BlackRock

BlackRock’s Prime Medicine PRME Stock Holding History

BlackRock’s Portfolio PRME Stock Details PRME Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$29.6M	Buy	8,501,708 +232,865	+3%	+$886K	﹤0.01%	2833
2025 Q4	$28.7M	Buy	8,268,843 +2,617,984	+46%	+$11.6M	﹤0.01%	2868
2025 Q3	$31.3M	Buy	5,650,859 +1,165,031	+26%	+$4.73M	﹤0.01%	2805
2025 Q2	$11.1M	Buy	4,485,828 +179,617	+4%	+$277K	﹤0.01%	3362
2025 Q1	$8.57M	Sell	4,306,211 -218,573	-5%	-$558K	﹤0.01%	3390
2024 Q4	$13.2M	Sell	4,524,784 -741,991	-14%	-$2.6M	﹤0.01%	3275
2024 Q3	$20.4M	Buy	5,266,775 +156,357	+3%	+$724K	﹤0.01%	3029
2024 Q2	$26.3M	Buy	5,110,418 +1,354,208	+36%	+$8.21M	﹤0.01%	2813
2024 Q1	$26.3M	Sell	3,756,210 -22,408	-0.6%	-$170K	﹤0.01%	2829
2023 Q4	$33.5M	Buy	3,778,618 +444,093	+13%	+$3.42M	﹤0.01%	2727
2023 Q3	$31.8M	Buy	3,334,525 +445,309	+15%	+$5.78M	﹤0.01%	2669
2023 Q2	$42.3M	Buy	2,889,216 +1,375,093	+91%	+$19.2M	﹤0.01%	2590
2023 Q1	$18.6M	Buy	1,514,123 +26,277	+2%	+$428K	﹤0.01%	3014
2022 Q4	$27.6M	Buy	+1,487,846	New	+$26.9M	﹤0.01%	2853

Other funds holding PRME

Alphabet Inc Mountain View, California $4.02B AUM 215.74% 1-Year Est. Return

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

ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return

T. Rowe Price Investment Management

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Balyasny Asset Management

Balyasny Asset Management Chicago, Illinois $50.9B AUM 42.89% 1-Year Est. Return

Casdin Capital New York $1.32B AUM 76.62% 1-Year Est. Return

Woodline Partners San Francisco, California $26.4B AUM 44.85% 1-Year Est. Return

Sumitomo Mitsui Trust Group

Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $154B AUM 29.96% 1-Year Est. Return

Nikko Asset Management Americas New York $7.07B AUM 50.91% 1-Year Est. Return