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REGN — REGENERON PHARMACEUTICALS INC.

Reported value held$36.14B
Funds holding (latest)65
SectorHealth Care

Index member: Invesco QQQ Trust · S&P 500

Funds holding (Q2 2026)46
Institutional value$28.72B · 47.55M sh
New / Add / Cut / Exit1 / 24 / 20 / 2
Top-5 / Top-10 concentration53.2% / 70.4%
Institutional holdings change Accumulating +12.1% (+5.14M sh)
Institutional value change Down -7.6%

As of Q2 2026, 46 SEC-registered investment managers reported holding REGN (REGENERON PHARMACEUTICALS INC.) in their latest 13F filings, with a combined reported value of $28.72B across 47.55M shares. That is +12.1% by share count (+5.14M shares) versus the previous quarter, while reported value moved -7.6%. Ownership is concentrated: the five largest holders account for 53.2% of reported value and the top ten for 70.4%.

Compared with the prior quarter, 1 opened new positions, 24 added to existing stakes, 20 trimmed, 2 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.

REGN is a constituent of the Invesco QQQ Trust, S&P 500 and is classified in the Health Care sector.

All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.

FundQuarterSharesValuePortfolio WeightChange
Vanguard Group history Q4 2025 9.08M $7.00B 0.10% Hold
BlackRock Inc history Q2 2026 9.11M $5.68B 0.09% Add
Dodge & Cox history Q2 2026 4.87M $3.04B 1.59% Add
Invesco Ltd history Q2 2026 3.94M $2.46B 0.20% Add
JPMorgan Chase & Co history Q2 2026 3.77M $2.38B 0.28% New
Franklin Resources history Q2 2026 2.77M $1.73B 0.40% Add
Geode Capital Management history Q2 2026 2.63M $1.63B 0.09% Add
Morgan Stanley history Q2 2026 1.40M $871.53M 0.05% Add
Goldman Sachs Group history Q2 2026 1.33M $831.98M 0.07% Reduce
Bank of America Corp history Q2 2026 1.29M $805.02M 0.05% Add
Wellington Management Group history Q2 2026 1.27M $791.95M 0.14% Reduce
Norges Bank Investment Management history Q2 2026 1.17M $731.29M 0.07% Reduce
AQR Capital Management history Q2 2026 1.13M $702.16M 0.24% Reduce
Amundi US history Q2 2026 1.01M $631.98M 0.16% Hold
Northern Trust Corp history Q2 2026 916.47K $571.45M 0.07% Reduce
Charles Schwab Investment Management history Q2 2026 846.31K $527.71M 0.07% Add
Fidelity Management & Research (FMR) history Q2 2026 831.96K $518.76M 0.03% Reduce
Capital World Investors history Q2 2026 814.92K $508.14M 0.06% Reduce
Legal & General Investment Management America history Q2 2026 759.97K $473.87M 0.10% Add
BNY Mellon history Q2 2026 758.49K $472.95M 0.08% Reduce

View all 65 fund holders →

New Positions (Q2 2026)

Fully Exited (vs previous quarter)

Fund Position History — shares by quarter (top 20 funds)

