GW&K Investment Management, LLC
Position in REGN — Regeneron Pharmaceuticals, Inc.
CIK 1082917
BOSTON, MA
Position in REGN
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$81,683
-$11,033 QoQ
Shares Held
131
+9.2% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#1,097
of 1,322 holders
Holding Since
Mar 2022
15 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, 2026GW&K Investment Management, LLC holds $876,997,841 across 27 Biotechnology names. REGN ranks #18 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | HALO |
Halozyme Therapeutics, Inc.
|
1,353,883 | $105,968,422 | |
| 2 | JAZZ |
Jazz Pharmaceuticals plc
|
350,667 | $84,500,226 | |
| 3 | BBIO |
BridgeBio Pharma, Inc.
|
1,125,131 | $83,799,756 | |
| 4 | CYTK |
Cytokinetics Inc
|
916,107 | $78,043,155 | |
| 5 | LGND |
Ligand Pharmaceuticals Inc
|
246,883 | $78,037,246 | |
| 6 | VCEL |
Vericel Corp
|
1,550,497 | $68,981,610 | |
| 7 | INSM |
INSMED Inc
|
629,760 | $67,145,010 | |
| 8 | CRNX |
Crinetics Pharmaceuticals, Inc.
|
1,731,140 | $64,779,258 |
All Filings in REGN
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $81,683 | 131 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $92,716 | 120 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $91,852 | 119 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $64,661 | 115 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $42,525 | 81 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $57,714 | 91 | Shares | Sole | 2025-05-05 | |
| 2024-12-31 | $61,972 | 87 | Shares | Sole | 2025-02-05 | |
| 2024-09-30 | $91,457 | 87 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $83,031 | 79 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $70,261 | 73 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $51,819 | 59 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $47,731 | 58 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $23,711 | 33 | Shares | Sole | 2023-08-09 | |
| 2022-06-30 | $11,231 | 19 | Shares | Sole | 2022-08-09 | |
| 2022-03-31 | $6,285 | 9 | Shares | Sole | 2022-05-09 | |
| No filing history on record for this holder in this stock. | ||||||