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MILLENNIUM MANAGEMENT LLC

Position in ASPN — Aspen Aerogels Inc

CIK 1273087 NEW YORK, NY

Position in ASPN

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$4,803,988
+$2,339,197 QoQ
Shares Held
1,404,675
+61.3% QoQ
Ownership
1.69%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
20 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ASPN Over Time

Shares Held

Position Value (USD)

Position in Building Products & Equipment

Industrials · as of Mar 31, 2026

MILLENNIUM MANAGEMENT LLC holds $764,874,366 across 26 Building Products & Equipment names. ASPN ranks #16 (0.6% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ASPN

Export CSV
20 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $4,803,988 1,404,675
2025-12-31 $2,464,791 870,951
2025-09-30 $10,074,718 1,447,517
2025-06-30 $5,367,930 906,745
2025-03-31 $10,220,114 1,599,392
2024-12-31 $19,269,621 1,622,022
2024-09-30 $924,569 33,390
2024-06-30 $9,338,777 391,563
2023-09-30 $164,767 19,159
2023-06-30 $3,295,716 417,708
2023-03-31 $9,467,013 1,270,740
2022-12-31 $12,249,456 1,038,970
2022-09-30 $928,241 100,677
2022-06-30 $2,016,557 204,105
2022-03-31 $7,319,862 212,293
2021-12-31 $1,918,807 38,538
2021-09-30 $7,201,025 156,510
2021-06-30 $13,247,409 442,761
2021-03-31 $1,779,424 87,484
2020-03-31 $1,300,316 211,778