REGENERON PHARMACEUTICALS, INC.

REGNNASDAQ

$726.47-8.73 (-1.19% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

REGENERON PHARMACEUTICALS, INC. price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+24.1%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	9.65%	$5.68B	0.08%	Not reported
Vanguard Capital Management LLC	7.02%	$4.13B	0.09%	Not reported
Dodge & Cox	5.16%	$3.04B	1.59%	Add 9.26%
State Street Corp	5.12%	$3.01B	0.09%	Not reported
Invesco Ltd.	4.17%	$2.46B	0.19%	Not reported
JPMorgan Chase & Co	4.00%	$2.38B	0.13%	Not reported
Vanguard Portfolio Management LLC	3.36%	$1.98B	0.09%	Not reported
Geode Capital Management, LLC	2.78%	$1.63B	0.09%	Not reported
Nuveen, LLC	2.14%	$1.26B	0.30%	Not reported
Loomis Sayles & Co L P	1.97%	$1.16B	1.45%	Reduce 2.78%
Morgan Stanley	1.48%	$872M	0.05%	Not reported
Bank of America Corp	1.37%	$805M	0.05%	Not reported
Wellington Management Group LLP	1.35%	$792M	0.14%	Reduce 30.88%
Norges Bank	1.24%	$731M	0.07%	Not reported
Goldman Sachs Group Inc	1.23%	$725M	0.06%	Not reported
AQR Capital Management LLC	1.19%	$702M	0.24%	Not reported
Amundi	1.07%	$632M	0.15%	Not reported
Northern Trust Corp	0.97%	$571M	0.07%	Not reported
Charles Schwab Investment Management Inc	0.90%	$528M	0.07%	Not reported
FMR LLC	0.88%	$519M	0.02%	Not reported
Capital World Investors	0.86%	$508M	0.06%	Reduce 42.57%
Legal & General Group Plc	0.81%	$474M	0.10%	Not reported
Bank of New York Mellon Corp	0.80%	$473M	0.08%	Not reported
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0.76%	$447M	0.08%	Not reported
Two Sigma Investments, LP	0.70%	$409M	0.30%	Not reported
Vanguard Fiduciary Trust Co	0.60%	$351M	0.08%	Not reported
Dimensional Fund Advisors LP	0.59%	$349M	0.06%	Not reported
First Trust Advisors LP	0.58%	$341M	0.20%	Add 57.74%
Deutsche Bank Ag\	0.55%	$323M	0.09%	Not reported
Assenagon Asset Management S.A.	0.52%	$305M	0.19%	Not reported
Robeco Institutional Asset Management B.V.	0.49%	$287M	0.35%	Add 32.06%
Man Group plc	0.46%	$272M	0.43%	Not reported
SG Americas Securities, LLC	0.45%	$267M	0.15%	Not reported
Neuberger Berman Group LLC	0.45%	$263M	0.18%	Not reported
BNP Paribas Financial Markets	0.42%	$249M	0.09%	Not reported
Arrowstreet Capital, Limited Partnership	0.42%	$245M	0.11%	Not reported
National Pension Service	0.40%	$237M	0.15%	Add 2.22%
Pacer Advisors, Inc.	0.39%	$230M	0.59%	Add 3.02%
Nordea Investment Management AB	0.39%	$227M	0.19%	Add 285.36%
Worldquant Millennium Advisors LLC	0.37%	$221M	0.76%	Add 251.62%
Citigroup Inc	0.37%	$216M	0.07%	Not reported
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	0.35%	$207M	0.21%	Add 21.40%
Allianz Asset Management GmbH	0.35%	$237M	0.21%	Not reported
UBS Group AG	0.32%	$186M	0.02%	Not reported
Swiss National Bank	0.31%	$183M	0.10%	Not reported
Alliancebernstein L.P.	0.31%	$226M	0.07%	Not reported
Sumitomo Mitsui Trust Group, Inc.	0.30%	$176M	0.10%	Add 3.12%
FIL Ltd	0.28%	$166M	0.12%	Reduce 14.22%
Mitsubishi UFJ Asset Management Co., Ltd.	0.27%	$161M	0.09%	Add 7.00%
Federated Hermes, Inc.	0.27%	$160M	0.23%	Not reported

50 of 1,259 holders

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