Security record
REGN
Regeneron Pharmaceuticals, Inc. · Healthcare · Biotechnology
169Tracked holders
-1Δ holders
76.07MShares held
$47.53BReported value
+5New positions
−5Exits
Momentum inputs (comparable managers):
holder breadth -0.6% ·
share flow -3.2% ·
net new positions 0.0%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 169 | -1 | 76.07M | $47.53B | +5 | −5 |
| Q1 2026 | 172 | -4 | 77.87M | $60.04B | +2 | −7 |
| Q4 2025 | 175 | 0 | 81.03M | $62.54B | +1 | — |
| Q3 2025 | 27 | -1 | 48.96M | $27.52B | — | −2 |
| Q2 2025 | 26 | +2 | 40.24M | $21.12B | +3 | −1 |
| Q1 2025 | 21 | +1 | 16.62M | $10.53B | +1 | — |
| Q4 2024 | 20 | -1 | 17.24M | $12.28B | — | −1 |
| Q3 2024 | 20 | +1 | 13.10M | $13.76B | +2 | −1 |
| Q2 2024 | 19 | — | 13.77M | $14.47B | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 21 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 22 | BlackRock ✦ (passive) | 9.11M | +1.9% | $5.68B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 23 | Vanguard Capital Management Llc | 6.63M | -0.4% | $4.13B | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 24 | Dodge & Cox ✦ | 4.87M | +9.3% | $3.04B | 1.6% | ▲ Add | 9 | SEC ↗ |
| 25 | State Street Global Advisors ✦ (passive) | 4.83M | +3.6% | $3.01B | 0.1% | ▲ Add | 7 | SEC ↗ |
| 26 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 27 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 28 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 29 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 30 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 31 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 32 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 33 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 34 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 35 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 36 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 37 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 38 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 39 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 40 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 41 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 42 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 43 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 44 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 45 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 46 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 47 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 48 | JPMorgan Chase ✦ | 3.77M | -12.5% | $2.38B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 49 | JPMorgan Chase ✦ | 3.77M | -12.5% | $2.38B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 50 | JPMorgan Chase ✦ | 3.77M | -12.5% | $2.38B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 51 | JPMorgan Chase ✦ | 3.77M | -12.5% | $2.38B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 52 | JPMorgan Chase ✦ | 3.77M | -12.5% | $2.38B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 53 | JPMorgan Chase ✦ | 3.77M | -12.5% | $2.38B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 54 | JPMorgan Chase ✦ | 3.77M | -12.5% | $2.38B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 55 | JPMorgan Chase ✦ | 3.77M | -12.5% | $2.38B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 56 | JPMorgan Chase ✦ | 3.77M | -12.5% | $2.38B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 57 | JPMorgan Chase ✦ | 3.77M | -12.5% | $2.38B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 58 | JPMorgan Chase ✦ | 3.77M | -12.5% | $2.38B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 59 | JPMorgan Chase ✦ | 3.77M | -12.5% | $2.38B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 60 | JPMorgan Chase ✦ | 3.77M | -12.5% | $2.38B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 61 | JPMorgan Chase ✦ | 3.77M | -12.5% | $2.38B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 62 | JPMorgan Chase ✦ | 3.77M | -12.5% | $2.38B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 63 | JPMorgan Chase ✦ | 3.77M | -12.5% | $2.38B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 64 | JPMorgan Chase ✦ | 3.77M | -12.5% | $2.38B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 65 | JPMorgan Chase ✦ | 3.77M | -12.5% | $2.38B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 66 | JPMorgan Chase ✦ | 3.77M | -12.5% | $2.38B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 67 | JPMorgan Chase ✦ | 3.77M | -12.5% | $2.38B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 68 | Franklin Resources Inc | 2.77M | +1.8% | $1.73B | 0.4% | ▲ Add | 3 | SEC ↗ |
