ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 per shares (the "Shares") (ASMB)

Q: What does CUSIP 045396207 represent in this 13F holders report?

CUSIP 045396207 is the security identifier for ASMB - ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 per shares (the "Shares") used to aggregate holder disclosures.

Q: How many institutions held ASMB - ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 per shares (the "Shares") in Q3 2025?

56 institutional investors reported ASMB - ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 per shares (the "Shares") for Q3 2025. Use the holders table for investor-level position and value details.

CUSIP: 045396207

Q3 2025 13F Holders as of 30 Sep 2025

Type / Class: Equity / Common Stock, par value $0.001 per shares (the "Shares")
Shares outstanding: 15,738,333
Total 13F shares: 12,244,439
Share change: +9,096,204
Total reported value: $313,500,808
Price per share: $25.60
Number of holders: 56
Value change: +$233,088,276
Number of buys: 45
Number of sells: 9

Quarterly Holders Quick Answers

What is CUSIP 045396207?
CUSIP 045396207 identifies ASMB - ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 per shares (the "Shares") in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q4 2025
Previous quarter: Q2 2025

Recent filing periods for CUSIP 045396207:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of ASMB - ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 per shares (the "Shares") (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
GILEAD SCIENCES, INC.	3/4/5 13D/G 13F	10%+ Owner · Company	29% from 13D/G	6,801,311 mixed-class rows	$100,290,003	—	08 Aug 2025	3/4/5 13D/G 13F
Commodore Capital LP	13D/G	—	9.9%	1,615,981	$29,281,576	$0	08 Aug 2025	13D/G
RA CAPITAL MANAGEMENT, L.P.	13D/G	—	9.5%	1,530,615	$28,392,908	$0	11 Aug 2025	13D/G
Alexander Schornstein	3/4/5 13D/G	10%+ Owner	3.5% from 13D/G	728,113	$10,812,478	—	22 Nov 2024	3/4/5 13D/G
VANGUARD GROUP INC	13F	Company	1.6%	253,825	$4,599,309	—	30 Jun 2025	13F
B Group, Inc.	13F	Company	1.2%	189,350	$3,431,022	—	30 Jun 2025	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.68%	107,521	$1,948,281	—	30 Jun 2025	13F
BlackRock, Inc.	13F	Company	0.57%	89,672	$1,624,858	—	30 Jun 2025	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.32%	51,015	$924,601	—	30 Jun 2025	13F
MONIMUS CAPITAL MANAGEMENT, LP	13F	Company	0.27%	42,067	$762,254	—	30 Jun 2025	13F
CITADEL ADVISORS LLC	13F	Company	0.23%	35,725	$647,337	—	30 Jun 2025	13F
NORTHERN TRUST CORP	13F	Company	0.18%	28,075	$508,719	—	30 Jun 2025	13F
FEDERATED HERMES, INC.	13F	Company	0.16%	25,394	$460,139	—	30 Jun 2025	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	0.13%	20,421	$369,000	—	30 Jun 2025	13F
Palumbo Wealth Management LLC	13F	Company	0.12%	18,667	$338,247	—	30 Jun 2025	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.1%	15,225	$275,877	—	30 Jun 2025	13F
GSA CAPITAL PARTNERS LLP	13F	Company	0.09%	14,840	$269,000	—	30 Jun 2025	13F
STATE STREET CORP	13F	Company	0.09%	14,009	$253,843	—	30 Jun 2025	13F
Man Group plc	13F	Company	0.08%	13,227	$239,673	—	30 Jun 2025	13F
Lynx1 Capital Management LP	13F	Company	0.07%	10,366	$187,832	—	30 Jun 2025	13F
