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RHUMBLINE ADVISERS

Position in ZBIO — Zenas BioPharma, Inc.

CIK 1115418 BOSTON, MA

Position in ZBIO

as of Mar 31, 2026 · filed May 12, 2026
Position Value
$524,194
-$272,665 QoQ
Shares Held
26,813
+22.2% QoQ
Ownership
0.042%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2024
6 quarters on record
Voting authority Sole 13.974564576884346.ToString("F0")% Shared 0.ToString("F0")% None 86.02543542311565.ToString("F0")%

Common Shares in ZBIO Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

RHUMBLINE ADVISERS holds $1,237,848,251 across 287 Biotechnology names. ZBIO ranks #153 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ZBIO

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6 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $524,194 26,813
2025-12-31 $796,859 21,946
2025-09-30 $470,950 21,214
2025-06-30 $191,096 19,721
2025-03-31 $90,960 11,514
2024-12-31 $318,934 38,942