Ownership history in Walleye Trading LLC · 20 quarters on record
This page tracks every 13F SEC filing in which Walleye Trading LLC reported a position in AMPLITUDE INC (AMPL). 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 | 7,400 | -48,300 | -86.7% | 0.00% | $86K | $11.58 |
| 2025 Q4 | ADDED | 55,700 | +42,051 | +308.1% | 0.00% | $645K | $11.58 |
| 2025 Q3 | ADDED | 13,649 | +2,749 | +25.2% | 0.00% | $146K | $10.72 |
| 2025 Q3 | REDUCED | 10,900 | -300 | -2.7% | 0.00% | $117K | $10.72 |
| 2025 Q3 | REDUCED | 11,200 | -16,600 | -59.7% | 0.00% | $120K | $10.72 |
| 2025 Q2 | ADDED | 27,800 | +7,000 | +33.7% | 0.00% | $345K | $12.40 |
| 2025 Q2 | ADDED | 20,800 | +17,179 | +474.4% | 0.00% | $258K | $12.40 |
| 2025 Q1 | ADDED | 3,621 | +1,921 | +113.0% | 0.00% | $37K | $10.19 |
| 2025 Q1 | REDUCED | 1,700 | -6,900 | -80.2% | 0.00% | $17K | $10.19 |
| 2025 Q1 | ADDED | 8,600 | +4,243 | +97.4% | 0.00% | $88K | $10.19 |
As of 2025 Q4 — sorted by position size