Companies / Crescent Biopharma, Inc.

Crescent Biopharma, Inc.

Nasdaq: CBIOCIK 1253689WALTHAM, MA
Insider flow · last 90 daysNet sells $1.23M

Financials · FY2025

Revenue$10.84M
Net income$-153.94M
Total debt
Cash$171.59M
Diluted EPS$-0.59
Shares outstanding37.1M

Ownership

37.1M shares outstanding · as of Jul 27, 2026
14.3%10%+ / strategic
Ownership
10%+ / strategic14.25%5,293,514
Institutions59.97%22,274,099
Public float25.78%9,576,327

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 15

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Insider% of sharesShares
Bispham Barbara HarlinFormerSee Remarks
Brumm Joshua TCEOChief Executive Officer · Director
Fairmount Funds Management LLCFormerDirector · 10% owner
Fairmount Healthcare Fund II L.P.FormerDirector · 10% owner
Harwin Peter EvanDirector · 10% owner
Im Ellie EunkyungChief Medical Officer
Kiselak TomasFormerDirector · 10% owner
Lynch RyanFormerSee Remarks

Institutional holders 62

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HolderValue% of shares
Bvf INC/IL$50.49M7.40%
Fmr LLC$49.02M11.13%
Fairmount Funds Management LLC$32.59M7.40%
Balyasny Asset Management L.P.$27.74M4.07%
VR Adviser, LLC$25.30M5.74%
BlackRock, Inc.$22.89M3.42%
Tang Capital Management, LLC$21.31M3.12%
Fcpm III Services B.V.$19.90M4.52%
Vestal Point Capital, LP$17.79M4.04%
Opaleye Management Inc.$13.97M3.17%

Activity

Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).
DateActorActionSecurityValueShares ΔPosition afterImpact
Q1 2026
as of
Balyasny Asset Management L.P.
13F manager
AddCommon stock$25.69M+1.4M
+1251.68%
1,510,033
4.07% of shares
medium
Q2 2026
as of
BlackRock, Inc.
13F manager
AddCommon stock$20.93M+1.2M
+1064.30%
1,271,762
3.42% of shares
medium
Q2 2025
as of
Boxer Capital Management, LLC
13F manager
NewCommon stock$7.32M+454K
453,686
1.22% of shares
medium
Q2 2026
as of
Remedium Capital Partners, LLC
13F manager
NewCommon stock$6.50M+361K
361,250
0.97% of shares
medium
Q1 2026
as of
Tang Capital Management, LLC
13F manager
AddCommon stock$5.28M+288K
+32.97%
1,160,000
3.12% of shares
medium
Q2 2026
as of
State Street Corporation
13F manager
AddCommon stock$5.21M+289K
+1103.75%
315,587
0.85% of shares
medium
Q1 2026
as of
Millennium Management LLC
13F manager
AddCommon stock$4.81M+262K
+422.85%
323,553
0.87% of shares
low
Q1 2026
as of
Perceptive Advisors LLC
13F manager
TrimCommon stock$-4.53M-247K
-54.39%
206,942
0.56% of shares
low

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Fmr LLCPassive13G/A4,133,514
Venrock Healthcare Capital Partners III, L.P.Passive13G/A
Vestal Point Capital, LPPassive13G
Balyasny Asset Management L.P.Passive13G
Tang Capital Management, LLCPassive13G/A1,160,000

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
CBIO38000Q201
CBIOG2545C104