13F

Stock

Moleculin Biotech, Inc.

MBRX · held by 20 managers

Reported value

$316.9K

Holders

20

+4 new · −3 exited

Holders’ est. mark

−$22K

Price effect on 13 books still in the name

Largest holder

$171.8K

SABBY MANAGEMENT, LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
SABBY MANAGEMENT, LLC75K$171.8KNew
GEODE CAPITAL MANAGEMENT, LLC32.3K$74K−$15.4KAdded$23.9K
VANGUARD CAPITAL MANAGEMENT LLC13.9K$31.8KHeld
VANGUARD FIDUCIARY TRUST CO6.07K$13.9KHeld
Rockefeller Capital Management L.P.4.42K$10.1K−$223Added$9.4K
UBS Group AG3.41K$7.81K−$3.48KCut−$11.6K
Tower Research Capital LLC (TRC)1.83K$4.2K−$1.42KCut−$409
BlackRock, Inc.491$1.12K−$501Cut−$514
EFG International AG434$994−$443Cut−$443
Pinnacle Wealth Planning Services, Inc.281$643−$287Cut−$287
Newbridge Financial Services Group, Inc.114$261−$116Cut−$116
SBI Securities Co., Ltd.43$98−$30Added$2
MORGAN STANLEY36$83−$36Cut−$36
Vanguard Global Advisers, LLC24$55Held
HRT FINANCIAL LP13.7K$31New
Fidelity3$7New
Caitong International Asset Management Co., Ltd2$5New
DANSKE BANK A/S2$5−$2Cut−$2
CVA Family Office, LLC1$2−$1Cut−$1
OSAIC HOLDINGS, INC.1$2−$1Cut−$1

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.