RhumbLine Advisers
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RhumbLine Advisers’s ASP Isotopes ASPI Stock Holding History

RhumbLine Advisers’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 		$879K Buy
141,284
+23,606
+20% +$139K ﹤0.01% 2400
2026
Q1 		$520K Buy
117,678
+16,141
+16% +$95.5K ﹤0.01% 2587
2025
Q4 		$543K Sell
101,537
-750
-0.7% -$5.96K ﹤0.01% 2616
2025
Q3 		$984K Buy
102,287
+23,293
+29% +$215K ﹤0.01% 2252
2025
Q2 		$581K Buy
78,994
+13,668
+21% +$91.7K ﹤0.01% 2594
2025
Q1 		$306K Buy
65,326
+4,963
+8% +$24.8K ﹤0.01% 2876
2024
Q4 		$273K Buy
60,363
+24,664
+69% +$131K ﹤0.01% 3045
2024
Q3 		$99.2K Sell
35,699
-2,357
-6% -$6.26K ﹤0.01% 3497
2024
Q2 		$116K Buy
+38,056
New +$147K ﹤0.01% 3471

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 $3.38T AUM 44.17% 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

RhumbLine Advisers's ASPI Position: Q2 2026 in Review

RhumbLine Advisers increased its ASP Isotopes (ASPI) stake by 20% in Q2 2026, buying an estimated $139K and bringing the position to 141,284 shares worth $879K. The position accounts for ﹤0.01% of the portfolio, ranked #2400.

RhumbLine Advisers first reported a position in ASPI in Q2 2024 and has held it in 9 quarters since. The position peaked at $984K in Q3 2025. 185 funds tracked by Wall St. Rank hold ASPI as of Q2 2026.

  • RhumbLine Advisers held 141,284 shares of ASP Isotopes worth $879K as of Q2 2026.
  • RhumbLine Advisers bought 23,606 ASP Isotopes shares in Q2 2026, an estimated $139K.
  • ASP Isotopes made up ﹤0.01% of RhumbLine Advisers's portfolio in Q2 2026, its #2400 holding.
  • RhumbLine Advisers first reported a position in ASP Isotopes in Q2 2024 and has held it in 9 quarters since.
  • RhumbLine Advisers's ASP Isotopes position peaked at $984K in Q3 2025.
  • 185 funds tracked by Wall St. Rank held ASP Isotopes as of Q2 2026.

Based on RhumbLine Advisers's 13F filing for Q2 2026, filed 12 Aug 2026.