Regeneron Pharmaceuticals, Inc.
MX ˙ BMV ˙ US75886F1075
SecurityMX:REGN / Regeneron Pharmaceuticals, Inc.
InstitutionWarren Averett Asset Management, LLC
Latest Disclosed Ownership5,895 shares
Latest Disclosed Value $ 4,555,058
Warren Averett Asset Management, LLC reports 122.87% increase in ownership of REGN / Regeneron Pharmaceuticals, Inc.

On May 15, 2026 - Warren Averett Asset Management, LLC filed a 13F-HR form disclosing ownership of 5,895 shares of Regeneron Pharmaceuticals, Inc. (MX:REGN) valued at $4,555,058 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 2,645 shares of Regeneron Pharmaceuticals, Inc.. This represents a change in shares of 122.87% 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)
2026-05-15 2026-03-31 13F REGENERON PHARMACEUTICALS COM 75886F107 5,895 3,250 122.87 4,555 123.17 0.0323
2026-02-17 2025-12-31 13F REGENERON PHARMACEUTICALS COM 75886F107 2,645 776 41.52 2,042 94.38 0.0165
2025-11-14 2025-09-30 13F REGENERON PHARMACEUTICALS COM 75886F107 1,869 521 38.65 1,051 48.51 0.0105
2025-08-14 2025-06-30 13F REGENERON PHARMACEUTICALS COM 75886F107 1,348 -78 -5.47 708 -21.79 0.0078
2025-05-15 2025-03-31 13F REGENERON PHARMACEUTICALS COM 75886F107 1,426 146 11.41 904 -0.77 0.0110
2025-02-14 2024-12-31 13F REGENERON PHARMACEUTICALS COM 75886F107 1,280 239 22.96 912 -16.73 0.0141
2024-11-14 2024-09-30 13F REGENERON PHARMACEUTICALS COM 75886F107 1,041 -5 -0.48 1,094 -0.45 0.0202
2024-08-14 2024-06-30 13F REGENERON PHARMACEUTICALS COM 75886F107 1,046 8 0.77 1,099 10.01 0.0216
2024-05-15 2024-03-31 13F REGENERON PHARMACEUTICALS COM 75886F107 1,038 268 34.81 999 47.78 0.0235
2024-02-14 2023-12-31 13F REGENERON PHARMACEUTICALS COM 75886F107 770 -12 -1.53 676 5.13 0.0253
2023-11-14 2023-09-30 13F REGENERON PHARMACEUTICALS COM 75886F107 782 -54 -6.46 644 7.17 0.0281
2023-08-15 2023-06-30 13F REGENERON PHARMACEUTICALS COM 75886F107 836 836 601 0.0264
2017-10-30 2017-09-30 13F REGENERON PHARMACEUTICALS COM 75886F107 0 -431 -100.00 0 -100.00
2017-07-27 2017-06-30 13F REGENERON PHARMACEUTICALS COM 75886F107 431 431 212 0.0532
2015-01-15 2014-12-31 13F REGENERON PHARMACEUTICALS COM 75886F107 0 -30 -100.00 0 -100.00
2014-10-28 2014-09-30 13F REGENERON PHARMACEUTICALS COM 75886F107 30 0 0.00 11 37.50 0.0059
2014-07-29 2014-06-30 13F REGENERON PHARMACEUTICALS COM 75886F107 30 2 7.14 8 0.00 0.0033
2014-04-28 2014-03-31 13F REGENERON PHARMACEUTICALS COM 75886F107 28 28 8 0.0036
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.