Greenfield Seitz Capital Management, LLC
Position in REGN — Regeneron Pharmaceuticals, Inc.
CIK 2097528
DALLAS, TX
Position in REGN
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$1,916,761
-$411,975 QoQ
Shares Held
3,074
+2.0% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.58%
of 13F equity value
Holder Rank
#522
of 1,322 holders
Holding Since
Dec 2023
11 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, 2026Greenfield Seitz Capital Management, LLC holds $1,916,761 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
|
3,074 | $1,916,761 |
All Filings in REGN
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11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,916,761 | 3,074 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $2,328,736 | 3,014 | Shares | Sole | 2026-04-24 | |
| 2025-12-31 | $2,287,050 | 2,963 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $1,833,000 | 3,260 | Shares | Sole | 2025-11-24 | |
| 2025-06-30 | $1,687,350 | 3,214 | Shares | Sole | 2025-11-24 | |
| 2025-03-31 | $1,916,643 | 3,022 | Shares | Sole | 2025-11-24 | |
| 2024-12-31 | $1,940,386 | 2,724 | Shares | Sole | 2025-11-24 | |
| 2024-09-30 | $2,471,465 | 2,351 | Shares | Sole | 2025-11-24 | |
| 2024-06-30 | $2,496,196 | 2,375 | Shares | Sole | 2025-11-24 | |
| 2024-03-31 | $2,280,138 | 2,369 | Shares | Sole | 2025-11-24 | |
| 2023-12-31 | $1,930,481 | 2,198 | Shares | Sole | 2025-11-24 | |
| No filing history on record for this holder in this stock. | ||||||