Position in REGN
as of Mar 31, 2026
· filed May 7, 2026
Position Value
$28,135,685
-$90,057 QoQ
Shares Held
36,415
-0.4% QoQ
Ownership
0.035%
of shares outstanding
% of Portfolio
1.63%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 94.24962240834822.ToString("F0")%
Shared 0.ToString("F0")%
None 5.750377591651792.ToString("F0")%
Common Shares in REGN Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026GRANDFIELD & DODD, LLC holds $47,624,275 across 12 Biotechnology names. REGN ranks #1 (59.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | REGN |
Regeneron Pharmaceuticals, Inc.
This page
|
36,415 | $28,135,685 | |
| 2 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
21,704 | $9,691,704 | |
| 3 | IONS |
Ionis Pharmaceuticals Inc
|
37,326 | $2,802,809 | |
| 4 | INCY |
Incyte Corp
|
20,885 | $1,965,696 | |
| 5 | EXEL |
Exelixis, Inc.
|
26,439 | $1,133,968 | |
| 6 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
3,081 | $1,019,410 | |
| 7 | BMRN |
Biomarin Pharmaceutical Inc
|
17,861 | $1,008,967 | |
| 8 | GMAB |
Genmab A/S
|
37,163 | $997,083 |
All Filings in REGN
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25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $28,135,685 | 36,415 | Shares | Sole | 2026-05-07 | |
| 2025-12-31 | $28,225,742 | 36,568 | Shares | Sole | 2026-02-10 | |
| 2025-09-30 | $20,495,303 | 36,451 | Shares | Sole | 2025-10-30 | |
| 2025-06-30 | $18,482,625 | 35,205 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $21,060,875 | 33,207 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $23,219,108 | 32,596 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $33,984,486 | 32,328 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $33,986,106 | 32,336 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $31,066,289 | 32,277 | Shares | Sole | 2024-05-06 | |
| 2023-12-31 | $28,282,694 | 32,202 | Shares | Sole | 2024-01-31 | |
| 2023-09-30 | $26,533,876 | 32,242 | Shares | Sole | 2023-10-26 | |
| 2023-06-30 | $22,618,920 | 31,479 | Shares | Sole | 2023-08-08 | |
| 2023-03-31 | $25,410,144 | 30,925 | Shares | Sole | 2023-04-28 | |
| 2022-12-31 | $21,988,129 | 30,476 | Shares | Sole | 2023-01-20 | |
| 2022-09-30 | $20,853,472 | 30,272 | Shares | Sole | 2022-11-04 | |
| 2022-06-30 | $17,304,739 | 29,274 | Shares | Sole | 2022-08-01 | |
| 2022-03-31 | $20,096,337 | 28,774 | Shares | Sole | 2022-04-19 | |
| 2021-12-31 | $17,554,361 | 27,797 | Shares | Sole | 2022-02-08 | |
| 2021-09-30 | $15,753,440 | 26,031 | Shares | Sole | 2021-10-28 | |
| 2021-06-30 | $12,084,571 | 21,636 | Shares | Sole | 2021-07-28 | |
| 2021-03-31 | $8,782,424 | 18,562 | Shares | Sole | 2021-04-22 | |
| 2020-12-31 | $8,577,618 | 17,755 | Shares | Sole | 2021-01-29 | |
| 2020-09-30 | $9,331,532 | 16,670 | Shares | Sole | 2020-11-03 | |
| 2020-06-30 | $10,390,632 | 16,661 | Shares | Sole | 2020-07-24 | |
| 2020-03-31 | $8,341,946 | 17,084 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||