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RGEN — REPLIGEN CORP

Reported value held$2.54B
Funds holding (latest)50
SectorHealth Care
Funds holding (Q2 2026)42
Institutional value$1.65B · 105.35M sh
New / Add / Cut / Exit7 / 15 / 12 / 1
Top-5 / Top-10 concentration56.7% / 78.8%
Institutional holdings change Accumulating +9.8% (+9.40M sh)
Institutional value change Up +32.3%

As of Q2 2026, 42 SEC-registered investment managers reported holding RGEN (REPLIGEN CORP) in their latest 13F filings, with a combined reported value of $1.65B across 105.35M shares. That is +9.8% by share count (+9.40M shares) versus the previous quarter, while reported value moved +32.3%. Ownership is concentrated: the five largest holders account for 56.7% of reported value and the top ten for 78.8%.

Compared with the prior quarter, 7 opened new positions, 15 added to existing stakes, 12 trimmed, 1 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.

RGEN 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 4.99M $818.31M 0.01% Reduce
Maverick Capital history Q2 2026 1.98M $270.77M 2.45% Add
MFS Investment Management history Q2 2026 1.62M $220.61M 0.07% Add
Invesco Ltd history Q2 2026 1.39M $189.28M 0.02% Add
Geode Capital Management history Q2 2026 1.06M $145.00M 0.01% Hold
UBS Group AG history Q2 2026 795.01K $108.47M 0.01% Add
Baron Funds history Q2 2026 748.47K $102.12M 0.24% Add
Norges Bank Investment Management history Q2 2026 575.23K $78.48M 0.01% Add
Charles Schwab Investment Management history Q2 2026 481.74K $65.73M 0.01% Add
Northern Trust Corp history Q2 2026 444.15K $60.60M 0.01% Hold
Citadel Advisors history Q2 2026 427.11K $58.27M 0.01% Reduce
Bank of America Corp history Q2 2026 426.29K $58.16M 0.00% Reduce
Franklin Resources history Q2 2026 53.19M $54.67M 0.01% Hold
Balyasny Asset Management history Q2 2026 355.51K $48.51M 0.06% Add
Farallon Capital Management history Q1 2022 222.98K $41.94M 0.23% Add
Marshall Wace history Q2 2026 282.11K $38.49M 0.03% New
Royce & Associates history Q2 2026 174.79K $23.85M 0.19% Add
Point72 Asset Management history Q2 2026 166.16K $22.67M 0.03% Reduce
Principal Global Investors history Q2 2026 120.38K $16.43M 0.01% Reduce
Renaissance Technologies history Q3 2025 109.40K $14.62M 0.02% Add

View all 50 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
Maverick Capital — — — — — — — — — — — — — — — — — — 1.52M 1.98M
MFS Investment Management — — — — 194.55K 264.48K 267.37K — — — — — — — — — — 1.22M 1.40M 1.62M
Invesco Ltd 1.16M 1.69M 1.76M 1.88M 1.85M 1.57M 1.39M 270.00K 270.00K 4.80M 1.24M 1.31M 1.06M 4.50M 4.50M 1.38M 873.04K 1.26M 1.28M 1.39M
Geode Capital Management 666.24K 682.44K 707.50K 706.47K 714.20K 759.77K 785.60K 834.27K 852.20K 882.98K 921.42K 945.16K 942.37K 944.08K 991.56K 980.74K 1.03M 1.03M 1.06M 1.06M
UBS Group AG 49.05K 54.91K 30.90K 1.00K 28.26K 45.78K 65.88K 105.17K 42.02K 46.73K 81.75K 73.90K 93.20K 188.81K 241.07K 1.46M 456.93K 348.39K 670.33K 795.01K
Baron Funds — — — — 6.80K 8.60K 220.97K 359.02K 458.78K 445.76K 381.29K 172.51K 167.02K 160.23K 204.97K 274.44K 381.68K 544.78K 548.35K 748.47K
Norges Bank Investment Management — — — — — 449.80K — — — 268.12K — 204.72K — 166.97K — 249.17K — 462.09K — 575.23K
Charles Schwab Investment Management 273.77K 281.19K 288.19K 293.86K 294.89K 307.26K 312.26K 318.00K 326.67K 342.45K 352.21K 357.90K 363.38K 377.90K 396.15K 406.26K 422.09K 430.70K 453.04K 481.74K
Northern Trust Corp 430.04K 423.86K 415.33K 400.95K 399.58K 452.29K 455.69K 460.71K 471.92K 447.44K 393.62K 449.28K 391.70K 493.71K 498.45K 469.82K 464.13K 446.15K 444.75K 444.15K
Citadel Advisors 160.06K 200.53K 117.28K 150.41K 111.09K 101.56K 62.29K 147.14K 430.55K 13.50M 352.14K 119.72K 591.46K 1.26M 6.00M 1.14M 11.93M 1.43M 1.16M 427.11K
Bank of America Corp 590.77K 1.00K 136.00K 2.00K 522.52K 441.79K 438.13K 391.05K 446.16K 445.92K 422.79K 404.90K 436.35K 277.95K 166.00K 822.00K 1.32M 1.16M 1.03M 426.29K
Franklin Resources 1.06M 1.07M 1.07M 1.07M 1.07M 1.07M 1.02M 707.44K 533.75K 45.00M 283.98K 305.74K 332.40K 358.24K 369.21K 382.31K 52.37M 53.19M 53.19M 53.19M
Balyasny Asset Management — 1.93K 9.71M 14.49M 1.21K 12.50M 80.77K 15.20M 15.20M 25.00M 77.18K — — — 50.15K 156.40K 767.24K 115.05K 125.47K 355.51K
Marshall Wace 520.13K 374.63K 364.25K 372.88K 194.31K 63.15K 186.23K 449.49K 334.28K 320.78K 360.69K 364.55K 237.22K 412.24K 84.77K 84.19K 181.06K 516.34K — 282.11K
Royce & Associates — — 90.20K 127.22K 100.09K 92.44K 10.74K — — — — — — — — 89.52K 148.66K 146.97K 115.93K 174.79K
Point72 Asset Management 76.41K 112.69K 155.88K 502.34K 307.10K 84.18K — 41 — 10.00M 581.43K 315.05K 324.43K 918.62K 1.12M 1.91M 1.44M 1.01M 5.00M 166.16K
Principal Global Investors 178.34K 191.11K 175.25K 204.67K 203.28K 204.10K 204.97K 195.82K 192.68K 262.71K 345.44K 173.43K 120.99K 119.91K 186.72K 118.61K 117.43K 198.20K 159.75K 120.38K
BlackRock Inc — — — — — — — — — — — — 7.11M 5.90M 5.90M 5.77M 5.95M 19.66M 9.75M 12.25M
JPMorgan Chase & Co 14.95M 13.91M 15.65M 15.81M 7.70K 16.10K 7.70K 14.77M 13.07M 9.66M 2.50K 9.85M 363.50K 6.18M 4.79M 4.18M 8.04M 4.62M — 12.12M
D. E. Shaw & Co 27.07K 41.34K 44.97K 52.40K 54.49K 29.78K 15.30K 36.42K 40.08K 97.48K 125.41K 26.37K 25.00K 50.06K 22.61K 25.63K 284.83K 26.30K 26.30K 83.33K

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