First Manhattan’s Repligen RGEN Stock Holding History

First Manhattan’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 Q1	$772K	Hold	6,550	–	–	﹤0.01%	483
2025 Q4	$1.07M	Hold	6,550	–	–	﹤0.01%	424
2025 Q3	$876K	Hold	6,550	–	–	﹤0.01%	449
2025 Q2	$815K	Hold	6,550	–	–	﹤0.01%	453
2025 Q1	$833K	Hold	6,550	–	–	﹤0.01%	421
2024 Q4	$943K	Hold	6,550	–	–	﹤0.01%	406
2024 Q3	$975K	Sell	6,550 -1	-0%	-$143	﹤0.01%	376
2024 Q2	$826K	Sell	6,551 -79	-1%	-$12.4K	﹤0.01%	393
2024 Q1	$1.22M	Hold	6,630	–	–	﹤0.01%	352
2023 Q4	$1.19M	Sell	6,630 -1,029	-13%	-$160K	﹤0.01%	359
2023 Q3	$1.22M	Buy	7,659 +501	+7%	+$81.9K	﹤0.01%	360
2023 Q2	$1.01M	Hold	7,158	–	–	﹤0.01%	375
2023 Q1	$1.21M	Hold	7,158	–	–	﹤0.01%	384
2022 Q4	$1.21M	Buy	7,158 +1,063	+17%	+$193K	﹤0.01%	394
2022 Q3	$1.14M	Sell	6,095 -4,000	-40%	-$843K	﹤0.01%	394
2022 Q2	$1.64M	Hold	10,095	–	–	0.01%	361
2022 Q1	$1.9M	Buy	10,095 +580	+6%	+$110K	0.01%	369
2021 Q4	$2.52M	Hold	9,515	–	–	0.01%	316
2021 Q3	$2.75M	Hold	9,515	–	–	0.01%	292
2021 Q2	$1.9M	Hold	9,515	–	–	0.01%	335
2021 Q1	$1.85M	Buy	9,515 +580	+6%	+$119K	0.01%	335
2020 Q4	$1.71M	Hold	8,935	–	–	0.01%	331
2020 Q3	$1.32M	Hold	8,935	–	–	0.01%	354
2020 Q2	$1.1M	Hold	8,935	–	–	0.01%	374
2020 Q1	$862K	Sell	8,935 -1,000	-10%	-$96.5K	0.01%	395
2019 Q4	$918K	Hold	9,935	–	–	﹤0.01%	430
2019 Q3	$761K	Sell	9,935 -565	-5%	-$49.4K	﹤0.01%	457
2019 Q2	$902K	Hold	10,500	–	–	0.01%	449
2019 Q1	$620K	Hold	10,500	–	–	﹤0.01%	521
2018 Q4	$553K	Hold	10,500	–	–	﹤0.01%	531
2018 Q3	$582K	Hold	10,500	–	–	﹤0.01%	557
2018 Q2	$493K	Hold	10,500	–	–	﹤0.01%	551
2018 Q1	$379K	Hold	10,500	–	–	﹤0.01%	571
2017 Q4	$380K	Buy	10,500 +1,500	+17%	+$54.3K	﹤0.01%	588
2017 Q3	$344K	Buy	9,000 +500	+6%	+$21K	﹤0.01%	585
2017 Q2	$352K	Hold	8,500	–	–	﹤0.01%	580
2017 Q1	$299K	Hold	8,500	–	–	﹤0.01%	615
2016 Q4	$261K	Sell	8,500 -1,500	-15%	-$46.4K	﹤0.01%	619
2016 Q3	$301K	Sell	10,000 -4,275	-30%	-$129K	﹤0.01%	598
2016 Q2	$390K	Hold	14,275	–	–	﹤0.01%	551
2016 Q1	$382K	Buy	14,275 +4,275	+43%	+$105K	﹤0.01%	544
2015 Q4	$282K	Sell	10,000 -2,000	-17%	-$57.7K	﹤0.01%	610
2015 Q3	$334K	Hold	12,000	–	–	﹤0.01%	577
2015 Q2	$495K	Buy	12,000 +2,000	+20%	+$73.3K	﹤0.01%	520
2015 Q1	$303K	Sell	10,000 -2,000	-17%	-$51.9K	﹤0.01%	609
2014 Q4	$237K	Hold	12,000	–	–	﹤0.01%	669
2014 Q3	$238K	Hold	12,000	–	–	﹤0.01%	655
2014 Q2	$273K	Buy	+12,000	New	+$214K	﹤0.01%	631

Other funds holding RGEN

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

UCFA

United Capital Financial Advisors Irving, Texas $16.3B AUM 16.34% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

Maverick Capital Dallas, Texas $8.67B AUM 48.76% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return

First Manhattan's RGEN Position: Q1 2026 in Review

First Manhattan held its Repligen (RGEN) position steady in Q1 2026 at 6,550 shares worth $772K. The position accounts for ﹤0.01% of the portfolio, ranked #483.

First Manhattan first reported a position in RGEN in Q2 2014 and has held it in 48 quarters since. The position peaked at $2.75M in Q3 2021. 441 funds tracked by Wall St. Rank hold RGEN as of Q1 2026.

First Manhattan held 6,550 shares of Repligen worth $772K as of Q1 2026.
First Manhattan left its Repligen share count unchanged in Q1 2026.
Repligen made up ﹤0.01% of First Manhattan's portfolio in Q1 2026, its #483 holding.
First Manhattan first reported a position in Repligen in Q2 2014 and has held it in 48 quarters since.
First Manhattan's Repligen position peaked at $2.75M in Q3 2021.
441 funds tracked by Wall St. Rank held Repligen as of Q1 2026.

Based on First Manhattan's 13F filing for Q1 2026, filed 15 May 2026.