Regeneron Pharmaceuticals, Inc. (REGN) Institutional Ownership

Institutions by Trading Activity

107,700,000Shares Outstanding

88,690,304Shares held by institutions

$66,188,686,972Value of institutional holdings

82.35%Institutional ownership %

-1.59%Shares Changed QoQ

1,344No. of institutional investors

Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN) showed up in the 13F filings of 1,342 institutional investors as of December 2025.

They owned 81.0% of outstanding stock in December 2025, down from 86.1% the prior quarter.
They decreased total shares held in Regeneron Pharmaceuticals by -2.38% from the prior quarter, while the number of investors in REGN increased 4.03% year over year.
Among the 1,342 funds, 740 bought more Regeneron Pharmaceuticals shares, 454 sold down, and 148 held their ground.
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, the biggest holder of Regeneron Pharmaceuticals is Bangor Savings Bank at 857 shares, representing 0.0% of shares outstanding.
The biggest buyers of Regeneron Pharmaceuticals for the quarter ending December 2025 included Hickory Point Bank & Trust (61), Ares Financial Consulting, LLC (49), ADIRONDACK TRUST CO (4).
Top sellers of REGN stock for the quarter ending December 2025 included Sankala Group LLC (1), Byrne Asset Management LLC (1).
Regeneron Pharmaceuticals's 7 largest shareholders as of December 2025 include Bangor Savings Bank (857), ADIRONDACK TRUST CO (384), Ares Financial Consulting, LLC (76), Sankala Group LLC (64), Hickory Point Bank & Trust (61), Byrne Asset Management LLC (22), Aspect Partners, LLC (22) per Business Quant data.

88,690,304 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	9,075,153	26,884	0.30%	$7,004,838,346.00
BlackRock, Inc.	31 Dec, 2025	8,741,270	-95,904	-1.09%	$6,747,123,706.00
State Street Corp	31 Dec, 2025	4,660,808	-30,415	-0.65%	$3,597,537,871.00
DODGE & COX	31 Dec, 2025	4,596,358	45,513	1.00%	$3,547,790,849.00
Jpmorgan Chase & Co	31 Dec, 2025	3,940,160	-4,204,492	-51.62%	$3,041,292,891.00
Franklin Resources Inc	31 Dec, 2025	2,560,004	106,861	4.36%	$1,975,990,279.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	2,519,540	-16,358	-0.65%	$1,936,711,198.00
FMR LLC	31 Dec, 2025	2,319,566	383,731	19.82%	$1,790,403,167.00
Goldman Sachs Group Inc	31 Dec, 2025	2,194,426	1,241,587	130.30%	$1,693,811,624.00
Nuveen, LLC	31 Dec, 2025	2,010,517	835,240	71.07%	$1,551,857,756.00
LOOMIS SAYLES & CO L P	31 Dec, 2025	1,934,326	-45,127	-2.28%	$1,493,048,247.00
Invesco Ltd.	31 Dec, 2025	1,591,105	106,632	7.18%	$1,228,126,594.00
Capital World Investors	31 Dec, 2025	1,398,003	-600,363	-30.04%	$1,079,077,052.00
Morgan Stanley	31 Dec, 2025	1,389,323	-61,649	-4.25%	$1,072,379,189.00
NORGES BANK	31 Dec, 2025	1,311,485	1,311,485	0.00%	$1,012,295,927.00
Bank Of America Corp /De/	31 Dec, 2025	1,157,426	-1,150,440	-49.85%	$893,382,732.00
AQR CAPITAL MANAGEMENT LLC	31 Dec, 2025	995,710	274,356	38.03%	$768,518,494.00
Northern Trust Corp	31 Dec, 2025	944,933	-39,859	-4.05%	$729,365,434.00
Amundi	31 Dec, 2025	791,906	170,165	27.37%	$611,248,483.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	778,001	22,436	2.97%	$600,515,632.00

1 - 20 of 1,344