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ATHYRIUM CAPITAL MANAGEMENT, LP

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NEW YORK NY Investment Advisor Hedge Fund
13F Summary
Athyrium Capital Management is based out of New York. Athyrium Capital Management is a hedge fund with 13 clients and discretionary assets under management (AUM) of $3,560,043,000 (Form ADV from 2023-04-13). Their last reported 13F filing for Q4 2023 included $68,826,290 in managed 13F securities and a top 10 holdings concentration of 100.0%. Athyrium Capital Management's largest holding is OMEROS CORP NOTE 5.250% 2/1 with shares held of 72,979,000. Whalewisdom has at least 22 13F filings, 4 13D filings, and 3 Form 4 filings

2023-12-31

Top Buys (13F)

Name % Change

2023-12-31

Top Sells (13F)

Name % Change
DEBT-PROG PROGENITY INC NOTE 7 (PRN) 24.62%
OMER Omeros Corp (PRN) 9.91%
RVLPQ RVL Pharmaceuticals 1.11%

2023-12-31

13F Holdings Summary

Name $ Change
DEBT-OMER OMEROS CORP NOTE 5.2 67.29%
BIOR Biora Therapeutics I 21.44%
PBYI Puma Biotechnology I 11.27%

2023-12-31

13F Activity

Market Value $68.8m, Prior: $114m
New Purchases 0 stocks
Added To 0 stocks
Sold out of 3 stocks
Reduced holdings in 0 stocks
Top 10 Holdings % 100%
Turnover %[1] 100%
Turnover Alt %[2] 0%
Time Held Top 20 8.6667 quarters
Time Held Top 10 8.6667 quarters
Time Held All 8.67 quarters

[1]: Turnover is calculated by taking the # of new holdings (initial purchases) + the # of positions sold out of (not just reduced) divided by the total # of holdings for the quarter.

[2]: Alt Turnover is calculated by taking either the total MV of new purchases or the MV of securities sold, whichever is less, divided by the total MV of the fund.

2023-12-31

13F Sector Allocation Over Time

2023-12-31

Analysis

Top 20 equal-weighted holdings. Performance numbers calculated through 2023-12-31

Portfolio Performance