EcoR1 Capital’s Geron GERN Stock Holding History

EcoR1 Capital’s Portfolio GERN Stock Details GERN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2023 Q1	–	Sell	-4,028,507	Closed	-$9.75M	–	63
2022 Q4	$9.75M	Buy	4,028,507 +1,726,527	+75%	+$3.87M	0.3%	39
2022 Q3	$5.39M	Sell	2,301,980 -11,867,008	-84%	-$26.6M	0.16%	46
2022 Q2	$22M	Sell	14,168,988 -116,726	-0.8%	-$165K	0.76%	27
2022 Q1	$19.4M	Buy	+14,285,714	New	+$15.9M	0.61%	31
2021 Q1	–	Sell	-18,939,925	Closed	-$30.1M	–	77
2020 Q4	$30.1M	Sell	18,939,925 -290,844	-2%	-$530K	1.68%	20
2020 Q3	$33.5M	Hold	19,230,769	–	–	2.41%	16
2020 Q2	$41.9M	Buy	+19,230,769	New	+$28.7M	3.14%	13
2018 Q2	–	Sell	-350,000	Closed	-$1.49M	–	38
2018 Q1	$1.49M	Buy	+350,000	New	+$946K	0.16%	31

Other funds holding GERN

RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Deep Track Capital Greenwich, Connecticut $4.85B AUM 144% 1-Year Est. Return

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

NEA Management Company Timonium, Maryland $1.76B AUM 223.33% 1-Year Est. Return

Vivo Capital Palo Alto, California $1.2B AUM 911.44% 1-Year Est. Return

TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return

Wellington Management Group

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

MPM BioImpact Boston, Massachusetts $1.29B AUM 141.72% 1-Year Est. Return