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Israel Englander’s ASP Isotopes ASPI Stock Holding History

Israel Englander’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
2025
Q4 		– Sell
-245,985
Closed -$2.37M – 5995
2025
Q3 		$2.37M Buy
245,985
+213,704
+662% +$1.97M ﹤0.01% 3888
2025
Q2 		$238K Buy
32,281
+13,968
+76% +$93.7K ﹤0.01% 5281
2025
Q1 		$85.9K Buy
18,313
+6,126
+50% +$30.6K ﹤0.01% 5458
2024
Q4 		$55.2K Buy
+12,187
New +$64.9K ﹤0.01% 5579
2024
Q2 		– Sell
-356,420
Closed -$1.47M – 5859
2024
Q1 		$1.47M Buy
356,420
+294,727
+478% +$909K ﹤0.01% 3991
2023
Q4 		$110K Buy
+61,693
New +$90K ﹤0.01% 5325
2023
Q2 		– Sell
-28,654
Closed -$24K – 6088
2023
Q1 		$24K Sell
28,654
-1,922
-6% -$3.02K ﹤0.01% 5820
2022
Q4 		$49K Buy
+30,576
New +$60.3K ﹤0.01% 5780

Other funds holding ASPI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return
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
AIC
AWM Investment Company New York $1.15B AUM 201.65% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Israel Englander's ASPI Position: Q4 2025 in Review

Israel Englander sold out of ASP Isotopes (ASPI) in Q4 2025, closing a stake of 245,985 shares — an estimated $2.37M sold.

Israel Englander first reported a position in ASPI in Q4 2022 and held it in 8 quarters. The position peaked at $2.37M in Q3 2025. 173 funds tracked by Wall St. Rank hold ASPI as of Q4 2025.

  • Israel Englander reported no remaining ASP Isotopes position as of Q4 2025 after selling out during the quarter.
  • Israel Englander sold 245,985 ASP Isotopes shares in Q4 2025, an estimated $2.37M.
  • Israel Englander first reported a position in ASP Isotopes in Q4 2022 and held it in 8 quarters.
  • Israel Englander's ASP Isotopes position peaked at $2.37M in Q3 2025.
  • 173 funds tracked by Wall St. Rank held ASP Isotopes as of Q4 2025.

Based on Millennium Management's 13F filing for Q4 2025, filed 17 Feb 2026.