SOUTHEASTERN ASSET MANAGEMENT INC/TN/
Position in REGN — Regeneron Pharmaceuticals, Inc.
CIK 807985
MEMPHIS, TN
Position in REGN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$94,978,859
-$5,975,828 QoQ
Shares Held
152,322
+16.6% QoQ
Ownership
0.148%
of shares outstanding
% of Portfolio
4.95%
of 13F equity value
Holder Rank
#86
of 1,322 holders
Holding Since
Mar 2025
6 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, 2026SOUTHEASTERN ASSET MANAGEMENT INC/TN/ holds $94,978,859 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
|
152,322 | $94,978,859 |
All Filings in REGN
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6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $94,978,859 | 152,322 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $100,954,687 | 130,662 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $127,969,870 | 165,792 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $81,308,177 | 144,607 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $84,305,025 | 160,581 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $72,860,342 | 114,880 | Shares | Sole | 2025-05-15 | |
| No filing history on record for this holder in this stock. | ||||||