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MBRX MOLECULIN BIOTECH INC

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COM (common), issuer CIK 1659617

17 managers (18 13F filers) reported a position in MBRX shares at 2026-06-30, 185,784 shares in all. 5 filers opened a position and 7 filers sold out during the quarter.

Managers
17
13F filers
18
New
5
Added
7
Reduced
0
Sold out
7
Shares held by filers
185,784

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
VANGUARD GROUP INCgroup of 3 filers holding72,098$201K+52,133Timeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC47,252$132K<0.01%+14,92313F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd22,942$64K<0.01%new13F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY20,036$55.9K<0.01%+20,00013F-HRTimelineGroup
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…15,000$41.9K<0.01%+10,57913F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…3,514$9.8K<0.01%+1,67913F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC2,674$7.46K<0.01%new13F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC621$1.73K<0.01%new13F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.491$1.37K<0.01%013F-HRTimelineGroup
EFG International AGin group EFG International AG434$1.21K<0.01%013F-HRTimelineGroup
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP360$1.18K<0.01%new13F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN200$558<0.01%new13F-HRTimelineGroup
NFSG Corp114$318<0.01%013F-HRTimeline
SBI Securities Co., Ltd.44$123<0.01%+113F-HRTimeline
DANSKE BANK A/S2$6<0.01%013F-HRTimeline
CVA Family Office, LLC1$3<0.01%013F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.1$2<0.01%013F-HRTimelineGroup