Security
Regeneron Pharmaceuticals · COM
20 owners 2 exits max 5.0% (Mason Hawkins - Southeast...)
owners
20
rank
#199
master %
0.14%
max %
5.0%
tracked value
$13.2B
qoq
A 6
R 11
E 2
holders
sorted by % of portfolio · long equity only · exits show last held size
| manager | % port | activity | shares | value | history |
|---|---|---|---|---|---|
| Mason Hawkins - Southeastern Asset Management INC/TN/ 2026 Q1 | 5.0% | Reduce -0.73 pp | 130,662 | $101M | hist |
| Harry Burn - Sound Shore Management Inc. /CT/ 2026 Q1 | 3.9% | Reduce -0.41 pp | 150,960 | $117M | hist |
| Dodge & Cox 2026 Q1 | 1.9% | Reduce -0.02 pp | 4,458,238 | $3.4B | hist |
| Cliff Asness - Aqr Capital Management LLC 2026 Q1 | 0.4% | Add +0.03 pp | 1,231,008 | $946M | hist |
| Two Sigma Investments, LP 2025 Q4 stale | 0.3% | Exit -0.31 pp | 281,151 | $217M | hist |
| Joel Greenblatt - Gotham Asset Management, LLC 2026 Q1 | 0.2% | Add -0.03 pp | 82,846 | $64M | hist |
| Natixis Advisors, LLC 2026 Q1 | 0.1% | Add 0.00 pp | 125,673 | $97M | hist |
| Norges Bank 2025 Q4 stale | 0.1% | Exit -0.11 pp | 1,311,485 | $1B | hist |
| Vanguard Group Inc. 2025 Q4 stale | 0.1% | Add +0.03 pp | 9,075,153 | $7B | hist |
| Renaissance Technologies LLC 2026 Q1 | 0.1% | Add +0.07 pp | 66,802 | $52M | hist |
| Ray Dalio - Bridgewater Associates, LP 2026 Q1 | 0.1% | Reduce -0.13 pp | 22,724 | $18M | hist |
| Israel Englander - Millennium Management LLC 2026 Q1 | 0.0% | Reduce -0.10 pp | 62,730 | $48M | hist |
| Ken Griffin - Citadel Advisors LLC 2026 Q1 | 0.0% | Reduce -0.01 pp | 47,687 | $37M | hist |
| D. E. Shaw & Co., Inc. 2026 Q1 | 0.0% | Reduce -0.06 pp | 22,730 | $18M | hist |
| Murray Stahl - Horizon Kinetics Asset Management LLC 2026 Q1 | 0.0% | Reduce 0.00 pp | 675 | $522 | hist |
| Ken Fisher - Fisher Asset Management, LLC 2026 Q1 | 0.0% | Add 0.00 pp | 5,059 | $4M | hist |
| Steve Cohen - Point72 Asset Management, L.P. 2026 Q1 | 0.0% | Reduce -0.22 pp | 2,175 | $2M | hist |
| Dmitry Balyasny - Balyasny Asset Management L.P. 2026 Q1 | 0.0% | Reduce -0.07 pp | 1,505 | $1M | hist |
| Marshall Wace - Marshall Wace, LLP 2026 Q1 | 0.0% | Reduce -0.34 pp | 353 | $273 | hist |
| Ancora Advisors LLC 2026 Q1 | 0.0% | — | 105 | $81 | hist |
| Michael Burry - Scion Asset Management, LLC exited 2025 Q3 last 2025 Q2 | 1.4% | Exit -1.36 pp | 15,000 | $8M | hist |
| Cathie Wood - Ark Investment Management LLC exited 2026 Q1 last 2025 Q4 | 0.0% | Exit 0.00 pp | 110 | $85 | hist |
No managers match this filter.
SEC filings
Recent issuer filings from EDGAR · 25 shown
| Filed | Form | Detail | Links |
|---|---|---|---|
| 8-K | 2.02,9.01 | Filing Doc | |
| 10-Q | 10-Q | Filing Doc | |
| 4 | PRIMARY DOCUMENT | Filing Doc | |
| 8-K | 2.02 | Filing Doc | |
| 8-K | 5.07 | Filing Doc | |
| 4 | PRIMARY DOCUMENT | Filing Doc | |
| 8-K | 2.02,9.01 | Filing Doc | |
| 10-Q | 10-Q | Filing Doc | |
| DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | Filing Doc | |
| 8-K | 2.02 | Filing Doc | |
| 4 | OWNERSHIP DOCUMENT | Filing Doc | |
| 4 | PRIMARY DOCUMENT | Filing Doc | |
| 4 | PRIMARY DOCUMENT | Filing Doc | |
| 4 | PRIMARY DOCUMENT | Filing Doc | |
| 4 | PRIMARY DOCUMENT | Filing Doc | |
| 10-K | 10-K | Filing Doc | |
| 8-K | 2.02,9.01 | Filing Doc | |
| 8-K | 2.02,7.01,9.01 | Filing Doc | |
| 4 | PRIMARY DOCUMENT | Filing Doc | |
| 4 | PRIMARY DOCUMENT | Filing Doc | |
| 4 | PRIMARY DOCUMENT | Filing Doc | |
| 4 | PRIMARY DOCUMENT | Filing Doc | |
| 4 | PRIMARY DOCUMENT | Filing Doc | |
| 4 | PRIMARY DOCUMENT | Filing Doc | |
| 4 | PRIMARY DOCUMENT | Filing Doc |
No filings match this filter.
financials
US-GAAP annual · as tagged in Form 10-K · fiscal years · values link to the SEC filing
Income statement
Balance sheet
ownership over time
filing count by report period · click a bar for that quarter’s holders