Congress Asset Management’s Repligen RGEN Stock Holding History

Congress Asset Management’s Portfolio RGEN Stock Details RGEN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$138M	Buy	1,012,226 +214,359	+27%	+$26.3M	0.85%	34
2026 Q1	$94M	Buy	797,867 +51,561	+7%	+$7.2M	0.67%	47
2025 Q4	$122M	Buy	746,306 +527,714	+241%	+$82.7M	0.86%	32
2025 Q3	$29.2M	Buy	218,592 +66,142	+43%	+$8.03M	0.19%	128
2025 Q2	$19M	Buy	152,450 +23,231	+18%	+$2.96M	0.13%	142
2025 Q1	$16.4M	Buy	129,219 +12,599	+11%	+$1.94M	0.12%	149
2024 Q4	$16.8M	Buy	116,620 +12,856	+12%	+$1.84M	0.11%	147
2024 Q3	$15.4M	Buy	103,764 +9,842	+10%	+$1.41M	0.11%	150
2024 Q2	$11.8M	Buy	93,922 +5,909	+7%	+$926K	0.08%	173
2024 Q1	$16.2M	Buy	88,013 +11,213	+15%	+$2.14M	0.12%	141
2023 Q4	$13.8M	Buy	76,800 +52,868	+221%	+$8.23M	0.11%	146
2023 Q3	$3.81M	Buy	23,932 +4,900	+26%	+$801K	0.03%	239
2023 Q2	$2.69M	Buy	19,032 +2,022	+12%	+$324K	0.02%	262
2023 Q1	$2.86M	Buy	17,010 +998	+6%	+$178K	0.03%	258
2022 Q4	$2.71M	Buy	16,012 +2,634	+20%	+$478K	0.03%	259
2022 Q3	$2.5M	Sell	13,378 -6,226	-32%	-$1.31M	0.03%	248
2022 Q2	$3.18M	Sell	19,604 -291,660	-94%	-$46.1M	0.03%	244
2022 Q1	$58.5M	Buy	311,264 +72,188	+30%	+$13.7M	0.5%	76
2021 Q4	$63.3M	Sell	239,076 -79,655	-25%	-$21.5M	0.48%	76
2021 Q3	$92.1M	Buy	318,731 +305,838	+2,372%	+$78.5M	0.72%	75
2021 Q2	$2.57M	Sell	12,893 -43,916	-77%	-$8.52M	0.02%	254
2021 Q1	$11M	Sell	56,809 -183	-0.3%	-$37.5K	0.1%	116
2020 Q4	$10.9M	Sell	56,992 -6,566	-10%	-$1.19M	0.1%	109
2020 Q3	$9.38M	Sell	63,558 -1,746	-3%	-$250K	0.1%	108
2020 Q2	$8.07M	Sell	65,304 -7,849	-11%	-$923K	0.1%	116
2020 Q1	$7.06M	Sell	73,153 -2,777	-4%	-$268K	0.11%	111
2019 Q4	$7.02M	Sell	75,930 -1,128	-1%	-$94.8K	0.09%	140
2019 Q3	$5.91M	Sell	77,058 -1,510	-2%	-$132K	0.08%	148
2019 Q2	$6.75M	Sell	78,568 -403	-0.5%	-$27.5K	0.09%	138
2019 Q1	$4.67M	Buy	78,971 +15,779	+25%	+$907K	0.06%	184
2018 Q4	$3.33M	Sell	63,192 -5,860	-8%	-$344K	0.05%	217
2018 Q3	$3.83M	Buy	+69,052	New	+$3.56M	0.05%	224

Other funds holding RGEN

Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return

Riverbridge Partners Minneapolis, Minnesota $3.58B AUM 4.02% 1-Year Est. Return

PCM

Peregrine Capital Management Minneapolis, Minnesota $3.08B AUM 29.51% 1-Year Est. Return

Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return

EOJOAM

E. Ohman J:or Asset Management Stockholm, Sweden $4.3B AUM 29.55% 1-Year Est. Return

Covea Finance Paris, France $3.17B AUM 35.01% 1-Year Est. Return

Handelsbanken Fonder Stockholm, Sweden $35.1B AUM 47.76% 1-Year Est. Return

MNBTD

Moody National Bank Trust Division Galveston, Texas $1.21B AUM 38.93% 1-Year Est. Return

COPPSERS

Commonwealth of Pennsylvania Public School Employees Retirement System Harrisburg, Pennsylvania $20.6B AUM 37.37% 1-Year Est. Return

YCM

Yousif Capital Management Bloomfield Hills, Michigan $8.94B AUM 42.6% 1-Year Est. Return

Congress Asset Management's RGEN Position: Q2 2026 in Review

Congress Asset Management increased its Repligen (RGEN) stake by 27% in Q2 2026, buying an estimated $26.3M and bringing the position to 1,012,226 shares worth $138M. The position accounts for 0.85% of the portfolio, ranked #34.

Congress Asset Management first reported a position in RGEN in Q3 2018 and has held it in 32 quarters since. 48 funds tracked by Wall St. Rank hold RGEN as of Q2 2026.

Congress Asset Management held 1,012,226 shares of Repligen worth $138M as of Q2 2026.
Congress Asset Management bought 214,359 Repligen shares in Q2 2026, an estimated $26.3M.
Repligen made up 0.85% of Congress Asset Management's portfolio in Q2 2026, its #34 holding.
Congress Asset Management first reported a position in Repligen in Q3 2018 and has held it in 32 quarters since.
48 funds tracked by Wall St. Rank held Repligen as of Q2 2026.

Based on Congress Asset Management's 13F filing for Q2 2026, filed 7 Jul 2026.