Which hedge funds own REGN? REGENERON PHARMACEUTICALS, Q2 2026 13F holders
79 tracked hedge funds disclosed a position in REGN (REGENERON PHARMACEUTICALS) in their Q2 2026 13F filings, worth $2.9bn in total. The largest holder by portfolio weight is Bronte Capital Management Pty Ltd. at 11.4% of its book. 15 opened a new position this quarter: Sio Capital Management, LLC, Aquatic Capital Management LLC, Oxford Asset Management LLP, Campbell & CO Investment Adviser LLC. 18 exited: Arrowpoint Investment Partners (Singapore) Pte. Ltd., Polar Capital Holdings Plc, Gator Capital Management, LLC.
- 79
- Holders Tracked managers whose filing for the quarter reports a long equity position in the security.
- 15
- New this quarter Holders whose previous filing (at most two quarters earlier) did not report the security.
- 18
- Exited this quarter Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
- $51.0m
- Inflow, new holders Combined value of the positions the new holders reported for the quarter.
- $212m
- Outflow, exits Combined value the exiting managers reported for the security in their previous filing.
- $2.9bn
- Combined value Sum of the holders' reported positions in the security.
- 6.4%
- Share of managers holding Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.
Holders, Q2 2026
Exited since the previous filing
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 2.8% | $1.9m |
| Polar Capital Holdings Plc | 0.6% | $149m |
| Gator Capital Management, LLC | 0.5% | $2.3m |
| Cinctive Capital Management LP | 0.5% | $7.2m |
| Rock Springs Capital Management LP | 0.5% | $7.8m |
| Orbimed Advisors LLC | 0.2% | $11.4m |
| Verdad Advisers, LP | 0.2% | $219k |
| Lecap Asset Management Ltd | 0.2% | $630k |
| Freestone Grove Partners LP | 0.2% | $23.7m |
| Lombard Odier Asset Management (USA) Corp | 0.2% | $305k |
| Persistent Asset Partners Ltd | 0.1% | $309k |
| Alpine Woods Capital Investors, LLC | 0.06% | $247k |
| Patton Fund Management, Inc. | 0.05% | $302k |
| SummitTX Capital, L.P. | 0.04% | $1.3m |
| ExodusPoint Capital Management, LP | 0.03% | $2.9m |
| Lighthouse Investment Partners, LLC | 0.01% | $375k |
| Weiss Asset Management LP | 0.0% | $260k |
| Point72 Asset Management, L.P. | 0.0% | $1.7m |
Ownership over time
Who discovered REGN first? Beta
The run: Q4 2011 → Q4 2015, +879%
| Sands Capital high conviction | Q3 2013 | – | +2.6 pts |
| Polen Capital high conviction | Q3 2014 | – | +2.0 pts |
| Bridger Management, LLC high conviction | Q1 2020 | – | +1.4 pts |
| Viking Global Investors LP | Q2 2014 | – | +0.9 pts |
| Marvin & Palmer Associates Inc | Q3 2014 | – | +0.9 pts |
| Axiom Investors LLC | Q3 2014 | – | +0.6 pts |
| Mariner Investment Group LLC | Q2 2015 | – | +0.1 pts |
| Sabby Management, LLC high conviction | Q3 2016 | – | +0.1 pts |
Split-adjusted quarter-end prices, excluding dividends. They describe the stock while each manager held it, not the return it earned.