John G. McHutchison	3/4/5	Director	— mixed-class rows	21,847 mixed-class rows	$180,683	—	05 Jun 2025	3/4/5
Michael P. Samar	3/4/5	Chief Financial Officer	— class O/S missing	77,228	$61,782	—	25 Jul 2022	3/4/5
UBS Group AG	13F	Company	0.02%	2,933	$53,146	—	30 Jun 2025	13F
BARCLAYS PLC	13F	Company	0.02%	2,779	$50,355	—	30 Jun 2025	13F
Michael Houghton	3/4/5	Director	— mixed-class rows	6,702 mixed-class rows	$49,998	—	05 Jun 2025	3/4/5
MORGAN STANLEY	13F	Company	0.01%	2,149	$38,940	—	30 Jun 2025	13F
Luisa M. Stamm	3/4/5	Chief Medical Officer	— mixed-class rows	152,815 mixed-class rows	$32,252	—	29 Mar 2022	3/4/5
BNP PARIBAS FINANCIAL MARKETS	13F	Company	0%	302	$5,472	—	30 Jun 2025	13F
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO	13F	Company	0%	260	$4,711	—	30 Jun 2025	13F
RAYMOND JAMES FINANCIAL INC	13F	Company	0%	250	$4,530	—	30 Jun 2025	13F
Tower Research Capital LLC (TRC)	13F	Company	0%	250	$4,530	—	30 Jun 2025	13F
RHUMBLINE ADVISERS	13F	Company	0%	190	$3,442	—	30 Jun 2025	13F
WELLS FARGO & COMPANY/MN	13F	Company	0%	145	$2,627	—	30 Jun 2025	13F
AMERIFLEX GROUP, INC.	13F	Company	0%	83	$1,418	—	30 Jun 2025	13F
SBI Securities Co., Ltd.	13F	Company	0%	67	$1,214	—	30 Jun 2025	13F
ROYAL BANK OF CANADA	13F	Company	0%	53	$1,000	—	30 Jun 2025	13F
EverSource Wealth Advisors, LLC	13F	Company	0%	55	$997	—	30 Jun 2025	13F
BANK OF AMERICA CORP /DE/	13F	Company	0%	52	$942	—	30 Jun 2025	13F
Caitong International Asset Management Co., Ltd	13F	Company	0%	34	$616	—	30 Jun 2025	13F
JPMORGAN CHASE & CO	13F	Company	0%	7	$127	—	30 Jun 2025	13F
Richard D. DiMarchi	3/4/5	Director	— class O/S missing	20,000	—	—	25 May 2022	3/4/5
Myron Z. Holubiak	3/4/5	Director	— class O/S missing	15,000	—	—	20 May 2021	3/4/5
Anthony E. Altig	3/4/5	Director	— class O/S missing	3,500	—	—	05 Jun 2025	3/4/5
Gina Consylman	3/4/5	Director	— class O/S missing	3,500	—	—	05 Jun 2025	3/4/5
Lisa Johnson-Pratt	3/4/5	Director	— class O/S missing	3,500	—	—	05 Jun 2025	3/4/5
Susan Mahony	3/4/5	Director	— class O/S missing	3,500	—	—	05 Jun 2025	3/4/5
William R. Ringo	3/4/5	Director	— class O/S missing	3,500	—	—	05 Jun 2025	3/4/5

Institutional Holders of ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 per shares (the "Shares") (ASMB) as of Q3 2025

As of 30 Sep 2025, ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 per shares (the "Shares") (ASMB) was held by 56 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 12,244,439 shares. The largest 10 holders included GILEAD SCIENCES, INC., FARALLON CAPITAL MANAGEMENT LLC, RA CAPITAL MANAGEMENT, L.P., Commodore Capital LP, JANUS HENDERSON GROUP PLC, VANGUARD GROUP INC, Frazier Life Sciences Management, L.P., Blackstone Inc., Point72 Asset Management, L.P., and Parkman Healthcare Partners LLC. This page lists 56 institutional shareholders reporting positions in this security for the Q3 2025 filing period.

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

Compare Q3 2025 vs Q2 2025 Across Filers

Q2 2025 holders

Q3 2025 holders

Holder diff

Investor	Q2 2025 Shares	Q3 2025 Shares	Share Diff	Share Chg %	Q2 2025 Value $	Q3 2025 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.