Ownership history in CSS LLC/IL · 11 quarters on record
This page tracks every 13F SEC filing in which CSS LLC/IL reported a position in RIOT BLOCKCHAIN INC (RIOT). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q4 | REDUCED | 103,600 | -30,000 | -22.5% | 0.06% | $1.3M | $12.67 |
| 2025 Q3 | ADDED | 133,600 | +121,686 | +1021.4% | 0.11% | $2.5M | $19.03 |
| 2025 Q3 | UNCHANGED | 11,914 | — | 0% | 0.01% | $227K | $19.03 |
| 2025 Q2 | REDUCED | 11,914 | -51,686 | -81.3% | 0.01% | $135K | $11.30 |
| 2025 Q2 | ADDED | 63,600 | +13,600 | +27.2% | 0.03% | $719K | $11.30 |
| 2025 Q1 | ADDED | 50,000 | +30,000 | +150.0% | 0.02% | $356K | $7.12 |
| 2024 Q4 | ADDED | 20,000 | +5,000 | +33.3% | 0.01% | $204K | $10.21 |
| 2024 Q3 | REDUCED | 15,000 | -7,000 | -31.8% | 0.01% | $111K | $7.42 |
| 2024 Q2 | ADDED | 22,000 | +12,800 | +139.1% | 0.01% | $201K | $9.14 |
| 2021 Q4 | REDUCED | 9,200 | -18,800 | -67.1% | 0.01% | $205K | $22.33 |
As of 2025 Q4 — sorted by position size