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VANGUARD PORTFOLIO MANAGEMENT LLC

Position in ZBIO — Zenas BioPharma, Inc.

CIK 2100121 MALVERN, PA

Position in ZBIO

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$7,737,600
+$2,822,535 QoQ
Shares Held
304,870
+21.3% QoQ
Ownership
0.468%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#32
of 145 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in ZBIO Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

VANGUARD PORTFOLIO MANAGEMENT LLC holds $28,900,028,271 across 295 Biotechnology names. ZBIO ranks #152 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ZBIO

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2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $7,737,600 304,870
2026-03-31 $4,915,065 251,410