First-hand SEC EDGAR 13F-HR institutional holdings: the top 25 holders ranked by market value, plus the largest adds and trims this quarter. Quarter 2026-03-31.
| Filer | Shares | Market Value | Δ Shares | Change |
|---|---|---|---|---|
GROUP ONE TRADING LLCCIK 0000932540 | 228,100 | $15.05M | +48,800 | ↑ INC |
Calydon CapitalCIK 0001759271 | 112,036 | $7.39M | -868 | ↓ DEC |
GROUP ONE TRADING LLCCIK 0000932540 | 71,600 | $4.72M | -98,300 | ↓ DEC |
| Filer | Δ Shares | Value |
|---|---|---|
GROUP ONE TRADING LLC↑ INC | +48,800 | $15.05M |
| Filer | Δ Shares | Value |
|---|---|---|
GROUP ONE TRADING LLC↓ DEC | -98,300 | $4.72M |
Calydon Capital↓ DEC | -868 | $7.39M |