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CITADEL ADVISORS LLC

Position in CLIR — ClearSign Technologies Corp

CIK 1423053 MIAMI, FL

Position in CLIR

as of Jun 30, 2026 · filed Sep 2, 2026
Position Value
$75,473
+$54,904 QoQ
Shares Held
20,565
+669.9% QoQ
Ownership
0.302%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#8
of 24 holders
Holding Since
Mar 2020
20 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CLIR Over Time

Shares Held

Position Value (USD)

Derivatives in CLIR

reported options exposure · as of Mar 31, 2025
CallValue
$4,500
CallShares
600
PutValue
$0
PutShares
0

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 Pollution & Treatment Controls

Industrials · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $144,943,091 across 13 Pollution & Treatment Controls names. CLIR ranks #11 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in CLIR

Export CSV
36 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $75,473 20,565
2025-09-30 $20,569 26,714
2025-06-30 $24,816 44,316
2025-03-31 $4,500 6,000
2025-03-31 $30,061 40,082
2024-12-31 $49,152 34,134
2024-03-31 $89,337 92,100
2024-03-31 $50,506 52,069
2023-12-31 $3,996 3,600
2023-12-31 $66,980 60,343
2023-12-31 $2,220 2,000
2023-09-30 $74,945 68,757
2023-09-30 $30,847 28,300
2023-06-30 $393 300
2023-06-30 $20,918 15,968
2023-06-30 $47,946 36,600
2023-03-31 $400 500
2023-03-31 $880 1,100
2023-03-31 $29,210 36,513
2022-12-31 $540 1,000
2022-12-31 $13,257 24,551
2022-09-30 $23,639 25,695
2021-12-31 $16,422 11,900
2021-09-30 $31,000 15,500
2021-09-30 $50,544 25,272
2021-06-30 $77,534 16,153
2021-06-30 $64,320 13,400
2021-06-30 $184,800 38,500
2021-03-31 $322,056 56,700
2020-12-31 $33,056 11,282
2020-12-31 $60,651 20,700
2020-09-30 $92,660 41,000
2020-06-30 $82,992 39,900
2020-06-30 $153,504 73,800
2020-06-30 $29,461 14,164
2020-03-31 $27,720 38,500