| 24 Aug 2026 | Booz Allen acquisition of Ultra I&C Mission Solutions | M&A | US$720m |
| 19 Aug 2026 | Castelion Series C | Venture round | US$1bn |
| 28 Jul 2026 | Leonardo DRS acquisition of Raft | M&A Announced | US$450m |
| 15 Jul 2026 | Istari Digital equity raise of US$23m | Venture round | US$22.6m |
| 2 Jul 2026 | Quantum Systems Series D | Venture round | US$1.2bn |
| 28 May 2026 | Karman Space & Defense US$854m secondary offering | Equity raise | US$854m |
| 14 May 2026 | Red Cat Holdings US$225m share offering | Equity raise | US$225m |
| May 2026 | Anduril US$5bn Series H | Venture round | US$5bn |
| 24 Apr 2026 | Picogrid equity raise of US$45m | Venture round | US$45m |
| 27 Mar 2026 | Saronic Technologies equity raise of US$1,024m | Venture round | US$1.02bn |
| 26 Mar 2026 | Shield AI Series G and Blackstone preferred equity | Venture round | US$2bn |
| 18 Mar 2026 | Leonardo acquisition of Iveco Defence Vehicles | M&A | €1.6bn |
| 9 Mar 2026 | CACI acquisition of ARKA Group | M&A | US$2.6bn |
| 1 Mar 2026 | Rheinmetall acquisition of NVL (Naval Vessels Lürssen) | M&A | Not disclosed |
| 26 Feb 2026 | Kratos Defense & Security Solutions US$1.2bn share offering | Equity raise | US$1.2bn |
| 20 Feb 2026 | Firestorm Labs equity raise of US$35m | Venture round | US$35m |
| 18 Feb 2026 | Fincantieri c.€500m accelerated bookbuild capital increase | Equity raise | €499m |
| 5 Feb 2026 | Karman acquisition of Seemann Composites and Materials Sciences | M&A | US$220m |
| 23 Jan 2026 | Czechoslovak Group IPO on Euronext Amsterdam | IPO | €3.8bn |
| 12 Jan 2026 | Ondas Holdings US$1,000m share offering | Equity raise | US$1bn |
| 31 Dec 2025 | TransDigm acquisition of Stellant Systems | M&A Announced | US$960m |
| 30 Dec 2025 | Indra acquisition of 89.68% of Hispasat | M&A | €725m |
| 19 Dec 2025 | Hadrian Automation equity raise of US$131m | Venture round | US$131.3m |
| 5 Dec 2025 | Castelion Series B | Venture round | US$350m |
| 24 Nov 2025 | Overland AI equity raise of US$80m | Venture round | US$80m |
| 10 Nov 2025 | BigBear.ai acquisition of Ask Sage | M&A Announced | US$250m |
| 7 Nov 2025 | Kratos acquisition of Orbit Technologies | M&A Announced | US$356.3m |
| 5 Nov 2025 | Firefly Aerospace acquisition of SciTec | M&A | US$855m |
| 23 Oct 2025 | Airbus, Thales and Leonardo space business combination (Project Bromo) | JV / capital partnership Announced | Not disclosed |
| 20 Oct 2025 | TKMS spin-off and listing on the Frankfurt Stock Exchange | IPO | Not disclosed |
| 7 Oct 2025 | Ondas Holdings US$425m share offering | Equity raise | US$425m |
| 6 Oct 2025 | SAIC acquisition of SilverEdge Government Solutions | M&A Announced | US$205m |
| 6 Oct 2025 | TransDigm acquisition of Simmonds Precision Products | M&A | US$765m |
| 19 Sep 2025 | Red Cat Holdings US$150m share offering | Equity raise | US$150m |
| 17 Sep 2025 | Auterion equity raise of US$88m | Venture round | US$87.7m |
| 29 Aug 2025 | Hermeus equity raise of US$201m | Venture round | US$200.6m |
| 21 Aug 2025 | Stark Defence growth round | Venture round | US$62m |
| 15 Aug 2025 | Ondas Holdings US$173m share offering | Equity raise | US$173m |
| 12 Aug 2025 | Rocket Lab acquisition of Geost | M&A | US$275m |
| 23 Jul 2025 | Karman Space & Defense US$1,029m secondary offering | Equity raise | US$1.03bn |
