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MARSHALL WACE, LLP

Position in ZBIO — Zenas BioPharma, Inc.

CIK 1318757 LONDON, X0

Position in ZBIO

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$8,208,957
-$1,603,734 QoQ
Shares Held
323,442
-35.6% QoQ
Ownership
0.496%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#30
of 145 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in ZBIO Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

MARSHALL WACE, LLP holds $3,014,740,742 across 267 Biotechnology names. ZBIO ranks #77 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ZBIO

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $8,208,957 323,442
2026-03-31 $9,812,691 501,928
2025-12-31 $257,801 7,100