BIOTECHNOLOGY VALUE FUND L P - 05 Aug 2025 SCHEDULE 13D/A Report for ESSA Pharma Inc. Common Shares (EPIX)

Filing Manager
BIOTECHNOLOGY VALUE FUND L P
Reporting Manager
BVF PARTNERS L P/IL
Security
ESSA Pharma Inc. Common Shares
Symbol
EPIX
Shares outstanding
47,240,781 shares
Disclosed Ownership
11,668,473 shares
Ownership
25%
Form type
SCHEDULE 13D/A
Filing time
07 Aug 2025, 16:31:00 UTC
Date of event
05 Aug 2025
Previous filing
09 Apr 2025
Next filing
14 Oct 2025
SEC
View on sec.gov

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Quoteable Key Fact

"BIOTECHNOLOGY VALUE FUND L P disclosed 25% ownership in ESSA Pharma Inc. Common Shares (EPIX) on 05 Aug 2025."

Quick Takeaways

  • BIOTECHNOLOGY VALUE FUND L P filed SCHEDULE 13D/A for ESSA Pharma Inc. Common Shares (EPIX).
  • Disclosed ownership: 25%.
  • Date of event: 05 Aug 2025.

What Changed

  • Previous schedule filing date: 09 Apr 2025.
  • Current filing was accepted on 07 Aug 2025, 16:31.

Why This Matters

  • 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.

Official SEC Source

Backed by Schedule 13D/13G

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

See Original Filing

Reporting Managers (10)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
BIOTECHNOLOGY VALUE FUND L P 13% 6,194,145 0 6,194,145 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0000918923
BVF I GP LLC 13% 6,194,145 0 6,194,145 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001803805
BIOTECHNOLOGY VALUE FUND II LP 10% 4,726,743 0 4,726,743 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001102444
BVF II GP LLC 10% 4,726,743 0 4,726,743 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001803806
Biotechnology Value Trading Fund OS LP 1.2% 560,797 0 560,797 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001660683
BVF Partners OS Ltd. 1.2% 560,797 0 560,797 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001660684
BVF GP HOLDINGS LLC 23% 10,920,888 0 10,920,888 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001803809
BVF PARTNERS L P/IL 25% 11,668,473 0 11,668,473 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001055947
BVF INC/IL 25% 11,668,473 0 11,668,473 /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001056807
LAMPERT MARK N 25% 11,668,473 0 11,668,473 /s/ Mark N. Lampert Mark N. Lampert 0001233840

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