Zenas BioPharma, Inc.

Historical 13F Holders

Symbol
ZBIO
CUSIP
98937L105
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 98937L105 since 12/18/2024, largest first.

Filer % of Class Filed
FMR LLC 13G/A
14.3% 2/5/2026
Event 12/31/2025
InnoCare Pharma Inc. 13G/A
10.4% 9/8/2026
Event 8/26/2026
Wellington Management Group LLP 13G
10.1% 9/8/2026
Event 8/31/2026
SR One Capital Management, LLC 13D/A
7.7% 8/17/2026
Event 8/13/2026
Moulder Leon O Jr 13D
5.1% 5/5/2026
Event 4/29/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (3)
Enavate Sciences GP, LLC 13D/A
4.9% 8/19/2026
Event 8/19/2026
Longitude Capital Partners IV, LLC 13D/A
4.9% 10/14/2025
Event 10/9/2025
Novo Holdings A/S 13G/A 4.7% 11/14/2025
Event 9/30/2025

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 8 1.19 k $32.2 k
2026 Q2 149 62.0 M $1.58 B
2026 Q1 146 57.8 M $1.14 B
2025 Q4 136 42.8 M $1.55 B
2025 Q3 82 34.8 M $775 M
2025 Q2 75 34.1 M $330 M
2025 Q1 68 32.5 M $257 M
2024 Q4 67 31.7 M $260 M
2024 Q3 45 24.8 M $419 M