What does CUSIP 75886F107 represent in this 13F holders report?

CUSIP 75886F107 is the security identifier for REGN - REGENERON PHARMACEUTICALS, INC. - Common Stock used to aggregate holder disclosures.

How many institutions held REGN - REGENERON PHARMACEUTICALS, INC. - Common Stock in Q4 2025?

1379 institutional investors reported REGN - REGENERON PHARMACEUTICALS, INC. - Common Stock for Q4 2025. Use the holders table for investor-level position and value details.

REGENERON PHARMACEUTICALS, INC. - Common Stock (REGN)

CUSIP: 75886F107

Q4 2025 13F Holders as of 31 Dec 2025

Security type / class: Equity / Common Stock
Total 13F shares: 89,193,906
Total 13F value: $68,857,056,243
Share change: +2,088,437
Put/Call ratio: 57%
SEC-reported price per share: $771.87
Number of holders: 1,379
Value change: +$1,928,512,727
Number of buys: 688
Number of sells: 565
Shares outstanding: 103,945,862

Security key

75886F107

Report period

Q4 2025

Institutions

1,379

Top holders

REGN full security history Ownership snapshot Full 13F holder table REGENERON PHARMACEUTICALS, INC. SEC filings REGENERON PHARMACEUTICALS, INC. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of REGN - REGENERON PHARMACEUTICALS, INC. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

JPMORGAN CHASE & CO

Disclosed value leader

VANGUARD GROUP INC

Comparable rows

15/15

Latest evidence

30 Sep 2025

13D/G 13F Lead comparable stake: 4.4% 13D/G row: JPMORGAN CHASE & CO Showing 1-6 of 15 holder rows.

Quick read

JPMORGAN CHASE & CO leads the comparable SEC ownership view at 4.4%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens JPMORGAN CHASE & CO's linked filing trail.

Comparable ownership Top 5

JPMORGAN CHASE & CO 4.4%

FMR LLC 3.2%

VANGUARD GROUP INC 8.7%

BlackRock, Inc. 8.5%

STATE STREET CORP 4.5%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
JPMORGAN CHASE & CO	13D/G 13F Company 13D/G 13F	4.4%	$2,729,989,170 4,742,611 shares	-$462,704,633	30 May 2025
FMR LLC	13D/G 13F Company 13D/G 13F	3.2%	$1,880,548,739 3,359,563 shares	-$2,703,197,470	30 Jun 2025
VANGUARD GROUP INC	13F Company 13F	8.7%	$5,087,570,211 9,048,269 shares	—	30 Sep 2025
BlackRock, Inc.	13F Company 13F	8.5%	$4,968,878,140 8,837,174 shares	—	30 Sep 2025
STATE STREET CORP	13F Company 13F	4.5%	$2,637,733,956 4,691,223 shares	—	30 Sep 2025
DODGE & COX	13F Company 13F	4.4%	$2,558,803,618 4,550,845 shares	—	30 Sep 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

1,379

89,193,906

Rows available

1,379

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders

1,235

Q4 2025 holders

1,379

Holder diff

144

Investor	Q3 2025 Shares	Q4 2025 Shares	Share Diff	Share Chg %	Q3 2025 value	Q4 2025 value	Value change	Value Chg %