89bio, Inc. - Common stock, par value $0.001 per share (ETNB)

Historical Holders from Q4 2019 to Q4 2025

Type / Class
Equity / Common stock, par value $0.001 per share
Symbol
ETNB
Shares outstanding
148,275,293
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares as of 30 Sep 2025
154,682,203
Total reported value
$2,273,597,098
% of total 13F portfolios
0.01%
Share change
-6,498,605
Value change
-$595,145
Avg buy value change
+0.01%
Avg sell value change
-0%
Number of holders
195
Price from insider filings
$4.44
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of 89bio, Inc. - Common stock, par value $0.001 per share (ETNB) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Deep Track Capital, LP 6.3% -32% $137,535,714 -$65,564,381 9,356,171 -32% Deep Track Capital, LP 30 Sep 2025
SUVRETTA CAPITAL MANAGEMENT, LLC 5.6% -43% $121,716,000 -$93,071,712 8,280,000 -43% SUVRETTA CAPITAL MANAGEMENT, LLC 30 Sep 2025
VANGUARD GROUP INC 5.6% $71,954,004 8,242,154 The Vanguard Group 30 Jun 2025
JANUS HENDERSON GROUP PLC 3.6% -76% $79,062,546 -$226,538,863 5,378,185 -74% JANUS HENDERSON GROUP PLC 30 Sep 2025
BIOTECHNOLOGY VALUE FUND L P 3.6% $31,507,344 4,333,885 BVF PARTNERS L P/IL 31 Dec 2024
RTW INVESTMENTS, LP 1.3% $14,303,921 1,967,527 RTW Investments, LP 31 Mar 2025
As of 30 Sep 2025, 89bio, Inc. - Common stock, par value $0.001 per share (ETNB) has 195 institutional shareholders filing 13F forms. They hold 154,682,203 shares. .

Top 25 institutional shareholders own 87% of the company.

Filer Ownership Nb Shares Share Change % Portfolio % Holdings Value
RA CAPITAL MANAGEMENT, L.P. 13% 19,889,683 0% 3.6% $292,378,340
Pentwater Capital Management LP 7.9% 11,750,000 1.6% $172,725,000
BlackRock, Inc. 7% 10,316,393 -2.4% 0% $151,650,978
Deep Track Capital, LP 6.3% 9,356,171 -1.5% 3.8% $137,535,714
ADAGE CAPITAL PARTNERS GP, L.L.C. 6.1% 9,097,587 +362% 0.21% $133,734,529
SUVRETTA CAPITAL MANAGEMENT, LLC 5.6% 8,280,000 -42% 3.7% $121,716,000
VANGUARD GROUP INC 5.4% 8,053,459 -2.3% 0% $118,385,847
Avoro Capital Advisors LLC 4.3% 6,387,790 -5.4% 1.2% $93,900,513
GLAZER CAPITAL, LLC 3.8% 5,636,905 2.8% $82,863,000
JANUS HENDERSON GROUP PLC 3.6% 5,378,185 -74% 0.04% $79,055,106
STATE STREET CORP 3.6% 5,286,308 +24% 0% $77,708,728
DEUTSCHE BANK AG\ 2.4% 3,499,625 +3942% 0.02% $51,444,487
WESTFIELD CAPITAL MANAGEMENT CO LP 2.2% 3,291,369 -2.4% 0.2% $48,383,124
GEODE CAPITAL MANAGEMENT, LLC 2.1% 3,092,340 -0.61% 0% $45,463,604
SYQUANT CAPITAL SAS 1.7% 2,593,694 11% $38,127,000
KRYGER CAPITAL Ltd 1.6% 2,350,000 4% $34,545,000
TIG Advisors, LLC 1.5% 2,186,648 2% $32,143,726
Hudson Bay Capital Management LP 1.5% 2,172,000 +862% 0.19% $31,928,400
ADAR1 Capital Management, LLC 1.4% 2,113,153 +141% 3.1% $31,063,349
GOLDMAN SACHS GROUP INC 1.1% 1,616,785 +29% 0% $23,766,740
DIMENSIONAL FUND ADVISORS LP 1.1% 1,606,783 +36% 0.01% $23,619,710
Redmile Group, LLC 0.99% 1,473,136 -4.7% 2.1% $21,655,099
Balyasny Asset Management L.P. 0.98% 1,459,055 0.04% $21,448,109
Weiss Asset Management LP 0.94% 1,400,000 0.31% $20,580,000
NORTHERN TRUST CORP 0.76% 1,125,784 -0.59% 0% $16,549,026

Institutional Holders of 89bio, Inc. - Common stock, par value $0.001 per share (ETNB) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (% of par) Investors
2025 Q4 0 $0 -$7,041,859 0
2025 Q3 154,682,203 $2,273,597,098 -$595,145 1,470% 195
2025 Q2 161,195,505 $1,583,221,092 +$87,329,474 982% 181
2025 Q1 154,244,684 $1,137,978,481 +$235,722,746 727% 184
2024 Q4 121,178,976 $947,689,844 +$128,680,447 782% 152
2024 Q3 104,404,539 $772,806,031 +$3,700,267 740% 143
2024 Q2 103,297,380 $827,333,331 +$24,697,079 801% 143
2024 Q1 98,362,602 $1,144,203,781 +$59,252,054 1,164% 150
2023 Q4 539,470 $6,043,390 +$5,107,985 1,117% 3
2023 Q3 71,901,014 $1,110,190,442 -$106,567,852 1,544% 157
2023 Q2 77,046,537 $1,460,096,312 +$128,162,202 1,895% 156
2023 Q1 70,992,649 $1,081,023,134 +$392,829,200 1,523% 146
2022 Q4 46,306,156 $589,465,858 +$135,051,607 1,273% 106
2022 Q3 39,078,432 $226,262,083 +$45,295,427 579% 82
2022 Q2 32,355,899 $104,246,000 +$47,935,230 322% 66
2022 Q1 16,354,371 $61,653,000 -$15,174,145 376.93% 64
2021 Q4 17,305,335 $226,115,000 -$711,030 1,307.04% 49
2021 Q3 17,322,213 $339,443,000 +$9,487,063 1,959.01% 48
2021 Q2 16,626,660 $310,917,000 -$3,450,615 1,869.93% 49
2021 Q1 16,578,236 $392,590,000 +$6,868,784 2,367.94% 66
2020 Q4 16,716,696 $407,455,000 +$14,917,144 2,437.05% 69
2020 Q3 16,031,138 $411,147,774 +$141,753,387 2,565.99% 67
2020 Q2 10,412,527 $207,490,000 -$1,581,240 1,992.93% 36
2020 Q1 10,699,602 $270,165,000 +$7,516,231 2,525.01% 30
2019 Q4 10,258,166 $269,686,000 +$267,410,212 2,628.92% 32