Monopar Therapeutics Inc. (MNPR) ownership: Top institutional holder: JANUS HENDERSON GROUP PLC ($72.06M). Insider activity: Net Seller (2 buys, 6 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| JANUS HENDERSON GROUP PLC | 1317410.00 | $72.06M | 2026-03-31 |
| RA CAPITAL MANAGEMENT, L.P. | 667207.00 | $36.56M | 2026-03-31 |
| VANGUARD GROUP INC | 293816.00 | $19.19M | 2025-12-31 |
| Saturn V Capital Management LP | 345626.00 | $18.94M | 2026-03-31 |
| DEERFIELD MANAGEMENT COMPANY, L.P. | 323745.00 | $17.74M | 2026-03-31 |
| BlackRock, Inc. | 316567.00 | $17.34M | 2026-03-31 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 309195.00 | $16.94M | 2026-03-31 |
| Siren, L.L.C. | 270118.00 | $14.80M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-03-31 | |
| Buy | null | 2026-03-31 | |
| Sell | null | 2026-03-31 | |
| Sell | null | 2026-03-31 | |
| Buy | null | 2026-03-31 | |
| Sell | null | 2026-03-31 | |
| Sell | null | 2026-03-02 | |
| Sell | null | 2025-01-28 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.