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Regeneron Pharmaceuticals, Inc. (REGN)

Sector
Health Care
Industry
Biotechnology
Last price
$778.36
As of

Kresmion compiles this page from REGN's SEC filings, its 13F institutional holders and the market events Kresmion detects, each linked to its source.

REGENERON PHARMACEUTICALS, INC. (REGN): 6 institutional managers tracked by Kresmion reported non-option positions in their 2026Q2 Form 13F filings, and the most recent SEC filing on record for the company is a Form 8-K filed 2026-10-06.

As of . Source: SEC EDGAR filings for REGN. Method and limitations.

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You are seeing 5 of 60 signals recorded on REGN since 2026-05-02.

The five above landed across 2 days. The other 55 were recorded on 10 other days. 35 of the 60 are institutional flow rows, which arrive in batches on filing days.

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Largest reported share positions in REGN (2026Q2)

Manager / securityMarket value% portfolioQoQ
TWO SIGMA INVESTMENTS, LPCUSIP 75886F107 · 2026Q2$409.1M0.30%,
MILLENNIUM MANAGEMENT LLCCUSIP 75886F107 · 2026Q2$103M0.04%,
RENAISSANCE TECHNOLOGIES LLCCUSIP 75886F107 · 2026Q2$92.4M0.13%,
CITADEL ADVISORS LLCCUSIP 75886F107 · 2026Q2$35.9M0.00%,
Bridgewater Associates, LPCUSIP 75886F107 · 2026Q2$32M0.13%,
D. E. Shaw & Co., Inc.CUSIP 75886F107 · 2026Q2$24M0.01%,

Quarterly SEC Form 13F disclosures from the managers Kresmion tracks, not a complete ownership ranking. Non-option holdings only; reported put and call positions are excluded. Different securities are labeled by CUSIP. Values are reporting-period snapshots, not current position values. Filings can arrive up to 45 days after quarter-end.

Recent SEC filings, REGN

REGN against its peers

REGN's operating margin of 24.9% ranks in the 55th percentile of 20 Biotechnology sub-industry peers, fiscal periods ending between 2025-12-31 and 2026-03-31.

MetricREGNPeer medianPercentilen
Revenue FY14.3B USD2.6B USD8820
Operating margin24.9%23.2%5520
Net margin31.4%16.7%7521
Return on equity14.4%14.7%4821
P / E18.8x29.1x1311
1 year35.9%29.8%5319

Peers (23): MRNA, NTRA, ARGX, VRTX, RVMD, ONC, BIIB, ALNY, GILD, AMGN, ROIV, RPRX, BNTX, UTHR, INCY, GMAB, INSM, ASND, EXEL, NBIX, SMMT, BBIO, HALO. Left out: CSLLY (no annual filing), IVBXF (no annual filing). Fiscal periods ending between 2025-12-31 and 2026-03-31. Every figure is one full fiscal year read from one annual filing (REGN: 10-K), reported in USD. Nothing is trailing twelve months and nothing is converted between currencies. Source: SEC EDGAR XBRL company facts (public domain); prices from Kresmion's daily equity market-data snapshot. Open the full comparison.

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