Security key
282559103
89bio, Inc. - Common stock, par value $0.001 per share (ETNB)
CUSIP: 282559103
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / Common stock, par value $0.001 per share
- Total 13F shares
- 90,017
- Total 13F value
- $1,107,252
- Share change
- -154,510,200
- SEC-reported price per share
- $13.56
- Number of holders
- 2
- Value change
- -$2,271,221,420
- Number of sells
- 193
- Shares outstanding
- 148,275,293
Holder snapshot
5 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
2
Top holders
2
ETNB full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
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
VANGUARD GROUP INC
Disclosed value leader
RA CAPITAL MANAGEMENT, L.P.
Comparable rows
15/15
Latest evidence
30 Sep 2025
13F
13D/G
3/4/5
Lead comparable stake: 5.6%
13D/G row: VANGUARD GROUP INC
Showing 1-6 of 15 holder rows.
Quick read
VANGUARD GROUP INC leads the comparable SEC ownership view at 5.6%.
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.
Open SEC evidence
Opens VANGUARD GROUP INC's linked filing trail.
Comparable ownership
Top 5
VANGUARD GROUP INC
5.6%
SUVRETTA CAPITAL MANAGEMENT, LLC
5.6%
Janus Henderson Group Ltd.
3.6%
BIOTECHNOLOGY VALUE FUND L P
3.6%
RTW INVESTMENTS, LP
1.3%
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 |
|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
13D/G
Company · The Vanguard Group
|
5.6%
from 13D/G
|
$118,385,847
8,053,459 shares
|
— | 30 Sep 2025 |
| SUVRETTA CAPITAL MANAGEMENT, LLC |
13D/G
13F
Company
|
5.6%
|
$121,716,000
8,280,000 shares
|
-$93,071,712 | 30 Sep 2025 |
| Janus Henderson Group Ltd. |
13D/G
13F
JANUS HENDERSON GROUP PLC · Company
|
3.6%
|
$79,060,933
5,378,185 shares
|
-$226,534,240 | 30 Sep 2025 |
| 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 |
13D/G
|
1.3%
|
$13,575,936
1,967,527 shares
|
$0 | 31 Mar 2025 |
| RA CAPITAL MANAGEMENT, L.P. |
13F
3/4/5
Company · Director, 10%+ Owner
|
13%
|
$292,378,340
19,889,683 shares
|
— | 30 Sep 2025 |
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 Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
2
Shares
90,017
Rows available
2
| 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 Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
197
Q4 2025 holders
2
Holder diff
-195
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend