Vault-13

MONOPAR THERAPEUTICS INC MNPR

COM NEW · Common Stock · CUSIP 61023L207

Biopharmaceutical company

96 institutional holders +14 vs Q1 2026
6,222,2016.2m shares reported held*
$576.1mreported value*
28 new 32 added 24 reduced 14 sold out net sold ≈ $968.8k (-8.5k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $92.59.

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

050100Q3 24: 7Q4 24: 19Q1 25: 36Q2 25: 44Q3 25: 56Q4 25: 74Q1 26: 82Q2 26: 9696Q3 24Q1 25Q3 25Q1 26Q2 26
Numbers
QuarterHolders
Q3 20247
Q4 202419
Q1 202536
Q2 202544
Q3 202556
Q4 202574
Q1 202682
Q2 202696

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q4 24: 14 bought or addedQ4 24: 1 cut or sold outQ4 24Q1 25: 24 bought or addedQ1 25: 6 cut or sold outQ2 25: 34 bought or addedQ2 25: 15 cut or sold outQ2 25Q3 25: 35 bought or addedQ3 25: 17 cut or sold outQ4 25: 54 bought or addedQ4 25: 15 cut or sold outQ4 25Q1 26: 49 bought or addedQ1 26: 29 cut or sold outQ2 26: 60 bought or addedQ2 26: 38 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q4 2024141
Q1 2025246
Q2 20253415
Q3 20253517
Q4 20255415
Q1 20264929
Q2 20266038

Biggest buyers

ORBIMED ADVISORS LLC New +157,423+157.4k
Candriam S.C.A. New +143,339+143.3k
TCG Crossover Management, LLC Added +71,224+71.2k
Longaeva Partners L.P. New +55,834+55.8k
Driehaus Capital Management LLC Added +50,884+50.9k
Ikarian Capital, LLC New +47,861+47.9k
BlackRock, Inc. Added +32,252+32.3k
STEMPOINT CAPITAL LP New +30,125+30.1k
BOOTHBAY FUND MANAGEMENT, LLC New +14,689+14.7k
NEUBERGER BERMAN GROUP LLC Added +12,760+12.8k

Biggest sellers

Sio Capital Management, LLC Sold out -173,506-173.5k
ADAGE CAPITAL PARTNERS GP, L.L.C. Reduced -100,000-100.0k
Walleye Capital LLC Sold out -63,119-63.1k
BANK OF AMERICA CORP /DE/ Reduced -56,449-56.4k
ADAR1 Capital Management, LLC Reduced -46,683-46.7k
PRICE T ROWE ASSOCIATES INC /MD/ Reduced -44,003-44.0k
SILVERARC CAPITAL MANAGEMENT, LLC Sold out -43,488-43.5k
Saturn V Capital Management LP Reduced -33,650-33.6k
Jump Financial, LLC Sold out -22,808-22.8k
Squarepoint Ops LLC Sold out -21,754-21.8k

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
JANUS HENDERSON GROUP PLC 13G · institution +0.3 pts · filed 2025-11-14 19.5% +0.3 pts 1.3m≈ $119.2m 2025-11-14
Monopar Therapeutics 13D · may seek influence filed 2025-02-07 13.4% 704.8k≈ $65.3m 2025-02-07
RA CAPITAL MANAGEMENT, L.P. 13G · passive investor no change · filed 2026-02-17 9.9% no change 667.6k≈ $61.8m 2026-02-17
ASTRAZENECA PLC 13G · passive investor filed 2026-02-06 7.8% 522.7k≈ $48.4m 2026-02-06
BlackRock, Inc. 13G · institution new · filed 2026-10-27 5.0% new 338.1k≈ $31.3m 2026-10-27

Fell to 5% or below in the last year: Adage Capital Management, L.P. (4.8%, 2026-08-12), Saturn V Capital Management LP (4.7%, 2026-08-12), Tactic Pharma LLC (4.5%, 2026-01-30)

