THOMPSON SIEGEL & WALMSLEY LLC
Position in REGN — Regeneron Pharmaceuticals, Inc.
CIK 1008322
RICHMOND, VA
Position in REGN
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$9,793,984
+$603,328 QoQ
Shares Held
12,676
+6.5% QoQ
Ownership
0.012%
of shares outstanding
% of Portfolio
0.19%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2021
20 quarters on record
Voting authority
Sole 94%
Shared 0%
None 6%
Common Shares in REGN Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026THOMPSON SIEGEL & WALMSLEY LLC holds $58,024,470 across 5 Biotechnology names. REGN ranks #2 (16.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | JAZZ |
Jazz Pharmaceuticals plc
|
233,694 | $44,179,850 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
This page
|
12,676 | $9,793,984 | |
| 3 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
6,437 | $2,874,377 | |
| 4 | VIR |
Vir Biotechnology, Inc.
|
92,000 | $824,320 | |
| 5 | FENC |
Fennec Pharmaceuticals Inc.
|
57,226 | $351,939 |
All Filings in REGN
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $9,793,984 | 12,676 | Shares | Defined | 2026-05-11 | |
| 2025-12-31 | $9,190,656 | 11,907 | Shares | Defined | 2026-02-10 | |
| 2025-09-30 | $6,793,346 | 12,082 | Shares | Defined | 2025-11-12 | |
| 2025-06-30 | $5,820,150 | 11,086 | Shares | Defined | 2025-08-06 | |
| 2025-03-31 | $6,390,501 | 10,076 | Shares | Defined | 2025-05-09 | |
| 2024-12-31 | $5,450,749 | 7,652 | Shares | Defined | 2025-02-10 | |
| 2024-09-30 | $7,873,787 | 7,490 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $9,053,572 | 8,614 | Shares | Defined | 2024-08-08 | |
| 2024-03-31 | $8,402,537 | 8,730 | Shares | Defined | 2024-05-09 | |
| 2023-12-31 | $9,802,594 | 11,161 | Shares | Defined | 2024-02-07 | |
| 2023-09-30 | $9,688,707 | 11,773 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $8,217,222 | 11,436 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $9,379,363 | 11,415 | Shares | Sole | 2023-05-11 | |
| 2022-12-31 | $7,930,617 | 10,992 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $7,855,184 | 11,403 | Shares | Sole | 2022-10-25 | |
| 2022-06-30 | $6,797,403 | 11,499 | Shares | Sole | 2022-07-22 | |
| 2022-03-31 | $8,006,686 | 11,464 | Shares | Sole | 2022-04-26 | |
| 2021-12-31 | $7,194,907 | 11,393 | Shares | Defined | 2022-02-09 | |
| 2021-09-30 | $6,705,394 | 11,080 | Shares | Defined | 2021-11-05 | |
| 2021-06-30 | $6,057,366 | 10,845 | Shares | Defined | 2021-08-09 | |
| No filing history on record for this holder in this stock. | ||||||