WELLINGTON MANAGEMENT GROUP LLP
Position in REGN — Regeneron Pharmaceuticals, Inc.
CIK 902219
Boston, MA
Position in REGN
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$1,419,694,318
+$906,813,723 QoQ
Shares Held
1,837,459
+176.5% QoQ
Ownership
1.75%
of shares outstanding
% of Portfolio
0.27%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 99.36608109351012.ToString("F0")%
None 0.6339189064898864.ToString("F0")%
Common Shares in REGN Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026WELLINGTON MANAGEMENT GROUP LLP holds $14,418,547,095 across 180 Biotechnology names. REGN ranks #2 (9.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
3,212,589 | $1,434,549,489 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
This page
|
1,837,459 | $1,419,694,318 | |
| 3 | ARGX |
Argenx SE
|
1,021,457 | $745,918,971 | |
| 4 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
1,935,925 | $640,539,501 | |
| 5 | RVMD |
Revolution Medicines, Inc.
|
6,027,819 | $586,205,394 | |
| 6 | CYTK |
Cytokinetics Inc
|
8,009,489 | $527,905,416 | |
| 7 | IONS |
Ionis Pharmaceuticals Inc
|
6,391,816 | $479,961,458 | |
| 8 | ASND |
Ascendis Pharma A/S
|
1,757,633 | $402,023,391 |
All Filings in REGN
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,419,694,318 | 1,837,459 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $512,880,595 | 664,465 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $4,284,496 | 7,620 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $37,356,375 | 71,155 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $11,044,479 | 17,414 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $106,015,358 | 148,829 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $463,185,801 | 440,609 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $1,115,974,190 | 1,061,791 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $1,051,977,502 | 1,092,975 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $967,954,622 | 1,102,090 | Shares | Defined | 2024-02-12 | |
| 2023-09-30 | $1,240,106,076 | 1,506,885 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $1,199,194,395 | 1,668,932 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $1,452,646,001 | 1,767,919 | Shares | Defined | 2023-05-12 | |
| 2022-12-31 | $1,743,298,044 | 2,416,247 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $1,683,108,490 | 2,443,289 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $1,408,631,456 | 2,382,947 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $2,018,575,575 | 2,890,203 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $1,979,673,103 | 3,134,775 | Shares | Defined | 2022-02-11 | |
| 2021-09-30 | $2,038,285,572 | 3,368,065 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $2,266,210,138 | 4,057,382 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $1,834,070,428 | 3,876,380 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $1,753,941,477 | 3,630,522 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $1,947,209,841 | 3,478,527 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $2,284,971,273 | 3,663,868 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $1,004,294,849 | 2,056,759 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||