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Rockefeller Capital Management L.P.

Position in ASPI — ASP Isotopes Inc.

CIK 1739439 NEW YORK, NY

Position in ASPI

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$22,187
+$140 QoQ
Shares Held
5,020
+21.8% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority Sole 82% Shared 0% None 18%

Common Shares in ASPI Over Time

Shares Held

Position Value (USD)

Position in Chemicals

Basic Materials · as of Mar 31, 2026

Rockefeller Capital Management L.P. holds $6,306,574 across 11 Chemicals names. ASPI ranks #6 (0.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 ASPI
ASP Isotopes Inc.
This page
5,020 $22,187

All Filings in ASPI

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $22,187 5,020
2025-12-31 $22,047 4,121
2025-09-30 $30,024 3,121