| 69 | Franklin Resources Inc | 2.77M | +1.8% | $1.73B | 0.4% | ▲ Add | 3 | SEC ↗ |
| 70 | Franklin Resources Inc | 2.77M | +1.8% | $1.73B | 0.4% | ▲ Add | 3 | SEC ↗ |
| 71 | Franklin Resources Inc | 2.77M | +1.8% | $1.73B | 0.4% | ▲ Add | 3 | SEC ↗ |
| 72 | Franklin Resources Inc | 2.77M | +1.8% | $1.73B | 0.4% | ▲ Add | 3 | SEC ↗ |
| 73 | Franklin Resources Inc | 2.77M | +1.8% | $1.73B | 0.4% | ▲ Add | 3 | SEC ↗ |
| 74 | Franklin Resources Inc | 2.77M | +1.8% | $1.73B | 0.4% | ▲ Add | 3 | SEC ↗ |
| 75 | Franklin Resources Inc | 2.77M | +1.8% | $1.73B | 0.4% | ▲ Add | 3 | SEC ↗ |
| 76 | Franklin Resources Inc | 2.77M | +1.8% | $1.73B | 0.4% | ▲ Add | 3 | SEC ↗ |
| 77 | Franklin Resources Inc | 2.77M | +1.8% | $1.73B | 0.4% | ▲ Add | 3 | SEC ↗ |
| 78 | Franklin Resources Inc | 2.77M | +1.8% | $1.73B | 0.4% | ▲ Add | 3 | SEC ↗ |
| 79 | Franklin Resources Inc | 2.77M | +1.8% | $1.73B | 0.4% | ▲ Add | 3 | SEC ↗ |
| 80 | Franklin Resources Inc | 2.77M | +1.8% | $1.73B | 0.4% | ▲ Add | 3 | SEC ↗ |
| 81 | Franklin Resources Inc | 2.77M | +1.8% | $1.73B | 0.4% | ▲ Add | 3 | SEC ↗ |
| 82 | Franklin Resources Inc | 2.77M | +1.8% | $1.73B | 0.4% | ▲ Add | 3 | SEC ↗ |
| 83 | Geode Capital Management ✦ (passive) | 2.63M | +0.7% | $1.63B | 0.1% | ▲ Add | 9 | SEC ↗ |
| 84 | Geode Capital Management ✦ (passive) | 2.63M | +0.7% | $1.63B | 0.1% | ▲ Add | 9 | SEC ↗ |
| 85 | Nuveen, LLC | 2.02M | -2.2% | $1.26B | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 86 | Nuveen, LLC | 2.02M | -2.2% | $1.26B | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 87 | Nuveen, LLC | 2.02M | -2.2% | $1.26B | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 88 | Nuveen, LLC | 2.02M | -2.2% | $1.26B | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 89 | Loomis Sayles & Co L P | 1.86M | -2.8% | $1.16B | 1.5% | ▼ Trim | 3 | SEC ↗ |
| 90 | Loomis Sayles & Co L P | 1.86M | -2.8% | $1.16B | 1.5% | ▼ Trim | 3 | SEC ↗ |
| 91 | T. Rowe Price ✦ | 1.53M | -29.8% | $953.84M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 92 | T. Rowe Price ✦ | 1.53M | -29.8% | $953.84M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 93 | Morgan Stanley ✦ | 1.40M | +5.9% | $871.53M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 94 | Morgan Stanley ✦ | 1.40M | +5.9% | $871.53M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 95 | Morgan Stanley ✦ | 1.40M | +5.9% | $871.53M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 96 | Morgan Stanley ✦ | 1.40M | +5.9% | $871.53M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 97 | Morgan Stanley ✦ | 1.40M | +5.9% | $871.53M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 98 | Morgan Stanley ✦ | 1.40M | +5.9% | $871.53M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 99 | Morgan Stanley ✦ | 1.40M | +5.9% | $871.53M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 100 | Morgan Stanley ✦ | 1.40M | +5.9% | $871.53M | 0.0% | ▲ Add | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Jennison Associates Llc | $89.01M | was 0.1% |
| Capital Research Global… | $78.72M | was 0.0% |
| Fisher Asset Management | $3.91M | was 0.0% |
| Point72 Asset Management | $1.68M | was 0.0% |
| 1832 Asset Management L.P. | $1.55M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 2 holders, 20.80K shares, $1.33M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 10
Guarini Kathryn
Director · 400 sh · $320,000
Aug 10
Zoghbi Huda Y
Director · 800 sh · $640,000
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
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