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CenterBook Partners’s ASP Isotopes ASPI Stock Holding History

CenterBook Partners’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 		$192K Buy
+30,907
New +$182K 0.01% 684
2025
Q2 		– Sell
-175,959
Closed -$825K – 505
2025
Q1 		$825K Sell
175,959
-1,325,085
-88% -$6.61M 0.05% 351
2024
Q4 		$6.8M Buy
+1,501,044
New +$7.99M 0.41% 71

Other funds holding ASPI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
ECA
Encompass Capital Advisors New York $2.81B AUM 198.36% 1-Year Est. Return
Vanguard Capital Management
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
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return
State Street
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

CenterBook Partners's ASPI Position: Q2 2026 in Review

CenterBook Partners opened a new position in ASP Isotopes (ASPI) in Q2 2026: 30,907 shares worth $192K. The stake represents 0.01% of the portfolio and ranks #684 among its holdings. This is a return to the name: CenterBook Partners previously reported a position in ASPI as recently as Q1 2025.

CenterBook Partners first reported a position in ASPI in Q4 2024 and has held it in 3 quarters since. The position peaked at $6.8M in Q4 2024. 185 funds tracked by Wall St. Rank hold ASPI as of Q2 2026.

  • CenterBook Partners held 30,907 shares of ASP Isotopes worth $192K as of Q2 2026.
  • ASP Isotopes was a new CenterBook Partners position in Q2 2026.
  • ASP Isotopes made up 0.01% of CenterBook Partners's portfolio in Q2 2026, its #684 holding.
  • CenterBook Partners first reported a position in ASP Isotopes in Q4 2024 and has held it in 3 quarters since.
  • CenterBook Partners's ASP Isotopes position peaked at $6.8M in Q4 2024.
  • 185 funds tracked by Wall St. Rank held ASP Isotopes as of Q2 2026.

Based on CenterBook Partners's 13F filing for Q2 2026, filed 11 Aug 2026.