BlackRock’s ASP Isotopes ASPI Stock Holding History

BlackRock’s Portfolio ASPI Stock Details ASPI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$57.3M	Buy	9,217,198 +889,054	+11%	+$5.23M	﹤0.01%	2596
2026 Q1	$36.8M	Buy	8,328,144 +1,538,727	+23%	+$9.1M	﹤0.01%	2709
2025 Q4	$36.3M	Buy	6,789,417 +1,328,425	+24%	+$10.6M	﹤0.01%	2731
2025 Q3	$52.5M	Buy	5,460,992 +1,432,277	+36%	+$13.2M	﹤0.01%	2462
2025 Q2	$29.7M	Sell	4,028,715 -22,365	-0.6%	-$150K	﹤0.01%	2793
2025 Q1	$19M	Buy	4,051,080 +95,692	+2%	+$477K	﹤0.01%	2968
2024 Q4	$17.9M	Buy	3,955,388 +1,252,759	+46%	+$6.67M	﹤0.01%	3116
2024 Q3	$7.51M	Buy	2,702,629 +561,093	+26%	+$1.49M	﹤0.01%	3549
2024 Q2	$6.55M	Buy	2,141,536 +2,059,567	+2,513%	+$7.94M	﹤0.01%	3585
2024 Q1	$339K	Buy	81,969 +78,941	+2,607%	+$243K	﹤0.01%	4477
2023 Q4	$5.42K	Buy	+3,028	New	+$4.42K	﹤0.01%	5190

Other funds holding ASPI

ECA

Encompass Capital Advisors New York $2.81B AUM 198.36% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

RIM

Rovida Investment Management Grand Cayman, Cayman Islands $1.47B AUM 142.45% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

ETC

Exchange Traded Concepts Oklahoma City, Oklahoma $21.9B AUM 68.6% 1-Year Est. Return

AIC

AWM Investment Company New York $1.15B AUM 201.65% 1-Year Est. Return

BNP Paribas Asset Management Paris, France $99.8B AUM 45.22% 1-Year Est. Return

BlackRock's ASPI Position: Q2 2026 in Review

BlackRock increased its ASP Isotopes (ASPI) stake by 11% in Q2 2026, buying an estimated $5.23M and bringing the position to 9,217,198 shares worth $57.3M. The position accounts for ﹤0.01% of the portfolio, ranked #2596.

BlackRock first reported a position in ASPI in Q4 2023 and has held it in 11 quarters since. 185 funds tracked by Wall St. Rank hold ASPI as of Q2 2026.

BlackRock held 9,217,198 shares of ASP Isotopes worth $57.3M as of Q2 2026.
BlackRock bought 889,054 ASP Isotopes shares in Q2 2026, an estimated $5.23M.
ASP Isotopes made up ﹤0.01% of BlackRock's portfolio in Q2 2026, its #2596 holding.
BlackRock first reported a position in ASP Isotopes in Q4 2023 and has held it in 11 quarters since.
185 funds tracked by Wall St. Rank held ASP Isotopes as of Q2 2026.

Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.