Regeneron Pharmaceuticals, Inc. (REGN) — Hedge Fund Ownership Q4 2025
REGN
- Regeneron Pharmaceuticals, Inc. (REGN) is held by 3 of 81 tracked hedge funds, with Longleaf Partners / Southeastern Asset Management (6%) and Sound Shore Management (4%) holding the largest stakes, indicating limited hedge fund interest relative to peers.
- The biggest increases in REGN holdings came from Sound Shore Management (+53%) and Dodge & Cox (+1%), highlighting conviction.
- Overall, hedge funds increased exposure to Regeneron Pharmaceuticals, Inc. (REGN) by +3% vs the prior quarter and +98% vs prior year.
| # | Fund | % of Portfolio † | Shares † | Shares vs Prior Quarter † | Shares vs Prior Year † | Aggregate Value † | Reported Price * | Option |
|---|---|---|---|---|---|---|---|---|
| 1 |
Longleaf Partners / Southeastern Asset Management
|
5.70% | 166K | +14.65% | — | $128.0M | $771.87 | — |
| 2 |
Sound Shore Management Harry Burn
|
4.32% | 176K | +52.91% | — | $135.8M | $771.87 | — |
| 3 |
Dodge & Cox
|
1.92% | 4.6M | +1.00% | +98.01% | $3.55B | $771.87 | — |
| 3 | Total | — | 4.9M | +2.65% | +98.01% | $3.81B | — | — |
* Reported price is not an actual purchase or sale price. It is the price as of the last portfolio date.
† Portfolio value, share counts, and period-over-period changes exclude options positions (PUT/CALL), which are shown in the Option column for reference only.
† Portfolio value, share counts, and period-over-period changes exclude options positions (PUT/CALL), which are shown in the Option column for reference only.