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REGN - Regeneron Pharmaceuticals, Inc.

This page shows which of the focused investors we track hold REGN and how their positions changed, so you can see how much conviction the group has in the stock.

In Q2 2025 it was held by 4 managers with an aggregate reported value of $2.21B, which is 0.19% of the combined portfolio.

As of Q2 2025, 4 tracked institutional managers held REGN (Regeneron Pharmaceuticals, Inc.) with an aggregate reported value of $2.21B0.19% of the combined AlphaBaseline portfolio.

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Source
Curated SEC 13F filings
Period
Q2 2025
Ticker
REGN

13F data is delayed and excludes shorts/non-13F assets.

Long holders

1Dodge & Cox - Dodge & Cox1.13%Add +64.6%3,826,283$2.01B
2Mason Hawkins - Southeastern Asset Management4.25%Add +39.8%160,581$84.31M
3Michael Burry - Scion Asset Management14.00%New15,000$7.88M

Call holders — bullish via leverage

1 manager holds call options on REGN — a right to buy at strike. Notional value, not premium.

1Michael Burry - Scion Asset ManagementNew200,000$105M
Loading holder history for REGN