Zenas BioPharma, Inc. (ZBIO) Institutional Ownership and Insiders Activity
Zenas BioPharma, Inc. (ZBIO) is widely held by institutional investors, with 141 firms reporting positions valued at approximately $1.55B based on SEC Form 13F filings for the quarter ended June 30, 2026.
Fmr Llc is the largest disclosed holder, reporting approximately $241.28M in ZBIO holdings in its latest filing.
Institutional Holders
141
Total Reported Value
$1.55B
Largest Holder
Fmr Llc
Largest Position
$241.28M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
28
Funds Exiting Positions
28
Top Institutional Owners
View allInvestorReported Balance
- Fmr Llc$241.28M
- Sr One Capital Management, Lp$127.86M
- Nea Management Company, Llc$102.11M
- Enavate Sciences Gp, Llc$99.47M
- Federated Hermes, Inc.$79.10M