Regeneron Pharmaceuticals (REGN) Superinvestor holders
28 of the superinvestors we track hold Regeneron Pharmaceuticals (REGN) in their latest 13F filings, $6.7B in total.
Summary
The largest holder is Dodge & Cox, with $3.0B, 1.6% of the portfolio.
In their latest quarter: 4 opened a new position, 16 added, 6 trimmed.
Who holds it
Each investor's latest 13F filing, largest stake first. What a 13F shows.
| Investor | Last change | Shares | Value | % of portfolio | Filed for |
|---|---|---|---|---|---|
| Dodge & Cox | Added | 4,871,137 | $3.0B | 1.6% | Q2 2026 |
| Aziz Hamzaogullari Loomis Sayles & Co |
Trimmed | 1,859,172 | $1.2B | 1.5% | Q2 2026 |
| Cliff Asness AQR Capital Management |
Trimmed | 1,126,080 | $702M | 0.2% | Q2 2026 |
| Two Sigma Two Sigma Investments |
Trimmed | 656,124 | $409M | 0.3% | Q2 2026 |
| Man Group Man Group plc |
Added | 436,956 | $272M | 0.5% | Q2 2026 |
| Arrowstreet Capital | Added | 393,685 | $245M | 0.1% | Q2 2026 |
| Josef Lakonishok LSV Asset Management |
Trimmed | 246,126 | $187M | 0.3% | Q3 2026 |
| Acadian Acadian Asset Management |
Added | 179,971 | $136M | 0.2% | Q3 2026 |
| David Vogel Voloridge Investment Management |
Added | 163,963 | $102M | 0.4% | Q2 2026 |
| Mason Hawkins Southeastern Asset Management |
Added | 152,322 | $95M | 5.0% | Q2 2026 |
| Jim Simons Renaissance Technologies |
Added | 148,222 | $92M | 0.1% | Q2 2026 |
| Joel Greenblatt Gotham Asset Management |
Added | 105,165 | $66M | 0.2% | Q2 2026 |
| Jeremy Grantham GMO |
Added | 74,200 | $46M | 0.1% | Q2 2026 |
| Hersh Cohen ClearBridge Investments |
Trimmed | 63,636 | $40M | 0.0% | Q2 2026 |
| Ray Dalio Bridgewater Associates |
Added | 51,333 | $32M | 0.1% | Q2 2026 |
| Ensign Peak Ensign Peak Advisors |
Added | 48,022 | $30M | 0.0% | Q2 2026 |
| David Shaw D. E. Shaw & Co. |
Added | 38,477 | $24M | 0.0% | Q2 2026 |
| Bernard Horn Polaris Capital Management |
New position | 25,040 | $19M | 2.0% | Q3 2026 |
| Paul Marshall Marshall Wace |
Added | 23,000 | $14M | 0.0% | Q2 2026 |
| Alex Denner Sarissa Capital Management |
Held | 4,190 | $3M | 1.5% | Q2 2026 |
| Fayez Sarofim Fayez Sarofim & Co |
Held | 2,460 | $2M | 0.0% | Q2 2026 |
| Alan Howard Brevan Howard |
Added | 1,979 | $1M | 0.0% | Q2 2026 |
| Alec Litowitz Magnetar Capital |
Added | 1,340 | $835,543 | 0.0% | Q2 2026 |
| Ken Tropin Graham Capital Management |
New position | 861 | $536,868 | 0.0% | Q2 2026 |
| Mario Gabelli GAMCO Investors |
Added | 657 | $409,666 | 0.0% | Q2 2026 |
| Murray Stahl Horizon Kinetics LLC |
Trimmed | 645 | $402,183 | 0.0% | Q2 2026 |
| Richard Pzena Pzena Investment Management |
New position | 409 | $310,132 | 0.0% | Q3 2026 |
| Ken Fisher Fisher Investments |
New position | 347 | $263,910 | 0.0% | Q3 2026 |
Holders by quarter
| Quarter | Superinvestors holding it |
|---|---|
| Q2 2026 | 25 |
| Q1 2026 | 29 |
| Q4 2025 | 29 |
| Q3 2025 | 30 |
| Q2 2025 | 28 |
| Q1 2025 | 27 |
| Q4 2024 | 26 |
| Q3 2024 | 28 |
Questions about Regeneron Pharmaceuticals
Which superinvestors own Regeneron Pharmaceuticals?
28 of the superinvestors we track hold Regeneron Pharmaceuticals (REGN) in their latest 13F filings, $6.7B in total. Dodge & Cox, Aziz Hamzaogullari, Cliff Asness, Two Sigma, Man Group, Arrowstreet Capital.
Who is the largest superinvestor holder of REGN?
The largest holder is Dodge & Cox, with $3.0B, 1.6% of the portfolio.
From Regeneron Pharmaceuticals's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.