FundQ3 2021Q4 2021Q1 2022Q2 2022Q3 2022Q4 2022Q1 2023Q2 2023Q3 2023Q4 2023Q1 2024Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
BlackRock Inc — — — — — — — — — — — — 8.48M 8.73M 8.93M 9.28M 8.84M 8.74M 8.95M 9.11M
Dodge & Cox — 279.12K 2.24M 2.27M 2.29M 2.22M 2.38M 2.39M 2.37M 2.37M 2.36M 2.32M 2.31M 2.32M 2.32M 3.83M 4.55M 4.60M 4.46M 4.87M
Invesco Ltd 484.44K 588.21K 602.93K 628.19K 641.32K 692.86K 884.75K 909.06K 743.35K 765.01K 986.07K 916.42K 1.16M 864.25K 850.75K 1.08M 1.48M 1.59M 1.72M 3.94M
JPMorgan Chase & Co 4.10M 4.59M 500 500 500 3.60K 15.00K 32.70K 7.42M 42.40K 35.00K 32.10K 42.10K 37.20K 12.80K 3.10K 21.40K 21.00K — 3.77M
Franklin Resources 605.65K 632.45K 563.76K 524.69K 526.20K 503.47K 489.78K 488.66K 483.21K 484.11K 1.69M 1.92M 2.24M 2.05M 2.28M 2.31M 2.45M 2.56M 2.72M 2.77M
Geode Capital Management 1.74M 1.98M 2.09M 2.21M 2.24M 2.21M 2.22M 2.28M 2.32M 2.35M 2.38M 2.42M 2.27M 2.43M 2.47M 2.47M 2.54M 2.52M 2.61M 2.63M
Morgan Stanley 494.69K 536.03K 458.51K 758.04K 800.30K 889.38K 912.28K 945.16K 970.96K 1.14M 1.34M 1.34M 1.19M 1.43M 1.25M 1.29M 1.45M 1.39M 1.32M 1.40M
Goldman Sachs Group 465.09K 384.55K 413.85K 425.32K 450.51K 700.11K 554.48K 581.83K 444.47K 437.58K 474.02K 997.18K 962.44K 1.04M 1.14M 1.09M 1.24M 1.33M 1.50M 1.33M
Bank of America Corp 1.16M 1.22M 1.17M 1.08M 1.11M 928.28K 1.11M 920.45K 927.76K 970.81K 969.47K 1.09M 1.10M 1.04M 1.08M 1.23M 1.17M 1.16M 1.19M 1.29M
Wellington Management Group 3.37M 3.13M 2.89M 2.38M 2.44M 2.42M 1.77M 1.67M 1.51M 1.10M 1.09M 1.06M 440.61K 148.83K 17.41K 71.16K 7.62K 664.47K 1.84M 1.27M
Norges Bank Investment Management — — — — — 966.47K — — — 1.06M — 1.13M — 1.13M — 1.20M — 1.31M — 1.17M
AQR Capital Management 276.03K 449.62K 508.78K 550.42K 430.30K 309.15K 240.77K 219.65K 190.17K 195.88K 182.45K 189.29K 225.53K 207.09K 235.95K 114.74K 721.35K 995.71K 1.23M 1.13M
Amundi US 426.46K 460.33K 498.93K 554.51K 655.19K 695.43K 772.22K 684.71K 685.29K 914.12K 1.06M 1.06M 1.06M 1.55M 1.60M 897.13K 621.74K 791.91K 1.01M 1.01M
Northern Trust Corp 1.20M 1.20M 1.20M 1.20M 1.19M 1.16M 1.15M 1.03M 1.07M 1.05M 991.47K 966.73K 918.64K 1.05M 1.00M 958.57K 984.79K 944.93K 941.94K 916.47K
Charles Schwab Investment Management 529.53K 556.29K 562.14K 570.46K 573.00K 586.94K 595.60K 600.04K 598.06K 620.62K 638.22K 661.76K 673.26K 695.80K 710.34K 720.27K 755.57K 778.00K 804.51K 846.31K
Fidelity Management & Research (FMR) 11.07M 10.06M 9.98M 10.18M 10.81M 11.10M 9.44M 9.17M 9.84M 10.32M 10.79M 10.65M 10.36M 8.20M 7.60M 3.33M 1.94M 2.32M 1.52M 831.96K
Capital World Investors 5.32M 5.32M 5.95M 6.23M 6.23M 6.24M 5.83M 5.55M 5.11M 5.13M 4.65M 4.64M 4.30M 2.78M 1.94M 1.97M 2.00M 1.40M 1.42M 814.92K
Legal & General Investment Management America 766.12K 750.51K 807.90K 883.29K 872.99K 831.37K 849.13K 847.13K 820.21K 985.54K 977.94K 978.11K 959.13K 777.48K 747.03K 739.58K 770.36K 743.03K 732.05K 759.97K
BNY Mellon 880.82K 884.02K 917.06K 957.86K 1.02M 984.47K 993.97K 964.75K 967.41K 948.58K 886.54K 864.24K 715.08K 689.26K 698.25K 656.62K 671.63K 764.24K 765.41K 758.49K
Two Sigma Investments 34.97K 357.12K 207.43K — — 32.16K 189.29K 123.63K 88.72K 65.22K 4.78K — 22.39K 34.54K 372.07K 499.83K 469.90K 281.15K 812.24K 656.12K

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