Regeneron Pharmaceuticals, Inc.
MX ˙ BMV ˙ US75886F1075
SecurityMX:REGN / Regeneron Pharmaceuticals, Inc.
InstitutionSequoia Financial Advisors, LLC
Latest Disclosed Ownership3,189 shares
Latest Disclosed Value $ 2,464,031
Sequoia Financial Advisors, LLC reports 8.14% increase in ownership of REGN / Regeneron Pharmaceuticals, Inc.

On April 30, 2026 - Sequoia Financial Advisors, LLC filed a 13F-HR form disclosing ownership of 3,189 shares of Regeneron Pharmaceuticals, Inc. (MX:REGN) valued at $2,464,031 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 3, 2026 disclosing 2,949 shares of Regeneron Pharmaceuticals, Inc.. This represents a change in shares of 8.14% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-04-30 2026-03-31 13F REGENERON PHARMACEUTICALS COM 75886F107 3,189 240 8.14 2,464 8.26 0.0138
2026-02-03 2025-12-31 13F REGENERON PHARMACEUTICALS COM 75886F107 2,949 295 11.12 2,276 52.55 0.0127
2025-10-29 2025-09-30 13F REGENERON PHARMACEUTICALS COM 75886F107 2,654 893 50.71 1,492 61.47 0.0091
2025-07-25 2025-06-30 13F REGENERON PHARMACEUTICALS COM 75886F107 1,761 146 9.04 925 -9.77 0.0063
2025-04-23 2025-03-31 13F REGENERON PHARMACEUTICALS COM 75886F107 1,615 -134 -7.66 1,024 -17.75 0.0079
2025-08-08 2024-12-31 13F/A-1 REGENERON PHARMACEUTICALS COM 75886F107 1,749 9 0.52 1,246 -31.93 0.0120
2025-02-07 2024-12-31 13F REGENERON PHARMACEUTICALS COM 75886F107 1,749 9 1,246 0.0120
2024-10-21 2024-09-30 13F REGENERON PHARMACEUTICALS COM 75886F107 1,740 218 14.32 1,829 14.38 0.0196
2024-07-15 2024-06-30 13F REGENERON PHARMACEUTICALS COM 75886F107 1,522 73 5.04 1,600 14.71 0.0193
2024-04-30 2024-03-31 13F REGENERON PHARMACEUTICALS COM 75886F107 1,449 -650 -30.97 1,395 -24.36 0.0173
2024-01-26 2023-12-31 13F REGENERON PHARMACEUTICALS COM 75886F107 2,099 900 75.06 1,844 86.92 0.0229
2023-11-08 2023-09-30 13F REGENERON PHARMACEUTICALS COM 75886F107 1,199 -1 -0.08 987 14.39 0.0173
2023-08-08 2023-06-30 13F REGENERON PHARMACEUTICALS COM 75886F107 1,200 -26 -2.12 862 -14.40 0.0148
2023-04-25 2023-03-31 13F REGENERON PHARMACEUTICALS COM 75886F107 1,226 174 16.54 1,007 32.85 0.0224
2023-02-10 2022-12-31 13F/A-1 REGENERON PHARMACEUTICALS COM 75886F107 1,052 668 173.96 759 186.04 0.0187
2023-01-18 2022-12-31 13F REGENERON PHARMACEUTICALS COM 75886F107 1,052 668 759 0.0171
2022-10-26 2022-09-30 13F REGENERON PHARMACEUTICALS COM 75886F107 384 -94 -19.67 265 -6.36 0.0084
2022-07-22 2022-06-30 13F REGENERON PHARMACEUTICALS COM 75886F107 478 -17 -3.43 283 -18.21 0.0080
2022-05-13 2022-03-31 13F REGENERON PHARMACEUTICALS COM 75886F107 495 93 23.13 346 36.22 0.0086
2022-02-22 2021-12-31 13F/A-1 REGENERON PHARMACEUTICALS COM 75886F107 402 402 254 0.0069
2022-02-11 2021-12-31 13F REGENERON PHARMACEUTICALS COM 75886F107 402 402 254 0.0046
2021-05-13 2021-03-31 13F REGENERON PHARMACEUTICALS COM 75886F107 0 -420 -100.00 0 -100.00
2021-02-12 2020-12-31 13F REGENERON PHARMACEUTICALS COM 75886F107 420 -37 -8.10 203 -20.70 0.0093
2020-10-23 2020-09-30 13F REGENERON PHARMACEUTICALS COM 75886F107 457 -100 -17.95 256 -26.22 0.0135
2020-08-25 2020-06-30 13F/A-1 REGENERON PHARMACEUTICALS COM 75886F107 557 38 7.32 347 37.15 0.0205
2020-08-11 2020-06-30 13F REGENERON PHARMACEUTICALS COM 75886F107 0 -519 347 20,546.7812
2020-05-11 2020-03-31 13F REGENERON PHARMACEUTICALS COM 75886F107 519 519 253 0.0187
2018-02-13 2017-12-31 13F REGENERON PHARMACEUTICALS COM 75886F107 0 -559 -100.00 0 -100.00
2017-11-13 2017-09-30 13F REGENERON PHARMACEUTICALS COM 75886F107 559 -153 -21.49 250 -28.57 0.0296
2017-08-09 2017-06-30 13F REGENERON PHARMACEUTICALS COM 75886F107 712 12 1.71 350 29.15 0.0434
2017-05-01 2017-03-31 13F REGENERON PHARMACEUTICALS COM 75886F107 700 0 0.00 271 5.45 0.0345
2017-02-14 2016-12-31 13F REGENERON PHARMACEUTICALS COM 75886F107 700 154 28.21 257 -13.18 0.0367
2016-03-11 2015-12-31 13F/A-1 REGENERON PHARMACEUTICALS COM 75886F107 546 19 3.61 296 20.82 0.1194
2015-11-13 2015-09-30 13F REGENERON PHARMACEUTICALS COM 75886F107 527 10 1.93 245 -7.20 0.1065
2015-08-03 2015-06-30 13F REGENERON PHARMACEUTICALS COM 75886F107 517 517 264 0.1115
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.