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. Every filing for 98937L105 since 12/18/2024, newest first.

Filer % of Class Filed
InnoCare Pharma Inc. 13G/A Amendment 1
10.4% 9/8/2026
Event 8/26/2026
Wellington Management Group LLP 13G
10.1% 9/8/2026
Event 8/31/2026
Enavate Sciences GP, LLC 13D/A Amendment 2
4.9% 8/19/2026
Event 8/19/2026
SR One Capital Management, LLC 13D/A Amendment 2
7.7% 8/17/2026
Event 8/13/2026
Moulder Leon O Jr 13D
5.1% 5/5/2026
Event 4/29/2026
Leon O. Moulder, Jr. 13D/A Amendment 1
4.8% 4/2/2026
Event 3/31/2026
FMR LLC 13G/A Amendment 4
14.3% 2/5/2026
Event 12/31/2025
Leon O. Moulder, Jr. 13D
5.2% 1/14/2026
Event 1/7/2026
Novo Holdings A/S 13G/A Amendment 1 4.7% 11/14/2025
Event 9/30/2025
InnoCare Pharma Inc. 13G
9.4% 10/15/2025
Event 10/7/2025
Enavate Sciences GP, LLC 13D/A Amendment 1
7.3% 10/14/2025
Event 10/9/2025
SR One Capital Management, LLC 13D/A Amendment 1
9.4% 10/14/2025
Event 10/9/2025
Longitude Capital Partners IV, LLC 13D/A Amendment 1
4.9% 10/14/2025
Event 10/9/2025
Leon O. Moulder, Jr. 13D/A Amendment 1
4.8% 10/9/2025
Event 10/7/2025
FMR LLC 13G/A Amendment 3
11.0% 9/8/2025
Event 8/29/2025
FMR LLC 13G/A Amendment 2
7.9% 8/6/2025
Event 6/30/2025
Leon O. Moulder, Jr. 13D
5.0% 6/6/2025
Event 5/30/2025
FMR LLC 13G/A Amendment 1
6.8% 5/12/2025
Event 3/31/2025
Novo Holdings A/S 13G 5.3% 4/1/2025
Event 3/25/2025

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