Catalyst Investments is an Israeli growth-capital investment firm founded in 1999 and based in Tel Aviv, Israel, investing in disruptive-technology companies primarily in Israel. The firm was founded by Yair Shamir (son of former Israeli Prime Minister Yitzhak Shamir and a prominent Israeli technology-industry veteran; former Chairman of Israel Aircraft Industries, former Chairman of El Al, former Israeli Minister of Agriculture) alongside partners. Catalyst invests at growth and late-stage with typical investment sizes in the USD 10 to 30 million range, often as part of co-investment syndicates. The firm has raised multiple institutional funds (Catalyst Fund I in 1999, Catalyst Fund II, Catalyst CEL Fund aEUR" the Catalyst China-Israel Fund targeting Chinese strategic LPs interested in Israeli-technology access, and Catalyst Private Equity Partners structures) with aggregate AUM exceeding USD 500 million+ across vintages. Notable portfolio companies have included various leading Israeli technology exits. The firm operates in the broader Israeli / Israeli-growth-stage investment ecosystem alongside firms such as Jerusalem Venture Partners (JVP), Gemini Israel, Viola Ventures, Pitango, and Qumra Capital.