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Equibles

CITADEL ADVISORS LLC

Position in HDSN — Hudson Technologies Inc /Ny

CIK 1423053 MIAMI, FL
Back to HDSN Full portfolio

Position in HDSN

as of Jun 30, 2026 · filed Sep 2, 2026
Position Value
$3,296,286
+$869,317 QoQ
Shares Held
574,266
+39.1% QoQ
Ownership
1.36%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#13
of 151 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in HDSN Over Time

Shares Held

Position Value (USD)

Derivatives in HDSN

reported options exposure · as of Mar 31, 2026
CallValue
$68,796
CallShares
11,700
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 Specialty Chemicals

Basic Materials · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $1,682,131,234 across 50 Specialty Chemicals names. HDSN ranks #26 (0.2% 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 HDSN

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,296,286 574,266
2026-03-31 $2,426,969 412,750
2026-03-31 $68,796 11,700
2025-12-31 $548,568 80,083
2025-09-30 $1,135,852 114,386
2025-09-30 $343,578 34,600
2025-06-30 $723,492 89,100
2025-06-30 $776,223 95,594
2025-03-31 $137,591 22,300
2025-03-31 $1,300,437 210,768
2025-03-31 $239,396 38,800
2024-12-31 $324,756 58,200
2024-12-31 $107,694 19,300
2024-12-31 $2,772,969 496,948
2024-09-30 $2,267,912 271,932
2024-09-30 $146,784 17,600
2024-09-30 $236,856 28,400
2024-06-30 $691,773 78,700
2024-06-30 $3,791,064 431,293
2024-06-30 $420,162 47,800
2024-03-31 $361,128 32,800
2024-03-31 $1,794,630 163,000
2024-03-31 $3,288,598 298,692
2023-12-31 $2,194,809 162,699
2023-12-31 $311,619 23,100
2023-12-31 $341,297 25,300
2023-09-30 $347,130 26,100
2023-09-30 $347,130 26,100
2023-09-30 $3,076,396 231,308
2023-06-30 $278,980 29,000
2023-06-30 $584,896 60,800
2023-06-30 $127,311 13,234
2023-03-31 $8,372 959
2023-03-31 $159,759 18,300
2023-03-31 $1,126,170 129,000
2022-12-31 $581,900 57,500
2022-12-31 $593,032 58,600
2022-12-31 $691,064 68,287
2022-09-30 $846,873 115,221
2022-09-30 $314,580 42,800
2022-06-30 $234,792 31,264
2022-06-30 $116,405 15,500
2022-03-31 $164,508 26,491
2022-03-31 $146,556 23,600
2021-12-31 $398,560 89,766
2021-09-30 $67,423 19,100
2021-09-30 $60,373 17,103
2021-06-30 $180,260 53,018
2021-06-30 $181,560 53,400
2021-03-31 $46,122 28,648