Guru Ownership Over Time
Guru Analysis for Regeneron Pharmaceuticals, Inc. (REGN)
Regeneron Pharmaceuticals, Inc. (REGN), a key player in the Healthcare sector, continues to attract institutional attention.
As of Q3 2025, a total of 12 Super Investors (Gurus) hold positions in the company, with a combined stake valued at approximately $1.33 B.
Top institutional holders include Cliff Asness and Renaissance Technologies.
Institutional sentiment is currently Strongly Bullish. This is evidenced by a $568.66 M net inflow during the quarter.
Recent activity highlights Cliff Asness who increased their stake by 528.7%. Conversely, Mason Hawkins reduced exposure by 10.0%.
| Portfolio Manager | % of portfolio | Activity | Shares | Value | Peroid |
|---|---|---|---|---|---|
| 0.26% | Add 528.7% | 721,354 | $405.6 M | Q3 2025 | |
| 0.20% | Add 510.6% | 275,162 | $154.72 M | Q3 2025 | |
| 0.52% | Add 164.3% | 235,381 | $132.35 M | Q3 2025 | |
| 0.19% | Add 40.8% | 201,499 | $113.3 M | Q3 2025 | |
| 4.15% | Reduce -10.0% | 144,607 | $81.31 M | Q3 2025 | |
| 0.21% | Add 211.9% | 84,230 | $47.36 M | Q3 2025 | |
| 0.10% | Reduce -5.8% | 61,474 | $34.56 M | Q3 2025 | |
| 0.07% | New Buy | 25,535 | $14.36 M | Q3 2025 | |
| 0.04% | Reduce -3.7% | 12,142 | $6.83 M | Q3 2025 | |
| 0.00% | Add 6.5% | 4,637 | $2.61 M | Q3 2025 | |
| 0.01% | Add 4.3% | 735 | $413,268 | Q3 2025 | |
| 0.00% | Add 7.3% | 646 | $363,226 | Q3 2025 |
| Period | Portfolio Manager | Activity | Share change | % change to portfolio |
|---|
| Period | Portfolio Manager | Activity | Share change | % change to portfolio |
|---|
| Period | Portfolio Manager | Activity | Share change | % change to portfolio |
|---|
| Portfolio Manager | Option Type | % of portfolio | Activity | Shares | Value | Period |
|---|
Key Holders
Top 5 by Value
Top 5 by Conviction
Recent Activity Breakdown(Q3 2025)
Guru Consensus (Q3 2025)
FAQs for Regeneron Pharmaceuticals, Inc. (REGN)
Top Guru holders include Cliff Asness ($405.6 M), Renaissance Technologies ($154.72 M), Ray Dalio ($132.35 M). Collectively, tracked Gurus hold 1.77 M shares.
Based on recent 13F filings, the sentiment is **Positive (Net Buy)**. There was a net inflow of $568.66 M, with 9 Gurus buying and 5 Gurus selling.
In the recent quarter, 3 Gurus reduced their positions, and 2 Gurus sold out of REGN completely. Total sell value was $63.65 M.
Yes, 1 Gurus opened new positions in REGN, and 8 added to their existing holdings. Total buy value was $632.3 M.