Security key
045396108
ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 (ASMB)
CUSIP: 045396108
Q2 2020 13F Holders as of 30 Jun 2020
- Security type / class
- Equity / Common Stock, par value $0.001
- Total 13F shares
- 29,993,173
- Total 13F value
- $700,372,173
- Share change
- +1,031,279
- Put/Call ratio
- 0%
- SEC-reported price per share
- $23.32
- Number of holders
- 103
- Value change
- +$25,372,004
- Number of buys
- 65
- Number of sells
- 30
- Shares outstanding
- 19,829,040
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2020
Institutions
103
Top holders
10
ASMB full security history
Ownership snapshot
Full 13F holder table
ASSEMBLY BIOSCIENCES, INC. SEC filings
ASSEMBLY BIOSCIENCES, INC. company facts
Broader feeds
Ownership snapshot
Top reported holders of ASMB - ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 (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
Consonance Capital Manage...
Disclosed value leader
Consonance Capital Manage...
Comparable rows
0/15
Latest evidence
31 Mar 2020
13F
Highest disclosed value: $47,093,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Consonance Capital Management LP has the largest disclosed position value at $47.09M.
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 Consonance Capital Management LP's linked filing trail.
Disclosed position value
Top 5
Consonance Capital Management LP
$47.09M
EcoR1 Capital, LLC
$38.42M
JENNISON ASSOCIATES LLC
$34.71M
BlackRock Finance, Inc.
$34.08M
BAKER BROS. ADVISORS LP
$22.86M
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 |
|---|---|---|---|---|---|
| Consonance Capital Management LP |
13F
Company
|
—
denominator unverified
|
$47,093,000
3,175,535 shares
|
— | 31 Mar 2020 |
| EcoR1 Capital, LLC |
13F
Company
|
—
denominator unverified
|
$38,420,000
2,590,680 shares
|
— | 31 Mar 2020 |
| JENNISON ASSOCIATES LLC |
13F
Company
|
—
denominator unverified
|
$34,714,000
2,340,828 shares
|
— | 31 Mar 2020 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$34,079,000
2,297,866 shares
|
— | 31 Mar 2020 |
| BAKER BROS. ADVISORS LP |
13F
Company
|
—
denominator unverified
|
$22,862,000
1,541,618 shares
|
— | 31 Mar 2020 |
| Rock Springs Capital Management LP |
13F
Company
|
—
denominator unverified
|
$22,245,000
1,500,000 shares
|
— | 31 Mar 2020 |
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 Q2 2020
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
103
Shares
29,993,173
Rows available
103
| 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 Q2 2020 vs Q1 2020 Across Filers
Q1 2020 holders
96
Q2 2020 holders
103
Holder diff
7
| Investor | Q1 2020 Shares | Q2 2020 Shares | Share Diff | Share Chg % | Q1 2020 value | Q2 2020 value | Value change | Value Chg % |
|---|