13F

Position

Fidelity in Regeneron Pharmaceuticals, Inc.

Back to the book · All holders of REGN

Estimated mark uses implied 13F prices (value ÷ shares). Adds are treated as happening at this quarter’s mark; cuts at last quarter’s. Share jumps can be splits, not buys. This is not realized P&L.

Latest estimated mark −$124M$772.64$623.54

QuarterSharesValueImplied pxEst. markFlowWeight
Q4 20252.32M$1.79B0.1%
Q1 20261.52M$1.17B$772.64$1.17M−$618.6M0.1%
Q2 2026832K$518.8M$623.54−$124M−$530.2M0.0%