Security key
75886F107
REGENERON PHARMACEUTICALS, INC. - Common Stock (REGN)
CUSIP: 75886F107
Q1 2021 13F Holders as of 31 Mar 2021
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 89,440,318
- Total 13F value
- $42,282,450,124
- Share change
- -775,683
- Put/Call ratio
- 158%
- SEC-reported price per share
- $473.14
- Number of holders
- 906
- Value change
- -$390,555,615
- Number of buys
- 496
- Number of sells
- 395
- Shares outstanding
- 103,945,862
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2021
Institutions
906
Top holders
10
REGN full security history
Ownership snapshot
Full 13F holder table
REGENERON PHARMACEUTICALS, INC. SEC filings
REGENERON PHARMACEUTICALS, INC. company facts
Broader feeds
Ownership snapshot
Top reported holders of REGN - REGENERON PHARMACEUTICALS, INC. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
FMR LLC
Disclosed value leader
FMR LLC
Comparable rows
0/15
Latest evidence
31 Dec 2020
13F
Highest disclosed value: $5,546,863,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
FMR LLC has the largest disclosed position value at $5.55B.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens FMR LLC's linked filing trail.
Disclosed position value
Top 5
FMR LLC
$5.55B
BlackRock Finance, Inc.
$4.72B
VANGUARD GROUP INC
$3.83B
Capital World Investors
$3.36B
STATE STREET CORP
$2.27B
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| FMR LLC |
13F
Company
|
—
denominator unverified
|
$5,546,863,000
11,481,574 shares
|
— | 31 Dec 2020 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$4,722,975,000
9,776,185 shares
|
— | 31 Dec 2020 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$3,831,651,000
7,931,220 shares
|
— | 31 Dec 2020 |
| Capital World Investors |
13F
Company
|
—
denominator unverified
|
$3,355,556,000
6,945,768 shares
|
— | 31 Dec 2020 |
| STATE STREET CORP |
13F
Company
|
—
denominator unverified
|
$2,266,456,000
4,691,387 shares
|
— | 31 Dec 2020 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
—
denominator unverified
|
$1,753,941,000
3,630,522 shares
|
— | 31 Dec 2020 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
906
Shares
89,440,318
Rows available
906
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2021 vs Q1 2021 Across Filers
Q1 2021 holders
906
Q1 2021 holders
906
Holder diff
0
| Investor | Q1 2021 Shares | Q1 2021 Shares | Share Diff | Share Chg % | Q1 2021 value | Q1 2021 value | Value change | Value Chg % |
|---|