RA CAPITAL MANAGEMENT, L.P. - 04 Nov 2025 SCHEDULE 13G Report for BioCryst Pharmaceuticals, Inc. Common Stock, $0.01 par value per share (BCRX)

Filing Manager: RA CAPITAL MANAGEMENT, L.P.
Reporting Manager: RA Capital Management, L.P.
Security: BioCryst Pharmaceuticals, Inc. Common Stock, $0.01 par value per share
Symbol: BCRX
Shares outstanding: 209,618,986 shares
Disclosed Ownership: 15,302,186 shares
Ownership: 7.3%
Form type: SCHEDULE 13G
Filing time: 12 Nov 2025, 20:27:03 UTC
Date of event: 04 Nov 2025
SEC: View on sec.gov

Key filing fact

RA CAPITAL MANAGEMENT, L.P. disclosed 7.3% ownership in BioCryst Pharmaceuticals, Inc. Common Stock, $0.01 par value per share (BCRX) on 04 Nov 2025.

Key facts

RA CAPITAL MANAGEMENT, L.P. filed SCHEDULE 13G for BioCryst Pharmaceuticals, Inc. Common Stock, $0.01 par value per share (BCRX).
Disclosed ownership: 7.3%.
Date of event: 04 Nov 2025.

This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
You can verify ownership claims directly against the original SEC filing.

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

Reporting persons

Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name	Ownership	Shares Owned	shared voting power	Signature	Title
RA Capital Management, L.P.	7.3%	15,302,186	15,302,186	/s/ Peter Kolchinsky	By Peter Kolchinsky, Authorized Signatory
Peter Kolchinsky	7.3%	15,302,186	15,302,186	/s/ Peter Kolchinsky	Peter Kolchinsky
Rajeev Shah	7.3%	15,302,186	15,302,186	/s/ Rajeev Shah	Rajeev Shah
RA Capital Healthcare Fund, L.P.	7.3%	15,302,186	15,302,186	/s/ Peter Kolchinsky	By RA Capital Healthcare Fund GP, LLC, its General Partner, By Peter Kolchinsky, Manager

CIK / CUSIP context first

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