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-MID · BOOK-FULL
- VALUE-HEAVY #41/775
- HOLDERS-NARROW 10 filers
- CONC-DOM 100% top-5
- PHOTO-FINISH FORD MTR DEL
- ACTIVITY-MID 9 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.
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
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.
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:
Latest Quarter Activity · Q4 2025
New positions (9)
Complete exits (12)
Frequently Asked Questions
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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).
Similar holder count
Nearest stocks by number of disclosing 13F holders (10 here).
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 2026-05-16.