Sentinel Capital Partners, a private equity firm that invests in promising mid-market companies, has acquired NSI Industries, a provided of branded products for the electrical and HVAC markets, from PE firm Odyssey Investment Partners.

Drone manufacturer AeroVironment is to acquire BlueHalo, a defence and space technology firm primarily owned by private equity firm Arlington Capital Partners, in an all-stock deal valued at approximately $4.1bn, according to a report by Reuters.

Private investment house Ardian has sold its 49% stake in Autopista Trados 45 (Trados) to Abertis, an international motorway operator headquartered in Spain. Abertis was already the majority shareholder in Trados.

Canadian private equity firm Brookfield is reportedly considering a €7bn ($7.4bn) takeover bid for Spanish pharmaceutical company Grifols and is completing due diligence on the plasma-based drugmaker, according to a report by El Confidencial.

European mid-market private equity firm Inflexion is to acquire Finanzen.net Group (Finanzen), a digital broker and market financial information portal in the DACH region, from Axel Springer, in partnership with the company’s founders.

Garnett Station Partners (Garnett Station), a New York-based private investment firm managing over $2.3bn in assets, has made a strategic growth investment in Bristol Environmental (Bristol), a provider of environmental remediation and abatement services.

Global investment firms KKR and Dragoneer Investment Group have completed their acquisition of Instructure Holdings, a provider of education technology including the Canvas learning management platform, in a deal valued at approximately $4.8bn.