This page lists the SEC filings reported by TUDOR INVESTMENT CORP ET AL.
| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G | 2001-01-03 | TUDOR INVESTMENT CORP ET AL | READ RITE CORP /DE/ | 2,954,959 | 4.8% | EDGAR |
| SC 13G/A | 2000-09-25 | - | - | - | - | EDGAR |
| SC 13G/A | 2000-09-25 | - | - | - | - | EDGAR |
| SC 13G | 2000-09-25 | - | - | - | - | EDGAR |
| SC 13G/A | 2000-08-31 | - | - | - | - | EDGAR |
| SC 13G/A | 2000-08-15 | - | - | - | - | EDGAR |
| SC 13G/A | 2000-07-13 | - | - | - | - | EDGAR |
| SC 13G | 2000-07-11 | - | - | - | - | EDGAR |
| SC 13G/A | 2000-07-10 | - | - | - | - | EDGAR |
| SC 13G/A | 2000-06-09 | - | - | - | - | EDGAR |
| SC 13G/A | 2000-06-07 | - | - | - | - | EDGAR |
| SC 13G/A | 2000-05-23 | TUDOR INVESTMENT CORP ET AL | METROCALL INC | 1,673,673 | 3.8% | EDGAR |
| SC 13G/A | 2000-04-27 | TUDOR INVESTMENT CORP ET AL | ACTV INC /DE/ | 1,752,826 | 3.7% | EDGAR |
| SC 13G/A | 2000-04-27 | TUDOR INVESTMENT CORP ET AL | AHT CORP | 200,964 | 1.9% | EDGAR |
| SC 13G/A | 2000-04-27 | TUDOR INVESTMENT CORP ET AL | NTN COMMUNICATIONS INC | 0 | 0.0% | EDGAR |
| SC 13G | 2000-04-24 | TUDOR INVESTMENT CORP ET AL | PRT GROUP INC | 5,370,609 | 22.6% | EDGAR |
| SC 13G/A | 2000-04-20 | TUDOR INVESTMENT CORP ET AL | EARTHWEB INC | 188,853 | 1.9% | EDGAR |
| SC 13G/A | 2000-04-11 | TUDOR INVESTMENT CORP ET AL | SYSTEM SOFTWARE ASSOCIATES INC | 402,054 | 3.4% | EDGAR |
| SC 13G/A | 2000-03-21 | TUDOR INVESTMENT CORP ET AL | ACT NETWORKS INC | 427,579 | 4.1% | EDGAR |
| SC 13G/A | 2000-03-21 | TUDOR INVESTMENT CORP ET AL | ACT NETWORKS INC | 427,579 | 4.1% | EDGAR |
- Form 13F-HR
- The 13F-HR report is filed quarterly to report securities held by the filer that fall under the SEC's 13F rules.
- Form SC 13D/G
- Reported by persons and groups who own 5% or more of any class of a company's outstanding shares. If the ownership changes by 1% or more, an amendment must be filed.
- Form 3, 4, and 5
- Form 3, 4, and 5 reports are filed to report insider transactions by company officers and directors, and any beneficial owners of more than ten percent of a company's shares. Form 3 is the initial report that must be filed when a person becomes an officer, director, or beneficial owner. Form 4 reports are used to report changes in ownership, while the Form 5 report is used for reporting transactions that should have been reported earlier in a Form 4 filing.