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Disclosery

CBIO CRESCENT BIOPHARMA INC.

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COMMON STOCK (common), issuer CIK 1253689

58 managers (60 13F filers) reported a position in CBIO shares at 2026-03-31, 25,113,694 shares in all. 14 filers opened a position and 12 filers sold out during the quarter.

Managers
58
13F filers
60
New
14
Added
17
Reduced
8
Sold out
12
Shares held by filers
25,113,694

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, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, 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
FMR LLCin group FMR LLC4,133,514$75.9M<0.01%013F-HRTimelineGroup
BVF INC/ILin group BVF INC/IL2,748,763$50.5M1.61%013F-HRTimelineGroup
Fairmount Funds Management LLCin group Fairmount Funds Management LLC2,747,866$50.5M3.65%013F-HRTimelineGroup
Venrock Adviser, LLC2,133,576$39.2M1.46%013F-HRTimeline
FCPM III SERVICES B.V.in group FCPM III SERVICES B.V.1,677,852$30.8M4.27%013F-HRTimelineGroup
Balyasny Asset Management L.P.in group Balyasny Asset Management1,510,033$27.7M0.05%+1,398,31813F-HRTimelineGroup
Vestal Point Capital, LP1,500,000$27.6M0.77%013F-HRTimeline
Opaleye Management Inc.1,312,615$24.1M3.18%+134,31513F-HRTimeline
TANG CAPITAL MANAGEMENT LLCin group TANG CAPITAL MANAGEMENT LLC1,160,000$21.3M1.08%+287,60213F-HRTimelineGroup
VANGUARD GROUP INCgroup of 3 filers holding854,287$15.7MnewTimeline
Logos Global Management LP482,500$8.86M0.46%-117,50013F-HRTimeline
Deep Track Capital, LP453,686$8.33M0.17%013F-HRTimeline
RTW INVESTMENTS, LP372,856$6.85M0.07%013F-HRTimeline
NEXTBio Capital Management LP372,856$6.85M3.18%013F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC323,553$5.94M<0.01%+261,67113F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/303,551$5.58M<0.01%-34,57413F-HRTimeline
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.300,000$5.51M0.01%013F-HRTimelineGroup
Alyeska Investment Group, L.P.in group Alyeska Investment Group, L.P.264,000$4.85M0.01%013F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC228,475$4.2M<0.01%+203,23013F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…213,635$3.92M0.01%+156,58713F-HRTimelineGroup
PERCEPTIVE ADVISORS LLCin group PERCEPTIVE ADVISORS LLC206,942$3.8M0.08%-246,74413F-HR/ATimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP200,780$3.69M<0.01%+178,95413F-HRTimelineGroup
Exome Asset Management LLC153,191$2.81M1.66%new13F-HRTimeline
JENNISON ASSOCIATES LLC152,974$2.81M<0.01%new13F-HRTimeline
SILVERARC CAPITAL MANAGEMENT, LLCin group SILVERARC CAPITAL MANAGEMENT,…130,500$2.4M0.28%new13F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP115,828$2.13M<0.01%-9,39613F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.115,725$2.13M<0.01%+6,49513F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC104,221$1.92M<0.01%+13,14213F-HRTimelineGroup
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…88,867$1.63M0.01%new13F-HRTimelineGroup
Stonepine Capital Management, LLC85,000$1.56M1.37%-2,68213F-HRTimeline
UBS Group AGin group UBS Group AG82,706$1.52M<0.01%+75,58113F-HRTimelineGroup
Woodline Partners LP74,000$1.36M0.01%013F-HR/ATimeline
Burkehill Global Management, LP74,000$1.36M0.07%013F-HRTimeline
ADAR1 Capital Management, LLCin group ADAR1 Capital Management, LLC50,273$924K0.06%-555,72713F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP39,067$718K<0.01%+12,85013F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO41,004$681K<0.01%+17,66513F-HR/ATimelineGroup
BARCLAYS PLCin group BARCLAYS PLC30,189$555K<0.01%new13F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/29,277$538K<0.01%+23,70413F-HRTimelineGroup
MOORE CAPITAL MANAGEMENT, LP25,000$459K0.02%013F-HRTimeline
Lighthouse Investment Partners, LLCin group Lighthouse Investment Partner…25,000$459K0.02%new13F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …24,903$457K<0.01%013F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC24,262$446K<0.01%-22,43813F-HRTimeline
CITIGROUP INCin group CITIGROUP INC20,169$371K<0.01%+19,54613F-HRTimelineGroup
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…19,530$359K<0.01%new13F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY18,577$341K<0.01%-8,94413F-HRTimelineGroup
OMERS ADMINISTRATION Corp17,800$327K<0.01%+6,20013F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP17,229$316K<0.01%013F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS15,694$288K<0.01%+12,10913F-HRTimelineGroup
ALGERT GLOBAL LLC13,806$254K<0.01%new13F-HR/ATimeline
Verdad Advisers, LP12,748$234K0.26%new13F-HRTimeline
Cannon Global Investment Management, LLC10,200$187K0.45%new13F-HRTimeline
Parallel Advisors, LLC264$4.85K<0.01%new13F-HR/ATimeline
Allworth Financial LP161$2.96K<0.01%new13F-HRTimeline
SBI Securities Co., Ltd.68$1.25K<0.01%013F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA51$1K<0.01%+3113F-HRTimelineGroup
Fortitude Family Office, LLC40$735<0.01%new13F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.26$477<0.01%013F-HRTimelineGroup
Caitong International Asset Management …4$73<0.01%new13F-HRTimeline