Regeneron Pharmaceuticals, Inc. (REGN) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

226,004Shares held by institutions

$169,399,038Value of institutional holdings

82.86%Institutional ownership %

-5.07%Shares Changed QoQ

1,191No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN) has 1,342 institutional investors with active 13F positions as of December 2025.

They owned 81.0% of outstanding stock in December 2025, down from 86.1% the prior quarter.
Their total shares held in REGN decreased -2.38% from the prior quarter, while the number of investors in Regeneron Pharmaceuticals increased 4.03% year over year.
Of these 1,342 funds, 740 grew their exposure to Regeneron Pharmaceuticals, 454 cut back, and 148 maintained positions.
In total, institutional investors held 87.25Mn shares in Regeneron Pharmaceuticals as of December 2025, down by 2.13Mn shares quarter on quarter, and down 9.47Mn shares year over year.
As of December 31, 2025, VANGUARD GROUP INC held the largest stake in Regeneron Pharmaceuticals with 9.08Mn shares, accounting for 8.43% of total shares outstanding.
Top purchasers of REGN stock for the quarter ending December 2025 included NORGES BANK (1.31Mn), Nuveen, LLC (835.24K), WELLINGTON MANAGEMENT GROUP LLP (656.84K), FMR LLC (383.73K), FIL Ltd (341.67K).
The largest sales of REGN for the quarter ending December 2025 came from Jpmorgan Chase & Co (4.2Mn), Bank Of America Corp /De/ (1.15Mn), D. E. Shaw & Co., Inc. (706.12K), Capital World Investors (600.36K), Qube Research & Technologies Ltd (406.55K).
Per Business Quant, the top 10 investors in REGN for the quarter ending December 2025 include VANGUARD GROUP INC (9.08Mn), BlackRock, Inc. (8.74Mn), State Street Corp (4.66Mn), DODGE & COX (4.6Mn), Jpmorgan Chase & Co (3.94Mn), Franklin Resources Inc (2.56Mn), GEODE CAPITAL MANAGEMENT, LLC (2.52Mn), FMR LLC (2.32Mn), Nuveen, LLC (2.01Mn), LOOMIS SAYLES & CO L P (1.93Mn).

1,343 Institutional Holders

226,004 Total Shares Held

Rows:

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Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	-95,904	-1.09%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	26,884	0.30%	$0.00
Nuveen, LLC	31 Dec, 2025	835,240	71.07%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	267,651	72.34%	$0.00
State Street Corp	31 Dec, 2025	-30,415	-0.65%	$0.00
Holocene Advisors, LP	31 Dec, 2025	308,990	203.64%	$0.00
Barclays Plc	31 Dec, 2025	-427,501	-57.87%	$0.00
DODGE & COX	31 Dec, 2025	45,513	1.00%	$0.00
Pacer Advisors, Inc.	31 Dec, 2025	-47,659	-10.70%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	28,265	109.38%	$0.00
Jpmorgan Chase & Co	31 Dec, 2025	-4,204,492	-51.62%	$0.00
Pictet Asset Management Holding SA	31 Dec, 2025	44,500	13.76%	$0.00
World Investment Advisors	31 Dec, 2025	1,086	212.94%	$0.00
Franklin Resources Inc	31 Dec, 2025	106,861	4.36%	$0.00
National Pension Service	31 Dec, 2025	82,853	29.79%	$0.00
Purpose Unlimited Inc.	31 Dec, 2025	113	0.00%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	-16,358	-0.65%	$0.00
UBS Group AG	31 Dec, 2025	-68,331	-20.13%	$0.00
PEAK6 LLC	31 Dec, 2025	-11,841	-99.95%	$0.00
FMR LLC	31 Dec, 2025	383,731	19.82%	$0.00

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