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Round Rock Advisors LLC

Position in CERS — Cerus Corp

CIK 1846991 WILTON, CT

Position in CERS

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$482,238
-$63,095 QoQ
Shares Held
264,966
+0.1% QoQ
Ownership
0.132%
of shares outstanding
% of Portfolio
0.17%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2025
2 quarters on record
Voting authority Sole 99% Shared 0% None 1%

Common Shares in CERS Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Mar 31, 2026

Round Rock Advisors LLC holds $4,891,322 across 6 Medical Devices names. CERS ranks #5 (9.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 CERS
Cerus Corp
This page
264,966 $482,238

All Filings in CERS

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2 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $482,238 264,966
2025-12-31 $545,333 264,725