Stock ownership · SEC 13F · Q4 2025

REGENERON PHARMACEUTICAL

A breakdown of REGENERON PHARMACEUTICAL's institutional base (CUSIP 75886F107): the holders, the concentration among them, and what changed last quarter.

$364.0M
Reported value
10
Institutions
100%
Top-5 share

The verdict

According to SEC Form 13F-HR filings in this corpus, REGENERON PHARMACEUTICAL ranks #41 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders. 10 institutions report $364.0M as of Q4 2025, with ownership held overwhelmingly by a small core of institutions.

10
institutions hold it
$364.0M
reported 13F value
100%
held by top 5
#41
of 775 by value

Based on long positions reported to the SEC as of Q4 2025; 13F omits shorts, options and non-US holdings.

According to SEC Form 13F-HR filings in this corpus, REGENERON PHARMACEUTICAL ranks #41 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders.

How 13F ownership is computed · All tracked stocks · Concentration rankings

SEC Form 13F-HR ownership desk

CUSIP 75886F107 · Q4 2025 $364M reported

VALUE-HEAVY · HOLDERS-NARROW · CONC-DOM · PHOTO-FINISH · ACTIVITY-QUIET · BOOK-FULL

  • VALUE-HEAVY #41/775
  • HOLDERS-NARROW 10 filers
  • CONC-DOM 100% top-5
  • PHOTO-FINISH FORD MTR DEL
  • ACTIVITY-QUIET 0 new
  • BOOK-FULL 8Q history

Photo-finish peer on reported value: FORD MTR CO DEL

Read with: Ownership concentration guide - REGENERON PHARMACEUTICAL's top-five holders account for 100% of reported value — read concentration before treating any single filer as a signal.

Reported-value neighbourhood · REGENERON PHARMACEUTICAL

Nearest tracked securities by aggregate 13F reported value, not a full corpus reprint.

MICRON TECHNOLOGY · near$372MVANGUARD TOTAL STOCK · near$369MFORD MTR DEL · near$368MREGENERON PHARMACEUTICAL · t…$364MWALMART · near$358M
Aggregate reported institutional value ($)

REGENERON PHARMACEUTICAL vs. the broadly-held institutional universe

Where this security's reporting-institution count sits among tracked 13F securities

10 Top 83% higher than 17% of 216 securities

Broadly-held tracked securities, banded by reporting-institution count

Each bar is a band; taller bars hold more securities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source SEC Form 13F-HR filings · Q4 2025

Largest institutional holders of REGENERON PHARMACEUTICAL
  1. 1
    Pacer Advisors, Inc. $306.9M
  2. 2
    GROUPAMA ASSET MANAGMENT $54.9M
  3. 3
    Oak Grove Capital LLC $1.3M
  4. 4
    DGS Capital Management, LLC $235K
  5. 5
    Banque Transatlantique SA $196K
  6. 6
    Anchor Investment Management, LLC $193K

Top 6 reported holders by value · Q4 2025

Institutional ownership over time

The number of institutions reporting a REGENERON PHARMACEUTICAL position has risen from 5 to 10 over the last 8 quarters of 13F filings.

468101214 Q1'24Q2'24Q3'24Q4'24Q1'25Q2'25Q3'25Q4'25 10
Distinct 13F filers holding REGENERON PHARMACEUTICAL, by quarter

Top Institutional Holders

# Institution Shares Value Share of reported
1 Pacer Advisors, Inc. 397,666 $306.9M 84.3%
2 GROUPAMA ASSET MANAGMENT 71,182 $54.9M 15.1%
3 Oak Grove Capital LLC 1,730 $1.3M 0.4%
4 DGS Capital Management, LLC 305 $235K 0.1%
5 Banque Transatlantique SA 254 $196K 0.1%
6 Anchor Investment Management, LLC 250 $193K 0.1%
7 MidFirst Bank 298 $74K 0.0%
8 Bell Investment Advisors, Inc 45 $35K 0.0%
9 Strategic Investment Solutions, Inc. /IL 6 $5K 0.0%
10 SG Trading Solutions, LLC 3,992 $3K 0.0%

Investment Discretion

SEC Form 13F requires each institutional filer to report whether it exercises sole or shared discretion over a position. Among REGENERON PHARMACEUTICAL's reported holders for Q4 2025, by reported value:

Sole discretion (SOLE)
99.9%
Shared-defined discretion (DFND)
0.1%

Latest Quarter Activity · Q4 2025

Frequently Asked Questions

How many institutions hold REGENERON PHARMACEUTICAL?▼
REGENERON PHARMACEUTICAL is held by 10 institutional investors per the latest SEC Form 13F filings as of Q4 2025.
Where does REGENERON PHARMACEUTICAL sit among tracked securities?▼
According to SEC Form 13F-HR filings in this corpus, REGENERON PHARMACEUTICAL ranks #41 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders. The ordinal is recomputed live among securities with ≥5 reporting holders. See /methodology/#corpus-placement.
What is the total institutional value of REGENERON PHARMACEUTICAL?▼
Institutions report $364.0M of REGENERON PHARMACEUTICAL as of Q4 2025.
How concentrated is ownership of REGENERON PHARMACEUTICAL?▼
The top five institutional holders account for 100% of the reported institutional value in REGENERON PHARMACEUTICAL, making ownership held overwhelmingly by a small core of institutions.
Who is the largest institutional holder of REGENERON PHARMACEUTICAL?▼
Pacer Advisors, Inc. is the largest reported holder of REGENERON PHARMACEUTICAL with $306.9M across 397,666 shares as of Q4 2025.

Nationwide stocks with similar institutional value or holder count

Two 13F-derived peer sets for REGENERON PHARMACEUTICAL: nearest aggregate reported value and nearest institutional holder count, not catalog browse links.

Similar reported value

Nearest stocks by aggregate 13F reported value ($364.0M here).

FORD MTR CO DEL $368.1M VANGUARD TOTAL STOCK $368.9M WALMART INC $358.2M MICRON TECHNOLOGY INC $371.8M

Similar holder count

Nearest stocks by number of disclosing 13F holders (10 here).

ALLSTATE CORP 10 AMERIPRISE FINL INC 10 APPLOVIN CORP 10 BECTON DICKINSON & CO 10

Source: U.S. Securities and Exchange Commission (SEC) - EDGAR Form 13F-HR institutional holdings filings · Q4 2025 13F-HR discloses long US-listed equity positions of managers with $100M+ qualifying assets, filed within 45 days of period end. Short positions and most derivatives are not disclosed.

PlainFundData is rendered directly from SEC EDGAR Form 13F-HR institutional holdings filings, no number is typed in by an editor. Holder lists, concentration, and reported value on this page are aggregated live from those 13F-HR extracts. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-09-26.