Who owns REGN
Institutions that file 13Fs hold 87% of the shares
Shares they hold, quarter on quarter
+1.2%
122 new, 452 added, 514 cut, 190 sold out
Top 10 holders
48%
of the shares institutions hold
A 13F lists the long positions of managers with more than $100M in US stocks. It shows the last day of a quarter and is filed up to 45 days later. Two managers can report the same shares, so totals can count some shares twice.
Institutional owners
The 25 biggest holders
| Holder | Shares | Value | % of company | From Mar 31, 2026 |
|---|---|---|---|---|
| BlackRock, Inc. | 9.11M | $5.7B | 8.63% | Added +1.9% |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.63M | $4.1B | 6.28% | Held |
| Dodge & Cox | 4.87M | $3.0B | 4.61% | Added +9.3% |
| STATE STREET CORP | 4.83M | $3.0B | 4.58% | Added +3.6% |
| Invesco Ltd. | 3.94M | $2.5B | 3.73% | Added +0.9% |
| JPMORGAN CHASE & CO | 3.77M | $2.4B | 3.57% | Reduced -12.5% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3.18M | $2.0B | 3.01% | Added +84.5% |
| FRANKLIN RESOURCES INC | 2.77M | $1.7B | 2.62% | Added +1.8% |
| GEODE CAPITAL MANAGEMENT, LLC | 2.63M | $1.6B | 2.49% | Added +0.7% |
| Nuveen, LLC | 2.02M | $1.3B | 1.91% | Reduced -2.2% |
| LOOMIS SAYLES & CO L P | 1.86M | $1.2B | 1.76% | Reduced -2.8% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.53M | $954K | 1.45% | Reduced -29.8% |
| MORGAN STANLEY | 1.40M | $871.5M | 1.32% | Added +5.9% |
| BANK OF AMERICA CORP /DE/ | 1.29M | $805.0M | 1.22% | Added +8.5% |
| WELLINGTON MANAGEMENT GROUP LLP | 1.27M | $792.0M | 1.20% | Reduced -30.9% |
| NORGES BANK | 1.17M | $731.3M | 1.11% | New |
| GOLDMAN SACHS GROUP INC | 1.16M | $725.3M | 1.10% | Reduced -10.6% |
| AQR CAPITAL MANAGEMENT LLC | 1.13M | $702.2M | 1.07% | Reduced -8.5% |
| Amundi | 1.01M | $632.0M | 0.96% | Held |
| NORTHERN TRUST CORP | 916K | $571.5M | 0.87% | Reduced -2.7% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 846K | $527.7M | 0.80% | Added +5.2% |
| FMR LLC | 832K | $518.8M | 0.79% | Reduced -45.2% |
| Capital World Investors | 815K | $508.1M | 0.77% | Reduced -42.6% |
| Legal & General Group Plc | 760K | $473.9M | 0.72% | Added +3.8% |
| Bank of New York Mellon Corp | 758K | $473.0M | 0.72% | Reduced -0.9% |
Show the other 15 holders
This quarter
Who bought and who sold the most shares
Bought the most shares
- VANGUARD PORTFOLIO MANAGEMENT LLC +1.45M
- NORGES BANK +1.17M, new
- Dodge & Cox +413K
- Assenagon Asset Management S.A. +282K
- SG Americas Securities, LLC +269K
- NORDEA INVESTMENT MANAGEMENT AB +269K
- WORLDQUANT MILLENNIUM ADVISORS LLC +253K
- ARROWSTREET CAPITAL, LIMITED PARTNERSHIP +222K
- FIRST TRUST ADVISORS LP +200K
- STATE STREET CORP +170K
Sold the most shares
- FMR LLC -686K
- PRICE T ROWE ASSOCIATES INC /MD/ -648K
- Capital World Investors -604K
- WELLINGTON MANAGEMENT GROUP LLP -567K
- JPMORGAN CHASE & CO -538K
- AMERICAN CENTURY COMPANIES INC -500K
- VOYA INVESTMENT MANAGEMENT LLC -284K
- MANUFACTURERS LIFE INSURANCE COMPANY, THE -261K
- JANUS HENDERSON GROUP PLC -209K, sold out
- Polar Capital Holdings Plc -193K, sold out
Superinvestors
Superinvestors holding REGN
| Investor | Quarter | Shares | Value | % of portfolio | Last quarter |
|---|---|---|---|---|---|
| Dodge & Cox Dodge & Cox | Jun 30, 2026 | 4.87M | $3.0B | 1.63% | Added +9.3% |
| Mason Hawkins Southeastern Asset Management | Jun 30, 2026 | 152K | $95.0M | 4.95% | Added +16.6% |
More than 5%
13D filings: owners who may push for change
No Schedule 13D about REGN in the last year.