Director | Sell (S) | 15K | $351K |
| Jul 7, 2026 | Rhodes Jason P | Director | Sell (S) | 49K | $1.1M |
| Jul 7, 2026 | Rhodes Jason P | Director | Sell (S) | 12K | $276K |
| Jul 7, 2026 | Rhodes Jason P | Director | Sell (S) | 5K | $118K |
| Jul 6, 2026 | Rhodes Jason P | Director | Sell (S) | 253K | $5.8M |
| Jul 6, 2026 | Rhodes Jason P | Director | Sell (S) | 127K | $2.9M |
| Jul 6, 2026 | Rhodes Jason P | Director | Sell (S) | 100K | $2.3M |
| Jun 29, 2026 | Rhodes Jason P | Director | Sell (S) | 103K | $2.2M |
| Jun 29, 2026 | Rhodes Jason P | Director | Sell (S) | 52K | $1.1M |
| Company | Co-held by | Combined value |
|---|---|---|
| ELI LILLY & COLLY | 67 funds | $8.1B |
| BOSTON SCIENTIFIC CORPBSX | 67 funds | $2.2B |
| NVIDIA CORPNVDA | 66 funds | $48.4B |
| MICROSOFT CORPMSFT | 66 funds | $31.3B |
| INTUITIVE SURGICAL INCISRG | 66 funds | $2.9B |
| DANAHER CORPDHR | 66 funds | $1.5B |
| AMAZON.COM INCAMZN | 65 funds | $23.6B |
| ALPHABET INC-CL AGOOGL | 64 funds | $22.6B |
| META PLATFORMS INC-CLASS AMETA | 64 funds | $14.9B |
| UNITEDHEALTH GROUP INCUNH | 64 funds | $3.1B |
| BROADCOM INCAVGO | 63 funds | $18.3B |
| VISA INC-CLASS A SHARESV | 63 funds | $5.2B |
Ranked by how many of DYN'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 DYN. 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.