Regeneron Pharmaceuticals REGN Institutional Ownership

NASDAQ REGN

$790.74 -5.60 (-0.70%)

At close: Oct 16, 2026 · 4:00 PM EDT

Institutions by Trading Activity

1,323 Institutions

Increased 603 45.6%

Unchanged 187 14.1%

Reduced 533 40.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

66.16%

▲+2.35 pp QoQ

Shares Held by Institutions

91.30Mn

of 138.00Mn outstanding

▲+3.76% QoQ

Shares Outstanding

138.00Mn

46.70Mn held outside 13F filers

Institutional Investors

1,323

filed 13F for Jun 2026

▼-64 vs prior quarter

Net Shares Added (QoQ)

+3.31Mn

accumulated since last quarter

Value of Holdings

$72.71Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN) was reported as a holding by 1,323 institutional investors in 13F filings for the quarter ended June 30, 2026.

Collectively, these holders controlled 66.16% of Regeneron Pharmaceuticals' outstanding shares in Q2 2026, up from 63.81% in Q1 2026.
Total holdings of REGN shares rose 3.76% from Q1 2026, and the holder count rose 10.80% from Q2 2025.
Of these 1,323 holders, 603 added to their positions, 533 reduced their stakes and 187 left their positions unchanged.
Combined, institutional investors held 91.3Mn shares of REGN as of Q2 2026, up 3.31Mn from the prior quarter and up 4.04Mn from a year earlier.
BlackRock, Inc. led 13F holders of REGN with 9.11Mn shares as of June 30, 2026, or 6.60% of shares outstanding.
Holders that added the most shares of Regeneron Pharmaceuticals in Q2 2026 were Invesco Ltd. (+2.22Mn shares), Vanguard Portfolio Management LLC (+1.45Mn shares), Dodge & Cox (+412.9K shares), SG Americas Securities, LLC (+269.43K shares) and Nordea Investment Management AB (+269.16K shares).
The largest position reductions in REGN for Q2 2026 were by FMR LLC (-686.23K shares), T. Rowe Price Associates Inc (-647.82K shares), Capital World Investors (-604.08K shares), Wellington Management Group LLP (-567.37K shares) and JPMorgan Chase & Co (-537.61K shares).
Per Business Quant, the top 10 investors in REGN for the quarter ended June 30, 2026 were BlackRock, Inc. (9.11Mn shares), Vanguard Capital Management LLC (6.63Mn shares), Dodge & Cox (4.87Mn shares), State Street Corp (4.83Mn shares), Invesco Ltd. (3.94Mn shares), JPMorgan Chase & Co (3.77Mn shares), Vanguard Portfolio Management LLC (3.18Mn shares), Franklin Templeton Inc (2.77Mn shares), Geode Capital Management, LLC (2.63Mn shares) and Nuveen, LLC (2.02Mn shares).

Form 13F Holdings

1,328 Institutional Holders

Report period 30 Jun, 2026

Total shares held 91.30Mn

Of outstanding 66.16%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	9,113,506	6.60%	▲165,771	+1.85%	$5.68Bn
2	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	6,629,759	4.80%	▼25,154	-0.38%	$4.13Bn
3	DODGE & COX	0000200217	4,871,137	3.53%	▲412,899	+9.26%	$3.04Bn
4	State Street Corp	0000093751	4,834,688	3.50%	▲170,210	+3.65%	$3.01Bn
5	Invesco Ltd.	0000914208	3,940,665	2.86%	▲2,216,187	+128.51%	$2.46Bn
6	Jpmorgan Chase & Co	0000019617	3,774,199	2.73%	▼537,607	-12.47%	$2.38Bn
7	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	3,175,313	2.30%	▲1,454,539	+84.53%	$1.98Bn
8	Franklin Templeton Inc	0000038777	2,771,839	2.01%	▲49,768	+1.83%	$1.73Bn
9	GEODE CAPITAL MANAGEMENT, LLC	0001214717	2,625,810	1.90%	▲18,078	+0.69%	$1.63Bn
10	Nuveen, LLC	0001871926	2,019,974	1.46%	▼45,090	-2.18%	$1.26Bn
11	LOOMIS SAYLES & CO L P	0000312348	1,859,172	1.35%	▼53,138	-2.78%	$1.16Bn
12	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	1,529,709	1.11%	▼647,818	-29.75%	$953.84K
13	Morgan Stanley	0000895421	1,397,712	1.01%	▲78,383	+5.94%	$871.53Mn
14	Bank Of America Corp /De/	0000070858	1,291,053	0.94%	▲101,469	+8.53%	$805.02Mn
15	WELLINGTON MANAGEMENT GROUP LLP	0000902219	1,270,087	0.92%	▼567,372	-30.88%	$791.95Mn
16	NORGES BANK	0001374170	1,172,808	0.85%	▲1,172,808	0.00%	$731.29Mn
17	Goldman Sachs Group Inc	0000886982	1,163,191	0.84%	▼137,367	-10.56%	$725.30Mn
18	AQR CAPITAL MANAGEMENT LLC	0001167557	1,126,080	0.82%	▼104,916	-8.52%	$702.16Mn
19	Amundi	0001330387	1,013,540	0.73%	▲3,742	+0.37%	$631.98Mn
20	Northern Trust Corp	0000073124	916,467	0.66%	▼25,474	-2.70%	$571.45Mn

Showing 1 to 20 of 1,328 holders