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
404Q4 24: 1 buyingQ4 24: 0 sellingQ1 25: 0 buyingQ1 25: 0 sellingQ1 25Q2 25: 0 buyingQ2 25: 1 sellingQ3 25: 0 buyingQ3 25: 4 sellingQ3 25Q4 25: 1 buyingQ4 25: 1 sellingQ1 26: 0 buyingQ1 26: 0 sellingQ1 26Q2 26: 0 buyingQ2 26: 0 sellingQ3 26: 0 buyingQ3 26: 3 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20241$25.2k0——
Q1 20250—0——
Q2 20250—1$1.2m—
Q3 20250—4$36.0m—
Q4 20251$104.9k1$343.9k—
Q1 20260—0——
Q2 20260—0——
Q3 20260—3$3.4m$3.4m
DateInsiderTradeSharesPrice ValueTheir holding
2026-09-24 Robinson Chandler Chief Executive Officer, director Sold plan 29,056 $88.00 $2.6m29.1k shares -23%
2026-08-26 Tsuchimoto Kim R Director Sold plan 4,090 $111.39 $455.6k4.1k shares -100%
2026-08-26 RIOUX PATRICE Acting Chief Medical Officer Sold plan 1 $111.26 $1111 share -<1%
2026-08-25 Anderson Raymond Director Sold plan 3,142 $111.98 $351.8k3.1k shares -37%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Jupiter Topco LLC 0.05% of their portfolio NEW YORK, NY 1,312,1291.3m $121.7m $121.7m 0.05% First filing
2 RA CAPITAL MANAGEMENT, L.P. 0.54% of their portfolio BOSTON, MA 667,207667.2k $61.8m $61.8m 0.54% Unchanged
3 BlackRock, Inc. 0.00% of their portfolio New York, NY 348,819348.8k $32.3m $32.3m 0.00% Added +32.3k +32,252
4 DEERFIELD MANAGEMENT COMPANY, L.P. 0.31% of their portfolio New York, NY 323,745323.7k $30.0m $30.0m 0.31% Unchanged
5 Saturn V Capital Management LP 4.14% of their portfolio AUSTIN, TX 311,976312.0k $28.9m $28.9m 4.14% Reduced -33.6k -33,650
6 Siren, L.L.C. 0.51% of their portfolio New York, NY 270,118270.1k $25.0m $25.0m 0.51% Unchanged
7 ADAR1 Capital Management, LLC 0.95% of their portfolio AUSTIN, TX 217,595217.6k $20.1m $20.1m 0.95% Reduced -46.7k -46,683
8 Polar Capital Holdings Plc 0.06% of their portfolio London, X0 214,469214.5k $19.9m $19.9m 0.06% Reduced -12.1k -12,057
9 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 209,711209.7k $19.4m $19.4m 0.00% Reduced -8.8k -8,752
10 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.03% of their portfolio Boston, MA 209,195209.2k $19.4m $19.4m 0.03% Reduced -100.0k -100,000
11 TCG Crossover Management, LLC 0.45% of their portfolio PALO ALTO, CA 203,327203.3k $18.8m $18.8m 0.45% Added +71.2k +71,224
12 WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio Boston, MA 158,437158.4k $14.7m $14.7m 0.00% Reduced -15.9k -15,905
13 ORBIMED ADVISORS LLC 0.28% of their portfolio New York, NY 157,423157.4k $14.6m $14.6m 0.28% New
14 Candriam S.C.A. 0.06% of their portfolio STRASSEN, N4 143,339143.3k $13.3m $13.3m 0.06% New
15 Balyasny Asset Management L.P. 0.02% of their portfolio Chicago, IL 134,543134.5k $12.5m $12.5m 0.02% Reduced -1.9k -1,900
16 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 112,578112.6k $10.4m $10.4m 0.00% Added +12.7k +12,660
17 Alyeska Investment Group, L.P. 0.02% of their portfolio CHICAGO, IL 100,000100.0k $9.3m $9.3m 0.02% Unchanged
18 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 92,55192.6k $8.6m $8.6m 0.00% Added +4.2k +4,196
19 Vivo Capital, LLC 0.77% of their portfolio Palo Alto, CA 90,50090.5k $8.4m $8.4m 0.77% Unchanged
20 Driehaus Capital Management LLC 0.05% of their portfolio Chicago, IL 84,04084.0k $7.8m $7.8m 0.05% Added +50.9k +50,884
21 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 76,94276.9k $7.1m $7.1m 0.00% Reduced -1.7k -1,676
22 Vestal Point Capital, LP 0.16% of their portfolio NEW YORK, NY 75,72775.7k $7.0m $7.0m 0.16% Added +10.3k +10,309
23 Longaeva Partners L.P. 0.15% of their portfolio Chicago, IL 55,83455.8k $5.2m $5.2m 0.15% New
24 NEUBERGER BERMAN GROUP LLC 0.00% of their portfolio NEW YORK, NY 55,19455.2k $5.1m $5.1m 0.00% Added +12.8k +12,760
