Ownership history in MILLENNIUM MANAGEMENT LLC · 14 quarters on record
This page tracks every 13F SEC filing in which MILLENNIUM MANAGEMENT LLC reported a position in SYSTEM1 INC (SST). 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 | 35,449 | -3,112 | -8.1% | 0.00% | $139K | $3.92 |
| 2025 Q3 | REDUCED | 38,561 | -4,217 | -9.9% | 0.00% | $271K | $7.04 |
| 2025 Q2 | REDUCED | 42,778 | -70,075 | -62.1% | 0.00% | $237K | $5.53 |
| 2024 Q4 | REDUCED | 112,853 | -81,994 | -42.1% | 0.00% | $101K | $8.98 |
| 2024 Q3 | REDUCED | 194,847 | -15,218 | -7.2% | 0.00% | $218K | $11.20 |
| 2024 Q2 | ADDED | 210,065 | +149,022 | +244.1% | 0.00% | $319K | $15.20 |
| 2024 Q1 | ADDED | 61,043 | +41,653 | +214.8% | 0.00% | $120K | $19.60 |
| 2023 Q1 | REDUCED | 19,390 | -67,953 | -77.8% | 0.00% | $83K | $43.00 |
| 2022 Q4 | ADDED | 87,343 | +37,457 | +75.1% | 0.00% | $410K | $46.90 |
| 2022 Q3 | REDUCED | 49,886 | -103,702 | -67.5% | 0.00% | $314K | $62.90 |
As of 2025 Q4 — sorted by position size