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JANE STREET GROUP, LLC

Position in ZBIO — Zenas BioPharma, Inc.

CIK 1595888 NEW YORK, NY

Position in ZBIO

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$0
+$0 QoQ
Shares Held
0
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2025
3 quarters on record

Derivatives in ZBIO

reported options exposure · as of Jun 30, 2026
CallValue
$989,820
CallShares
39,000
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Biotechnology

Healthcare · as of Jun 30, 2026

JANE STREET GROUP, LLC holds $1,364,050,815 across 292 Biotechnology names.

# Ticker Company Shares Value (USD) Open

All Filings in ZBIO

Export CSV
4 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $989,820 39,000
2026-03-31 $557,175 28,500
2026-03-31 $868,020 44,400
2025-12-31 $1,299,898 35,800