(Adds Autolus, Banco; Updates Advent)
Sept 16 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 2030 GMT on Monday:
** Japan's SoftBank Group Corp 9984.T has raised its stake in Banco Inter SA BIDI4.SA to 14.94% from 8.10%, according to a document filed by the Brazilian lender, deepening the conglomerate's push to challenge Brazil's concentrated banking sector. Investment group PPF, controlled by the Czech Republic's richest man Petr Kellner, has acquired a 19.2% stake in biopharmaceutical firm Autolus Therapeutics AUTL.O , it said, making it the company's biggest shareholder. Vivint Smart Home Inc, a home automation company backed by Blackstone (NYSE:BX) Group BX.N , agreed to merge with a company funded by a unit of Japan's SoftBank Corp 9434.T to create a firm with an enterprise value of $5.6 billion. Oil and gas pipeline company Energy Transfer LP ET.N said it would buy smaller rival SemGroup Corp SEMG.N for $1.35 billion and build a 75-mile oil pipeline to strengthen its oil transportation, terminalling and export operations. London Stock Exchange Group LSE.L shareholder Royal London Asset Management said it backed the board's decision to reject a 32 billion pounds ($39.8 billion) offer from Hong Kong Exchanges and Clearing (HKEX) 0388.HK .
** Staff representatives at bankrupt French airline Aigle Azur have asked for more time to discuss a takeover by Air France-KLM AIRF.PA at a court hearing, as the field of potential buyers narrowed, the CFDT union said. Talks to sell Metro's loss-making Real hypermarket chain to real estate investor Redos could take longer than expected after other parties showed interest in the properties, the German wholesaler said. Austrian sensor specialist AMS AMS.S is actively buying Osram OSRn.DE shares and currently holds a stake of almost 3% in the German lighting group, its chief executive said. U.S. private equity firm Advent International won its battle to buy Britain's Cobham COB.L for $5 billion, taking advantage of the weak pound to pounce on the defence and aerospace group that pioneered air-to-air refuelling. Insolvent German wind turbine manufacturer Senvion SENG.DE agreed on exclusive talks with Siemens Gamesa SGREN.MC over the sale of a substantial part of its business. Denmark's Lundbeck LUN.CO has agreed to buy Alder BioPharmaceuticals ALDR.O in a deal valued at almost $2 billion, hoping to reap profits from a potential blockbuster migraine drug. China Mengniu Dairy Co 2319.HK unveiled a plan to buy infant formula maker Bellamy's Australia Ltd BAL.AX for A$1.43 billion ($983 million), a lifeline for a target beset by regulatory problems that sent its shares soaring. Allianz Global Investors ALVG.DE , the biggest shareholder of Osram OSRn.DE , is prepared to sell its stake to chipmaker AMS AMS.VI in the course of its 4.3 billion euro ($4.75 billion)takeover attempt if no better bid is made, a source said. Dream Global Real Estate Investment Trust DRG_u.TO said funds managed by Blackstone Group Inc BX.N would buy the Canadian firm in a C$6.2 billion ($4.69 billion) deal. Australia's Pacific Energy PEA.AX said it would back a $321.18 million takeover offer by QIC Private Capital after the investment manager matched a rival consortium's recent offer for the power supplier. Bellamy's Australia Ltd BAL.AX said China Mengniu Dairy Company Ltd 2319.HK will buy the formula maker for A$1.43 billion ($982.98 million). German health care group Fresenius FREG.DE has abandoned plans to sell its blood transfusion business, a spokesman said on Sunday, confirming a German media report. Hong Kong Exchanges and Clearing 0388.HK is embarking on a three-week charm offensive with London Stock Exchange LSE.L investors as the Asian trading house tries to salvage its proposed $39 billion takeover offer. Britain's FirstGroup FGP.L is pursuing potential options for the separation of its UK First Bus business, a company spokesman said on Sunday. Virgin Australia Holdings Ltd VAH.AX said it entered an agreement to buy back the 35% of its Velocity frequent flyer programme that it does not already own for A$700 million ($481 million) from private-equity group Affinity Equity Partners.