209 tracked 13F filers disclose a position in AGIO as of the latest SEC 13F filings, a combined $2.0B 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 | BlackRock, Inc. | $194.7M | 5.8M | ▲+9.9% Added · +520K sh | Q1 2026 | |
| 2 | FARALLON CAPITAL MANAGEMENT LLC | $192.3M | 5.7M | ▲+10% Added · +524K sh | Q1 2026 | |
| 3 | STATE STREET CORP | $131.1M | 3.5M | ▲+5.0% Added · +169K sh | Q2 2026 | |
| 4 | Lynx1 Capital Management LP | $126.5M | 3.4M | ▲+31% Added · +797K sh | Q2 2026 | |
| 5 | ARMISTICE CAPITAL, LLC | $91.9M | 2.7M | ▼−11% Reduced · −320K sh | Q1 2026 | |
| 6 | D. E. Shaw & Co., Inc. | $90.7M | 2.7M | ▲+46% Added · +844K sh | Q1 2026 | |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | $89.1M | 2.6M | →First observed position No prior filed position | Q1 2026 | |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | $88.3M | 2.6M | →First observed position No prior filed position | Q1 2026 | |
| 9 | Erste Asset Management GmbH | $82.0M | 2.2M | ▼−20% Reduced · −550K sh | Q2 2026 | |
| 10 | BNP Paribas Asset Management Holding S.A. | $53.5M | 1.6M | ▲+16% Added · +220K sh | Q1 2026 | |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | $58.4M | 1.6M | ▲+7.2% Added · +106K sh | Q2 2026 | |
| 12 | T. Rowe Price Investment Management, Inc. | Withheld | 1.5M | ▲2k× Added · +1.5M sh | Q1 2026 | |
| 13 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $45.5M | 1.3M | ▲+18% Added · +203K sh | Q1 2026 | |
| 14 | MPM BioImpact LLC | $44.2M | 1.3M | ▲+0.2% Added · +3K sh | Q1 2026 | |
| 15 | DIMENSIONAL FUND ADVISORS LP | $38.9M | 1.2M | ▲+15% Added · +147K sh | Q1 2026 | |
| 16 | MORGAN STANLEY | $32.7M | 968K | ▲+8.2% Added · +73K sh | Q1 2026 | |
| 17 | GOLDMAN SACHS GROUP INC | $27.3M | 806K | ▼−22% Reduced · −228K sh | Q1 2026 | |
| 18 | Nuveen, LLC | $24.4M | 722K | ▲+142% Added · +424K sh | Q1 2026 | |
| 19 | JANE STREET GROUP, LLC | $23.2M | 685K | ▼−39% Reduced · −436K sh | Q1 2026 | |
| 20 | CITADEL ADVISORS LLC | $21.0M | 620K | ▼−54% Reduced · −729K sh | Q1 2026 | |
| 21 | SCS Capital Management LLC | $22.7M | 613K | —Held | Q2 2026 | |
| 22 | Rock Springs Capital Management LP | $19.8M | 533K | ▼−33% Reduced · −267K sh | Q2 2026 | |
| 23 | Foresite Capital Management VI LLC | $17.8M | 525K | ▼−0.9% Reduced · −5K sh | Q1 2026 | |
| 24 | Schonfeld Strategic Advisors LLC | $19.3M | 520K | ▲+160% Added · +320K sh | Q2 2026 | |
| 25 | NORTHERN TRUST CORP | $17.2M | 509K | ▼−0.5% Reduced · −3K 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, 4 funds opened a new position in AGIO and 29 added to an existing one, while 27 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 | 114 funds | $142.5B |
| ELI LILLY & COLLY | 114 funds | $57.3B |
| MICROSOFT CORPMSFT | 113 funds | $195.2B |
| NVIDIA CORPNVDA | 111 funds | $285.9B |
| META PLATFORMS INC-CLASS AMETA | 111 funds | $80.1B |
| BOSTON SCIENTIFIC CORPBSX | 111 funds | $11.8B |
| MICRON TECHNOLOGY INCMU | 110 funds | $30.5B |
| BROADCOM INCAVGO | 109 funds | $118.7B |
| INTUITIVE SURGICAL INCISRG | 109 funds | $21.1B |
| JPMORGAN CHASE & COJPM | 108 funds | $41.9B |
| APPLE INCAAPL | 107 funds | $212.5B |
| ADVANCED MICRO DEVICESAMD | 107 funds | $27.6B |
Ranked by how many of AGIO's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 4, 2026 | Gheuens Sarah | Chief Medical Officer | Sell (S) | 30K | $914K |
| Jul 1, 2026 | Gheuens Sarah | Chief Medical Officer | Sell (S) | 4K | $151K |
| Apr 2, 2026 | Viswanadhan Krishnan | Chief Corp Dev & Strategy | Sell (S) | 3K | $103K |
| Apr 2, 2026 | Milanova Tsveta | Chief Commercial Officer | Sell (S) | 3K | $113K |
| Apr 2, 2026 | Goff Brian | Chief Executive Officer, Director | Sell (S) | 12K | $433K |
| Apr 2, 2026 | Goff Brian | Chief Executive Officer, Director | Sell (S) | 7K | $229K |
| Apr 2, 2026 | Jones Cecilia | Chief Financial Officer | Sell (S) | 3K | $109K |
| Apr 2, 2026 | Gheuens Sarah | Chief Medical Officer | Sell (S) | 3K | $102K |
| Apr 2, 2026 | Burns James William | Chief Legal Officer | Sell (S) | 3K | $114K |
| Mar 5, 2026 | Viswanadhan Krishnan | Chief Corp Dev & Strategy | Sell (S) | 3K | $82K |
| Mar 3, 2026 | Washburn Theodore James Jr. | Principal Accounting Officer | Sell (S) | 5K | $152K |
| Mar 2, 2026 | Washburn Theodore James Jr. | Principal Accounting Officer | Sell (S) | 698 | $20K |
Connected entities for AGIO
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/AGIO/capital-change-brief"
Use Arkolith's capital_change_brief for AGIO. 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 AGIO. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.