How many shares of RGEN does FRED ALGER MANAGEMENT, LLC own?

As of 2026-Q2, FRED ALGER MANAGEMENT, LLC holds 733,739 shares of RGEN (REPLIGEN CORP).

What is FRED ALGER MANAGEMENT, LLC's RGEN position worth?

As of 2026-Q2, FRED ALGER MANAGEMENT, LLC's RGEN position is worth $100.1M.

Is FRED ALGER MANAGEMENT, LLC buying or selling RGEN?

In 2026-Q2, FRED ALGER MANAGEMENT, LLC increased their RGEN position (+68.8% change in shares).

When did FRED ALGER MANAGEMENT, LLC first buy RGEN?

Based on available 13F filings, FRED ALGER MANAGEMENT, LLC first reported a position in RGEN in 2018-Q4. They have held the position across 31 quarters.

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FRED ALGER MANAGEMENT, LLC

RGEN
31 quarters

Position history for FRED ALGER MANAGEMENT, LLC's holdings in REPLIGEN CORP

Current Value

$100.1M

Current Shares

733,739

Total Value Change

+$42.4M

Total Shares Change

-361,252

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	733,739	+68.8%	$100.1M	0.3%	$136.44	53
2026-Q1	Decreased	434,774	-52.3%	$51.2M	0.2%	$123.06	0
2025-Q4	Increased	911,527	+154.3%	$149.4M	0.6%	$166.59	69
2025-Q3	Increased	358,422	+19.6%	$47.9M	0.2%	$124.09	41
2025-Q2	Decreased	299,556	-31.5%	$37.3M	0.2%	$123.56	0
2025-Q1	Increased	437,037	+21.6%	$55.6M	0.3%	$133.41	42
2024-Q4	Decreased	359,507	-9.8%	$51.7M	0.2%	$143.81	0
2024-Q3	Increased	398,554	+29.5%	$59.3M	0.3%	$145.93	44
2024-Q2	Decreased	307,723	-27.8%	$38.8M	0.2%	$126.06	0
2024-Q1	Decreased	426,292	-0.5%	$78.4M	0.4%	$183.92	0
2023-Q4	Decreased	428,484	-11.6%	$77M	0.4%	$179.80	0
2023-Q3	Decreased	484,722	-15.0%	$77.1M	0.4%	$159.01	0
2023-Q2	Decreased	570,131	-3.6%	$80.7M	0.4%	$138.42	0
2023-Q1	Increased	591,488	+42.5%	$99.6M	0.5%	$169.57	57
2022-Q4	Decreased	415,229	-15.7%	$70.3M	0.4%	$169.31	0
2022-Q3	Decreased	492,296	-24.0%	$92.1M	0.5%	$191.06	0
2022-Q2	Decreased	647,467	-36.9%	$105.1M	0.5%	$165.85	0
2022-Q1	Decreased	1M	-15.8%	$193M	0.6%	$188.56	0
2021-Q4	Decreased	1.2M	-22.6%	$322.7M	0.8%	$260.98	0
2021-Q3	Increased	1.6M	+13.6%	$454.9M	1.1%	$286.19	56
2021-Q2	Decreased	1.4M	-6.2%	$276.7M	0.7%	$204.03	0
2021-Q1	Increased	1.5M	+12.7%	$287.2M	0.8%	$189.21	49
2020-Q4	Increased	1.3M	+14.6%	$251.2M	0.7%	$189.14	50
2020-Q3	Increased	1.1M	+12.9%	$168.8M	0.5%	$150.59	41
2020-Q2	Decreased	1M	-51.1%	$125.3M	0.4%	$119.09	0
2020-Q1	Increased	2.1M	+68.0%	$200M	0.4%	$95.82	54
2019-Q4	Decreased	1.2M	-10.4%	$114M	0.4%	$91.89	0
2019-Q3	Decreased	1.4M	-25.6%	$105.6M	0.4%	$76.65	0
2019-Q2	Increased	1.8M	+12.6%	$159M	0.6%	$85.95	48
2019-Q1	Increased	1.6M	+50.0%	$97.1M	0.4%	$59.08	50
2018-Q4	New	1.1M	-	$57.8M	0.3%	$51.33	49

Other major holders of RGEN: BNP PARIBAS FINANCIAL MARKETS, BlackRock Finance, Inc., BlackRock, Inc., PRICE T ROWE ASSOCIATES INC /MD/

RGEN31 quarters

RGEN
31 quarters