Vault-13

89BIO INC ETNB

COM · Common Stock · CUSIP 282559103

0 institutional holders -2 vs Q4 2025
—reported value*
0 new 0 added 0 reduced 2 sold out net sold ≈ $1.1m (-90.0k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable.

Trends to Q1 2026

Institutional holders

Managers reporting a position, each quarter

0100200Q3 22: 86Q4 22: 106Q1 23: 149Q2 23: 159Q3 23: 162Q4 23: 155Q1 24: 152Q2 24: 147Q3 24: 146Q4 24: 158Q1 25: 189Q2 25: 187Q3 25: 198Q4 25: 2Q1 26: 00Q3 22Q3 23Q3 24Q3 25Q1 26
Numbers
QuarterHolders
Q3 202286
Q4 2022106
Q1 2023149
Q2 2023159
Q3 2023162
Q4 2023155
Q1 2024152
Q2 2024147
Q3 2024146
Q4 2024158
Q1 2025189
Q2 2025187
Q3 2025198
Q4 20252
Q1 20260

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
2000200Q2 24: 84 bought or addedQ2 24: 65 cut or sold outQ3 24: 80 bought or addedQ3 24: 55 cut or sold outQ3 24Q4 24: 97 bought or addedQ4 24: 54 cut or sold outQ1 25: 142 bought or addedQ1 25: 54 cut or sold outQ1 25Q2 25: 109 bought or addedQ2 25: 90 cut or sold outQ3 25: 113 bought or addedQ3 25: 104 cut or sold outQ3 25Q4 25: 0 bought or addedQ4 25: 190 cut or sold outQ1 26: 0 bought or addedQ1 26: 2 cut or sold outQ1 26
Numbers
QuarterBought or addedCut or sold out
Q2 20248465
Q3 20248055
Q4 20249754
Q1 202514254
Q2 202510990
Q3 2025113104
Q4 20250190
Q1 202602

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$50m$100m$150mQ2 25 calls: $3.7mQ2 25 puts: $17.4mQ2 25P/C 4.74Q3 25 calls: $23.1mQ3 25 puts: $102.0mQ3 25P/C 4.42Q4 25 calls: $0Q4 25 puts: $0Q4 25P/C —Q1 26 calls: $0Q1 26 puts: $0Q1 26P/C —
Numbers
QuarterCallsPutsP/C
Q2 2025$3.7m$17.4m4.74
Q3 2025$23.1m$102.0m4.42
Q4 2025$0$0—
Q1 2026$0$0—

Biggest buyers

None

Biggest sellers

DekaBank Deutsche Girozentrale Sold out -90,000-90.0k
IFP Advisors, Inc Sold out -17-17

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
VANGUARD GROUP INC 13G · institution new · filed 2025-07-29 5.6% new 8.2m 2025-07-29
SUVRETTA CAPITAL MANAGEMENT, LLC 13G · institution -4.3 pts · filed 2025-11-13 5.6% -4.3 pts 8.3m 2025-11-13

Fell to 5% or below in the last year: Deep Track Capital, LP (0.0%, 2026-02-13), Pentwater Capital Management LP (0.0%, 2025-11-14)

Holders, Q1 2026

#ManagerLocationShares Value% of their portfolioChangeShares change