Security record
REGN
Regeneron Pharmaceuticals, Inc. · Healthcare · Biotechnology
169Tracked holders
-1Δ holders
76.12MShares 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 | 76.12M | $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 ↗ ×22 |
| 2 | Vanguard Capital Management Llc | 6.63M | -0.4% | $4.13B | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 3 | Dodge & Cox ✦ | 4.87M | +9.3% | $3.04B | 1.6% | ▲ Add | 9 | SEC ↗ |
| 4 | State Street Global Advisors ✦ (passive) | 4.83M | +3.6% | $3.01B | 0.1% | ▲ Add | 7 | SEC ↗ |
| 5 | Invesco Ltd. | 3.94M | +0.9% | $2.46B | 0.2% | ▲ Add | 3 | SEC ↗ ×22 |
| 6 | JPMorgan Chase ✦ | 3.77M | -12.5% | $2.38B | 0.1% | ▼ Trim | 4 | SEC ↗ ×20 |
| 7 | Franklin Resources Inc | 2.77M | +1.8% | $1.73B | 0.4% | ▲ Add | 3 | SEC ↗ ×15 |
| 8 | Geode Capital Management ✦ (passive) | 2.63M | +0.7% | $1.63B | 0.1% | ▲ Add | 9 | SEC ↗ ×2 |
| 9 | Nuveen, LLC | 2.02M | -2.2% | $1.26B | 0.3% | ▼ Trim | 3 | SEC ↗ ×4 |
| 10 | Loomis Sayles & Co L P | 1.86M | -2.8% | $1.16B | 1.5% | ▼ Trim | 3 | SEC ↗ ×2 |
| 11 | T. Rowe Price ✦ | 1.53M | -29.8% | $953.84M | 0.1% | ▼ Trim | 9 | SEC ↗ ×2 |
| 12 | Morgan Stanley ✦ | 1.40M | +5.9% | $871.53M | 0.0% | ▲ Add | 4 | SEC ↗ ×17 |
| 13 | Bank Of America Corp /De/ | 1.29M | +8.5% | $805.02M | 0.1% | ▲ Add | 3 | SEC ↗ ×8 |
| 14 | Wellington Management ✦ | 1.27M | -30.9% | $791.95M | 0.1% | ▼ Trim | 9 | SEC ↗ ×8 |
| 15 | Norges Bank ✦ (passive) | 1.17M | New | $731.29M | 0.1% | New | 1 | SEC ↗ |
| 16 | Goldman Sachs Group ✦ | 1.16M | -10.6% | $725.30M | 0.1% | ▼ Trim | 4 | SEC ↗ ×6 |
| 17 | AQR Capital Management ✦ | 1.13M | -8.5% | $702.16M | 0.2% | ▼ Trim | 9 | SEC ↗ ×10 |
| 18 | Amundi | 1.01M | +0.4% | $631.98M | 0.2% | ▲ Add | 3 | SEC ↗ ×6 |
| 19 | Northern Trust Corp | 916.47K | -2.7% | $571.45M | 0.1% | ▼ Trim | 3 | SEC ↗ ×8 |
| 20 | Charles Schwab Investment… | 846.31K | +5.2% | $527.71M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 21 | Fidelity (FMR) ✦ | 831.96K | -45.2% | $518.76M | 0.0% | ▼ Trim | 5 | SEC ↗ ×5 |
| 22 | Capital World Investors ✦ | 814.92K | -42.6% | $508.14M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 23 | Legal & General Group Plc | 759.97K | +3.8% | $473.87M | 0.1% | ▲ Add | 3 | SEC ↗ ×3 |
| 24 | Bank of New York Mellon Corp | 758.49K | -0.9% | $472.95M | 0.1% | ▼ Trim | 3 | SEC ↗ ×19 |
| 25 | UBS AM, a distinct business unit of… | 716.56K | -1.0% | $446.80M | 0.1% | ▼ Trim | 3 | SEC ↗ ×11 |
| 26 | Two Sigma Investments ✦ | 656.12K | -19.2% | $409.12M | 0.3% | ▼ Trim | 8 | SEC ↗ |
| 27 | Dimensional Fund Advisors Lp | 559.69K | +9.1% | $349.04M | 0.1% | ▲ Add | 3 | SEC ↗ ×5 |
| 28 | First Trust Advisors Lp | 547.13K | +57.7% | $341.16M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 29 | Deutsche Bank Ag\ | 518.41K | -17.1% | $323.25M | 0.1% | ▼ Trim | 3 | SEC ↗ ×15 |
| 30 | Assenagon Asset Management S.A. | 489.85K | +135.8% | $305.44M | 0.2% | ▲ Add | 3 | SEC ↗ ×2 |
| 31 | Robeco Institutional Asset… | 460.60K | +32.1% | $287.20M | 0.4% | ▲ Add | 3 | SEC ↗ |
| 32 | Man Group plc | 436.96K | +38.6% | $272.46M | 0.5% | ▲ Add | 3 | SEC ↗ ×2 |
| 33 | Neuberger Berman Group LLC | 421.98K | -1.2% | $263.12M | 0.2% | ▼ Trim | 3 | SEC ↗ ×2 |
| 34 | Bnp Paribas Financial Markets | 399.85K | -10.8% | $249.32M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 35 | Arrowstreet Capital ✦ | 393.69K | +129.5% | $245.48M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 36 | Hsbc Holdings Plc | 382.03K | +18.1% | $238.53M | 0.1% | ▲ Add | 3 | SEC ↗ ×8 |
