Monopar TherapeuticsMNPR

13F holders, Q1 2026 (March 31)
82holders +8
16new positions
10sold out
2famous investors
$54.77avg. 13F price*

At the end of Q1 2026, 82 institutions reported holding Monopar Therapeutics Inc. (MNPR) in their 13F filings, up 8 from Q4 2025. 16 opened new positions and 10 sold out. The largest holders were Janus Henderson Group PLC ($72.1M), Ra Capital Management, L.P. ($36.6M) and Saturn V Capital Management LP ($18.9M). 2 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Monopar Therapeutics Inc.
CUSIP
61023L207
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080100 Q3 2024: 6Q3 2024Q4 2024: 18Q4 2024Q1 2025: 35Q1 2025Q2 2025: 43Q2 2025Q3 2025: 56Q3 2025Q4 2025: 74Q4 2025Q1 2026: 82Q1 2026Q2 2026: 95Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions16$22.3M
Exits10$9.3M

All 13F filers, Q4 2025 → Q1 2026: 1,300,530 shares bought and 590,226 shares sold, net +710,304 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 82 holders

Janus Henderson Group PLC 0.03% No change 1,317,410 $72.1M
Ra Capital Management, L.P. 0.39% No change 667,207 $36.6M
Saturn V Capital Management LP 3.43% Add +6.1% 345,626 $18.9M
Deerfield Management Company, L.P. 0.25% Add +89.8% 323,745 $17.7M
BlackRock, Inc. 0.00% Add +24.2% 316,567 $17.3M
Adage Capital Partners Gp, L.L.C. 0.03% Reduce -51.6% 309,195 $16.9M
Siren, L.L.C. 0.41% Add +27.2% 270,118 $14.8M
ADAR1 Capital Management, LLC 0.88% Add +13.0% 264,278 $14.5M
Polar Capital Holdings Plc 0.05% Add +114.2% 226,526 $12.4M
Vanguard Capital Management LLC 0.00% — 218,463 $12.0M
Wellington Management Group LLP 0.00% Reduce -22.9% 174,342 $9.6M
Sio Capital Management, LLC 1.37% New 173,506 $9.5M
Balyasny Asset Management L.P. 0.02% Add +327.6% 136,443 $7.5M
TCG Crossover Management, LLC 0.21% Reduce -6.9% 132,103 $7.2M
Alyeska Investment Group, L.P. 0.02% Add +150.0% 100,000 $5.5M
Geode Capital Management, LLC 0.00% Add +0.9% 99,918 $5.5M
Vivo Capital, LLC 0.41% No change 90,500 $5.0M
State Street Corp. 0.00% Add +5.2% 88,355 $4.8M
Bank of New York Mellon Corp 0.00% Add +21.2% 78,618 $4.3M
Vestal Point Capital, LP 0.10% New 65,418 $3.6M
Walleye Capital LLC 0.02% New 63,119 $3.5M
Bank of America Corp. 0.00% Add +838.2% 59,699 $3.3M
Citadel Advisors 0.00% Add +1051.9% 58,436 $3.2M
Millennium Management 0.00% Reduce -30.9% 52,951 $2.9M
T. Rowe Price Associates Inc. 0.00% Add +109.9% 47,702 $2.6M
Vanguard Portfolio Management LLC 0.00% — 45,987 $2.5M
Silverarc Capital Management, LLC 0.28% New 43,488 $2.4M
Neuberger Berman Group LLC 0.00% Add +30.4% 42,434 $2.3M
UBS Group AG 0.00% Add +827.9% 39,436 $2.2M
Goldman Sachs Group Inc. 0.00% Add +235.0% 34,710 $1.9M
Driehaus Capital Management LLC 0.01% Reduce -1.7% 33,156 $1.8M
Northern Trust Corp. 0.00% Add +4.5% 31,862 $1.7M
Deutsche Bank AG 0.00% Add +754.5% 28,822 $1.6M
Vanguard Fiduciary Trust Co. 0.00% — 28,447 $1.6M
Barclays PLC 0.00% Add +23.2% 24,935 $1.4M
Jump Financial, LLC 0.02% New 22,808 $1.2M
Morgan Stanley 0.00% Reduce -17.3% 22,312 $1.2M
Squarepoint Ops LLC 0.00% Add +106.8% 21,754 $1.2M
Russell Investments Group, Ltd. 0.00% Add +4078.6% 14,249 $781K
Charles Schwab Investment Management Inc. 0.00% Reduce -12.1% 12,558 $688K
Two Sigma Investments, LP 0.00% Add +95.7% 9,765 $535K
Sei Investments Co. 0.00% Add +9.5% 7,582 $415K
WINTON GROUP Ltd 0.01% New 6,829 $374K
Ameriprise Financial Inc. 0.00% New 6,819 $374K
Informed Momentum Co LLC 0.04% Reduce -45.3% 6,225 $341K
Creative Planning 0.00% New 5,987 $328K
TD Asset Management Inc 0.00% Add +90.8% 5,884 $322K
Gerber, LLC 0.17% No change 5,601 $307K
Nuveen, LLC 0.00% No change 5,551 $304K
Rhumbline Advisers 0.00% Reduce -0.9% 4,946 $271K
Manufacturers Life Insurance Company, The 0.00% New 4,572 $251K
Engineers Gate Manager LP 0.00% Add +2.2% 4,434 $243K
Susquehanna International Group, LLP 0.00% New 4,137 $227K
Quadrature Capital Ltd 0.00% New 3,673 $201K
Virtus Investment Advisers, LLC 0.06% Add +2.5% 3,655 $200K
Your Advocates Ltd., LLP 0.06% New 3,344 $183K
MetLife Investment Management, LLC 0.00% No change 2,538 $139K
JPMorgan Chase & Co. 0.00% Add +14.8% 2,422 $129K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -1.6% 2,056 $113K
Wells Fargo & Company 0.00% Reduce -66.3% 1,728 $95K
Diadema Partners LP 0.04% New 1,630 $89K
Vanguard Global Advisers, LLC 0.00% — 1,553 $85K
New York State Common Retirement Fund 0.00% No change 1,200 $66K
BNP Paribas Financial Markets 0.00% Reduce -3.5% 979 $54K
Police & Firemen's Retirement System of New Jersey 0.00% No change 964 $53K
Persistent Asset Partners Ltd 0.02% New 783 $43K
Tower Research Capital LLC (TRC) 0.00% Add +119.3% 761 $42K
Meeder Asset Management Inc. 0.00% Reduce -35.9% 637 $35K
NewEdge Advisors, LLC 0.00% No change 600 $33K
FMR LLC 0.00% Add +14.3% 409 $22K
Legal & General Group Plc 0.00% Reduce -14.8% 408 $22K
Ameritas Investment Partners, Inc. 0.00% No change 300 $16K
California State Teachers Retirement System 0.00% Reduce -12.1% 247 $14K
Citigroup Inc. 0.00% Reduce -98.3% 232 $13K
Allworth Financial LP 0.00% Add +11.0% 111 $6K
US Bancorp \de 0.00% New 72 $4K
Royal Bank of Canada 0.00% Reduce -85.0% 49 $2K
GAMMA Investing LLC 0.00% Add +107.1% 29 $2K
Sterling Capital Management LLC 0.00% No change 29 $2K
Caitong International Asset Management Co., Ltd 0.00% Reduce -99.1% 25 $1K
Cwm, LLC 0.00% Add +200.0% 15 $822
Kilter Group LLC 0.00% New 1 $55

"% of holder's portfolio" is MNPR's weight in each manager's 13F, not the share of Monopar Therapeutics Inc. the manager owns.