Security Snapshot

CRESCENT BIOPHARMA, INC. - Ordinary Shares, $0.001 par value (CBIO) Institutional Ownership

CUSIP: G2545C104

13F Institutional Holders and Ownership History from Q2 2025 to Q2 2026

Latest Period

Q2 2026

Institutions Reporting

80

Shares (Excl. Options)

29,113,798

Price

$18.00

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+4,011,885
Value change
+$71,707,307
Number of holders
80
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
39,966,150
SEC-reported price per share
$16.43
Insider filing price
$16.43
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • CBIO - CRESCENT BIOPHARMA, INC. - Ordinary Shares, $0.001 par value is tracked under CUSIP G2545C104.
  • 80 institutions reported positions in Q2 2026.
  • 9 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 59 to 80 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from $461,268,042 to $524,050,483.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 80 institutions filings for Q2 2026.

Open SEC evidence

Security key

G2545C104

Latest holder period

Q2 2026

13F holders

80

13D/G owners

9

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
9
Security
CBIO
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Fairmount Funds Management LLC 17% -11% $118,843,344 +$17,260,668 6,602,408 +17% Peter Harwin 16 Jul 2026
FMR LLC 15% $49,932,849 4,133,514 FMR LLC 31 Dec 2025
Venrock Healthcare Capital Partners III, L.P. 9.5% $29,460,007 2,666,064 Venrock Healthcare Capital Partners III, L.P. 31 Dec 2025
ForGrowth III PA B.V. 6.1% $21,778,519 1,677,852 ForGrowth III PA B.V. 08 Dec 2025
BALYASNY ASSET MANAGEMENT L.P. 5.5% $29,294,640 1,510,033 Balyasny Asset Management L.P. 31 Mar 2026
Vestal Point Capital, LP 5.4% $16,575,000 1,500,000 Vestal Point Capital, LP 31 Dec 2025
BIOTECHNOLOGY VALUE FUND L P 10% $18,736,150 1,387,863 BVF PARTNERS L P/IL 30 Jun 2025
TANG CAPITAL MANAGEMENT LLC 4.2% -17% $22,504,000 +$8,924,000 1,160,000 +66% TANG CAPITAL MANAGEMENT, LLC 31 Mar 2026
Logos Global Management LP 4.1% $7,762,500 575,000 Logos Global Management LP 30 Jun 2025

As of 30 Jun 2026, 80 institutional investors reported holding 29,113,798 shares of CRESCENT BIOPHARMA, INC. - Ordinary Shares, $0.001 par value (CBIO). This represents 73% of the company’s total 39,966,150 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
68%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
FMR LLC 10% 4,133,514 0% 0% $74,403,252
BVF INC/IL 6.9% 2,748,763 0% 1.3% $49,477,734
Fairmount Funds Management LLC 6.9% 2,747,866 0% 3.3% $49,461,588
Venrock Adviser, LLC 5.3% 2,133,576 0% 1.2% $38,404,368
Logos Global Management LP 4.8% 1,900,000 +294% 1.5% $34,200,000
FCPM III SERVICES B.V. 4.2% 1,677,852 0% 4% $30,201,336
Balyasny Asset Management L.P. 4.2% 1,662,917 +10% 0.05% $29,932,506
Vestal Point Capital, LP 4.1% 1,630,000 +8.7% 0.69% $29,340,000
Opaleye Management Inc. 3.3% 1,319,351 +0.51% 2.2% $23,748,318
BlackRock, Inc. 3.2% 1,271,762 +999% 0% $22,891,716
TANG CAPITAL MANAGEMENT LLC 2.9% 1,160,000 0% 0.95% $20,880,000
VANGUARD CAPITAL MANAGEMENT LLC 1.9% 767,755 -4.2% 0% $13,819,590
MILLENNIUM MANAGEMENT LLC 1% 403,859 +25% 0% $7,269,462
GEODE CAPITAL MANAGEMENT, LLC 0.96% 384,576 +269% 0% $6,923,843
JENNISON ASSOCIATES LLC 0.95% 378,507 +147% 0% $6,813,126
NEXTBio Capital Management LP 0.93% 372,856 0% 3.1% $6,711,408
RTW INVESTMENTS, LP 0.93% 372,856 0% 0.06% $6,711,408
Remedium Capital Partners, LLC 0.9% 361,250 1.4% $6,502,500
STATE STREET CORP 0.79% 315,587 +708% 0% $5,680,566
AMERIPRISE FINANCIAL INC 0.76% 302,568 0% $5,446,224
Point72 Asset Management, L.P. 0.75% 300,000 0% 0.01% $5,400,000
PRICE T ROWE ASSOCIATES INC /MD/ 0.69% 275,581 -9.2% 0% $4,961,000
MARSHALL WACE, LLP 0.54% 214,300 +6.7% 0% $3,857,400
PERCEPTIVE ADVISORS LLC 0.52% 206,942 0% 0.06% $3,724,956
VANGUARD PORTFOLIO MANAGEMENT LLC 0.47% 188,803 0% $3,398,454

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
5
Latest
Q2 2026
Rows shown
1-5 of 5
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 29,113,798 $524,050,483 +$71,707,307 $18.00 80
2026 Q1 25,113,643 $461,268,042 +$28,504,069 $18.37 59
2025 Q4 23,741,798 $281,443,423 +$142,716,069 $11.86 54
2025 Q3 11,318,865 $134,581,435 +$2,898,876 $11.89 40
2025 Q2 10,751,740 $173,532,467 +$173,532,402 $16.14 29
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