AIM
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Aigen Investment Management’s Repligen RGEN Stock Holding History

Aigen Investment 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
2024
Q4 		– Sell
-3,275
Closed -$487K – 954
2024
Q3 		$487K Sell
3,275
-4,106
-56% -$589K 0.1% 330
2024
Q2 		$930K Buy
+7,381
New +$1.16M 0.18% 154
2024
Q1 		– Sell
-1,547
Closed -$278K – 957
2023
Q4 		$278K Buy
+1,547
New +$241K 0.05% 521
2022
Q3 		– Sell
-2,099
Closed -$341K – 727
2022
Q2 		$341K Buy
+2,099
New +$332K 0.06% 375
2021
Q3 		– Sell
-1,439
Closed -$287K – 628
2021
Q2 		$287K Buy
+1,439
New +$279K 0.05% 345
2021
Q1 		– Sell
-2,876
Closed -$551K – 841
2020
Q4 		$551K Buy
+2,876
New +$523K 0.07% 359
2020
Q1 		– Sell
-2,451
Closed -$227K – 1509
2019
Q4 		$227K Buy
+2,451
New +$206K 0.04% 515

Other funds holding RGEN

T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
CIP
Champlain Investment Partners Burlington, Vermont $7.88B AUM 6.82% 1-Year Est. Return
Sands Capital Management
Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $141B AUM 30.34% 1-Year Est. Return
Macquarie Group
Macquarie Group Sydney, NSW 2000, Australia $16.8B AUM 27.39% 1-Year Est. Return
Impax Asset Management Group
Impax Asset Management Group London, United Kingdom $14.3B AUM 19.8% 1-Year Est. Return