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STATE OF WISCONSIN INVESTMENT BOARD

Position in ZBIO — Zenas BioPharma, Inc.

CIK 854157 MADISON, WI

Position in ZBIO

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$683,280
+$276,367 QoQ
Shares Held
26,922
+29.3% QoQ
Ownership
0.041%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#72
of 145 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ZBIO Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

STATE OF WISCONSIN INVESTMENT BOARD holds $511,704,326 across 163 Biotechnology names. ZBIO ranks #120 (0.1% 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 $683,280 26,922
2026-03-31 $406,913 20,814
2025-12-31 $371,124 10,221