| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | FEDERATED HERMES, INC. | $45.7M | 1.8M | —Held | Q1 2026 | |
| 2 | FRED ALGER MANAGEMENT, LLC | $33.0M | 1.3M | ▼−13% Reduced · −187K sh | Q1 2026 | |
| 3 | ORBIMED ADVISORS LLC | $31.0M | 1.2M | —Held | Q1 2026 | |
| 4 | JANUS HENDERSON GROUP PLC | $30.8M | 1.2M | ▼−17% Reduced · −238K sh | Q1 2026 | |
| 5 | Affinity Asset Advisors, LLC | $26.2M | 1.0M | ▲+2.3% Added · +22K sh | Q1 2026 | |
| 6 | MPM BioImpact LLC | $25.9M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 7 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $24.6M | 950K | ▲+185% Added · +617K sh | Q1 2026 | |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | $13.8M | 532K | ▲New +532K sh | Q1 2026 | |
| 9 | MORGAN STANLEY | $13.0M | 500K | ▲+609% Added · +430K sh | Q1 2026 | |
| 10 | Cable Car Capital, LP | $10.4M | 400K | —Held | Q1 2026 | |
| 11 | FMR LLC | $8.8M | 341K | ▲+9.6% Added · +30K sh | Q1 2026 | |
| 12 | MILLENNIUM MANAGEMENT LLC | $8.8M | 338K | ▲+37% Added · +91K sh | Q1 2026 | |
| 13 | Woodline Partners LP | $8.6M | 332K | —Held | Q1 2026 | |
| 14 | CITADEL ADVISORS LLC | $6.0M | 233K | ▲New +233K sh | Q1 2026 | |
| 15 | AWM Investment Company, Inc. | $5.2M | 200K | ▼−16% Reduced · −37K sh | Q1 2026 | |
| 16 | SPHERA FUNDS MANAGEMENT LTD. | $4.8M | 185K | ▼−0.5% Reduced · −885 sh | Q1 2026 | |
| 17 | MARSHALL WACE, LLP | $3.9M | 150K | ▲+314% Added · +114K sh | Q1 2026 | |
| 18 | Integral Health Asset Management, LLC | $3.9M | 150K | ▲New +150K sh | Q1 2026 | |
| 19 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $3.5M | 133K | ▲+152% Added · +81K sh | Q1 2026 | |
| 20 | GEODE CAPITAL MANAGEMENT, LLC | $3.3M | 125K | ▲+0.7% Added · +833 sh | Q1 2026 | |
| 21 | Ikarian Capital, LLC | $3.1M | 119K | ▼−60% Reduced · −181K sh | Q1 2026 | |
| 22 | AMERIPRISE FINANCIAL INC | $2.9M | 112K | ▼−27% Reduced · −41K sh | Q1 2026 | |
| 23 | Russell Investments Group, Ltd. | $2.4M | 92K | ▲New +92K sh | Q1 2026 | |
| 24 | Qube Research & Technologies Ltd | $2.2M | 86K | ▲+167% Added · +54K sh | Q1 2026 | |
| 25 | Candriam S.C.A. | $2.2M | 85K | ▲New +85K 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.
| Company | Co-held by | Combined value |
|---|---|---|
| ELI LILLY & COLLY | 19 funds | $2.1B |
| UNITEDHEALTH GROUP INCUNH | 18 funds | $1.3B |
| GILEAD SCIENCES INCGILD | 18 funds | $972.3M |
| BOSTON SCIENTIFIC CORPBSX | 18 funds | $971.8M |
| AMAZON.COM INCAMZN | 17 funds | $7.1B |
| INTUITIVE SURGICAL INCISRG | 17 funds | $1.5B |
| ELEVANCE HEALTH INCELV | 17 funds | $664.3M |
| REGENERON PHARMACEUTICALSREGN | 17 funds | $411.3M |
| APELLIS PHARMACEUTICALS INCAPLSUSD | 17 funds | $281.5M |
| MICROSOFT CORPMSFT | 16 funds | $6.6B |
| ALPHABET INC-CL AGOOGL | 16 funds | $5.2B |
| MICRON TECHNOLOGY INCMU | 16 funds | $3.1B |
Ranked by how many of FBRX's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Dec 30, 2025 | Riley Antony A | CHIEF FINANCIAL OFFICER | Buy (P) | 10K | $255K |
| Nov 21, 2024 | Riley Antony A | CHIEF FINANCIAL OFFICER | Buy (P) | 23K | $125K |
| Dec 18, 2023 | Wagner Paul A. | See Remarks, Director | Buy (P) | 10K | $8K |
| Dec 14, 2023 | Wagner Paul A. | See Remarks, Director | Buy (P) | 10K | $7K |
| Dec 13, 2023 | Wagner Paul A. | See Remarks, Director | Buy (P) | 11K | $7K |
| Dec 12, 2023 | Wagner Paul A. | See Remarks, Director | Buy (P) | 5K | $3K |
| Dec 11, 2023 | Wagner Paul A. | See Remarks, Director | Buy (P) | 25K | $16K |
| Dec 8, 2023 | Wagner Paul A. | See Remarks, Director | Buy (P) | 15K | $9K |
| Dec 7, 2023 | Wagner Paul A. | See Remarks, Director | Buy (P) | 36K | $21K |
| Nov 22, 2023 | Wagner Paul A. | See Remarks, Director | Buy (P) | 400 | $172 |
| Nov 20, 2023 | Wagner Paul A. | See Remarks, Director | Buy (P) | 5K | $2K |
| Nov 20, 2023 | Wagner Paul A. | See Remarks, Director | Buy (P) | 100 | $43 |
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/FBRX/capital-change-brief"
Use Arkolith's capital_change_brief for FBRX. 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 FBRX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.