How many shares of RGEN does CONGRESS ASSET MANAGEMENT CO own?

As of 2026-Q2, CONGRESS ASSET MANAGEMENT CO holds 1M shares of RGEN (REPLIGEN CORP).

What is CONGRESS ASSET MANAGEMENT CO's RGEN position worth?

As of 2026-Q2, CONGRESS ASSET MANAGEMENT CO's RGEN position is worth $138.1M.

Is CONGRESS ASSET MANAGEMENT CO buying or selling RGEN?

In 2026-Q2, CONGRESS ASSET MANAGEMENT CO increased their RGEN position (+26.9% change in shares).

When did CONGRESS ASSET MANAGEMENT CO first buy RGEN?

Based on available 13F filings, CONGRESS ASSET MANAGEMENT CO first reported a position in RGEN in 2019-Q1. They have held the position across 30 quarters.

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CONGRESS ASSET MANAGEMENT CO

RGEN
30 quarters

Position history for CONGRESS ASSET MANAGEMENT CO's holdings in REPLIGEN CORP

Current Value

$138.1M

Current Shares

Total Value Change

+$133.4M

Total Shares Change

+933,255

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	1M	+26.9%	$138.1M	0.8%	$136.44	53
2026-Q1	Increased	797,867	+6.9%	$94M	0.7%	$123.06	45
2025-Q4	Increased	746,306	+241.4%	$122.3M	0.9%	$166.59	68
2025-Q3	Increased	218,592	+43.4%	$29.2M	0.2%	$124.09	46
2025-Q2	Increased	152,450	+18.0%	$19M	0.1%	$123.56	40
2025-Q1	Increased	129,219	+10.8%	$16.4M	0.1%	$133.41	37
2024-Q4	Increased	116,620	+12.4%	$16.8M	0.1%	$143.81	38
2024-Q3	Increased	103,764	+10.5%	$15.4M	0.1%	$145.93	37
2024-Q2	Increased	93,922	+6.7%	$11.8M	0.1%	$126.06	30
2024-Q1	Increased	88,013	+14.6%	$16.2M	0.1%	$183.92	39
2023-Q4	Increased	76,800	+220.9%	$13.8M	0.1%	$179.80	54
2023-Q3	Increased	23,932	+25.8%	$3.8M	0.0%	$159.01	33
2023-Q2	Increased	19,032	+11.9%	$2.7M	0.0%	$138.42	29
2023-Q1	Increased	17,010	+6.2%	$2.9M	0.0%	$169.57	28
2022-Q4	Increased	16,012	+19.7%	$2.7M	0.0%	$169.31	31
2022-Q3	Decreased	13,378	-31.8%	$2.5M	0.0%	$191.06	0
2022-Q2	Decreased	19,604	-93.7%	$3.2M	0.0%	$165.85	0
2022-Q1	Increased	311,264	+30.2%	$58.5M	0.5%	$188.56	44
2021-Q4	Decreased	239,076	-25.0%	$63.3M	0.5%	$260.98	0
2021-Q3	Increased	318,731	+2372.1%	$92.1M	0.7%	$286.19	68
2021-Q2	Decreased	12,893	-77.3%	$2.6M	0.0%	$204.03	0
2021-Q1	Decreased	56,809	-0.3%	$11M	0.1%	$189.21	0
2020-Q4	Decreased	56,992	-10.3%	$10.9M	0.1%	$189.14	0
2020-Q3	Decreased	63,558	-2.7%	$9.4M	0.1%	$150.59	0
2020-Q2	Decreased	65,304	-10.7%	$8.1M	0.1%	$119.09	0
2020-Q1	Decreased	73,153	-3.7%	$7.1M	0.1%	$95.82	0
2019-Q4	Decreased	75,930	-1.5%	$7M	0.1%	$91.89	0
2019-Q3	Decreased	77,058	-1.9%	$5.9M	0.1%	$76.65	0
2019-Q2	Decreased	78,568	-0.5%	$6.8M	0.1%	$85.95	0
2019-Q1	New	78,971	-	$4.7M	0.1%	$59.08	37

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

RGEN30 quarters

RGEN
30 quarters