Simplex Trading

Simplex Trading’s Scholar Rock SRRK Stock Holding History

Simplex Trading’s Portfolio SRRK Stock Details SRRK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-13,888	Closed	-$521K	–	9986
2025 Q3	$517K	Buy	13,888 +9,416	+211%	+$329K	﹤0.01%	3790
2025 Q2	$158K	Sell	4,472 -2,640	-37%	-$82.9K	﹤0.01%	4760
2025 Q1	$228K	Sell	7,112 -25,843	-78%	-$994K	﹤0.01%	4180
2024 Q4	$1.42M	Buy	+32,955	New	+$1.07M	﹤0.01%	2515
2024 Q3	–	Sell	-50	Closed	-$439	–	9532
2024 Q2	$0	Sell	50 -28,463	-100%	-$348K	﹤0.01%	9761
2024 Q1	$506K	Buy	28,513 +26,381	+1,237%	+$415K	﹤0.01%	3852
2023 Q4	$40K	Buy	+2,132	New	+$26.5K	﹤0.01%	6305
2023 Q3	–	Sell	-1,751	Closed	-$11.8K	–	9767
2023 Q2	$13K	Buy	1,751 +1,022	+140%	+$7.72K	﹤0.01%	7192
2023 Q1	$5K	Buy	+729	New	+$7.39K	﹤0.01%	8079
2022 Q3	–	Sell	-1,415	Closed	-$11.8K	–	10844
2022 Q2	$7K	Buy	1,415 +680	+93%	+$4.88K	﹤0.01%	8629
2022 Q1	$9K	Buy	+735	New	+$12.6K	﹤0.01%	8980
2021 Q2	–	Sell	-1,200	Closed	-$36.7K	–	10672
2021 Q1	$60K	Buy	+1,200	New	+$66.4K	﹤0.01%	6388

Other funds holding SRRK

Fidelity Investments

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

Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 1-Year Est. Return

Redmile Group San Francisco, California $1.51B AUM 164.17% 1-Year Est. Return

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

Samsara BioCapital Palo Alto, California $1.03B AUM 214.94% 1-Year Est. Return

Wellington Management Group

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

T. Rowe Price Associates

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

Orbis Allan Gray Hamilton, Bermuda $23.7B AUM 65.43% 1-Year Est. Return

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

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM