![Mark Helderman](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Mark Helderman
Keine laufenden Positionen mehr
Vermögen: 3 Mio $ am 30.09.2026
Profil
Mr. Mark W.
Helderman is an Independent Director at ONEOK, Inc. He is on the Board of Directors at ONEOK, Inc. Mr. Helderman was previously employed as an Independent Director by ONEOK, Inc. (Old) and a Managing Director & Portfolio Manager by Sasco Capital, Inc. He received his undergraduate degree from the University of Dayton and a graduate degree from the University of Oklahoma.
Bekannte Unternehmensbeteiligungen
| Unternehmen | Datum | Anzahl der Aktien | Bewertung | Datum der Bewertung |
|---|---|---|---|---|
0% | 20.05.2026 | 38’704 ( 0% ) | 3 Mio $ | 30.09.2026 |
Aktive Positionen von Mark Helderman
| Unternehmen | Position | Beginn |
|---|
Ehemalige bekannte Positionen von Mark Helderman
| Unternehmen | Position | Ende |
|---|---|---|
Sasco Capital, Inc.
 Sasco Capital, Inc. Investment ManagersFinance Sasco Capital employs a time-tested, contrarian approach to value investing in the Small, Smid and Mid-Cap market segments. The firm utilizes fundamental, bottom-up security analysis based on a proprietary screening process, individual company research, and meetings with senior management. They invest in out-of-favor, underperforming companies with restructuring and transformational potential. The investment strategy has a long-term investment horizon and low turnover. | Portfolio Manager-Aktien | 01.01.2019 |
| ONEOK, INC. | Direktor/Vorstandsmitglied | - |
Ausbildung von Mark Helderman
Erfahrungen
Besetzte Positionen
Aktive
Inaktive
Börsennotierte Unternehmen
Private Unternehmen
Beziehungen
56
Beziehungen ersten Grades
4
Unternehmen ersten Grades
Herr
Frau
Aufsichtsräte
Führungskräfte
Unternehmensverbindungen
| Private Unternehmen | 4 |
|---|---|
ONEOK, Inc.
 ONEOK, Inc. Oil & Gas PipelinesIndustrial Services Engages in gathering, processing, sale, transportation and storage of natural gas | Industrial Services |
Sasco Capital, Inc.
Sasco Capital, Inc. Investment ManagersFinance Sasco Capital employs a time-tested, contrarian approach to value investing in the Small, Smid and Mid-Cap market segments. The firm utilizes fundamental, bottom-up security analysis based on a proprietary screening process, individual company research, and meetings with senior management. They invest in out-of-favor, underperforming companies with restructuring and transformational potential. The investment strategy has a long-term investment horizon and low turnover. | Finance |
University of Dayton
 University of Dayton Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
University of Oklahoma
 University of Oklahoma Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
