ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 per shares (the "Shares") (ASMB)
CUSIP: 045396207
Q4 2025 13F Holders as of 31 Dec 2025
- Type / Class
- Equity / Common Stock, par value $0.001 per shares (the "Shares")
- Shares outstanding
- 15,738,333
- Total 13F shares
- 13,724,214
- Share change
- +1,211,715
- Total reported value
- $466,681,283
- Price per share
- $34.01
- Number of holders
- 69
- Value change
- +$45,981,788
- Number of buys
- 44
- Number of sells
- 19
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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Recent filing periods for CUSIP 045396207:
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
13D/G
3/4/5
|
Company · 10%+ Owner |
29%
from 13D/G
|
4,505,391
|
$115,338,010 | — | 30 Sep 2025 | |
| JANUS HENDERSON GROUP PLC |
13D/G
13F
|
Company |
8.2%
|
1,341,508
|
$44,444,160 | $0 | 28 Nov 2025 | |
| Farallon Capital Partners, L.P. |
13D/G
|
Dapice Joshua J. |
7.8%
|
1,227,590
|
$38,963,707 | +$2,763,919 | 31 Dec 2025 | |
| FARALLON CAPITAL MANAGEMENT LLC |
13F
|
Company |
7.8%
|
1,227,590
|
$31,426,304 | — | 30 Sep 2025 | |
| Commodore Capital LP |
13D/G
13F
|
Company |
9.9%
|
1,615,981
|
$29,281,576 | $0 | 08 Aug 2025 | |
| RA CAPITAL MANAGEMENT, L.P. |
13D/G
13F
|
Company |
9.5%
|
1,530,615
|
$28,392,908 | $0 | 11 Aug 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
3.2%
|
502,112
|
$12,854,067 | — | 30 Sep 2025 | |
| Frazier Life Sciences Management, L.P. |
13F
|
Company |
2.9%
|
456,249
|
$11,679,974 | — | 30 Sep 2025 | |
| Blackstone Inc. |
13F
|
Company |
2.8%
|
447,789
|
$11,463,398 | — | 30 Sep 2025 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
1.5%
|
238,169
|
$11,410,677 | — | 30 Sep 2025 | |
| Alexander Schornstein |
3/4/5
13D/G
|
10%+ Owner |
3.5%
from 13D/G
|
728,113
|
$10,812,478 | — | 22 Nov 2024 | |
| Point72 Asset Management, L.P. |
13F
|
Company |
1.9%
|
296,017
|
$7,578,042 | — | 30 Sep 2025 | |
| Parkman Healthcare Partners LLC |
13F
|
Company |
1.6%
|
250,981
|
$6,425,114 | — | 30 Sep 2025 | |
| B Group, Inc. |
13F
|
Company |
1.1%
|
175,706
|
$4,498,074 | — | 30 Sep 2025 | |
| BlackRock, Inc. |
13F
|
Company |
1.1%
|
170,199
|
$4,357,094 | — | 30 Sep 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.98%
|
153,611
|
$3,932,442 | — | 30 Sep 2025 | |
| Patient Square Capital LP |
13F
|
Company |
0.86%
|
135,182
|
$3,460,659 | — | 30 Sep 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.83%
|
131,026
|
$3,354,266 | — | 30 Sep 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.83%
|
130,095
|
$3,331,113 | — | 30 Sep 2025 | |
| Schonfeld Strategic Advisors LLC |
13F
|
Company |
0.77%
|
121,888
|
$3,120,330 | — | 30 Sep 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.54%
|
85,215
|
$2,181,504 | — | 30 Sep 2025 | |
| STEMPOINT CAPITAL LP |
13F
|
Company |
0.42%
|
66,130
|
$1,692,928 | — | 30 Sep 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.34%
|
53,878
|
$1,379,277 | — | 30 Sep 2025 | |
| STATE STREET CORP |
13F
|
Company |
0.28%
|
44,814
|
$1,147,238 | — | 30 Sep 2025 | |
| MONIMUS CAPITAL MANAGEMENT, LP |
13F
|
Company |
0.27%
|
42,067
|
$1,076,915 | — | 30 Sep 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.25%
