Position in REGN
as of Jun 30, 2026
· filed Aug 3, 2026
Position Value
$573,033
-$140,886 QoQ
Shares Held
919
-0.5% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#773
of 1,322 holders
Holding Since
Dec 2024
7 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in REGN Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026Callahan Advisors, LLC holds $573,033 across 1 Biotechnology name. REGN ranks #1 (100.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | REGN |
Regeneron Pharmaceuticals, Inc.
This page
|
919 | $573,033 |
All Filings in REGN
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7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $573,033 | 919 | Shares | Sole | 2026-08-03 | |
| 2026-03-31 | $713,919 | 924 | Shares | Sole | 2026-05-12 | |
| 2025-12-31 | $713,207 | 924 | Shares | Sole | 2026-02-06 | |
| 2025-09-30 | $523,473 | 931 | Shares | Sole | 2025-10-31 | |
| 2025-06-30 | $490,875 | 935 | Shares | Sole | 2025-07-28 | |
| 2025-03-31 | $593,005 | 935 | Shares | Sole | 2025-05-01 | |
| 2024-12-31 | $616,877 | 866 | Shares | Sole | 2025-01-31 | |
| No filing history on record for this holder in this stock. | ||||||