Question: Ruth Monika Parasol is the largest stakeholder in which former largest publicly traded gamblig firm?

Context paragraphs:
Industries Qatar: Industries Qatar Q.S.C. (Arabic: صناعات قطر‎ ‎ ; IQ) is a Qatari conglomerate with subsidiaries and investments in the petrochemicals, fertilisers and steel industries.  IQ is a 51-percent subsidiary of Qatar Petroleum.  Its shares are traded on the Qatar Exchange and is one of the largest publicly traded companies in Qatar by market capitalisation.

Ruth Parasol: Ruth Monicka Parasol founded PartyGaming, the parent company of online poker site PartyPoker.com, in 1997.  The company merged with Bwin Interactive in 2010 to form Bwin.Party Digital Entertainment plc., then the world’s largest publicly traded online gaming company.  Parasol is the single largest individual stakeholder of Bwin.Party Digital Entertainment.  PartyGaming issued its initial public offering (IPO) on the London Stock Exchange in June 2005.  In 2006, Parasol was ranked 197 on The Forbes List 400.  In 2008, Parasol and her former husband Russ DeLeon were ranked 97 on the Sunday Times Rich List.  In 2010, The Economist magazine ranked her 15th of the world's richest self-made women.  In 2012, The Sunday Times List ranked her 14th among UK women.

Rockland Trust: Rockland Trust is a commercial bank based in Rockland, Massachusetts that serves Southeastern Massachusetts, Coastal Massachusetts, Cape Cod, and Boston's MetroWest.  Established in 1907 as Rockland Trust Company, it is one of few local banks that retain their original name and independent ownership after more than 100 years.  (Rockland Trust Company is the wholly owned subsidiary of Independent Bank Corp., which is publicly traded on NASDAQ (INDB).)  Rockland Trust is the largest publicly traded commercial bank headquartered in Massachusetts, with more than 8 billion in assets and over 1000 employees.  Rockland Trust offers a wide range of commercial, retail, commercial banking products and services, business and consumer loans, insurance products and services, and investment management services from: 77 retail branches, 10 commercial lending centers, and 4 mortgage banking centers located throughout Eastern Massachusetts and on Cape Cod; and 4 investment management offices located in Southeastern Massachusetts, on Cape Cod, and in Rhode Island.  Corporate headquarters are in Hanover, Massachusetts.

Encore Capital Group: Encore Capital Group, Inc. and its subsidiaries form the largest publicly traded debt buyer by revenue in the United States.  It has established operations in 11 countries.  Its subsidiaries purchase portfolios of consumer receivables from major banks, credit unions, commercial retailers, and telecommunications companies, and work with individuals to repay their debts.  At the corporate level, debt collection is high profitable and Encore Capital enjoyed revenue growth from $545 million in 2012 to $1.029 billion in 2016.  The firm is a publicly traded NASDAQ Global Select company (ticker symbol ECPG), a component stock of the Russell 2000, the S&P SmallCap 600, and the Wilshire 4500.

Master limited partnership: In the United States, a master limited partnership (MLP) is a limited partnership that is publicly traded, also known as a publicly traded partnership.  It combines the tax benefits of a limited partnership with the liquidity of publicly traded securities.

Man Group: Man Group plc is an alternative investment management business initially founded as a sugar cooperage and brokerage by James Man in 1783.  It provides a range of funds for institutional and private investors globally and is the world's largest publicly traded hedge fund company, reporting $78.1 billion in funds under management as of March 2015.  The firm is headquartered at Riverbank House in London and employs over 1,000 people in various locations worldwide.  The company is a noted sponsor of the arts and charitable initiatives, including the Man Booker Prize and the Man Charitable Trust.

Western Refining: Western Refining, Inc., is a Texas-based Fortune 200 and Global 2000 crude oil refiner and marketer operating primarily in the Southwestern, North-Central and Mid-Atlantic regions of the United States.  Western Refining (WNR) has been publicly traded on the New York Stock Exchange since January, 2006 and is the fourth largest publicly traded independent refiner and marketer in the nation.

Bwin.Party Digital Entertainment: bwin.party Digital Entertainment was an online gambling company, formed by the March 2011 merger of PartyGaming plc and bwin Interactive Entertainment AG.  Formerly the world's largest publicly traded online gambling firm, it was best known for its online poker room PartyPoker, World Poker Tour and its sports betting brand bwin (officially styled "bwin").

Reliance Industries: Reliance Industries Limited (RIL) is an Indian conglomerate holding company headquartered in Mumbai, Maharashtra, India.  Reliance owns businesses across India engaged in energy, petrochemicals, textiles, natural resources, retail, and telecommunications.  Reliance is the most profitable company in India, the largest publicly traded company in India by market capitalization, and the second largest company in India as measured by revenue after the government-controlled Indian Oil Corporation.  The company is ranked 215th on the "Fortune Global 500" list of the world's biggest corporations as of 2016.  It is ranked 8th among the Top 250 Global Energy Companies by Platts as of 2016.  Reliance continues to be India’s largest exporter accounting for 8% of India’s total merchandise exports with a value of Rs 147,755 crore and access to markets in 108 countries.Reliance is responsible for almost 5% of India’s total revenues from customs and excise duty and is also the highest Income tax payer in the private sector in India.

James Mworia: James Mwirigi Mworia is a Kenyan lawyer, accountant, and business executive.  He is the managing director and chief executive officer of Centum Investments, the largest publicly traded private capital firm in eastern Africa.  He has served in that capacity since 2008.

Supporting paragraphs: Ruth Parasol Bwin.Party Digital Entertainment
Answer: Bwin.Party Digital Entertainment