REGENERON PHARMACEUTICALS (REGN) Institutional Ownership Changes & 13F Activity
REGENERON PHARMACEUTICALS (REGN). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Amundi, Invesco Ltd., Bank Of America Corp, Catalio Capital Management, Lp, and M&T Bank Corp.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Op Asset Management Ltd | Buy | +2,424 | +20.7% | 14,139 | $10.92M | Q1 2026 | Sep 28, 2026 |
| M&T Bank Corp | Sell | -8,939 | -57.0% | 6,750 | $5.22M | Q1 2026 | Sep 04, 2026 |
| Catalio Capital Management, Lp | Sell | -29,797 | -100.0% | 0 | $0.00 | Q1 2026 | Sep 02, 2026 |
| Cornerstone Financial Management Llc | Buy | +4 | +57.1% | 11 | $8.50K | Q1 2026 | Aug 28, 2026 |
| Redwood Investment Management, Llc | Sell | -1,422 | -100.0% | 0 | $0.00 | Q1 2026 | Aug 26, 2026 |
| Dakota Wealth Management | Sell | -979 | -31.3% | 2,147 | $1.66M | Q1 2026 | Aug 26, 2026 |
| Ensign Peak Advisors, Inc | Buy | +4,203 | +28.3% | 19,052 | $14.72M | Q1 2026 | Aug 18, 2026 |
| Varma Mutual Pension Insurance Co | Buy | +1,000 | +5.9% | 18,088 | $13.98M | Q1 2026 | Aug 13, 2026 |
| Mirae Asset Global Investments Co., Ltd. | Buy | +7,404 | +9.6% | 84,608 | $65.37M | Q1 2026 | Aug 12, 2026 |
| Militia Capital Management Llc | Buy | +3,000 | — | 3,000 | $2.32M | Q1 2026 | Aug 12, 2026 |
| Algert Global Llc | Sell | -636 | -100.0% | 0 | $0.00 | Q1 2026 | Aug 11, 2026 |
| Brighton Jones Llc | Buy | +6,131 | — | 6,131 | $4.74M | Q1 2026 | Aug 07, 2026 |
| Capital Advisor Network Llc | Buy | +38 | — | 38 | $29.36K | Q1 2026 | Aug 06, 2026 |
| Invesco Ltd. | Sell | -139,760 | -6.0% | 2,180,631 | $1.68B | Q1 2026 | Jul 15, 2026 |
| Wells Fargo & Company/Mn | Buy | +1,972 | +1.4% | 142,021 | $109.73M | Q1 2026 | Jul 08, 2026 |
| Kerr Financial Planning Corp | Buy | +1 | +10.0% | 11 | $7.40K | Q1 2026 | Jul 01, 2026 |
| Hobbs Group Advisors, Llc | Sell | -47 | -14.9% | 268 | $207.12K | Q1 2026 | May 20, 2026 |
| Kentucky Retirement Systems | Sell | -64 | -1.0% | 6,484 | $1.78M | Q1 2026 | May 19, 2026 |
| Western Wealth Management, Llc | Buy | +33 | — | 33 | $25.61K | Q1 2026 | May 19, 2026 |
| Cim Investment Management Inc | Sell | -2 | -0.4% | 452 | $349.23K | Q1 2026 | May 19, 2026 |
| Amundi | Buy | +217,892 | +27.5% | 1,009,798 | $780.21M | Q1 2026 | May 18, 2026 |
| Bank Of America Corp | Buy | +32,158 | +2.8% | 1,189,584 | $919.12M | Q1 2026 | May 18, 2026 |
| California State Teachers Retirement System | Sell | -4,479 | -2.8% | 154,201 | $119.14M | Q1 2026 | May 18, 2026 |
| Bull Harbor Capital Llc | Buy | +2,066 | — | 2,066 | $1.60M | Q1 2026 | May 18, 2026 |
| Empire Financial Management Company, Llc | Buy | +1,826 | — | 1,826 | $1.41M | Q1 2026 | May 18, 2026 |
| Arkadios Wealth Advisors | Buy | +1,184 | +36.4% | 4,435 | $3.43M | Q1 2026 | May 18, 2026 |
| Encore Global Management, Lp | Buy | +1,100 | — | 1,100 | $849.90K | Q1 2026 | May 18, 2026 |
| South Dakota Investment Council | Sell | -800 | -6.2% | 12,162 | $9.40M | Q1 2026 | May 18, 2026 |
| Twin Lakes Capital Management, Llc | Sell | -107 | -40.4% | 158 | $122.03K | Q1 2026 | May 18, 2026 |
| Adar1 Capital Management, Llc | Buy | +103 | +0.9% | 12,154 | $9.39M | Q1 2026 | May 18, 2026 |
Frequently asked questions about REGN activity
Which institutional owners are buying REGN?
Institutional owners buying REGN include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in REGN activity?
"Buy" means an investor increased their reported position in REGN compared to the prior reporting period. This reflects growing exposure to REGENERON PHARMACEUTICALS (REGN) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in REGN increasing?
Institutional interest in REGN can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
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