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/HTFL/capital-change-brief"
Use Arkolith's capital_change_brief for HTFL. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Bain Capital Life Sciences Investors, LLC | $254.2M | 10.4M | ▼−16% Reduced · −2.0M sh | Q1 2026 | |
| 2 | FMR LLC | $131.3M | 5.4M | ▲+31% Added · +1.3M sh | Q1 2026 | |
| 3 | JANUS HENDERSON GROUP PLC | $53.1M | 2.2M | ▲+152% Added · +1.3M sh | Q1 2026 | |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | $49.8M | 2.0M | ▲New +2.0M sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $46.1M | 1.9M | ▲New +1.9M sh | Q1 2026 | |
| 6 | BlackRock, Inc. | $35.6M | 1.5M | ▲+9.0% Added · +120K sh | Q1 2026 | |
| 7 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | $34.4M | 1.4M | ▼−1.1% Reduced · −16K sh | Q1 2026 | |
| 8 | ALLIANCEBERNSTEIN L.P. | $35.7M | 1.2M | ▲+12% Added · +135K sh | Q1 2026 | |
| 9 | MILLENNIUM MANAGEMENT LLC | $26.6M | 1.1M | ▲16× Added · +1.0M sh | Q1 2026 | |
| 10 | BAILLIE GIFFORD & CO | $26.4M | 1.1M | ▼−64% Reduced · −1.9M sh | Q1 2026 | |
| 11 | SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | $21.7M | 892K | ▼−29% Reduced · −367K sh | Q1 2026 | |
| 12 | MORGAN STANLEY | $20.7M | 852K | ▲+14% Added · +106K sh | Q1 2026 | |
| 13 | FRANKLIN RESOURCES INC | $19.3M | 794K | ▲+16% Added · +109K sh | Q1 2026 | |
| 14 | EVENTIDE ASSET MANAGEMENT, LLC | $18.4M | 757K | ▲+50% Added · +251K sh | Q1 2026 | |
| 15 | CITADEL ADVISORS LLC | $18.4M | 757K | ▼−39% Reduced · −492K sh | Q1 2026 | |
| 16 | VOYA INVESTMENT MANAGEMENT LLC | $17.7M | 728K | ▲+218% Added · +499K sh | Q1 2026 | |
| 17 | Ensign Peak Advisors, Inc | $16.8M | 690K | ▼−1.5% Reduced · −10K sh | Q1 2026 | |
| 18 | 12 West Capital Management LP | $15.6M | 640K | ▲New +640K sh | Q1 2026 | |
| 19 | FRED ALGER MANAGEMENT, LLC | $15.5M | 638K | ▲+45% Added · +198K sh | Q1 2026 | |
| 20 | Rock Springs Capital Management LP | $13.9M | 573K | ▲+106% Added · +295K sh | Q1 2026 | |
| 21 | Champlain Investment Partners, LLC | $13.8M | 567K | ▲New +567K sh | Q1 2026 | |
| 22 | GEODE CAPITAL MANAGEMENT, LLC | $13.2M | 542K | ▲+8.3% Added · +42K sh | Q1 2026 | |
| 23 | Point72 Asset Management, L.P. | $13.1M | 538K | ▲+77% Added · +234K sh | Q1 2026 | |
| 24 | RTW INVESTMENTS, LP | $12.0M | 495K | —Held | Q1 2026 | |
| 25 | STATE STREET CORP | $11.0M | 451K | ▲+40% Added · +128K 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 15, 2026 | Rogers Campbell | Chief Medical Officer | Option exercise (M) | 9K | $0 |
| Jul 15, 2026 | Rogers Campbell | Chief Medical Officer | Sell (S) | 9K | $237K |
| Jul 15, 2026 | Rogers Campbell | Chief Medical Officer | Option exercise (M) | 9K | $175K |
| Jul 10, 2026 | Farquhar John C.M. | Chief Executive Officer, Director | Sell (S) | 23K | $626K |
| Jul 8, 2026 | WELDON WILLIAM C | Director | Option exercise (M) | 17K | $0 |
| Jul 8, 2026 | WELDON WILLIAM C | Director | Option exercise (M) | 17K | $0 |
| Jul 8, 2026 | WELDON WILLIAM C | Director | Option exercise (M) | 17K | $0 |
| Jul 8, 2026 | WELDON WILLIAM C | Director | Option exercise (M) | 17K | $143K |
| Jul 8, 2026 | WELDON WILLIAM C | Director | Option exercise (M) | 17K | $143K |
| Jul 8, 2026 | WELDON WILLIAM C | Director | Option exercise (M) | 17K | $143K |
| Jun 24, 2026 | Farquhar John C.M. | Chief Executive Officer, Director | Sell (S) | 39K | $1.4M |
| Jun 16, 2026 | Tansey Casey M | Director | Grant (A) | 16K | $515K |
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 47 funds | $32.2B |
| MICROSOFT CORPMSFT | 46 funds | $19.7B |
| BROADCOM INCAVGO | 45 funds | $10.4B |
| ELI LILLY & COLLY | 45 funds | $5.5B |
| AMAZON.COM INCAMZN | 44 funds | $19.5B |
| SERVICENOW INCNOW | 44 funds | $1.7B |
| BOSTON SCIENTIFIC CORPBSX | 44 funds | $1.7B |
| META PLATFORMS INC-CLASS AMETA | 43 funds | $10.4B |
| MICRON TECHNOLOGY INCMU | 43 funds | $5.3B |
| MASTERCARD INC - AMA | 43 funds | $3.8B |
| INTUITIVE SURGICAL INCISRG | 43 funds | $3.1B |
| TD AMERITRADE HOLDING CORPAMT | 43 funds | $1.1B |
Ranked by how many of HTFL'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 HTFL. 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.