Monopar Therapeutics
MNPR · NASDAQ
$74.23+$2.76 (+3.86%)TodayMarket closed ·
Prev close $71.47
Who owns MNPR
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 70.4% of MNPR’s shares.
- Janus Henderson Investors19.6%
- RA Capital Management, LP10.0%
- Gem Pharmaceuticals LLC8.5%
- AstraZeneca PLC7.8%
- Next 6 largest institutions24.6%
- All other shareholders29.6%
| Holder | Shares | % of shares |
|---|---|---|
| Janus Henderson Investors | 1.31M | 19.58% |
| RA Capital Management, LP | 667.21K | 9.96% |
| Gem Pharmaceuticals LLC | 567.58K | 8.47% |
| AstraZeneca PLC | 522.67K | 7.80% |
| Deerfield Management Company, L.P. | 323.75K | 4.83% |
| Saturn V Capital Management LP | 311.98K | 4.66% |
| BlackRock Institutional Trust Company, N.A. | 311.22K | 4.65% |
| Invus Public Equities Advisors, LLC | 270.12K | 4.03% |
| Adar1 Capital Management LLC | 217.59K | 3.25% |
| Polar Capital LLP | 214.47K | 3.20% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Polar Capital Biotechnology Fund | 203.13K | 3.03% |
| Vanguard Total Stock Market Index Fund | 159.79K | 2.38% |
| Candriam Equities L Biotechnology | 143.34K | 2.14% |
| Janus Henderson Horizon Biotechnology | 129.27K | 1.93% |
| iShares Russell 2000 ETF | 118.20K | 1.76% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $4.83M (26 trades) of MNPR on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| STARR CHRISTOPHER M | Option exercise | 8.40K | — |
| STARR CHRISTOPHER M | Sale | 799 | $63.66K |
| STARR CHRISTOPHER M | Sale | 2.97K | $234.10K |
| STARR CHRISTOPHER M | Sale | 4.63K | $361.63K |
| STARR CHRISTOPHER M | Option exercise | 8.40K | $42 |
| Cittadine Andrew | Option exercise | 4.38K | — |
| Cittadine Andrew | Tax withholding | 1.94K | $154.88K |
| Cittadine Andrew | Option exercise | 4.38K | — |
| Robinson Chandler | Option exercise | 9.80K | — |
| Robinson Chandler | Tax withholding | 4.34K | $346.09K |
Short interest
Settled Sep 30, 2026
- Shares short
- 1.09M
- Days to cover
- 6.02
- % of shares outstanding
- 16.21%
- Average daily volume
- 180.45K
- Change since last report
- +28.7%
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