ZBIO ZENAS BIOPHARMA INC

Ownership history in SUPERSTRING CAPITAL MANAGEMENT LP  ·  6 quarters on record

This page tracks every 13F SEC filing in which SUPERSTRING CAPITAL MANAGEMENT LP reported a position in ZENAS BIOPHARMA INC (ZBIO). 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
2.11% (2025 Q3)
Avg. % of fund
1.42%
First filed
2024 Q3
Last filed
2025 Q4
Quarters held
6
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 REDUCED 83,353 -13,312 -13.8% 1.62% $3.0M $36.31
2025 Q3 REDUCED 96,665 -14,940 -13.4% 2.11% $2.1M $22.20
2025 Q2 UNCHANGED 111,605 0% 1.28% $1.1M $9.69
2025 Q1 UNCHANGED 111,605 0% 1.05% $882K $7.90
2024 Q4 UNCHANGED 111,605 0% 0.79% $914K $8.19
2024 Q3 INITIATED 111,605 1.65% $1.9M $16.92
% of Fund (quarterly)    ZBIO price (monthly, adj. close)
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