Avadel Pharmaceuticals plc - American Depositary Shares, each representing one Ordinary Share, nominal value $0.01 per share (AVDL)

Q: What does CUSIP 05337M104 represent in this 13F holders report?

CUSIP 05337M104 is the security identifier for AVDL - Avadel Pharmaceuticals plc - American Depositary Shares, each representing one Ordinary Share, nominal value $0.01 per share used to aggregate holder disclosures.

Q: How many institutions held AVDL - Avadel Pharmaceuticals plc - American Depositary Shares, each representing one Ordinary Share, nominal value $0.01 per share in Q1 2023?

89 institutional investors reported AVDL - Avadel Pharmaceuticals plc - American Depositary Shares, each representing one Ordinary Share, nominal value $0.01 per share for Q1 2023. Use the holders table for investor-level position and value details.

CUSIP: 05337M104

Q1 2023 13F Holders as of 31 Mar 2023

Security type / class: Equity / American Depositary Shares, each representing one Ordinary Share, nominal value $0.01 per share
Total 13F shares: 48,372,275
Total 13F value: $443,043,185
Share change: +14,936,280
Put/Call ratio: 33%
SEC-reported price per share: $9.16
Number of holders: 89
Value change: +$137,759,207
Number of buys: 51
Number of sells: 27
Shares outstanding: 98,762,388

Security key

05337M104

Report period

Q1 2023

Institutions

Top holders

AVDL full security history Ownership snapshot Full 13F holder table Newer quarter: Q4 2025 AVADEL PHARMACEUTICALS PLC SEC filings AVADEL PHARMACEUTICALS PLC company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 05337M104

Newer quarter: Q4 2025

Recent filing periods:

Q2 2026 Q1 2026 Q4 2025

Ownership snapshot

Top reported holders of AVDL - Avadel Pharmaceuticals plc - American Depositary Shares, each representing one Ordinary Share, nominal value $0.01 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

RTW INVESTMENTS, LP

Disclosed value leader

RTW INVESTMENTS, LP

Comparable rows

0/15

Latest evidence

31 Dec 2022

13F Highest disclosed value: $41,112,283 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

RTW INVESTMENTS, LP has the largest disclosed position value at $41.11M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens RTW INVESTMENTS, LP's linked filing trail.

Disclosed position value Top 5

RTW INVESTMENTS, LP $41.11M

Jeffrey L. Gendell $36.66M

COWEN AND COMPANY, LLC $26.73M

Polar Capital Holdings Plc $20.14M

Vivo Capital, LLC $19.72M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
RTW INVESTMENTS, LP	13F Company 13F	— denominator unverified	$41,112,283 5,741,939 shares	—	31 Dec 2022
Jeffrey L. Gendell	13F Individual 13F	— denominator unverified	$36,663,532 5,120,605 shares	—	31 Dec 2022
COWEN AND COMPANY, LLC	13F Company 13F	— denominator unverified	$26,726,690 3,732,778 shares	—	31 Dec 2022
Polar Capital Holdings Plc	13F Company 13F	— denominator unverified	$20,137,428 2,812,490 shares	—	31 Dec 2022
Vivo Capital, LLC	13F Company 13F	— denominator unverified	$19,719,000 2,754,095 shares	—	31 Dec 2022
WEALTH EFFECTS LLC	13F Company 13F	— denominator unverified	$18,006,720 2,514,905 shares	—	31 Dec 2022

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

48,372,275

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2023 vs Q1 2026 Across Filers

Q1 2026 holders

Q1 2023 holders

Holder diff

Investor	Q1 2026 Shares	Q1 2023 Shares	Share Diff	Share Chg %	Q1 2026 value	Q1 2023 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend