Skip to main content

RHUMBLINE ADVISERS

Position in ZBIO — Zenas BioPharma, Inc.

CIK 1115418 BOSTON, MA

Position in ZBIO

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$869,138
+$344,944 QoQ
Shares Held
34,245
+27.7% QoQ
Ownership
0.053%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#66
of 145 holders
Holding Since
Dec 2024
7 quarters on record
Voting authority Sole 22% Shared 0% None 78%

Common Shares in ZBIO Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $1,404,724,682 across 329 Biotechnology names. ZBIO ranks #146 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ZBIO

Export CSV
7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $869,138 34,245
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