American Century Companies

American Century Companies’s Solid Biosciences SLDB Stock Holding History

American Century Companies’s Portfolio SLDB Stock Details SLDB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$824K	Buy	114,392 +17,070	+18%	+$110K	﹤0.01%	2383
2025 Q4	$549K	Buy	97,322 +26,271	+37%	+$142K	﹤0.01%	2494
2025 Q3	$438K	Buy	71,051 +59,354	+507%	+$347K	﹤0.01%	2544
2025 Q2	$57K	Sell	11,697 -40,138	-77%	-$142K	﹤0.01%	2824
2025 Q1	$192K	Buy	51,835 +4,978	+11%	+$21.3K	﹤0.01%	2768
2024 Q4	$187K	Buy	46,857 +5,126	+12%	+$28.2K	﹤0.01%	2791
2024 Q3	$291K	Buy	41,731 +7,174	+21%	+$58.2K	﹤0.01%	2658
2024 Q2	$196K	Buy	34,557 +9,853	+40%	+$88.2K	﹤0.01%	2727
2024 Q1	$329K	Buy	+24,704	New	+$231K	﹤0.01%	2608

Other funds holding SLDB

Perceptive Advisors New York $5.12B AUM 314.02% 1-Year Est. Return

Bain Capital Life Sciences Investors Boston, Massachusetts $1.11B AUM 171.34% 1-Year Est. Return

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

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

Vestal Point Capital New York $3.58B AUM 189.12% 1-Year Est. Return

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

Janus Henderson Group

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

Fidelity Investments

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

Deep Track Capital Greenwich, Connecticut $6.12B AUM 144% 1-Year Est. Return

Armistice Capital New York $5.62B AUM 36.06% 1-Year Est. Return