| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | JANUS HENDERSON GROUP PLC | $72.1M | 1.3M | —Held | Q1 2026 | |
| 2 | RA CAPITAL MANAGEMENT, L.P. | $36.6M | 667K | —Held | Q1 2026 | |
| 3 | Saturn V Capital Management LP | $18.9M | 346K | ▲+6.1% Added · +20K sh | Q1 2026 | |
| 4 | DEERFIELD MANAGEMENT COMPANY, L.P. | $17.7M | 324K | ▲+90% Added · +153K sh | Q1 2026 | |
| 5 | BlackRock, Inc. | $17.3M | 317K | ▲+24% Added · +62K sh | Q1 2026 | |
| 6 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $16.9M | 309K | ▼−52% Reduced · −330K sh | Q1 2026 | |
| 7 | Siren, L.L.C. | $14.8M | 270K | ▲+27% Added · +58K sh | Q1 2026 | |
| 8 | ADAR1 Capital Management, LLC | $14.5M | 264K | ▲+13% Added · +30K sh | Q1 2026 | |
| 9 | Polar Capital Holdings Plc | $12.4M | 227K | ▲+114% Added · +121K sh | Q1 2026 | |
| 10 | VANGUARD CAPITAL MANAGEMENT LLC | $12.0M | 218K | ▲New +218K sh | Q1 2026 | |
| 11 | BALYASNY ASSET MANAGEMENT L.P. | $7.5M | 136K | ▲+328% Added · +105K sh | Q1 2026 | |
| 12 | TCG Crossover Management, LLC | $7.2M | 132K | ▼−6.9% Reduced · −10K sh | Q1 2026 | |
| 13 | Alyeska Investment Group, L.P. | $5.5M | 100K | ▲+150% Added · +60K sh | Q1 2026 | |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | $5.5M | 100K | ▲+0.9% Added · +911 sh | Q1 2026 | |
| 15 | Vivo Capital, LLC | $5.0M | 91K | —Held | Q1 2026 | |
| 16 | STATE STREET CORP | $4.8M | 88K | ▲+5.2% Added · +4K sh | Q1 2026 | |
| 17 | Bank of New York Mellon Corp | $4.3M | 79K | ▲+21% Added · +14K sh | Q1 2026 | |
| 18 | Vestal Point Capital, LP | $3.6M | 65K | ▲New +65K sh | Q1 2026 | |
| 19 | Walleye Capital LLC | $3.5M | 63K | ▲New +63K sh | Q1 2026 | |
| 20 | BANK OF AMERICA CORP /DE/ | $3.3M | 60K | ▲+838% Added · +53K sh | Q1 2026 | |
| 21 | CITADEL ADVISORS LLC | $3.2M | 58K | ▲12× Added · +53K sh | Q1 2026 | |
| 22 | MILLENNIUM MANAGEMENT LLC | $2.9M | 53K | ▼−31% Reduced · −24K sh | Q1 2026 | |
| 23 | PRICE T ROWE ASSOCIATES INC /MD/ | $2.6M | 48K | ▲+110% Added · +25K sh | Q1 2026 | |
| 24 | VANGUARD PORTFOLIO MANAGEMENT LLC | $2.5M | 46K | ▲New +46K sh | Q1 2026 | |
| 25 | Neuberger Berman Group LLC | $2.3M | 42K | ▲+30% Added · +10K 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 |
|---|---|---|
| REVOLUTION MEDICINES INCRVMD | 18 funds | $972.2M |
| AMAZON.COM INCAMZN | 17 funds | $5.7B |
| MICROSOFT CORPMSFT | 17 funds | $4.6B |
| BROADCOM INCAVGO | 17 funds | $3.4B |
| MICRON TECHNOLOGY INCMU | 17 funds | $3.4B |
| INTUITIVE SURGICAL INCISRG | 17 funds | $1.0B |
| BOSTON SCIENTIFIC CORPBSX | 17 funds | $513.0M |
| ARROWHEAD PHARMACEUTICALS INARWR | 17 funds | $420.0M |
| CENTENE CORPCNC | 17 funds | $410.7M |
| DEXCOM INCDXCM | 17 funds | $179.1M |
| NVIDIA CORPNVDA | 16 funds | $10.4B |
| META PLATFORMS INC-CLASS AMETA | 16 funds | $3.4B |
Ranked by how many of MNPR's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Dec 26, 2025 | Vu Quan Anh | Chief Financial Officer | Buy (P) | 2K | $105K |
| Dec 18, 2025 | KLAUSNER ARTHUR J | Director | Sell (S) | 5K | $312K |
| Dec 18, 2025 | KLAUSNER ARTHUR J | Director | Sell (S) | 461 | $31K |
| Sep 24, 2025 | Tactic Pharma LLC | Chief Executive Officer, Director, 10% Owner | Sell (S) | 550K | $35.0M |
| Jul 14, 2025 | Robinson Chandler | Chief Executive Officer, Director | Sell (S) | 17K | $672K |
| Jul 14, 2025 | STARR CHRISTOPHER M | Director | Sell (S) | 17K | $672K |
| Jul 14, 2025 | Tsuchimoto Kim R | Director | Sell (S) | 9K | $356K |
| Apr 2, 2025 | Brown Michael J | Insider | Sell (S) | 33K | $1.2M |
| Oct 28, 2024 | Radhakrishnan Karthik | Chief Financial Officer | Buy (P) | 2K | $25K |
| Jun 20, 2024 | Cittadine Andrew | Chief Operating Officer | Buy (P) | 21K | $15K |
| Jun 18, 2024 | Cittadine Andrew | Chief Operating Officer | Buy (P) | 12K | $10K |
| Jun 17, 2024 | Cittadine Andrew | Chief Operating Officer | Buy (P) | 12K | $11K |
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/MNPR/capital-change-brief"
Use Arkolith's capital_change_brief for MNPR. 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 MNPR. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.