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
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 $5.72T AUM 30.48% 1-Year Est. Return
ECA
Encompass Capital Advisors New York $3.34B AUM 167.64% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
RIM
Rovida Investment Management Grand Cayman, Cayman Islands $797M AUM 111.83% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
ETC
Exchange Traded Concepts Oklahoma City, Oklahoma $14.1B AUM 25.71% 1-Year Est. Return
AIC
AWM Investment Company New York $903M AUM 163.47% 1-Year Est. Return

RhumbLine Advisers's ASPI Position: Q1 2026 in Review

RhumbLine Advisers increased its ASP Isotopes (ASPI) stake by 16% in Q1 2026, buying an estimated $95.5K and bringing the position to 117,678 shares worth $520K. The position accounts for ﹤0.01% of the portfolio, ranked #2587.

RhumbLine Advisers first reported a position in ASPI in Q2 2024 and has held it in 8 quarters since. The position peaked at $984K in Q3 2025. 177 funds tracked by Wall St. Rank hold ASPI as of Q1 2026.

  • RhumbLine Advisers held 117,678 shares of ASP Isotopes worth $520K as of Q1 2026.
  • RhumbLine Advisers bought 16,141 ASP Isotopes shares in Q1 2026, an estimated $95.5K.
  • ASP Isotopes made up ﹤0.01% of RhumbLine Advisers's portfolio in Q1 2026, its #2587 holding.
  • RhumbLine Advisers first reported a position in ASP Isotopes in Q2 2024 and has held it in 8 quarters since.
  • RhumbLine Advisers's ASP Isotopes position peaked at $984K in Q3 2025.
  • 177 funds tracked by Wall St. Rank held ASP Isotopes as of Q1 2026.

Based on RhumbLine Advisers's 13F filing for Q1 2026, filed 12 May 2026.