25 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 50,31150.3k $4.7m $4.7m 0.00% Reduced -2.6k -2,640
26 VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 48,81648.8k $4.5m $4.5m 0.00% Added +2.8k +2,829
27 Ikarian Capital, LLC 0.73% of their portfolio DALLAS, TX 47,86147.9k $4.4m $4.4m 0.73% New
28 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 37,00437.0k $3.4m $3.4m 0.00% Reduced -21.4k -21,432
29 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 34,64134.6k $3.2m $3.2m 0.00% Added +2.8k +2,779
30 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 31,00831.0k $2.9m $2.9m 0.00% Added +2.2k +2,186
31 STEMPOINT CAPITAL LP 0.48% of their portfolio NEW YORK, NY 30,12530.1k $2.8m $2.8m 0.48% New
32 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 28,28028.3k $2.6m $2.6m 0.00% Reduced -167 -167
33 UBS Group AG 0.00% of their portfolio ZURICH, V8 27,25927.3k $2.5m $2.5m 0.00% Reduced -12.2k -12,177
34 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 17,91917.9k $1.7m $1.7m 0.00% Reduced -4.4k -4,393
35 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 17,80017.8k $1.6m $1.6m 0.00% Added +11.0k +10,981
36 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 16,16116.2k $1.5m $1.5m 0.00% Reduced -18.5k -18,549
37 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 14,85014.8k $1.4m $1.4m 0.00% Added +601 +601
38 BOOTHBAY FUND MANAGEMENT, LLC 0.03% of their portfolio NEW YORK, NY 14,68914.7k $1.4m $1.4m 0.03% New
39 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 13,95314.0k $1.3m $1.3m 0.00% Added +1.4k +1,395
40 Ishara Investments LP 0.84% of their portfolio LOS ANGELES, CA 12,30012.3k $1.1m $1.1m 0.84% New
41 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 12,25212.3k $1.1m $1.1m 0.00% Added +2.5k +2,487
42 Trexquant Investment LP 0.01% of their portfolio STAMFORD, CT 12,00412.0k $1.1m $1.1m 0.01% New
43 Creative Planning 0.00% of their portfolio OVERLAND PARK, KS 7,7687.8k $719.2k $719.2k 0.00% Added +1.8k +1,781
44 GSA CAPITAL PARTNERS LLP 0.04% of their portfolio LONDON, X0 7,5327.5k $697.0k $697.0k 0.04% New
45 XTX Topco Ltd 0.01% of their portfolio LONDON, X0 6,5366.5k $605.2k $605.2k 0.01% New
46 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 5,9806.0k $553.7k $553.7k 0.00% Added +429 +429
47 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 5,8335.8k $540.1k $540.1k 0.00% Reduced -19.1k -19,102
48 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 5,6305.6k $521.3k $521.3k 0.00% Added +684 +684
49 GERBER, LLC 0.24% of their portfolio COLUMBUS, OH 5,6015.6k $518.6k $518.6k 0.24% Unchanged
50 Virtus Investment Advisers, LLC 0.12% of their portfolio HARTFORD, CT 5,4745.5k $506.8k $506.8k 0.12% Added +1.8k +1,819
51 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 5,4745.5k $506.8k $506.8k 0.00% New
52 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.00% of their portfolio TALLAHASSEE, FL 5,3005.3k $490.7k $490.7k 0.00% New
53 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 4,7604.8k $260.8k $260.8k 0.00% New
54 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 3,9584.0k $366.5k $366.5k 0.00% Added +2.2k +2,230
55 Aquatic Capital Management LLC 0.01% of their portfolio CHICAGO, IL 3,8273.8k $354.3k $354.3k 0.01% New
56 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 3,6993.7k $343.0k $343.0k 0.00% Reduced -44.0k -44,003
57 Engineers Gate Manager LP 0.00% of their portfolio NEW YORK, NY 3,4793.5k $322.1k $322.1k 0.00% Reduced -955 -955
58 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 3,2503.2k $300.9k $300.9k 0.00% Reduced -56.4k -56,449
59 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 2,9082.9k $269.3k $269.3k 0.00% Added +370 +370
