Stocklore

Regeneron Pharmaceuticals Inc (REGN)

Biotech & Health · US stock

What changed in recent filings

  • Products segment 52% → 38%Sep 30, 2024 → Jun 30, 2026
  • Institutions — 4 new · 2 added13F · as of end of 2026 Q2

What changed in recent SEC filings — factual, not a buy/sell recommendation.

Institutions holding Regeneron Pharmaceuticals Inc

How many of the institutions we track reported holding this stock, quarter by quarter.

max 6
2019 Q1 · 22019 Q2 · 42019 Q3 · 32019 Q4 · 22020 Q1 · 22020 Q2 · 22020 Q3 · 22020 Q4 · 32021 Q1 · 22021 Q2 · 62021 Q3 · 42021 Q4 · 42022 Q1 · 52022 Q2 · 62022 Q3 · 52022 Q4 · 52023 Q1 · 62023 Q2 · 42023 Q3 · 52023 Q4 · 62024 Q1 · 52024 Q2 · 52024 Q3 · 52024 Q4 · 42025 Q1 · 52025 Q2 · 52025 Q3 · 42025 Q4 · 42026 Q1 · 32026 Q2 · 6
19 Q122 Q326 Q2

2019 Q1: 2 → 2026 Q2: 6 institutions

Counts the 52 institutions we track that reported holding this stock — their full reported holdings, not just the largest positions. Not the total number of institutional holders in the US. Figures are as of quarter-end and disclosed up to 45 days later. Descriptive only — not investment advice.

Which institutions hold Regeneron Pharmaceuticals Inc

Institutions we track that reported holding this stock in their most recent 13F.

  • Bridgewater Associates0.13% of portfolio · since 2021 Q2
  • Dodge & Cox1.59% of portfolio · since 2021 Q4
  • National Pension Service (Korea)0.15% of portfolio · held as of 2026 Q2 or earlier
  • Caisse de depot (Quebec)0.22% of portfolio · held as of 2026 Q2 or earlier
  • Blackstoneunder 0.01% of portfolio · held as of 2026 Q2 or earlier
  • Capital World Investors0.06% of portfolio · held as of 2026 Q2 or earlier

Based on 13F filings — quarter-end holdings, disclosed up to 45 days later. Holding a stock is a fact we report, not a recommendation to buy or sell.

Company overview

A biotech holding blockbuster antibody drugs such as the macular-degeneration drug Eylea and the atopic-dermatitis drug Dupixent.

What is the Biotech & Health sector?

Pharma, biotech, and medical devices. Driven by trial-result events.

Regeneron Pharmaceuticals Inc is classified under the Biotech & Health sector. See peers below.

REGN segment revenue mix trend

Quarterly change in segment revenue share · verified from SEC filings

Sep '24Jun '25Jun '26
Collaboration Revenue 57%Products 38%Other products and services 4%Lynozyfic 0%Other products 0%

1 quarter with a different segment breakdown was omitted (filing basis changed).

ETFs holding Regeneron Pharmaceuticals Inc

Per SEC N-PORT · 2026-06-30 · by weight · factual

XLVState Street(R) Health Care Select Sector SPDR(R) ETF
1.08%
JEPIJPMorgan Equity Premium Income ETF
1.05%
QQQMInvesco NASDAQ 100 ETF
0.28%
QQQInvesco QQQ Trust, Series 1
0.28%
VTVVANGUARD VALUE INDEX FUND
0.24%
RSPInvesco S&P 500 Equal Weight ETF
0.18%
SPY
0.10%
VOOVANGUARD 500 INDEX FUND
0.10%
IVViShares Core S&P 500 ETF
0.10%
VTIVANGUARD TOTAL STOCK MARKET INDEX FUND
0.09%
ITOTiShares Core S&P Total U.S. Stock Market ETF
0.09%

REGN on Stocklore

  • Revenue by segmentsegment weights verified from SEC filings, YoY changes, growth drivers and concentration
  • Financials & earnings quality6 metrics (FCF conversion, ROIC, net debt, etc.) to gauge profit quality
  • 13F institutional holdingsholdings and weight changes of major institutions (45-day delay)
  • Sector-relative metricsValuation and growth compared with the Biotech & Health average
See full REGN analysis →

Peers · Biotech & Health

REGN FAQ

What is Regeneron Pharmaceuticals Inc (REGN)?

A biotech holding blockbuster antibody drugs such as the macular-degeneration drug Eylea and the atopic-dermatitis drug Dupixent.

What sector is Regeneron Pharmaceuticals Inc in?

Regeneron Pharmaceuticals Inc is classified under Biotech & Health. Pharma, biotech, and medical devices. Driven by trial-result events.

Where can I analyze Regeneron Pharmaceuticals Inc (REGN) stock?

On Stocklore you can see REGN's financials & earnings quality, 13F institutional holdings, and sector-relative metrics in one place. This page is for information and tools — not a buy/sell recommendation.

Data sources: SEC EDGAR (financials & filings), 13F (institutional holdings, as of quarter-end), market data. This page is for information and analysis tools — it does not recommend buying or selling any security. Investment decisions and responsibility are your own.

Not an investment adviser and not personalized investment advice; not a discretionary management service. No trade recommendations, no target prices, no execution or brokerage. We do not recommend or guarantee any purchase, sale, or returns. Investment decisions and their outcomes are your own.

Stocklore · CEO Lee Seung-jae · Business reg. no. 764-36-01607 · E-commerce permit 2026-Jeonju Wansan-0476 · Tel +82-70-7954-4939 · S120, Rm 302, 3F, 21 Jungsanjungang-ro, Wansan-gu, Jeonju, Jeonbuk, Korea