Regeneron Pharmaceuticals, Inc.
MX ˙ BMV ˙ US75886F1075
SecurityMX:REGN / Regeneron Pharmaceuticals, Inc.
InstitutionHeritage Wealth Advisors
Latest Disclosed Ownership28 shares
Latest Disclosed Value $ 21,634
Heritage Wealth Advisors ownership in REGN / Regeneron Pharmaceuticals, Inc.

On May 13, 2026 - Heritage Wealth Advisors filed a 13F-HR form disclosing ownership of 28 shares of Regeneron Pharmaceuticals, Inc. (MX:REGN) valued at $21,634 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 28 shares of Regeneron Pharmaceuticals, Inc.. This represents a change in shares of 0.00% 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)
2026-05-13 2026-03-31 13F Regeneron Pharmaceuticals COM 75886F107 28 0 0.00 22 0.00 0.0008
2026-02-13 2025-12-31 13F Regeneron Pharmaceuticals COM 75886F107 28 0 0.00 22 40.00 0.0008
2025-11-13 2025-09-30 13F Regeneron Pharmaceuticals COM 75886F107 28 0 0.00 16 7.14 0.0007
2025-08-11 2025-06-30 13F Regeneron Pharmaceuticals COM 75886F107 28 0 0.00 15 -17.65 0.0007
2025-05-08 2025-03-31 13F Regeneron Pharmaceuticals COM 75886F107 28 -29 -50.88 18 -57.50 0.0009
2025-02-12 2024-12-31 13F Regeneron Pharmaceuticals COM 75886F107 57 -4 -6.56 41 -37.50 0.0020
2024-11-12 2024-09-30 13F Regeneron Pharmaceuticals COM 75886F107 61 3 5.17 64 6.67 0.0030
2024-12-12 2024-06-30 13F/A-1 Regeneron Pharmaceuticals COM 75886F107 58 0 0.00 61 9.09 0.0028
2024-08-06 2024-06-30 13F Regeneron Pharmaceuticals COM 75886F107 58 0 61 0.0028
2024-12-12 2024-03-31 13F/A-1 Regeneron Pharmaceuticals COM 75886F107 58 -50 -46.30 56 -41.49 0.0025
2024-05-08 2024-03-31 13F Regeneron Pharmaceuticals COM 75886F107 32 -76 6 0.0003
2024-12-12 2023-12-31 13F/A-1 Regeneron Pharmaceuticals COM 75886F107 108 0 0.00 95 6.82 0.0047
2024-02-12 2023-12-31 13F Regeneron Pharmaceuticals COM 75886F107 116 8 102 0.0051
2024-12-12 2023-09-30 13F/A-1 Regeneron Pharmaceuticals COM 75886F107 108 0 0.00 89 14.29 0.0048
2023-11-09 2023-09-30 13F Regeneron Pharmaceuticals COM 75886F107 108 0 89 0.0048
2024-12-12 2023-06-30 13F/A-1 Regeneron Pharmaceuticals COM 75886F107 108 -3 -2.70 78 -15.38 0.0041
2023-08-09 2023-06-30 13F Regeneron Pharmaceuticals COM 75886F107 108 -3 78 0.0041
2023-05-04 2023-03-31 13F Regeneron Pharmaceuticals COM 75886F107 111 -20 -15.27 91 -3.19 0.0051
2024-12-12 2022-12-31 13F/A-1 Regeneron Pharmaceuticals COM 75886F107 131 81 162.00 95 176.47 0.0055
2023-02-07 2022-12-31 13F Regeneron Pharmaceuticals COM 75886F107 131 81 95 0.0055
2024-12-12 2022-09-30 13F/A-1 Regeneron Pharmaceuticals COM 75886F107 50 0 0.00 34 0.0025
2022-11-10 2022-09-30 13F Regeneron Pharmaceuticals COM 75886F107 50 0 0 0.0025
2022-08-04 2022-06-30 13F Regeneron Pharmaceuticals COM 75886F107 50 0 0.00 0 0.0021
2022-05-11 2022-03-31 13F Regeneron Pharmaceuticals COM 75886F107 50 0 0.00 0 0.0019
2022-03-28 2021-12-31 13F/A-1 Regeneron Pharmaceuticals COM 75886F107 50 0 0.00 0 -100.00 0.0018
2022-02-02 2021-12-31 13F Regeneron Pharmaceuticals COM 75886F107 50 0 32 0.0017
2021-11-02 2021-09-30 13F Regeneron Pharmaceuticals COM 75886F107 50 50 30 0.0019
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.