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FMR LLC

Position in ZBIO — Zenas BioPharma, Inc.

CIK 315066 BOSTON, MA

Position in ZBIO

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$241,280,070
+$63,726,972 QoQ
Shares Held
9,506,701
+4.7% QoQ
Ownership
14.6%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#1
of 145 holders
Holding Since
Sep 2024
8 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

FMR LLC holds $61,424,667,384 across 370 Biotechnology names. ZBIO ranks #60 (0.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ZBIO

Export CSV
8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $241,280,070 9,506,701
2026-03-31 $177,553,098 9,082,000
2025-12-31 $279,741,497 7,704,255
2025-09-30 $107,012,213 4,820,370
2025-06-30 $32,205,042 3,323,534
2025-03-31 $22,533,729 2,852,371
2024-12-31 $14,592,244 1,781,715
2024-09-30 $33,840,000 2,000,000