Crescent Biopharma, Inc. - Ordinary Shares, par value $0.001 per share (CBIO)

CUSIP: 38000Q201

Q1 2026 13F Holders as of 31 Mar 2026

Type / Class
Equity / Ordinary Shares, par value $0.001 per share
Shares outstanding
13,839,146
Total 13F shares
835,853
Share change
+461,357
Total reported value
$15,354,620
Price per share
$18.37
Number of holders
3
Value change
+$8,475,128
Number of buys
2

Security key

38000Q201

Report period

Q1 2026

Institutions

3

Top holders

3

Top shareholders of CBIO - Crescent Biopharma, Inc. - Ordinary Shares, par value $0.001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
Fairmount Funds Management LLC
13D/G 3/4/5 13F
Director, 10%+ Owner · Company
19%
5,643,482
$73,252,396 +$32,700,021 04 Dec 2025
FMR LLC
13D/G 13F
Company
15%
4,133,514
$49,932,849 $0 31 Dec 2025
BVF INC/IL
13F
Company
10%
2,748,763
$32,600,329 31 Dec 2025
13F
Venrock Healthcare Capital Partners III, L.P.
13D/G
9.5%
2,666,064
$29,460,007 $0 31 Dec 2025
BALYASNY ASSET MANAGEMENT L.P.
13D/G 13F
Company
5.5%
1,510,033
$29,294,640 $0 31 Mar 2026
VR Adviser, LLC
13F
Company
7.7%
2,133,576
$25,304,211 31 Dec 2025
13F
TANG CAPITAL MANAGEMENT LLC
13D/G 13F
Company
4.2%
1,160,000
$22,504,000 +$8,924,000 31 Mar 2026
ForGrowth III PA B.V.
13D/G
6.1%
1,677,852
$21,778,519 $0 08 Dec 2025
1Globe Capital LLC
13D/G
10%
1,425,432
$20,839,816 +$7,729,886 07 Oct 2025
FCPM III SERVICES B.V.
13F
Company
6.1%
1,677,852
$19,899,325 31 Dec 2025
13F
BIOTECHNOLOGY VALUE FUND L P
13D/G
BVF PARTNERS L P/IL
10%
1,387,863
$18,736,150 $0 30 Jun 2025
Vestal Point Capital, LP
13F 13D/G
Company
5.4%
from 13D/G
1,500,000
$17,790,000 31 Dec 2025
Opaleye Management Inc.
13F
Company
4.3%
1,178,300
$13,974,638 31 Dec 2025
13F
Logos Global Management LP
13D/G 13F
Company
4.1%
575,000
$7,762,500 $0 30 Jun 2025
ADAR1 Capital Management, LLC
13F
Company
2.2%
606,000
$7,187,160 31 Dec 2025
13F
VANGUARD GROUP INC
13F
Company
2%
557,506
$6,612,021 31 Dec 2025
13F
Boxer Capital Management, LLC
13F
Company
1.6%
453,686
$5,380,716 31 Dec 2025
13F
Deep Track Capital, LP
13F
Company
1.6%
453,686
$5,380,716 31 Dec 2025
13F
PERCEPTIVE ADVISORS LLC
13F
Company
1.6%
453,686
$5,380,716 31 Dec 2025
13F
Scott D. Sandell
3/4/5
10%+ Owner
class O/S missing
2,237,196
$5,279,783 25 Jan 2023
Joshua T. Brumm
3/4/5
Chief Executive Officer, Director
mixed-class rows
503,984
mixed-class rows
$4,878,636 15 Dec 2025
NEXTBio Capital Management LP
13F
Company
1.4%
372,856
$4,422,072 31 Dec 2025
13F
RTW INVESTMENTS, LP
13F
Company
1.4%
372,856
$4,422,072 31 Dec 2025
13F
Remedium Capital Partners, LLC
13F
Company
2.6%
361,250
$4,284,000 31 Dec 2025
13F
PRICE T ROWE ASSOCIATES INC /MD/
13F
Company
1.2%
338,125
$4,011,000 31 Dec 2025
13F
DRIEHAUS CAPITAL MANAGEMENT LLC
13F
Company
1.1%
302,457
$3,587,140 31 Dec 2025
13F
Point72 Asset Management, L.P.
13F
Company
1.1%
