Skip to main content

Rafferty Asset Management, LLC

Position in ZBIO — Zenas BioPharma, Inc.

CIK 1389426 New York, NY

Position in ZBIO

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$951,978
+$10,275 QoQ
Shares Held
37,509
-22.1% QoQ
Ownership
0.058%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#64
of 145 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ZBIO Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Rafferty Asset Management, LLC holds $331,711,589 across 163 Biotechnology names. ZBIO ranks #90 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ZBIO

Export CSV
2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $951,978 37,509
2026-03-31 $941,703 48,169