Form 13F-HR - Quarterly report filed by institutional managers, Holdings:
SEC Accession No. 0000950123-18-002227
Filing Date
2018-02-14
Accepted
2018-02-14 13:23:24
Documents
2
Period of Report
2017-12-31
Effectiveness Date
2018-02-14

Document Format Files

Seq Description Document Type Size
1 primary_doc.html 13F-HR  
1 primary_doc.xml 13F-HR 3083
2 INFORMATION TABLE FOR FORM 13F form13fInfoTable.html INFORMATION TABLE  
2 INFORMATION TABLE FOR FORM 13F form13fInfoTable.xml INFORMATION TABLE 1275
  Complete submission text file 0000950123-18-002227.txt   5581
Mailing Address 410 PARK AVENUE, 19TH FLOOR NEW YORK NY 10022
Business Address 410 PARK AVENUE, 19TH FLOOR NEW YORK NY 10022 212-515-2115
Yorktown Energy Partners XI, L.P. (Filer) CIK: 0001667954 (see all company filings)

EIN.: 811279864 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 13F-HR | Act: 34 | File No.: 028-17860 | Film No.: 18610377