Regeneron Pharmaceuticals Ownership | Who Owns Regeneron Pharmaceuticals?
Regeneron Pharmaceuticals Ownership Summary
Regeneron Pharmaceuticals is owned by 88.44% institutional investors, 2.08% insiders, and 9.48% retail investors. Vanguard group is the largest institutional shareholder, holding 8.82% of REGN shares. Vanguard Morn Total Stk Mkt Idx Investor is the top mutual fund, with 3.18% of its assets in Regeneron Pharmaceuticals shares.
REGN Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Regeneron Pharmaceuticals | 88.44% | 2.08% | 9.48% |
| Sector | Healthcare Stocks | 246.48% | 12.12% | -158.60% |
| Industry | Biotech Stocks | 384.82% | 11.76% | -296.58% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 9.08M | 8.82% | $7.00B |
| Blackrock funding, inc. /de | 9.11M | 8.76% | $5.68B |
| Blackrock | 8.45M | 7.84% | $8.88B |
| Vanguard capital management | 6.63M | 6.37% | $4.13B |
| Dodge & cox | 4.87M | 4.68% | $3.04B |
| State street | 4.83M | 4.65% | $3.01B |
| Invesco | 3.94M | 3.79% | $2.46B |
| Jpmorgan chase | 3.77M | 3.63% | $2.38B |
| Franklin resources | 2.77M | 2.67% | $1.73B |
| Geode capital management | 2.63M | 2.52% | $1.63B |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Bronte capital management pty | 162.62K | 10.89% | $101.40M |
| Mcdonald capital investors inc/ca | 172.65K | 10.75% | $130.91M |
| Davern capital partners, lp | 92.64K | 9.85% | $57.76M |
| Rk asset management | 12.66K | 9.22% | $9.77M |
| Solas capital management | 18.22K | 6.25% | $10.24M |
| Orion investment | 29.50K | 5.37% | $18.40M |
| Southeastern asset management inc/tn/ | 152.32K | 4.95% | $94.98M |
| Guoline advisory pte | 67.30K | 4.39% | $51.03M |
| Diadema partners lp | 30.16K | 4.34% | $16.96M |
| Superstring capital management lp | 6.40K | 3.55% | $3.60M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Invesco | 3.94M | 0.19% | 1.76M |
| Norges bank | 1.17M | 0.07% | 1.17M |
| Sixth street partners management company | 846.31K | 0.07% | 846.31K |
| Dodge & cox | 4.87M | 1.59% | 412.90K |
| Sg americas securities | 427.70K | 0.15% | 269.43K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Capital investors | - | - | -876.56K |
| Fmr | 831.96K | 0.02% | -686.23K |
| Price t rowe associates inc /md/ | 1.53M | 0.10% | -647.82K |
| Capital world investors | 814.92K | 0.06% | -604.08K |
| Wellington management group llp | 1.27M | 0.14% | -567.37K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 1.17M | 0.07% | 1.17M | $731.29M |
| Sixth street partners management company | 846.31K | 0.07% | 846.31K | $527.71M |
| Axa investment managers | 62.29K | 0.09% | 62.29K | $35.02M |
| Smith group asset management | 40.11K | 1.99% | 40.11K | $30.42M |
| Hrt financial lp | 36.09K | 0.04% | 36.09K | $22.50M |
Sold Out
| Holder | Change |
|---|---|
| Proffitt & goodson | -1.00 |
| Greenline partners | -1.00 |
| Triad wealth partners | -1.00 |
| Financial gravity asset management | -1.00 |
| Palisade asset management | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 1,374 | -5.63% | 91,982,745 | 3.63% | 88 | 1.21% | 603 | -15.55% | 533 | 14.87% |
| Mar 31, 2026 | 1,416 | -2.07% | 85,326,286 | -4.30% | 81 | 1.09% | 698 | -9.11% | 449 | -2.18% |
| Dec 31, 2025 | 930 | -28.68% | 49,033,116 | -43.67% | 47 | 0.69% | 498 | -24.89% | 295 | -27.34% |
| Sep 30, 2025 | 813 | -35.17% | 39,624,504 | -53.33% | 37 | 0.58% | 418 | -25.36% | 267 | -43.79% |
| Jun 30, 2025 | 1,254 | -5.93% | 89,298,391 | -2.58% | 84 | 1.15% | 562 | -14.07% | 469 | 2.85% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Morn Total Stk Mkt Idx Investor | 3.27M | 3.18% | -35.66K |
| Vanguard US Total Market Shares ETF | 3.44M | 3.14% | 178.74K |
| Vanguard Total Stock Mkt Idx Inv | 3.27M | 3.12% | -35.66K |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.21M | 3.12% | -62.72K |
| Dodge & Cox Stock I | 3.09M | 3.00% | -33.08K |
| Vanguard Institutional 500 Index Trust | 2.99M | 2.77% | 22.25K |
| Vanguard 500 Index Investor | 2.57M | 2.50% | -79.31K |
| Invesco QQQ Trust | 2.11M | 2.05% | -3.45K |
| iShares Core S&P 500 ETF | 1.31M | 1.27% | -2.11K |
| Fidelity 500 Index | 1.30M | 1.26% | 4.98K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Oct 14, 2026 | MURPHY ANDREW J | Co-Chief Scientific Officer | Sell | $12.12K |
| Oct 14, 2026 | MURPHY ANDREW J | Co-Chief Scientific Officer | Sell | $18.20K |
| Oct 14, 2026 | MURPHY ANDREW J | Co-Chief Scientific Officer | Sell | $26.46K |
| Oct 14, 2026 | MURPHY ANDREW J | Co-Chief Scientific Officer | Sell | $4.52K |
| Oct 14, 2026 | MURPHY ANDREW J | Co-Chief Scientific Officer | Sell | $10.64K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q4 | - | 27 |
| 2026 Q3 | - | 6 |
| 2026 Q2 | - | 21 |
| 2026 Q1 | - | 49 |
| 2025 Q4 | - | 8 |
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