Rock Springs Capital Management’s Jasper Therapeutics JSPR Stock Holding History

Rock Springs Capital Management’s Portfolio JSPR Stock Details JSPR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$964K	Hold	1,100,726	–	–	0.06%	95
2025 Q4	$2.01M	Hold	1,100,726	–	–	0.1%	90
2025 Q3	$2.62M	Buy	1,100,726 +555,555	+102%	+$1.68M	0.15%	75
2025 Q2	$3.03M	Hold	545,171	–	–	0.19%	72
2025 Q1	$2.34M	Buy	545,171 +82,083	+18%	+$546K	0.13%	77
2024 Q4	$9.9M	Buy	463,088 +4,000	+0.9%	+$83.3K	0.38%	62
2024 Q3	$8.64M	Buy	459,088 +54,753	+14%	+$1.09M	0.28%	71
2024 Q2	$9.18M	Hold	404,335	–	–	0.28%	70
2024 Q1	$11.9M	Buy	+404,335	New	+$7.18M	0.3%	74

Other funds holding JSPR

Velan Capital Investment Management Alpharetta, Georgia $160M AUM 517.12% 1-Year Est. Return

Millennium Management

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Acorn Capital Advisors New York $352M AUM 299.18% 1-Year Est. Return

Kingdon Capital Management New York $911M AUM 51.11% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Carlyle Group Washington, District of Columbia $10.6B AUM 11.25% 1-Year Est. Return

Boothbay Fund Management New York $7.71B AUM 106.31% 1-Year Est. Return

Lion Point Capital New York $16.7M AUM 119.35% 1-Year Est. Return

Jacobs Levy Equity Management

Jacobs Levy Equity Management Florham Park, New Jersey $23.8B AUM 25.4% 1-Year Est. Return