|
39,955
|
$1,022,848 | — | 30 Sep 2025 | |
| MPM BioImpact LLC |
13F
|
Company |
0.25%
|
39,665
|
$1,015,424 | — | 30 Sep 2025 | |
| Palumbo Wealth Management LLC |
13F
|
Company |
0.22%
|
34,798
|
$890,829 | — | 30 Sep 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.21%
|
33,828
|
$865,997 | — | 30 Sep 2025 | |
| Ellsworth Advisors, LLC |
13F
|
Company |
0.19%
|
29,950
|
$851,778 | — | 30 Sep 2025 | |
| Informed Momentum Co LLC |
13F
|
Company |
0.18%
|
29,072
|
$744,243 | — | 30 Sep 2025 | |
| FEDERATED HERMES, INC. |
13F
|
Company |
0.16%
|
25,394
|
$650,086 | — | 30 Sep 2025 | |
| Walleye Capital LLC |
13F
|
Company |
0.16%
|
24,501
|
$627,226 | — | 30 Sep 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
0.15%
|
23,290
|
$595,000 | — | 30 Sep 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.14%
|
21,608
|
$553,165 | — | 30 Sep 2025 | |
| ADAR1 Capital Management, LLC |
13F
|
Company |
0.12%
|
18,947
|
$485,043 | — | 30 Sep 2025 | |
| Quadrature Capital Ltd |
13F
|
Company |
0.11%
|
17,935
|
$459,136 | — | 30 Sep 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.11%
|
17,656
|
$451,994 | — | 30 Sep 2025 | |
| Cubist Systematic Strategies, LLC |
13F
|
Company |
0.1%
|
16,161
|
$413,716 | — | 30 Sep 2025 | |
| UBS Group AG |
13F
|
Company |
0.1%
|
15,763
|
$403,533 | — | 30 Sep 2025 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.1%
|
15,225
|
$389,760 | — | 30 Sep 2025 | |
| XTX Topco Ltd |
13F
|
Company |
0.08%
|
12,806
|
$327,834 | — | 30 Sep 2025 | |
| Trexquant Investment LP |
13F
|
Company |
0.08%
|
12,526
|
$320,666 | — | 30 Sep 2025 | |
| GSA CAPITAL PARTNERS LLP |
13F
|
Company |
0.08%
|
12,420
|
$318,000 | — | 30 Sep 2025 | |
| Connor, Clark & Lunn Investment Management Ltd. |
13F
|
Company |
0.07%
|
11,156
|
$285,594 | — | 30 Sep 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.07%
|
11,030
|
$282,368 | — | 30 Sep 2025 | |
| John G. McHutchison |
3/4/5
|
Director |
—
mixed-class rows
|
21,847
mixed-class rows
|
$180,683 | — | 05 Jun 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.03%
|
3,961
|
$101,402 | — | 30 Sep 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.02%
|
3,527
|
$90,291 | — | 30 Sep 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.02%
|
3,371
|
$86,298 | — | 30 Sep 2025 |
Institutional Holders of ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 per shares (the "Shares") (ASMB) as of Q4 2025
As of 31 Dec 2025,
ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 per shares (the "Shares") (ASMB) was held by
69 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
13,724,214 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, Paradigm Biocapital Advisors LP, Point72 Asset Management, L.P., VANGUARD GROUP INC, Blackstone Inc., and Parkman Healthcare Partners LLC.
This page lists
69
institutional shareholders reporting positions in this security
for the Q4 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
56
Q4 2025 holders
69
Holder diff
13
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 Value $ | Q4 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.
An asterisk sign (*) next to the price indicates that the price is likely invalid.