ADAGE CAPITAL PARTNERS GP, L.L.C.
Position in REGN — Regeneron Pharmaceuticals, Inc.
CIK 1165408
Boston, MA
Position in REGN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$52,158,497
-$27,498,369 QoQ
Shares Held
83,649
-18.9% QoQ
Ownership
0.081%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
#123
of 1,322 holders
Holding Since
Mar 2020
25 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, 2026ADAGE CAPITAL PARTNERS GP, L.L.C. holds $4,240,035,723 across 126 Biotechnology names. REGN ranks #23 (1.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ROIV |
Roivant Sciences Ltd.
|
10,349,328 | $366,262,717 | |
| 2 | PRAX |
Praxis Precision Medicines, Inc.
|
1,015,480 | $339,972,549 | |
| 3 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
393,964 | $195,693,737 | |
| 4 | TNGX |
Tango Therapeutics, Inc.
|
5,600,000 | $175,056,000 | |
| 5 | BBIO |
BridgeBio Pharma, Inc.
|
2,252,000 | $167,728,960 | |
| 6 | SYRE |
Spyre Therapeutics, Inc.
|
1,722,300 | $152,905,794 | |
| 7 | TVTX |
Travere Therapeutics, Inc.
|
2,569,356 | $145,965,114 | |
| 8 | RPRX |
Royalty Pharma plc
|
2,500,000 | $140,175,000 |
All Filings in REGN
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $52,158,497 | 83,649 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $79,656,866 | 103,097 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $63,637,594 | 82,446 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $69,185,074 | 123,046 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $50,205,750 | 95,630 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $58,821,661 | 92,745 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $31,591,123 | 44,349 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $178,331,302 | 169,639 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $170,791,323 | 162,499 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $127,181,503 | 132,138 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $119,139,160 | 135,649 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $77,974,637 | 94,749 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $99,193,728 | 138,049 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $142,353,505 | 173,249 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $52,179,599 | 72,322 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $42,881,468 | 62,249 | Shares | Sole | 2022-11-14 | |
| 2022-03-31 | $65,965,070 | 94,449 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $60,404,256 | 95,649 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $57,785,007 | 95,484 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $54,014,169 | 96,706 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $22,902,814 | 48,406 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $48,603,764 | 100,606 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $56,949,778 | 101,736 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $94,100,053 | 150,886 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $32,265,226 | 66,078 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||