CRESCENT BIOPHARMA INC. (CBIO) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-05-15
4:15 pm
Purchase
2026-03-3113GCRESCENT BIOPHARMA, INC
CBIO
TANG CAPITAL MANAGEMENT, LLC1,160,000
4.210%
460,000increase
(+65.71%)
Filing
History
2026-05-15
06:31 am
Purchase
2026-03-3113GCRESCENT BIOPHARMA, INC
CBIO
Balyasny Asset Management L.P.1,510,033
5.480%
1,510,033increase
(New Position)
Filing
History
2026-02-17
6:05 pm
Purchase
2025-12-3113GCRESCENT BIOPHARMA, INC
CBIO
Venrock Healthcare Capital Partners III, L.P.2,666,064
9.500%
1,274,868increase
(+91.64%)
Filing
History
2026-02-17
4:06 pm
Purchase
2025-12-3113GCRESCENT BIOPHARMA, INC
CBIO
Vestal Point Capital, LP1,500,000
5.400%
1,500,000increase
(New Position)
Filing
History
2026-02-05
1:20 pm
Purchase
2025-12-3113GCRESCENT BIOPHARMA, INC
CBIO
FMR LLC4,133,514
15.000%
2,719,324increase
(+192.29%)
Filing
History
2025-12-11
4:00 pm
Purchase
2025-12-0813GCRESCENT BIOPHARMA, INC
CBIO
ForGrowth III PA B.V.1,677,852
6.100%
1,677,852increase
(New Position)
Filing
History
2025-12-08
4:30 pm
Purchase
2025-12-0413DCRESCENT BIOPHARMA, INC
CBIO
Fairmount Funds Management LLC5,643,482
18.530%
2,519,262increase
(+80.64%)
Filing
History
2025-10-14
3:41 pm
Purchase
2025-10-0713GCRESCENT BIOPHARMA, INC
CBIO
1Globe Capital LLC1,425,432
10.300%
528,720increase
(+58.96%)
Filing
History
2025-10-09
4:15 pm
Purchase
2025-10-0213GCRESCENT BIOPHARMA, INC
CBIO
TANG CAPITAL MANAGEMENT, LLC700,000
5.040%
700,000increase
(New Position)
Filing
History
2025-08-20
5:20 pm
Purchase
2025-08-1313GCRESCENT BIOPHARMA, INC
CBIO
1Globe Capital LLC896,712
6.450%
896,712increase
(New Position)
Filing
History
2025-08-14
4:01 pm
Purchase
2025-06-3013GCRESCENT BIOPHARMA, INC
CBIO
BIOTECHNOLOGY VALUE FUND L P1,387,863
9.990%
1,292,420increase
(+1354.13%)
Filing
History
2025-08-14
2:24 pm
Purchase
2025-06-3013GCRESCENT BIOPHARMA, INC
CBIO
Logos Global Management LP575,000
4.100%
525,000increase
(+1050.00%)
Filing
History
2025-07-08
09:07 am
Purchase
2025-06-3013GCRESCENT BIOPHARMA, INC
CBIO
FMR LLC1,414,190
10.200%
1,396,091increase
(+7713.64%)
Filing
History
2025-06-23
6:32 pm
Purchase
2025-06-1313DCRESCENT BIOPHARMA, INC
CBIO
Fairmount Funds Management LLC3,124,220
19.990%
3,124,220increase
(New Position)
Filing
History
2025-06-23
4:30 pm
Purchase
2025-06-1313GCRESCENT BIOPHARMA, INC
CBIO
Venrock Healthcare Capital Partners III, L.P.1,391,196
9.900%
1,391,196increase
(New Position)
Filing
History
2025-06-20
4:05 pm
Unchanged
2025-06-2013DCRESCENT BIOPHARMA, INC
CBIO
Adage Capital Management, L.P.50,912
0.370%
0
(Unchanged)
Filing
History
2025-02-14
6:38 pm
Sale
2024-12-3113GGLYCOMIMETICS INC
GLYC
RA CAPITAL MANAGEMENT L.P.0
0.000%
-63,830decrease
(Position Closed)
Filing
History
2024-11-27
2:22 pm
Purchase
2024-11-2513GGLYCOMIMETICS INC
GLYC
Logos Global Management LP50,000
7.800%
50,000increase
(New Position)
Filing
History
2024-11-12
4:30 pm
Sale
2024-09-3013GGLYCOMIMETICS INC
GLYC
Invus Public Equities, L.P.19,651
3.000%
-33,234decrease
(-62.84%)
Filing
History
2024-11-06
5:41 pm
Purchase
2024-10-3013GGLYCOMIMETICS INC
GLYC
RA CAPITAL MANAGEMENT L.P.63,830
9.900%
63,830increase
(New Position)
Filing
History
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