Regeneron Pharmaceuticals, Inc. (REGN) Institutional Ownership & Insider Trading

1,330 institutions reported holding Regeneron Pharmaceuticals, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 111 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

REGNRegeneron Pharmaceuticals, Inc.Follow REGN — free

Biotechnology · Healthcare

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Market cap: 82.9B
P/E TTM: 19.9
Dividend yield: 0.5%
52-week: —
Next earnings: 30 Oct, in 6 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

1,330 institutions held 89.0% of the shares. Across filers that reported both quarters, shares held changed -0.0%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	1,330	92	-0.0%	425	81	480	137
Mar 26	1,380	88	+0.6%	494	85	386	76
Dec 25	1,355	89	-3.7%	435	160	395	88
Sep 25	1,213	91	+2.9%	436	129	362	78
Jun 25	1,186	89	-4.3%	390	94	429	172
Mar 25	1,258	91	-0.7%	472	96	402	119
Dec 24	1,276	93	-7.4%	421	65	428	187
Sep 24	1,348	91	-3.2%	452	100	372	44

Regeneron Pharmaceuticals, Inc. — questions

Who owns Regeneron Pharmaceuticals, Inc. stock?: 1,330 institutions reported Regeneron Pharmaceuticals, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (8.8%), VANGUARD CAPITAL MANAGEMENT LLC (6.4%), Dodge & Cox (4.7%).
Are Regeneron Pharmaceuticals, Inc. insiders buying or selling?: 111 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Regeneron Pharmaceuticals, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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