300,000
$3,558,000 31 Dec 2025
13F
HEIGHTS CAPITAL MANAGEMENT, INC
13F
Company
0.96%
264,000
$3,131,040 31 Dec 2025
13F
Alyeska Investment Group, L.P.
13F
Company
0.96%
264,000
$3,108,992 31 Dec 2025
13F
Jonathan McNeill
3/4/5
President and COO
mixed-class rows
237,736
mixed-class rows
$2,408,381 15 Dec 2025
Siren, L.L.C.
3/4/5
10%+ Owner
class O/S missing
8,589,064
$2,294,139 25 Jul 2024
WELLINGTON MANAGEMENT GROUP LLP
13F
Company
0.52%
143,412
$1,626,774 31 Dec 2025
13F
Rachel K. King
3/4/5
Director
mixed-class rows
555,194
mixed-class rows
$1,545,582 01 May 2024
TWO SIGMA INVESTMENTS, LP
13F
Company
0.45%
125,224
$1,485,157 31 Dec 2025
13F
BlackRock, Inc.
13F
Company
0.4%
109,230
$1,295,468 31 Dec 2025
13F
Invus Public Equities, L.P.
3/4/5
10%+ Owner
class O/S missing
6,317,565
$1,211,077 07 Aug 2024
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
0.33%
91,079
$1,081,062 31 Dec 2025
13F
Stonepine Capital Management, LLC
13F
Company
0.32%
87,682
$1,039,909 31 Dec 2025
13F
Christopher Grant Doughty
3/4/5
Chief Business Officer
mixed-class rows
121,049
mixed-class rows
$937,885 15 Dec 2025
Blackstone Inc.
13F
Company
0.27%
75,614
$896,782 31 Dec 2025
13F
Woodline Partners LP
13F
Company
0.27%
74,000
$877,640 31 Dec 2025
13F
John L. Magnani
3/4/5
SVP of Research, CSO
class O/S missing
370,923
$875,378 11 Nov 2022
Burkehill Global Management, LP
13F
Company
0.27%
74,000
$844,340 31 Dec 2025
13F
Jefferies Financial Group Inc.
13F
Company
0.23%
64,244
$761,934 31 Dec 2025
13F
MILLENNIUM MANAGEMENT LLC
13F
Company
0.22%
61,882
$733,921 31 Dec 2025
13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP
13F
Company
0.21%
57,048
$676,589 31 Dec 2025
13F
RENAISSANCE TECHNOLOGIES LLC
13F
Company
0.17%
46,700
$553,862 31 Dec 2025
13F
TWO SIGMA ADVISERS, LP
13F
Company
0.12%
32,500
$385,450 31 Dec 2025
13F
Chinmaya Rath
3/4/5
SVP and Chief Business Officer
mixed-class rows
411,178
mixed-class rows
$380,380 12 Jan 2024
Jan Pinkas
3/4/5
Chief Scientific Officer
mixed-class rows
92,532
mixed-class rows
$339,405 15 Dec 2025

Institutional Holders of Crescent Biopharma, Inc. - Ordinary Shares, par value $0.001 per share (CBIO) as of Q1 2026

As of 31 Mar 2026, Crescent Biopharma, Inc. - Ordinary Shares, par value $0.001 per share (CBIO) was held by 3 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 835,853 shares. The largest 3 holders included Boxer Capital Management, LLC, Remedium Capital Partners, LLC, and Quadrature Capital Ltd. This page lists 3 institutional shareholders reporting positions in this security for the Q1 2026 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders
2
Q1 2026 holders
3
Holder diff
1
Investor Q4 2025 Shares Q1 2026 Shares Share Diff Share Chg % Q4 2025 Value $ Q1 2026 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
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