Monopar Therapeutics (MNPR)
Develops ALXN1840 for Wilson disease and MNPR-101 radiopharmaceuticals for oncology.
$95.59
vs last close−0.13 (−0.14%)
Something off on this page? Send us feedback.
13F · 13D/G · Form 4
| Institutions | 92.91% | 6.24M shares | |
|---|---|---|---|
| 98 holders · as of Jun 30, 2026 | |||
| Insiders | 12.33% | 827.4K shares | |
| 10 holders · as of Aug 28, 2026 | |||
| Strategic holders | 31.02% | 2.08M shares | |
| 3 holders · as of Feb 6, 2026 | |||
| Adds to | 136.26% | ||
6.71M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
These groups come from separate filings that can overlap, so they add to 136.26%; nothing is left for Other.
13F, as of Jun 30, 2026
98 holders · 6.24M shares · 32 new positions · 64 increased · 24 reduced · 16 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Jupiter Topco LLC | 1.31M | 19.55% | +1.31Mnew | Aug 14, 2026 |
| Ra Capital Management, L.P. | 667.2K | 9.94% | 0 | Aug 14, 2026 |
| BlackRock, Inc. | 348.8K | 5.20% | +32.3K | Aug 7, 2026 |
| Deerfield Management Company, L.P. (Series C) | 323.7K | 4.82% | 0 | Aug 14, 2026 |
| Saturn V Capital Management LLC | 312.0K | 4.65% | −33.7K | Aug 14, 2026 |
| Siren, L.L.C. | 270.1K | 4.02% | 0 | Aug 13, 2026 |
| Adar1 Capital Management, LLC | 217.6K | 3.24% | −46.7K | Aug 14, 2026 |
| Polar Capital Holdings PLC | 214.5K | 3.20% | −12.1K | Aug 14, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Janus Henderson Group PLC | 19.50% | 1.29M | 13G | Nov 14, 2025 |
| Ein # | 10.90% | 562.5K | Nov 6, 2024 | |
| RA Capital Management, L.P. | 9.90% | 667.6K | 13G | Feb 17, 2026 |
| Alexion Pharmaceuticals, Inc.incl. AstraZeneca PLC | 9.90% | 387.3K | 13G | Oct 28, 2024 |
| Peter Kolchinskyincl. Rajeev Shah, RA Capital Management, L.P. +1 more | 9.70% | 511.2K | 13G | Oct 31, 2024 |
| AstraZeneca PLC | 7.80% | 522.7K | 13G | Feb 6, 2026 |
| Adage Capital Management, L.P. | 6.23% | 424.2K | 13G | May 13, 2026 |
| Saturn V Capital Management LP | 5.20% | 345.6K | 13G | May 15, 2026 |
| Tang Capital Management, LLC | 5.10% | 200.0K | Oct 24, 2024 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 26, 2026 | Kim R. Tsuchimotodirector | Sale · 6 lots | 4,090 | $111.39 | 0 |
| Aug 25, 2026 | Raymond Andersondirector | Sale · 4 lots | 3,788 | $111.65 | 5,373 |
| Aug 26, 2026 | Patrice Riouxother: Acting Chief Medical Officer | Sale | 1 | $111.26 | 5,065 |
| Dec 26, 2025 | Quan Anh Vuofficer: Chief Financial Officer | Purchase | 1,500 | $69.95 | 1,500 |
| Dec 18, 2025 | Arthur J. Klausnerdirector | Sale · 2 lots | 5,121 | $67.15 | 8,762 |
| Sep 24, 2025 | Tactic Pharma LLC10 percent owner | Sale | 550,229 | $63.61 | 272,026 |
House and Senate disclosures
Not reported.