REGN

REGENERON PHARMACEUTICALS
USCUSIP 75886F107
Institutional Owners
461
+45 QoQ
13F Value Held
$15.2B
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
0
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)60 adding · 39 trimming
Insider net (180d)+$0
Price history not yet available for REGN.

Top institutional holders

461 13F filers
#FundPosition valueSharesLast moveAs of
1VANGUARD CAPITAL MANAGEMENT LLC
$5.1B
6.65MNewQ1 2026
2STATE STREET CORP
$3.6B
4.66MAddedQ1 2026
3VANGUARD PORTFOLIO MANAGEMENT LLC
$1.3B
1.72MNewQ1 2026
4VANGUARD FIDUCIARY TRUST CO
$440.4M
569.9KNewQ1 2026
5Bellevue Group AG
$214.1M
277.1KAddedQ1 2026
6JACOBS LEVY EQUITY MANAGEMENT, INC
$165.5M
214.2KReducedQ1 2026
7Chevy Chase Trust Holdings, LLC
$157.8M
204.2KAddedQ1 2026
8Polar Capital Holdings Plc
$148.8M
192.5KReducedQ1 2026
9Candriam S.C.A.
$144.0M
186.4KNewQ1 2026
10CITADEL ADVISORS LLC
$133.2M
172.4KReducedQ1 2026
11Universal- Beteiligungs- und Servicegesellschaft mbH
$84.9M
109.7KAddedQ1 2026
12PANAGORA ASSET MANAGEMENT INC
$81.3M
105.2KAddedQ1 2026
13BANK OF NOVA SCOTIA
$75.3M
97.5KReducedQ1 2026
14PARNASSUS INVESTMENTS, LLC
$75.3M
97.5KAddedQ1 2026
15DANSKE BANK A/S
$73.1M
94.5KAddedQ1 2026
16PFA Pension, Forsikringsaktieselskab
$71.7M
92.9KAddedQ1 2026
17AVIVA PLC
$70.4M
91.2KAddedQ1 2026
18STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM
$69.5M
90.0KReducedQ1 2026
19Zurcher Kantonalbank (Zurich Cantonalbank)
$68.7M
88.9KAddedQ1 2026
20SEIZERT CAPITAL PARTNERS, LLC
$66.2M
85.7KReducedQ1 2026
21Integral Health Asset Management, LLC
$65.7M
85.0KReducedQ1 2026
22Gotham Asset Management, LLC
$64.0M
82.8KAddedQ1 2026
23PINNACLE ASSOCIATES LTD
$63.8M
82.5KReducedQ1 2026
24VIKING GLOBAL INVESTORS LP
$62.0M
97.7KNewQ1 2025
25LOS ANGELES CAPITAL MANAGEMENT LLC
$60.9M
78.9KNewQ1 2026

Fund activity — latest quarter

Opened (NEW)
17
funds
Added
43
funds
Reduced
39
funds
Exited
0
funds

Insider activity (Form 4)

No Form 4 insider transactions on file yet.

Institutional ownership over time

442 funds+439 since Q2 2022
0221442Q2 2022Q1 2023Q4 2023Q3 2024Q2 2025Q1 2026
funds holding aggregate valuelatest $14.5B

Funds that own REGN also own

CompanyCo-held byCombined value
Lilly Eli and CoLLY433 funds$68.4B
Microsoft Corp.MSFT431 funds$243.6B
Meta Platforms Inc.META431 funds$105.7B
Nvidia Corp. (US)NVDA428 funds$351.6B
Broadcom LtdAVGO427 funds$126.3B
Apple Inc.AAPL426 funds$307.0B
Amazon.com IncAMZN424 funds$177.4B
GOOGLE INCGOOGL424 funds$151.9B
Jpmorgan Chase & CoJPM421 funds$79.2B
Mastercard IncorporatedMA421 funds$42.2B
Visa Inc.V420 funds$53.4B
Costco Wholesale CorporationCOST420 funds$41.5B

Ranked by how many of REGN's institutional holders also hold each name — a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

0 shown

No filings captured for this ticker in the live stream yet.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for REGN. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.