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Super Investors Athyrium Capital Management, LP
AC

Athyrium Capital Management, LP

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$8.69M
Positions
2
Quarter ended
September 30, 2024
Filed
November 12, 2024

Reported portfolio value by quarter (24 quarters reported)

$281M $5.07M
Q4 17 Q1 19 Q2 21 Q3 22 Q4 23 Q3 24

$169M in Q4 2017 → $8.69M now. Hover for any quarter.

Holdings

As reported for the quarter ended September 30, 2024. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Biora Therapeutics Inc. 63.1% Unchanged 10,929,762 $5.48M
Puma Biotechnology Inc 36.9% Unchanged 1,256,411 $3.2M

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q3 2024

quarter ended September 30, 2024 · filed November 12, 2024

Company Action Shares changed Value of change % of portfolio
CB Coherus Biosciences Inc Exited −30,000,000 −$22.2M —

Q2 2024

quarter ended June 30, 2024 · filed August 08, 2024

Company Action Shares changed Value of change % of portfolio
Omeros Corp Exited −72,979,000 −$54.1M —
CB Coherus Biosciences Inc New +30,000,000 +$22.2M 66.3%

Q1 2024

quarter ended March 31, 2024 · filed May 16, 2024

Company Action Shares changed Value of change % of portfolio
Puma Biotechnology Inc Trimmed −535,703 −$2.84M 9.1%

Q4 2023

quarter ended December 31, 2023 · filed February 14, 2024

Company Action Shares changed Value of change % of portfolio
B Biora Inc. Exited −53,500,000 −$28M —
Omeros Corp Exited −11,005,000 −$11.3M —
Rvl Pharmaceuticals PLC Exited −14,600,444 −$1.26M —

Q3 2023

quarter ended September 30, 2023 · filed November 14, 2023

Company Action Shares changed Value of change % of portfolio
B Biora Inc. Trimmed −50,000,000 −$26.1M 24.6%
B Biora Inc. Added +9,235,281 +$20M 20.9%
PP Paratek Pharmaceuticals Inc. Exited −9,000,000 −$8.85M —
Omeros Corp Added +1,000,000 +$612K 39.3%

Q2 2023

quarter ended June 30, 2023 · filed August 14, 2023

Company Action Shares changed Value of change % of portfolio
AP Amryt Pharma PLC Exited −8,857,268 −$129M —
Omeros Corp Added +6,843,000 +$5.02M 34.2%

Q1 2023

quarter ended March 31, 2023 · filed May 16, 2023

Company Action Shares changed Value of change % of portfolio
Caremax Inc Exited −4,467,219 −$16.3M —
Omeros Corp Trimmed −10,000,000 −$10.1M 4.0%
Bridgebio Pharma Inc. Exited −20,000,000 −$7.75M —
B Biora Inc. Exited −42,362,097 −$5.58M —
Omeros Corp Added +7,005,000 +$5M 16.7%
B Biora Inc. New +1,694,481 +$4.69M 1.7%
Societal Cdmo Inc. Exited −2,202,420 −$3.28M —

Q4 2022

quarter ended December 31, 2022 · filed February 14, 2023

Company Action Shares changed Value of change % of portfolio
Omeros Corp Added +17,981,000 +$9.81M 13.3%
B Biora Inc. Added +12,506,250 +$1.65M 2.3%

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