Type / Class
Equity / Common Stock, par value $0.001 per shares (the "Shares")
Shares outstanding
15,738,333
Total 13F shares
3,148,479
Share change
-27,160
Total reported value
$57,049,319
Price per share
$18.12
Number of holders
33
Value change
+$415,033
Number of buys
12
Number of sells
16

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.

Need full ownership history?
Open the full security ownership history page.

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.
13F
Company
14%
2,209,471
$21,122,543 31 Mar 2025
13F
Alexander Schornstein
3/4/5
10%+ Owner
class O/S missing
728,113
$10,812,478 22 Nov 2024
VANGUARD GROUP INC
13F
Company
1.4%
215,983
$2,064,797 31 Mar 2025
13F
B Group, Inc.
13F
Company
1.3%
200,000
$1,912,000 31 Mar 2025
13F
RENAISSANCE TECHNOLOGIES LLC
13F
Company
0.72%
113,311
$1,083,253 31 Mar 2025
13F
BlackRock, Inc.
13F
Company
0.5%
78,988
$755,125 31 Mar 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
0.3%
47,703
$456,174 31 Mar 2025
13F
MONIMUS CAPITAL MANAGEMENT, LP
13F
Company
0.27%
42,067
$402,161 31 Mar 2025
13F
NORTHERN TRUST CORP
13F
Company
0.18%
28,323
$270,768 31 Mar 2025
13F
FEDERATED HERMES, INC.
13F
Company
0.16%
25,394
$242,767 31 Mar 2025
13F
ARMISTICE CAPITAL, LLC
13F
Company
0.15%
23,858
$228,082 31 Mar 2025
13F
ACADIAN ASSET MANAGEMENT LLC
13F
Company
0.15%
23,027
$219,000 31 Mar 2025
13F
Squarepoint Ops LLC
13F
Company
0.12%
18,982
$181,468 31 Mar 2025
13F
John G. McHutchison
3/4/5
Director
mixed-class rows
21,847
mixed-class rows
$180,683 05 Jun 2025
MARSHALL WACE, LLP
13F
Company
0.11%
18,040
$172,462 31 Mar 2025
13F
Palumbo Wealth Management LLC
13F
Company
0.11%
17,986
$171,947 31 Mar 2025
13F
Man Group plc
13F
Company
0.11%
17,952
$171,621 31 Mar 2025
13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP
13F
Company
0.11%
17,414
$166,478 31 Mar 2025
13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC
13F
Company
0.1%
15,225
$145,551 31 Mar 2025
13F
STATE STREET CORP
13F
Company
0.09%
14,009
$133,926 31 Mar 2025
13F
CITADEL ADVISORS LLC
13F
Company
0.08%
12,258
$117,186 31 Mar 2025
13F
AMERICAN CENTURY COMPANIES INC
13F
Company
0.07%
11,799
$112,798 31 Mar 2025
13F
Connor, Clark & Lunn Investment Management Ltd.
13F
Company
0.06%
10,182
$97,340 31 Mar 2025
13F
Michael P. Samar
3/4/5
Chief Financial Officer
class O/S missing
77,228
$61,782 25 Jul 2022
FMR LLC
13F
Company
0.04%
5,659
$54,100 31 Mar 2025
13F
Michael Houghton
3/4/5
Director
mixed-class rows
6,702
mixed-class rows
$49,998 05 Jun 2025
BARCLAYS PLC
13F
Company
0.02%
3,431
$32,800 31 Mar 2025
13F
Luisa M. Stamm
3/4/5
Chief Medical Officer
mixed-class rows
152,815
mixed-class rows
$32,252 29 Mar 2022
MORGAN STANLEY
13F
Company
0.01%
2,300
$21,988 31 Mar 2025
13F
UBS Group AG
13F
Company
0%
767
$7,333 31 Mar 2025
13F
Tower Research Capital LLC (TRC)
13F
Company
0%
361
$3,451 31 Mar 2025
13F
BNP PARIBAS FINANCIAL MARKETS
13F
Company
0%
302
$2,887 31 Mar 2025
13F
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO
13F
Company
0%
260
$2,486 31 Mar 2025
13F
RHUMBLINE ADVISERS
13F
Company
0%
190
$1,816 31 Mar 2025
13F
WELLS FARGO & COMPANY/MN
13F
Company
0%
145
$1,386 31 Mar 2025
13F
AMERIFLEX GROUP, INC.
13F
Company
0%
83
$793 31 Mar 2025
13F
SBI Securities Co., Ltd.
13F
Company
0%
67
$641 31 Mar 2025
13F
EverSource Wealth Advisors, LLC
13F
Company
0%
55
$526 31 Mar 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0%
39
$373 31 Mar 2025
13F
JPMORGAN CHASE & CO
13F
Company
0%
7
$67 31 Mar 2025
13F
Frazier Financial Advisors, LLC
13F
Company
0%
1
$10 31 Mar 2025
13F
Richard D. DiMarchi
3/4/5
Director
class O/S missing
20,000
25 May 2022
Myron Z. Holubiak
3/4/5
Director
class O/S missing
15,000
20 May 2021
Anthony E. Altig
3/4/5
Director
class O/S missing
3,500
05 Jun 2025
Gina Consylman
3/4/5
Director
class O/S missing
3,500
05 Jun 2025
Lisa Johnson-Pratt
3/4/5
Director
class O/S missing
3,500
05 Jun 2025
Susan Mahony
3/4/5
Director
class O/S missing
3,500
05 Jun 2025
William R. Ringo
3/4/5
Director
class O/S missing
3,500
05 Jun 2025

Institutional Holders of ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 per shares (the "Shares") (ASMB) as of Q2 2025

As of 30 Jun 2025, ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 per shares (the "Shares") (ASMB) was held by 33 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 3,148,479 shares. The largest 10 holders included GILEAD SCIENCES, INC., VANGUARD GROUP INC, B Group, Inc., RENAISSANCE TECHNOLOGIES LLC, BlackRock, Inc., GEODE CAPITAL MANAGEMENT, LLC, MONIMUS CAPITAL MANAGEMENT, LP, CITADEL ADVISORS LLC, NORTHERN TRUST CORP, and FEDERATED HERMES, INC.. This page lists 33 institutional shareholders reporting positions in this security for the Q2 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q2 2025 vs Q1 2025 Across Filers

Q1 2025 holders
36
Q2 2025 holders
33
Holder diff
-3
Investor Q1 2025 Shares Q2 2025 Shares Share Diff Share Chg % Q1 2025 Value $ Q2 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.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .