Skip to main content

CSS LLC/IL

Position in RIOT — Riot Platforms, Inc.

CIK 1103646 CHICAGO, IL

Position in RIOT

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$117,593
+$117,593 QoQ
Shares Held
9,514
Ownership
0.003%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2021
9 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in RIOT Over Time

Shares Held

Position Value (USD)

Derivatives in RIOT

reported options exposure · as of Mar 31, 2026
CallValue
$0
CallShares
0
PutValue
$786,096
PutShares
63,600

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 Capital Markets

Financial Services · as of Mar 31, 2026

CSS LLC/IL holds $3,533,789 across 4 Capital Markets names. RIOT ranks #3 (3.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 RIOT
Riot Platforms, Inc.
This page
9,514 $117,593

All Filings in RIOT

Export CSV
13 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $117,593 9,514
2026-03-31 $786,096 63,600
2025-12-31 $1,312,612 103,600
2025-09-30 $2,542,408 133,600
2025-09-30 $226,723 11,914
2025-06-30 $134,628 11,914
2025-06-30 $718,680 63,600
2025-03-31 $356,000 50,000
2024-12-31 $204,200 20,000
2024-09-30 $111,300 15,000
2024-06-30 $201,080 22,000
2021-12-31 $625,240 28,000
2021-12-31 $205,436 9,200