M&A Deal Flow: Mega-Deals and Antitrust Reviews — 2026-09-21
Paramount's $111 billion bid for Warner Bros. Discovery moved closer to clearing a major legal hurdle after its owners offered concessions to 12 Democratic state attorneys general. H.I.G. Capital agreed to take MISTRAS Group private for ~$866 million, while in Japan Hikari Tsushin launched an up to ¥270 billion ($2.7bn) tender offer for Leopalace21. Canada's GFL Environmental has become the target of competing Blackstone/Brookfield-led consortia in what could be one of the year's largest leveraged buyouts.
M&A Deal Flow: Mega-Deals and Antitrust Reviews — 2026-09-21
Top developments
Paramount offers concessions to state AGs to salvage $111bn Warner Bros. Discovery deal
On September 21, Paramount's owners made concessions to 12 Democratic state attorneys general to settle a lawsuit that had endangered the media giant's bid for its larger Hollywood rival, Warner Bros. Discovery. The move clears a significant non-federal obstacle for the roughly $111 billion transaction, one of the largest media deals ever attempted. For deal watchers, it marks a notable form of political risk management in mega-deal execution.

H.I.G. Capital to take MISTRAS Group private for ~$866 million
On September 18, H.I.G. Capital agreed to acquire industrial asset integrity firm MISTRAS Group in an all-cash deal valued at approximately $866 million including debt, at $20.35 per share — an ~8% premium to the 30-day VWAP and ~13% to the 90-day VWAP. Closing is not expected until late 2026 or early 2027, and a termination fee payable to H.I.G. may discourage competing bids. MISTRAS will be delisted from the NYSE upon completion.

Rival consortium bids emerge for GFL Environmental
On September 16, Bloomberg reported that Blackstone and Brookfield are leading rival consortia bidding for GFL Environmental, in what could be one of the largest leveraged buyouts of the year. Separate reporting puts the contest at an ~$18 billion equity deal with roughly $10 billion of debt, pitting KKR/Energy Capital and Blackstone against a Brookfield–IFM group. The three-way infrastructure race underscores record dry powder chasing essential-service assets.

Local view
In Japan, Hikari Tsushin announced on September 14 a tender offer for rental-housing giant Leopalace21, teaming with investment funds and targeting full subsidiary status; Nikkei values the transaction at up to ¥267.6 billion, with a ¥1,000-per-share offer price. Coverage in Yomiuri Shimbun and TV Asahi noted the offer price was set against the September 14 close. Separately, Nikkei reported kadoya sesame-oil maker Kadoya will go private via a ~¥58 billion ($580 oku-en) TOB by Integral.
Also in Japan, Kagaku.com (Kakaku.com) has become the subject of two competing tender offers: BCPE Blitz raised its bid on September 21 to ¥3,597 per share, rising to ¥3,720 if a no-solicitation agreement with KDDI is concluded, while the target has yet to state its position.
Context & numbers
- Global M&A deal value is tracking toward ~$4 trillion in 2026, up ~13% year-on-year, per PwC's mid-year outlook — record-setting deals in utilities, streaming and REITs despite declining volumes.
- Q1 2026 global M&A totaled $861.1 billion, the strongest start since 2021 (+9.7% vs Q1 2025), with a "K-shaped" market led by transformational mega-deals.
- On the regulatory side, the European Commission published draft new Merger Guidelines on 30 April 2026 — its broadest merger rules review in two decades — a framework that will shape reviews of deals like Paramount/WBD.
On the radar
- GFL Environmental: expect competing definitive proposals from the Blackstone-led and Brookfield/IFM-led consortia; watch whether the board runs a formal auction.
- Kakaku.com: the special committee must decide whether to recommend the BCPE Blitz offer (¥3,597, or ¥3,720 under a KDDI agreement) — a rare two-way TOB battle in Japan.
- MISTRAS/H.I.G.: stockholder vote and regulatory path, with closing only expected late 2026 or early 2027.
- Per Benzinga's Deal Dispatch, egg maker Vital Farms is considering a sale; Blackstone bought a flow-control business and Thompson Street acquired Braille Works this week.
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