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Equibles

CITADEL ADVISORS LLC

Position in ASPN — Aspen Aerogels Inc

CIK 1423053 MIAMI, FL
Back to ASPN Full portfolio

Position in ASPN

as of Jun 30, 2026 · filed Sep 2, 2026
Position Value
$1,513,554
-$474,105 QoQ
Shares Held
238,731
-58.9% QoQ
Ownership
0.288%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#41
of 179 holders
Holding Since
Mar 2020
24 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ASPN Over Time

Shares Held

Position Value (USD)

Derivatives in ASPN

reported options exposure · as of Jun 30, 2026
CallValue
$1,155,148
CallShares
182,200
PutValue
$385,472
PutShares
60,800

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Specialty Chemicals

Basic Materials · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $1,682,131,234 across 50 Specialty Chemicals names. ASPN ranks #32 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 SHW
Sherwin Williams Co
 1,029,152 $354,357,616
2 ECL
Ecolab Inc.
 1,056,715 $294,411,365
3 RPM
Rpm International Inc/De/
 1,556,711 $173,028,427
4 APD
Air Products & Chemicals, Inc.
 463,285 $135,825,895
5 LYB
LyondellBasell Industries N.V.
 2,430,888 $127,986,252
6 LIN
Linde PLC
 245,593 $127,448,030
7 ALB
Albemarle Corp
 875,071 $118,160,836
8 WLK
Westlake Corp
 1,054,868 $77,005,364

All Filings in ASPN

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,513,554 238,731
2026-06-30 $1,155,148 182,200
2026-06-30 $385,472 60,800
2026-03-31 $271,890 79,500
2026-03-31 $511,290 149,500
2026-03-31 $1,987,659 581,187
2025-12-31 $692,218 244,600
2025-12-31 $2,451,396 866,218
2025-12-31 $494,684 174,800
2025-09-30 $1,174,152 168,700
2025-09-30 $7,757,546 1,114,590
2025-09-30 $1,138,656 163,600
2025-06-30 $497,872 84,100
2025-06-30 $965,149 163,032
2025-06-30 $955,488 161,400
2025-03-31 $3,691,886 577,760
2025-03-31 $3,557,313 556,700
2025-03-31 $1,435,833 224,700
2024-12-31 $6,544,692 550,900
2024-12-31 $7,415,852 624,230
2024-12-31 $3,673,296 309,200
2024-09-30 $5,388,474 194,600
2024-09-30 $4,740,528 171,200
2024-09-30 $11,014,666 397,785
2024-06-30 $3,932,865 164,900
2024-06-30 $15,038,759 630,556
2024-06-30 $7,798,950 327,000
2024-03-31 $1,369,280 77,800
2024-03-31 $4,331,360 246,100
2024-03-31 $920,057 52,276
2023-12-31 $1,191,390 75,500
2023-12-31 $3,043,962 192,900
2023-12-31 $4,340,335 275,053
2023-09-30 $472,140 54,900
2023-09-30 $383,560 44,600
2023-09-30 $5,743,328 667,829
2023-06-30 $3,390,001 429,658
2023-06-30 $416,592 52,800
2023-06-30 $564,135 71,500
2023-03-31 $5,107,116 685,519
2023-03-31 $955,835 128,300
2023-03-31 $442,530 59,400
2022-12-31 $585,963 49,700
2022-12-31 $2,806,809 238,067
2022-12-31 $279,423 23,700
2022-09-30 $926,609 100,500
2022-09-30 $598,378 64,900
2022-09-30 $554,122 60,100
2022-06-30 $733,096 74,200
2022-06-30 $1,089,764 110,300