Position in REGN
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$241,908,173
+$1,727,703 QoQ
Shares Held
313,093
+0.6% QoQ
Ownership
0.299%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 99.94187030690561.ToString("F0")%
Shared 0.ToString("F0")%
None 0.058129693094384094.ToString("F0")%
Common Shares in REGN Over Time
Shares Held
Position Value (USD)
Derivatives in REGN
reported options exposure · as of Dec 31, 2024CallValue
$6,482,203
CallShares
9,100
PutValue
$2,136,990
PutShares
3,000
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Biotechnology
Healthcare · as of Mar 31, 2026BARCLAYS PLC holds $1,494,004,783 across 361 Biotechnology names. REGN ranks #2 (16.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
663,263 | $296,173,457 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
This page
|
313,093 | $241,908,173 | |
| 3 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
220,623 | $72,997,531 | |
| 4 | MRNA |
Moderna, Inc.
|
932,269 | $47,359,264 | |
| 5 | INSM |
INSMED Inc
|
275,731 | $45,087,531 | |
| 6 | ROIV |
Roivant Sciences Ltd.
|
1,415,848 | $39,218,988 | |
| 7 | RVMD |
Revolution Medicines, Inc.
|
383,179 | $37,264,156 | |
| 8 | TERN |
Terns Pharmaceuticals, Inc.
|
669,601 | $35,301,364 |
All Filings in REGN
Export CSV
39 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $241,908,173 | 313,093 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $240,180,470 | 311,167 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $183,255,599 | 325,921 | Shares | Sole | 2026-03-31 | |
| 2025-06-30 | $253,588,650 | 483,026 | Shares | Sole | 2026-02-27 | |
| 2025-03-31 | $203,814,248 | 321,357 | Shares | Defined | 2026-03-17 | |
| 2024-12-31 | $6,482,203 | 9,100 | Call | Sole | 2026-03-19 | |
| 2024-12-31 | $2,136,990 | 3,000 | Put | Sole | 2026-03-19 | |
| 2024-12-31 | $274,373,843 | 385,178 | Shares | Sole | 2026-03-19 | |
| 2024-09-30 | $9,356,036 | 8,900 | Call | Sole | 2026-03-31 | |
| 2024-09-30 | $433,896,154 | 412,747 | Shares | Defined | 2026-03-31 | |
| 2024-09-30 | $3,784,464 | 3,600 | Put | Sole | 2026-03-31 | |
| 2024-06-30 | $367,981,366 | 350,115 | Shares | Sole | 2026-03-23 | |
| 2024-03-31 | $330,728,887 | 343,618 | Shares | Sole | 2026-03-24 | |
| 2023-12-31 | $261,938,573 | 298,237 | Shares | Defined | 2026-03-24 | |
| 2023-09-30 | $209,747,813 | 254,870 | Shares | Defined | 2026-03-26 | |
| 2023-06-30 | $200,461,161 | 278,984 | Shares | Defined | 2026-03-27 | |
| 2023-03-31 | $144,856,309 | 176,295 | Shares | Defined | 2026-03-30 | |
| 2022-12-31 | $164,625,257 | 228,174 | Shares | Defined | 2026-03-30 | |
| 2022-09-30 | $107,343,853 | 155,826 | Shares | Defined | 2022-11-03 | |
| 2022-06-30 | $4,137,910 | 7,000 | Call | Sole | 2022-08-12 | |
| 2022-06-30 | $26,305,285 | 44,500 | Put | Sole | 2022-08-12 | |
| 2022-06-30 | $71,078,651 | 120,242 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $112,298,950 | 160,790 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $309,197,874 | 489,609 | Shares | Defined | 2022-02-23 | |
| 2021-09-30 | $192,000,616 | 317,262 | Shares | Sole | 2021-11-09 | |
| 2021-06-30 | $99,307,293 | 177,798 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $14,194,200 | 30,000 | Put | Sole | 2021-05-13 | |
| 2021-03-31 | $7,097,100 | 15,000 | Call | Sole | 2021-05-13 | |
| 2021-03-31 | $74,866,359 | 158,233 | Shares | Defined | 2021-05-13 | |
| 2020-12-31 | $4,444,612 | 9,200 | Put | Sole | 2021-02-11 | |
| 2020-12-31 | $83,665,954 | 173,182 | Shares | Defined | 2021-02-11 | |
| 2020-09-30 | $80,422,471 | 143,668 | Shares | Sole | 2020-11-12 | |
| 2020-09-30 | $1,063,582 | 1,900 | Call | Sole | 2020-11-12 | |
| 2020-09-30 | $3,582,592 | 6,400 | Put | Sole | 2020-11-12 | |
| 2020-06-30 | $5,363,390 | 8,600 | Put | Sole | 2020-08-12 | |
| 2020-06-30 | $104,054,754 | 166,848 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $80,689,919 | 165,250 | Shares | Sole | 2020-05-13 | |
| 2020-03-31 | $12,109,592 | 24,800 | Call | Sole | 2020-05-13 | |
| 2020-03-31 | $14,355,726 | 29,400 | Put | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||