Skip to main content

RENAISSANCE TECHNOLOGIES LLC

Position in ASPN — Aspen Aerogels Inc

CIK 1037389 NEW YORK, NY

Position in ASPN

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$1,739,645
+$21,221 QoQ
Shares Held
274,392
+11.1% QoQ
Ownership
0.331%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#39
of 179 holders
Holding Since
Mar 2020
21 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ASPN Over Time

Shares Held

Position Value (USD)

Position in Specialty Chemicals

Basic Materials · as of Jun 30, 2026

RENAISSANCE TECHNOLOGIES LLC holds $441,903,179 across 34 Specialty Chemicals names. ASPN ranks #26 (0.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ASPN

Export CSV
21 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,739,645 274,392
2025-09-30 $1,718,424 246,900
2025-06-30 $4,020,864 679,200
2025-03-31 $4,882,599 764,100
2024-12-31 $9,104,832 766,400
2024-09-30 $3,707,691 133,900
2024-06-30 $8,340,345 349,700
2023-06-30 $1,794,186 227,400
2023-03-31 $249,575 33,500
2022-12-31 $1,446,633 122,700
2022-09-30 $1,477,044 160,200
2022-06-30 $773,604 78,300
2022-03-31 $1,955,016 56,700
2021-12-31 $1,700,378 34,151
2021-09-30 $5,003,633 108,751
2021-06-30 $7,334,917 245,151
2021-03-31 $8,440,103 414,951
2020-12-31 $9,459,074 566,751
2020-09-30 $6,775,323 618,751
2020-06-30 $4,545,141 690,751
2020-03-31 $3,893,687 634,151