ZBIO

ZENAS BIOPHARMA INC

Data as of 2026 Q2 (06-30) · 13F snapshot

Summary

ZENAS BIOPHARMA INC (ZBIO) is held as common stock by 3 tracked hedge-fund managers, with a combined reported value of ~$22.14M; the largest are Izzy Englander, Ken Griffin, Steven Cohen. 1 tracked manager also disclosed PUT or CALL positions, reported separately below. This quarter: 1 new, 2 added. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.

Attention · LowThis quarter · Heating up

Common-stock holders31 also report options

Congress trades0

Price$26.76vs quarter-end+5.44%

Sectors0

This quarter's moves

New1

Added2

Trimmed / sold0

Top holder

Izzy Englander

Common-stock positions

PUT and CALL disclosures are excluded from these holder counts and values.

Investor	Period	Value	Shares	% of portfolio	Action

PUT / CALL disclosures

Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.

Ken GriffinCALL—

Value $784.2K— of portfolio30,9002026 Q2

Investor	Period	Value	Shares	% of portfolio	Action
Ken GriffinCALL	2026 Q2	$784.2K	30,900	—	—

Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.