60 EP Wealth Advisors, LLC 0.00% of their portfolio TORRANCE, CA 2,6032.6k $241.0k $241.0k 0.00% New
61 Entropy Technologies, LP 0.01% of their portfolio NEW YORK, NY 2,6002.6k $240.7k $240.7k 0.01% New
62 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 2,5062.5k $237.0k $237.0k 0.00% Added +84 +84
63 GABELLI FUNDS LLC 0.00% of their portfolio Rye, NY 2,5002.5k $231.5k $231.5k 0.00% New
64 WINTON GROUP Ltd 0.01% of their portfolio LONDON, X0 2,5002.5k $231.5k $231.5k 0.01% Reduced -4.3k -4,329
65 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 2,4692.5k $228.6k $228.6k 0.00% New
66 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 2,4002.4k $222.2k $222.2k 0.00% Added +1.2k +1,200
67 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 2,3562.4k $218.1k $218.1k 0.00% New
68 Martin Investment Management, LLC 0.07% of their portfolio PALM BEACH GARDENS, FL 2,3272.3k $215.5k $215.5k 0.07% New
69 Schonfeld Strategic Advisors LLC 0.00% of their portfolio NEW YORK, NY 2,3102.3k $213.9k $213.9k 0.00% New
70 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 2,0882.1k $193.3k $193.3k 0.00% Added +1.9k +1,856
71 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 2,0762.1k $192.2k $192.2k 0.00% Added +20 +20
72 DIADEMA PARTNERS LP 0.05% of their portfolio MORRISTOWN, NJ 1,6301.6k $150.9k $150.9k 0.05% Unchanged
73 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 1,5531.6k $143.8k $143.8k 0.00% Unchanged
74 Quarry LP 0.02% of their portfolio NEW YORK, NY 1,5021.5k $139.1k $139.1k 0.02% New
75 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 1,4681.5k $135.9k $135.9k 0.00% Added +504 +504
76 MEEDER ASSET MANAGEMENT INC 0.01% of their portfolio DUBLIN, OH 1,3891.4k $128.6k $128.6k 0.01% Added +752 +752
77 NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0.00% of their portfolio MILWAUKEE, WI 1,3501.4k $125.0k $125.0k 0.00% New
78 Persistent Asset Partners Ltd 0.04% of their portfolio HONG KONG, K3 1,2711.3k $117.7k $117.7k 0.04% Added +488 +488
79 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 741741 $68.6k $68.6k 0.00% Reduced -238 -238
80 NewEdge Advisors, LLC 0.00% of their portfolio NEW ORLEANS, LA 600600 $55.6k $55.6k 0.00% Unchanged
81 FMR LLC 0.00% of their portfolio BOSTON, MA 530530 $49.1k $49.1k 0.00% Added +121 +121
82 Legal & General Group Plc 0.00% of their portfolio London, X0 465465 $43.1k $43.1k 0.00% Added +57 +57
83 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 409409 $37.9k $37.9k 0.00% Added +109 +109
84 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 345345 $31.9k $31.9k 0.00% Reduced -416 -416
85 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 136136 $13.0k $13.0k 0.00% Added +87 +87
86 Allworth Financial LP 0.00% of their portfolio FOLSOM, CA 111111 $10.3k $10.3k 0.00% Unchanged
87 C M BIDWELL & ASSOCIATES LTD 0.00% of their portfolio HONOLULU, HI 9494 $8.7k $8.7k 0.00% New
88 Sterling Capital Management LLC 0.00% of their portfolio CHARLOTTE, NC 7272 $6.7k $6.7k 0.00% Added +43 +43
89 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 6262 $5.7k $5.7k 0.00% Reduced -185 -185
90 Global Retirement Partners, LLC 0.00% of their portfolio San Rafael, CA 3232 $3.0k $3.0k 0.00% First filing
91 GAMMA Investing LLC 0.00% of their portfolio FOSTER CITY, CA 2525 $2.3k $2.3k 0.00% Reduced -4 -4
92 Farther Finance Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 2424 $2.2k $2.2k 0.00% New
93 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 66 $556 $556 0.00% Reduced -66 -66
94 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 66 $556 $556 0.00% New
95 Arax Advisory Partners 0.00% of their portfolio NEW YORK, NY 33 $278 $278 0.00% New
96 Integrated Wealth Concepts LLC 0.00% of their portfolio WALTHAM, MA 11 $93 $93 0.00% New