ETNB 89BIO INC

Ownership history in SUPERSTRING CAPITAL MANAGEMENT LP  ·  8 quarters on record

This page tracks every 13F SEC filing in which SUPERSTRING CAPITAL MANAGEMENT LP reported a position in 89BIO INC (ETNB). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
8.14% (2023 Q4)
Avg. % of fund
4.5%
First filed
2023 Q4
Last filed
2025 Q3
Quarters held
8
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 384,652 +172,275 +81.1% 5.57% $5.7M
2025 Q2 ADDED 212,377 +103,221 +94.6% 2.47% $2.1M
2025 Q1 REDUCED 109,156 -23,826 -17.9% 0.94% $794K
2024 Q4 REDUCED 132,982 -462,221 -77.7% 0.90% $1.0M
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% of Fund (quarterly)

Other funds also holding ETNB

As of 2025 Q4 — sorted by position size

IFP Advisors, Inc 3Y 7Y 0.0%
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