What does CUSIP 04746L104 represent in this 13F holders report?

CUSIP 04746L104 is the security identifier for ATHA - LeonaBio, Inc. - Common Stock, $0.0001 par value used to aggregate holder disclosures.

How many institutions held ATHA - LeonaBio, Inc. - Common Stock, $0.0001 par value in Q1 2023?

81 institutional investors reported ATHA - LeonaBio, Inc. - Common Stock, $0.0001 par value for Q1 2023. Use the holders table for investor-level position and value details.

LeonaBio, Inc. - Common Stock, $0.0001 par value (ATHA)

CUSIP: 04746L104

Q1 2023 13F Holders as of 31 Mar 2023

Type / Class: Equity / Common Stock, $0.0001 par value
Shares outstanding: 9,416,558
Total 13F shares: 23,800,339
Share change: +1,523,488
Total reported value: $59,500,190
Put/Call ratio: 23%
Price per share: $2.50
Number of holders: 81
Value change: +$2,342,756
Number of buys: 37
Number of sells: 43

Quarterly Holders Quick Answers

What is CUSIP 04746L104?
CUSIP 04746L104 identifies ATHA - LeonaBio, Inc. - Common Stock, $0.0001 par value in SEC institutional holdings data.

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Explore More Reporting Periods

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Newer quarter: Q2 2023
Previous quarter: Q4 2022

Recent filing periods for CUSIP 04746L104:

Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024

Top shareholders of ATHA - LeonaBio, Inc. - Common Stock, $0.0001 par value (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
PERCEPTIVE ADVISORS LLC	13F	Company	51%	4,797,278	$15,207,371	—	31 Dec 2022	13F
BlackRock Finance, Inc.	13F	Company	25%	2,363,221	$7,491,410	—	31 Dec 2022	13F
RA CAPITAL MANAGEMENT, L.P.	13F	Company	20%	1,881,300	$5,963,721	—	31 Dec 2022	13F
BAKER BROS. ADVISORS LP	13F	Company	20%	1,879,836	$5,959,080	—	31 Dec 2022	13F
VANGUARD GROUP INC	13F	Company	20%	1,837,933	$5,826,248	—	31 Dec 2022	13F
PATHSTONE FAMILY OFFICE, LLC	13F	Company	19%	1,815,540	$4,091,325	—	31 Dec 2022	13F
STATE STREET CORP	13F	Company	8.3%	779,013	$2,469,471	—	31 Dec 2022	13F
BML Capital Management, LLC	13F	Company	7.6%	714,763	$2,265,799	—	31 Dec 2022	13F
Bristlecone Advisors, LLC	13F	Company	7.4%	696,629	$2,208,314	—	31 Dec 2022	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	6.4%	602,553	$1,910,000	—	31 Dec 2022	13F
CITADEL ADVISORS LLC	13F	Company	6.2%	583,869	$1,850,865	—	31 Dec 2022	13F
TANG CAPITAL MANAGEMENT LLC	13F	Company	5.2%	485,234	$1,538,192	—	31 Dec 2022	13F
BANK OF AMERICA CORP /DE/	13F	Company	5%	469,165	$1,487,253	—	31 Dec 2022	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	3.6%	340,337	$1,078,868	—	31 Dec 2022	13F
TWO SIGMA ADVISERS, LP	13F	Company	3.5%	332,100	$1,052,757	—	31 Dec 2022	13F
NORTHERN TRUST CORP	13F	Company	2.9%	274,652	$870,647	—	31 Dec 2022	13F
GSA CAPITAL PARTNERS LLP	13F	Company	2.9%	270,989	$859,000	—	31 Dec 2022	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	2.7%	252,697	$801,050	—	31 Dec 2022	13F
Nuveen Asset Management, LLC	13F	Company	0.98%	92,289	$780,000	—	31 Dec 2022	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	2.2%	208,200	$659,994	—	31 Dec 2022	13F
BARCLAYS PLC	13F	Company	2.2%	208,089	$659,643	—	31 Dec 2022	13F
GOLDMAN SACHS GROUP INC	13F	Company	1.8%	170,004	$538,912	—	31 Dec 2022	13F
MORGAN STANLEY	13F	Company	1.7%	155,881	$494,144	—	31 Dec 2022	13F
D. E. Shaw & Co., Inc.	13F	Company	1.6%	152,144	$482,297	—	31 Dec 2022	13F
OSAIC HOLDINGS, INC.	13F	Company	1.6%	146,569	$464,061	—	31 Dec 2022	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	1.4%	132,494	$417,000	—	31 Dec 2022	13F
Laird Norton Wetherby Trust Company, LLC	13F	Company	1.4%	130,000	$412,100	—	31 Dec 2022	13F
PANAGORA ASSET MANAGEMENT INC	13F	Company	1.2%	113,652	$360,277	—	31 Dec 2022	13F
Bank of New York Mellon Corp	13F	Company	1.2%	112,070	$355,262	—	31 Dec 2022	13F
UBS Group AG	13F	Company	1.1%	102,844	$326,016	—	31 Dec 2022	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.94%	88,802	$281,502	—	31 Dec 2022	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.87%	82,100	$260,000	—	31 Dec 2022	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.87%	81,900	$259,623	—	31 Dec 2022	13F
Potomac Capital Management, Inc.	13F	Company	0.85%	80,000	$254,000	—	31 Dec 2022	13F
PURA VIDA INVESTMENTS, LLC	13F	Company	0.83%	77,700	$246,309	—	31 Dec 2022	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.81%	76,384	$242,137	—	31 Dec 2022	13F
PRELUDE CAPITAL MANAGEMENT, LLC	13F	Company	0.67%	62,722	$198,829	—	31 Dec 2022	13F
RHUMBLINE ADVISERS	13F	Company	0.55%	52,254	$166,000	—	31 Dec 2022	13F
BAILARD, INC.	13F	Company	0.48%	45,094	$142,948	—	31 Dec 2022	13F
OCCUDO QUANTITATIVE STRATEGIES LP	13F	Company	0.44%	40,987	$129,929	—	31 Dec 2022	13F
MARTINGALE ASSET MANAGEMENT L P	13F	Company	0.43%	40,107	$127,140	—	31 Dec 2022	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.39%	36,426	$115,000	—	31 Dec 2022	13F
BLAIR WILLIAM & CO/IL	13F	Company	0.38%	36,045	$114,263	—	31 Dec 2022	13F
ALGERT GLOBAL LLC	13F	Company	0.37%	35,190	$112,000	—	31 Dec 2022	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.37%	34,547	$110,000	—	31 Dec 2022	13F
Cubist Systematic Strategies, LLC	13F	Company	0.37%	34,514	$109,409	—	31 Dec 2022	13F
STIFEL FINANCIAL CORP	13F	Company	0.36%	34,025	$107,861	—	31 Dec 2022	13F
EASTERLY INVESTMENT PARTNERS LLC	13F	Company	0.36%	33,501	$106,198	—	31 Dec 2022	13F
Clarius Group, LLC	13F	Company	0.35%	32,825	$104,000	—	31 Dec 2022	13F
ROTHSCHILD INVESTMENT LLC /IL	13F	Company	0.33%	31,100	$99,000	—	31 Dec 2022	13F

Institutional Holders of LeonaBio, Inc. - Common Stock, $0.0001 par value (ATHA) as of Q1 2023

As of 31 Mar 2023, LeonaBio, Inc. - Common Stock, $0.0001 par value (ATHA) was held by 81 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 23,800,339 shares. The largest 10 holders included PERCEPTIVE ADVISORS LLC, BAKER BROS. ADVISORS LP, BlackRock Inc., BML Capital Management, LLC, VANGUARD GROUP INC, Simplify Asset Management Inc., STATE STREET CORP, GEODE CAPITAL MANAGEMENT, LLC, MILLENNIUM MANAGEMENT LLC, and CITADEL ADVISORS LLC. This page lists 81 institutional shareholders reporting positions in this security for the Q1 2023 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2023 vs Q4 2022 Across Filers

Q4 2022 holders

Q1 2023 holders

Holder diff

-11

Investor	Q4 2022 Shares	Q1 2023 Shares	Share Diff	Share Chg %	Q4 2022 Value $	Q1 2023 Value $	Value Diff $	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.