| 37 | Allianz Asset Management GmbH | 380.62K | +26.4% | $237.33M | 0.2% | ▲ Add | 3 | SEC ↗ ×5 |
| 38 | National Pension Service | 379.81K | +2.2% | $236.83M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 39 | Pacer Advisors, Inc. | 369.45K | +3.0% | $230.37M | 0.6% | ▲ Add | 3 | SEC ↗ |
| 40 | Nordea Investment Management Ab | 363.48K | +285.4% | $227.37M | 0.2% | ▲ Add | 3 | SEC ↗ ×3 |
| 41 | Alliancebernstein L.P. | 292.34K | -31.5% | $225.87M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 42 | Citigroup Inc | 346.64K | +87.7% | $216.14M | 0.1% | ▲ Add | 3 | SEC ↗ ×3 |
| 43 | BNP Paribas Asset Management… | 331.56K | +21.4% | $206.74M | 0.2% | ▲ Add | 3 | SEC ↗ ×2 |
| 44 | UBS Group AG | 298.23K | -0.6% | $185.96M | 0.0% | ▼ Trim | 3 | SEC ↗ ×7 |
| 45 | Swiss National Bank | 293.02K | -3.3% | $182.71M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 46 | Sumitomo Mitsui Trust Group, Inc. | 282.20K | +3.1% | $175.96M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 47 | FIL Ltd | 265.49K | -14.2% | $165.54M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 48 | Td Asset Management Inc | 259.32K | -26.1% | $161.69M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 49 | Mitsubishi UFJ Asset Management… | 257.45K | +7.0% | $160.53M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 50 | Federated Hermes, Inc. | 256.88K | +0.8% | $160.18M | 0.2% | ▲ Add | 3 | SEC ↗ ×4 |
| 51 | Barclays Plc | 256.19K | -18.2% | $159.75M | 0.1% | ▼ Trim | 3 | SEC ↗ ×5 |
| 52 | Caisse De Depot Et Placement Du… | 250.61K | -23.8% | $156.26M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 53 | Russell Investments Group, Ltd. | 230.15K | +0.9% | $143.64M | 0.1% | ▲ Add | 3 | SEC ↗ ×22 |
| 54 | Ameriprise Financial Inc | 227.46K | -28.9% | $142.24M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 55 | California Public Employees… | 224.27K | +2.5% | $139.84M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 56 | Qube Research & Technologies Ltd | 221.61K | +165.8% | $138.18M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 57 | Canada Pension Plan Investment Board | 209.91K | +11.9% | $130.89M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 58 | Squarepoint Ops LLC | 198.57K | +22.0% | $123.81M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 59 | Swedbank AB | 189.85K | -11.9% | $118.38M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 60 | Bank Of Nova Scotia | 181.71K | +86.3% | $113.30M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 61 | Susquehanna International Group, Llp | 180.22K | +488.6% | $112.37M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 62 | Chevy Chase Trust Holdings, LLC | 179.06K | -13.0% | $111.65M | 0.3% | ▼ Trim | 3 | SEC ↗ ×2 |
| 63 | Royal Bank Of Canada | 174.51K | -50.3% | $108.82M | 0.0% | ▼ Trim | 3 | SEC ↗ ×10 |
| 64 | Raymond James Financial Inc | 172.90K | +4.4% | $107.81M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 65 | Millennium Management ✦ | 165.12K | +163.2% | $102.96M | 0.1% | ▲ Add | 9 | SEC ↗ |
| 66 | Rhumbline Advisers | 157.79K | 0.0% | $98.39M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 67 | Pictet Asset Management Holding SA | 153.50K | -54.5% | $96.46M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 68 | Renaissance Technologies ✦ | 148.22K | +121.9% | $92.42M | 0.1% | ▲ Add | 9 | SEC ↗ |
| 69 | Manufacturers Life Insurance… | 147.96K | -63.8% | $92.26M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 70 | Wells Fargo & Company/Mn | 140.80K | -0.9% | $87.80M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 71 | Mackenzie Financial Corp | 135.78K | +57.3% | $84.67M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 72 | Prudential Financial Inc | 130.66K | -7.0% | $81.47M | 0.1% | ▼ Trim | 3 | SEC ↗ ×2 |
| 73 | Victory Capital Management Inc | 126.34K | -2.1% | $78.78M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 74 | National Bank Of Canada /Fi/ | 125.81K | -3.2% | $78.45M | 0.1% | ▼ Trim | 3 | SEC ↗ ×4 |
| 75 | Principal Financial Group Inc | 121.05K | +0.5% | $75.48M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 76 | ProShare Advisors LLC | 119.24K | -21.8% | $74.35M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 77 | New York State Common Retirement… | 111.37K | -5.1% | $69.44M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 78 | Envestnet Asset Management Inc | 109.84K | +0.6% | $68.49M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 79 | Danske Bank A/S | 107.83K | +0.6% | $67.24M | 0.1% | ▲ Add | 3 | SEC ↗ ×3 |
| 80 | Gotham Asset Management ✦ | 105.17K | +26.9% | $65.57M | 0.2% | ▲ Add | 9 | SEC ↗ |
| 81 | Bank Of Montreal /Can/ | 103.25K | +20.7% | $64.38M | 0.0% | ▲ Add | 3 | SEC ↗ ×8 |
| 82 | Aberdeen Group plc | 101.57K | -16.3% | $63.33M | 0.1% | ▼ Trim | 3 | SEC ↗ ×3 |
| 83 | Universal- Beteiligungs- und… | 100.29K | -8.6% | $62.74M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 84 | Mariner, LLC | 100.09K | -19.3% | $62.42M | 0.1% | ▼ Trim | 3 | SEC ↗ ×2 |
| 85 | Parnassus Investments, Llc | 95.38K | -2.2% | $59.47M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 86 | Mirae Asset Global Investments Co.… | 93.63K | +10.7% | $58.38M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 87 | Aviva Plc | 91.49K | +0.3% | $57.05M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 88 | PFA Pension, Forsikringsaktieselskab | 90.71K | -2.3% | $56.56M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 89 | State Board Of Administration Of… | 88.20K | -2.0% | $55.00M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 90 | Healthcare Of Ontario Pension Plan… | 84.08K | +11.4% | $52.43M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 91 | Adage Capital Partners ✦ | 83.65K | -18.9% | $52.16M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 92 | Korea Investment CORP | 74.95K | +2.6% | $46.74M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 93 | Grantham, Mayo, Van Otterloo & Co.… | 74.20K | +34.0% | $46.27M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 94 | Allspring Global Investments… | 69.70K | +32.8% | $43.54M | 0.1% | ▲ Add | 3 | SEC ↗ ×3 |
| 95 | LPL Financial LLC | 65.75K | +2.8% | $41.00M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 96 | Mitsubishi UFJ Trust & Banking Corp | 65.52K | +29.1% | $40.86M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 97 | Voya Investment Management Llc | 65.50K | -81.3% | $40.85M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 98 | HighTower Advisors, LLC | 64.65K | +9.7% | $40.31M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 99 | Zurcher Kantonalbank (Zurich… | 63.64K | -28.4% | $39.68M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 100 | Clearbridge Investments, LLC | 63.64K | -13.8% | $39.68M | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $731.29M | 0.1% |
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): 1,385 holders, 83.52M shares, $61.43B 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)
Sep 02
Guarini Kathryn
Director · 400 sh · $340,000
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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