Regeneron Pharmaceuticals, Inc.
MX ˙ BMV ˙ US75886F1075
SecurityMX:REGN / Regeneron Pharmaceuticals, Inc.
InstitutionWealth Alliance
Latest Disclosed Ownership485 shares
Latest Disclosed Value $ 374,666
Wealth Alliance reports 5.43% increase in ownership of REGN / Regeneron Pharmaceuticals, Inc.

On May 14, 2026 - Wealth Alliance filed a 13F-HR form disclosing ownership of 485 shares of Regeneron Pharmaceuticals, Inc. (MX:REGN) valued at $374,666 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 460 shares of Regeneron Pharmaceuticals, Inc.. This represents a change in shares of 5.43% 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)
2026-05-14 2026-03-31 13F REGENERON PHARMACEUTICALS COM 75886F107 485 25 5.43 375 5.35 0.0370
2026-02-13 2025-12-31 13F REGENERON PHARMACEUTICALS COM 75886F107 460 0 0.00 355 37.60 0.0348
2025-11-07 2025-09-30 13F REGENERON PHARMACEUTICALS COM 75886F107 460 51 12.47 259 20.56 0.0266
2025-08-08 2025-06-30 13F REGENERON PHARMACEUTICALS COM 75886F107 409 0 0.00 215 -17.37 0.0240
2025-05-05 2025-03-31 13F REGENERON PHARMACEUTICALS COM 75886F107 409 -48 -10.50 259 -20.31 0.0314
2025-02-03 2024-12-31 13F REGENERON PHARMACEUTICALS COM 75886F107 457 -104 -18.54 326 -44.82 0.0389
2024-11-04 2024-09-30 13F REGENERON PHARMACEUTICALS COM 75886F107 561 -10 -1.75 590 -1.83 0.0704
2024-08-09 2024-06-30 13F REGENERON PHARMACEUTICALS COM 75886F107 571 -13 -2.23 600 6.76 0.0775
2024-05-10 2024-03-31 13F REGENERON PHARMACEUTICALS COM 75886F107 584 -29 -4.73 562 4.66 0.0737
2024-01-30 2023-12-31 13F REGENERON PHARMACEUTICALS COM 75886F107 613 -26 -4.07 538 2.29 0.0754
2023-11-09 2023-09-30 13F REGENERON PHARMACEUTICALS COM 75886F107 639 -16 -2.44 525 11.70 0.0829
2023-08-02 2023-06-30 13F REGENERON PHARMACEUTICALS COM 75886F107 655 -37 -5.35 471 -17.25 0.0704
2023-05-11 2023-03-31 13F REGENERON PHARMACEUTICALS COM 75886F107 692 -21 -2.95 569 10.51 0.0921
2023-02-13 2022-12-31 13F REGENERON PHARMACEUTICALS Stock 75886F107 713 67 10.37 514 15.51 0.0913
2022-11-14 2022-09-30 13F REGENERON PHARMACEUTICALS Stock 75886F107 646 92 16.61 445 36.09 0.0878
2022-10-11 2022-06-30 13F/A-1 REGENERON PHARMACEUTICALS Stock 75886F107 554 554 327 0.0628
2022-08-15 2022-06-30 13F REGENERON PHARMACEUTICALS Stock 75886F107 400 400 236 0.0287
2021-05-17 2021-03-31 13F REGENERON PHARMACEUTICALS COM Stock 75886F107 0 -473 -100.00 0 -100.00
2021-02-11 2020-12-31 13F REGENERON PHARMACEUTICALS COM Stock 75886F107 473 23 5.11 229 -9.13 0.0675
2020-12-01 2020-09-30 13F/A-1 REGENERON PHARMACEUTICALS COM Stock 75886F107 450 22 5.14 252 -5.62 0.0906
2020-11-13 2020-09-30 13F REGENERON PHARMACEUTICALS COM Stock 75886F107 450 22 252 74,122.2252
2020-08-14 2020-06-30 13F REGENERON PHARMACEUTICALS COM Stock 75886F107 428 428 267 0.1055
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.