137 tracked 13F filers disclose a position in VSTM as of the latest SEC 13F filings, a combined $378.0M 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 | $34.9M | 6.6M | —Held | Q1 2026 | |
| 2 | BlackRock, Inc. | $32.8M | 6.2M | ▲+30% Added · +1.4M sh | Q1 2026 | |
| 3 | Deep Track Capital, LP | $30.4M | 5.7M | —Held | Q1 2026 | |
| 4 | ARMISTICE CAPITAL, LLC | $24.3M | 4.6M | ▲+30% Added · +1.1M sh | Q1 2026 | |
| 5 | Nantahala Capital Management, LLC | $19.0M | 3.6M | ▲+676% Added · +3.1M sh | Q1 2026 | |
| 6 | STATE STREET CORP | $18.6M | 3.5M | ▲+9.2% Added · +297K sh | Q1 2026 | |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | $17.6M | 3.3M | →First observed position No prior filed position | Q1 2026 | |
| 8 | Foresite Capital Management VI LLC | $16.7M | 3.1M | ▲+0.4% Added · +12K sh | Q1 2026 | |
| 9 | MILLENNIUM MANAGEMENT LLC | $12.8M | 2.4M | ▲+334% Added · +1.9M sh | Q1 2026 | |
| 10 | CITADEL ADVISORS LLC | $12.2M | 2.3M | ▼−1.9% Reduced · −45K sh | Q1 2026 | |
| 11 | MORGAN STANLEY | $11.9M | 2.2M | ▲+20% Added · +376K sh | Q1 2026 | |
| 12 | Alyeska Investment Group, L.P. | $10.9M | 2.0M | ▲New +2.0M sh | Q1 2026 | |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | $9.1M | 1.7M | ▲+23% Added · +325K sh | Q1 2026 | |
| 14 | J. Goldman & Co LP | $8.9M | 1.7M | ▲+77% Added · +733K sh | Q1 2026 | |
| 15 | GOLDMAN SACHS GROUP INC | $7.9M | 1.5M | ▼−0.8% Reduced · −11K sh | Q1 2026 | |
| 16 | Qube Research & Technologies Ltd | $7.8M | 1.5M | ▲+479% Added · +1.2M sh | Q1 2026 | |
| 17 | ACORN CAPITAL ADVISORS, LLC | $7.8M | 1.5M | —Held | Q1 2026 | |
| 18 | FRANKLIN RESOURCES INC | $5.9M | 1.1M | ▲+19% Added · +180K sh | Q1 2026 | |
| 19 | Logos Global Management LP | $5.3M | 1.0M | ▼−41% Reduced · −700K sh | Q1 2026 | |
| 20 | Ishara Investments LP | $4.3M | 820K | ▲+204% Added · +550K sh | Q1 2026 | |
| 21 | Longaeva Partners L.P. | $4.3M | 808K | ▲New +808K sh | Q1 2026 | |
| 22 | VANGUARD PORTFOLIO MANAGEMENT LLC | $4.0M | 757K | →First observed position No prior filed position | Q1 2026 | |
| 23 | TWO SIGMA INVESTMENTS, LP | $3.5M | 667K | ▲+40% Added · +190K sh | Q1 2026 | |
| 24 | Exome Asset Management LLC | $3.4M | 637K | ▲+58% Added · +235K sh | Q1 2026 | |
| 25 | BAKER BROS. ADVISORS LP | $3.1M | 585K | ▲New +585K 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.
Last quarter, 15 funds opened a new position in VSTM and 26 added to an existing one, while 7 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 |
|---|---|---|
| AMAZON.COM INCAMZN | 64 funds | $96.7B |
| ELI LILLY & COLLY | 64 funds | $40.6B |
| MICROSOFT CORPMSFT | 62 funds | $139.2B |
| ALPHABET INC-CL AGOOGL | 62 funds | $78.5B |
| META PLATFORMS INC-CLASS AMETA | 62 funds | $59.4B |
| GENERAL ELECTRICGE | 62 funds | $17.1B |
| UNITEDHEALTH GROUP INCUNH | 62 funds | $15.7B |
| MORGAN STANLEYMS | 62 funds | $11.5B |
| NVIDIA CORPNVDA | 61 funds | $203.1B |
| MICRON TECHNOLOGY INCMU | 61 funds | $17.8B |
| DANAHER CORPDHR | 61 funds | $9.0B |
| BROADCOM INCAVGO | 60 funds | $83.4B |
Ranked by how many of VSTM's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 3, 2026 | Paterson Dan | President and CEO, Director | Sell (S) | 1K | $8K |
| Jun 22, 2026 | Calkins Daniel | Chief Financial Officer | Sell (S) | 4K | $17K |
| Jun 22, 2026 | Calkins Daniel | Chief Financial Officer | Sell (S) | 57 | $235 |
| Jun 22, 2026 | Paterson Dan | President and CEO, Director | Sell (S) | 21K | $87K |
| May 4, 2026 | Paterson Dan | President and CEO, Director | Sell (S) | 806 | $5K |
| Feb 4, 2026 | Paterson Dan | President and CEO, Director | Sell (S) | 970 | $6K |
| Jan 12, 2026 | Calkins Daniel | Chief Financial Officer | Sell (S) | 5K | $36K |
| Jan 12, 2026 | Paterson Dan | President and CEO, Director | Sell (S) | 10K | $74K |
| Dec 24, 2025 | Calkins Daniel | Chief Financial Officer | Sell (S) | 80 | $629 |
| Dec 16, 2025 | Gagnon Robert E. | Director | Sell (S) | 283 | $3K |
| Dec 16, 2025 | Paterson Dan | President and CEO, Director | Sell (S) | 393 | $4K |
| Dec 16, 2025 | Stuglik Brian M | Director | Sell (S) | 592 | $5K |
Connected entities for VSTM
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/VSTM/capital-change-brief"
Use Arkolith's capital_change_brief for VSTM. 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 VSTM. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.