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Costello Asset Management, INC

Position in REGN — Regeneron Pharmaceuticals, Inc.

CIK 1760145 FEASTERVILLE, PA

Position in REGN

as of Jun 30, 2026 · filed Jul 28, 2026
Position Value
$26,812
-$6,411 QoQ
Shares Held
43
0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#1,171
of 1,329 holders
Holding Since
Mar 2025
6 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in REGN Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Costello Asset Management, INC holds $718,779 across 19 Biotechnology names. REGN ranks #7 (3.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 REGN
Regeneron Pharmaceuticals, Inc.
This page
43 $26,812
8
600 $25,500

All Filings in REGN

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6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $26,812 43
2026-03-31 $33,223 43
2025-12-31 $33,190 43
2025-09-30 $24,177 43
2025-06-30 $22,575 43
2025-03-31 $27,271 43