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Round Rock Advisors LLC

Position in HALO — Halozyme Therapeutics, Inc.

CIK 1846991 WILTON, CT

Position in HALO

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$346,546
-$7,384 QoQ
Shares Held
5,362
+2.0% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority Sole 99% Shared 0% None 1%

Common Shares in HALO Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

Round Rock Advisors LLC holds $4,657,848 across 9 Biotechnology names. HALO ranks #7 (7.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 HALO
Halozyme Therapeutics, Inc.
This page
5,362 $346,546

All Filings in HALO

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3 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $346,546 5,362
2025-12-31 $353,930 5,259
2025-09-30 $499,372 6,809