Regeneron Pharmaceuticals, Inc.
MX ˙ BMV ˙ US75886F1075
SecurityMX:REGN / Regeneron Pharmaceuticals, Inc.
InstitutionJacobs & Co/ca
Latest Disclosed Ownership10,277 shares
Latest Disclosed Value $ 7,940
Jacobs & Co/ca reports 0.47% decrease in ownership of REGN / Regeneron Pharmaceuticals, Inc.

On April 7, 2026 - Jacobs & Co/ca filed a 13F-HR form disclosing ownership of 10,277 shares of Regeneron Pharmaceuticals, Inc. (MX:REGN) valued at $7,940 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 5, 2026 disclosing 10,326 shares of Regeneron Pharmaceuticals, Inc.. This represents a change in shares of -0.47% 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)
2026-04-07 2026-03-31 13F Regeneron Pharms COM 75886F107 10,277 -49 -0.47 8 0.00 0.7837
2026-01-05 2025-12-31 13F RegeneronPharmsInc COM 75886F107 10,326 164 1.61 8 40.00 0.7521
2025-10-01 2025-09-30 13F Regeneron Pharms COM 75886F107 10,162 -132 -1.28 6 0.00 0.5465
2025-07-02 2025-06-30 13F Regeneron Pharms COM 75886F107 10,294 244 2.43 5 -16.67 0.5362
2025-04-03 2025-03-31 13F RegeneronPharmsInc COM 75886F107 10,050 859 9.35 6 0.00 0.6795
2025-01-10 2024-12-31 13F RegeneronPharmsInc COM 75886F107 9,191 64 0.70 7 -33.33 0.6660
2024-10-01 2024-09-30 13F Regeneron Pharms COM 75886F107 9,127 -290 -3.08 10 0.00 0.9593
2024-07-12 2024-06-30 13F Regeneron Pharms COM 75886F107 9,417 -59 -0.62 10 0.00 1.0372
2024-04-12 2024-03-31 13F RegeneronPharmsInc COM 75886F107 9,476 -45 -0.47 9 12.50 0.9654
2024-01-18 2023-12-31 13F RegeneronPharmsInc COM 75886F107 9,521 -161 -1.66 8 14.29 0.9485
2023-10-13 2023-09-30 13F RegeneronPharmsInc COM 75886F107 9,682 -270 -2.71 8 0.00 0.9928
2023-07-11 2023-06-30 13F Regeneron Pharms COM 75886F107 9,952 -295 -2.88 7 -12.50 0.8502
2023-04-17 2023-03-31 13F Regeneron Pharms COM 75886F107 10,247 -1,019 -9.04 8 0.00 1.0394
2023-01-13 2022-12-31 13F Regeneron Pharms COM 75886F107 11,266 -416 -3.56 8 -99.90 1.0579
2022-10-11 2022-09-30 13F Regeneron Pharms COM 75886F107 11,682 108 0.93 8,047 17.63 1.1568
2022-07-19 2022-06-30 13F Regeneron Pharms COM 75886F107 11,574 -697 -5.68 6,841 -20.18 0.9161
2022-04-14 2022-03-31 13F Regeneron Pharms COM 75886F107 12,271 -419 -3.30 8,570 6.95 0.9489
2022-01-21 2021-12-31 13F Regeneron Pharms COM 75886F107 12,690 341 2.76 8,013 7.23 0.8309
2021-10-13 2021-09-30 13F Regeneron Pharms COM 75886F107 12,349 169 1.39 7,473 9.85 0.8595
2021-07-15 2021-06-30 13F Regeneron Pharms COM 75886F107 12,180 145 1.20 6,803 19.48 0.7858
2021-04-05 2021-03-31 13F Regeneron Pharms COM 75886F107 12,035 1,177 10.84 5,694 8.56 0.6959
2021-01-12 2020-12-31 13F Regeneron Pharms COM 75886F107 10,858 1,750 19.21 5,245 2.88 0.6813
2020-12-03 2020-09-30 13F Regeneron Pharms COM 75886F107 9,108 4,304 89.59 5,098 70.16 0.7396
2020-07-09 2020-06-30 13F Regeneron Pharms COM 75886F107 4,804 -1,160 -19.45 2,996 2.88 0.4876
2020-04-13 2020-03-31 13F Regeneron Pharms COM 75886F107 5,964 5,964 2,912 0.5620
2018-04-27 2018-03-31 13F Roche Hldg Ltd Spon Adrf COM 75886F107 0 -31,557 -100.00 0 -100.00
2018-02-09 2017-12-31 13F Roche Hldg Ltd Spon Adrf COM 75886F107 31,557 -3,900 -11.00 996 -12.17 0.1800
2017-11-14 2017-09-30 13F Roche Hldg Ltd Spon Adrf COM 75886F107 35,457 -2,440 -6.44 1,134 -5.89 0.2132
2017-07-13 2017-06-30 13F Roche Hldg Ltd Spon Adrf COM 75886F107 37,897 -275 -0.72 1,205 -1.39 0.2373
2017-04-12 2017-03-31 13F Roche Hldg Ltd Spon Adrf COM 75886F107 38,172 -14,032 -26.88 1,222 -17.93 0.2511
2017-01-18 2016-12-31 13F Regeneron Pharms COM 75886F107 52,204 51,345 5,977.30 1,489 331.59 0.3230
2016-10-11 2016-09-30 13F Regeneron Pharms COM 75886F107 859 859 345 0.0769
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.