Regeneron Pharmaceuticals, Inc. (REGN) — Hedge Fund Ownership Q1 2026
REGN
- Regeneron Pharmaceuticals, Inc. (REGN) is held by 3 of 82 tracked hedge funds, with Longleaf Partners / Southeastern Asset Management (5%) and Sound Shore Management (4%) holding the largest stakes, indicating limited hedge fund interest relative to peers.
- The biggest decreases in REGN holdings came from Dodge & Cox (-3%) and Longleaf Partners / Southeastern Asset Management (-21%), suggesting profit-taking or de-risking.
- Overall, hedge funds decreased exposure to Regeneron Pharmaceuticals, Inc. (REGN) by -4% vs the prior quarter and +88% 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
|
4.97% | 131K | -21.19% | +13.74% | $101.0M | $772.64 | — |
| 2 |
Sound Shore Management Harry Burn
|
3.91% | 151K | -14.17% | — | $116.6M | $772.64 | — |
| 3 |
Dodge & Cox
|
1.89% | 4.5M | -3.00% | +91.83% | $3.44B | $772.64 | — |
| 3 | Total | — | 4.7M | -4.01% | +88.15% | $3.66B | — | — |
* 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.