Security key
282559103
89bio, Inc. - Common stock, par value $0.001 per share (ETNB)
CUSIP: 282559103
Q1 2025 13F Holders as of 31 Mar 2025
- Security type / class
- Equity / Common stock, par value $0.001 per share
- Total 13F shares
- 154,244,684
- Total 13F value
- $1,137,978,261
- Share change
- +32,530,558
- Put/Call ratio
- 258%
- SEC-reported price per share
- $7.27
- Number of holders
- 184
- Value change
- +$235,722,517
- Number of buys
- 142
- Number of sells
- 54
- Shares outstanding
- 148,275,293
Holder snapshot
7 signals
Show 1 more signal
Security identity
1 source field
Report period
Q1 2025
Institutions
184
Top holders
10
ETNB full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2025
Previous quarter: Q4 2024
89bio, Inc. SEC filings
89bio, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 282559103
Recent filing periods:
Ownership snapshot
Top reported holders of ETNB - 89bio, Inc. - Common stock, par value $0.001 per share (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
BIOTECHNOLOGY VALUE FUND L P
Disclosed value leader
JANUS HENDERSON GROUP PLC
Comparable rows
15/15
Latest evidence
31 Dec 2024
13D/G
13F
Lead comparable stake: 3.6%
13D/G row: BIOTECHNOLOGY VALUE FUND L P
Showing 1-6 of 15 holder rows.
Quick read
BIOTECHNOLOGY VALUE FUND L P leads the comparable SEC ownership view at 3.6%.
15 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.
Comparable ownership
Top 5
BIOTECHNOLOGY VALUE FUND L P
3.6%
RTW INVESTMENTS, LP
1.3%
JANUS HENDERSON GROUP PLC
11%
RA CAPITAL MANAGEMENT, L.P.
9.6%
SUVRETTA CAPITAL MANAGEMENT, LLC
6.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BIOTECHNOLOGY VALUE FUND L P |
13D/G
BVF PARTNERS L P/IL
|
3.6%
|
$29,903,806
4,333,885 shares
|
$0 | 31 Dec 2024 |
| RTW INVESTMENTS, LP |
13F
13D/G
Company
|
1.3%
from 13D/G
|
$58,478,437
7,478,061 shares
|
— | 31 Dec 2024 |
| JANUS HENDERSON GROUP PLC |
13F
Company
|
11%
|
$129,177,176
16,514,056 shares
|
— | 31 Dec 2024 |
| RA CAPITAL MANAGEMENT, L.P. |
13F
Company
|
9.6%
|
$110,851,612
14,175,398 shares
|
— | 31 Dec 2024 |
| SUVRETTA CAPITAL MANAGEMENT, LLC |
13F
Company
|
6.9%
|
$79,785,083
10,202,696 shares
|
— | 31 Dec 2024 |
| BlackRock, Inc. |
13F
Company
|
5.3%
|
$61,700,575
7,890,099 shares
|
— | 31 Dec 2024 |
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 Q1 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
184
Shares
154,244,684
Rows available
184
| 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 Q1 2025 vs Q4 2024 Across Filers
Q4 2024 holders
152
Q1 2025 holders
184
Holder diff
32
| Investor | Q4 2024 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q4 2024 value | Q1 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend