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RHUMBLINE ADVISERS

Position in ASPI — ASP Isotopes Inc.

CIK 1115418 BOSTON, MA

Position in ASPI

as of Mar 31, 2026 · filed May 12, 2026
Position Value
$520,136
-$23,086 QoQ
Shares Held
117,678
+15.9% QoQ
Ownership
0.093%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2024
8 quarters on record
Voting authority Sole 19.92555957783103.ToString("F0")% Shared 0.ToString("F0")% None 80.07444042216896.ToString("F0")%

Common Shares in ASPI Over Time

Shares Held

Position Value (USD)

Position in Chemicals

Basic Materials · as of Mar 31, 2026

RHUMBLINE ADVISERS holds $92,494,448 across 16 Chemicals names. ASPI ranks #11 (0.6% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ASPI

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8 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $520,136 117,678
2025-12-31 $543,222 101,537
2025-09-30 $984,000 102,287
2025-06-30 $581,395 78,994
2025-03-31 $306,378 65,326
2024-12-31 $273,444 60,363
2024-09-30 $99,243 35,699
2024-06-30 $116,451 38,056