Ownership history in Headlands Technologies LLC · 11 quarters on record
This page tracks every 13F SEC filing in which Headlands Technologies LLC reported a position in MARKETAXESS HLDGS INC (MKTX). 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 Q3 | ADDED | 12,127 | +9,022 | +290.6% | 0.17% | $2.1M | $172.72 |
| 2025 Q2 | REDUCED | 3,105 | -3,311 | -51.6% | 0.08% | $693K | $220.48 |
| 2025 Q1 | ADDED | 6,416 | +3,658 | +132.6% | 0.16% | $1.4M | $212.85 |
| 2024 Q4 | REDUCED | 2,758 | -331 | -10.7% | 0.06% | $623K | $221.52 |
| 2024 Q3 | REDUCED | 3,089 | -1,912 | -38.2% | 0.09% | $791K | $250.38 |
| 2024 Q2 | ADDED | 5,001 | +4,682 | +1467.7% | 0.11% | $1.0M | $195.35 |
| 2024 Q1 | REDUCED | 319 | -260 | -44.9% | 0.02% | $70K | $212.85 |
| 2023 Q4 | REDUCED | 579 | -433 | -42.8% | 0.05% | $170K | $283.37 |
| 2023 Q3 | REDUCED | 1,012 | -293 | -22.5% | 0.11% | $216K | $206.05 |
| 2023 Q2 | ADDED | 1,305 | +568 | +77.1% | 0.11% | $341K | $251.46 |
As of 2025 Q4 — sorted by position size