| 11 Jul 2025 | Hanwha Aerospace KRW 2.9tn rights offering | Equity raise | KRW 2,918.76bn |
| 27 Jun 2025 | Hadrian Automation equity raise of US$110m | Venture round | US$110m |
| 17 Jun 2025 | Helsing €600m Series D | Venture round | €600m |
| 13 Jun 2025 | Redwire acquisition of Edge Autonomy | M&A | US$925m |
| 11 Jun 2025 | Ondas Holdings US$46m share offering | Equity raise | US$46m |
| 6 Jun 2025 | Firestorm Labs equity raise of US$10m | Venture round | US$10m |
| 5 Jun 2025 | Anduril Series G | Venture round | US$2.5bn |
| 21 May 2025 | Elbit Systems US$512m share offering | Equity raise | US$512m |
| 12 May 2025 | Mach Industries equity raise of US$102m | Venture round | US$102m |
| 6 May 2025 | Quantum Systems Series C | Venture round | €160m |
| 1 May 2025 | AeroVironment acquisition of BlueHalo | M&A | US$4.1bn |
| 6 Mar 2025 | Shield AI F-1 strategic round | Venture round | US$240m |
| 13 Feb 2025 | Karman Space & Defense US$506m IPO | IPO | US$506m |
| 4 Feb 2025 | Castelion Series A | Venture round | US$100m |
| 4 Feb 2025 | Saronic Series C | Venture round | US$600m |
| 3 Feb 2025 | Teledyne acquisition of Excelitas aerospace and defence electronics businesses | M&A | US$710m |
| 14 Jan 2025 | Fincantieri acquisition of Leonardo's underwater armaments business (WASS) | M&A | €287m |
| 20 Dec 2024 | Istari Digital equity raise of US$27m | Venture round | US$27.1m |
| 29 Nov 2024 | Rheinmetall acquisition of Loc Performance Products | M&A | US$950m |
| 27 Nov 2024 | Czechoslovak Group acquisition of The Kinetic Group | M&A | US$2.23bn |
| 20 Nov 2024 | Tekever growth round | Venture round | €70m |
| 4 Nov 2024 | Castelion equity raise of US$60m | Venture round | US$60m |
| 30 Oct 2024 | CACI acquisition of Azure Summit Technology | M&A | US$1.27bn |
| 30 Oct 2024 | Lockheed Martin acquisition of Terran Orbital | M&A | US$450m |
| 18 Oct 2024 | Overland AI equity raise of US$32m | Venture round | US$32.2m |
| 30 Sep 2024 | Firestorm Labs equity raise of US$20m | Venture round | US$20m |
| 27 Sep 2024 | Amentum combination with Jacobs Critical Mission Solutions | M&A | Not disclosed |
| 5 Sep 2024 | Second Front Systems equity raise of US$70m | Venture round | US$70m |
| 3 Sep 2024 | KBR acquisition of LinQuest | M&A | Not disclosed |
| 29 Aug 2024 | Hidden Level equity raise of US$66m | Venture round | US$66.5m |
| Aug 2024 | Anduril US$1.5bn Series F | Venture round | US$1.5bn |
| 31 Jul 2024 | TransDigm acquisition of Raptor Scientific | M&A | US$655m |
| 11 Jul 2024 | Fincantieri €400m rights issue | Equity raise | €399m |
| 11 Jul 2024 | Helsing Series C | Venture round | €450m |
| 28 Jun 2024 | Saronic Technologies equity raise of US$176m | Venture round | US$175.5m |
| 21 Jun 2024 | Hermeus equity raise of US$40m | Venture round | US$40m |
| 6 Jun 2024 | TransDigm acquisition of CPI Electron Device Business | M&A | US$1.39bn |
| 19 Apr 2024 | Arcline acquisition of Kaman | M&A | US$1.8bn |
| 2 Apr 2024 | Hensoldt acquisition of ESG Elektroniksystem- und Logistik | M&A | €675m |
| 20 Feb 2024 | Hadrian Automation equity raise of US$12m | Venture round | US$11.5m |
| 16 Feb 2024 | BAE Systems acquisition of Ball Aerospace | M&A | US$5.5bn |
| 12 Feb 2024 | Hidden Level equity raise of US$43m | Venture round | US$42.6m |
| 7 Feb 2024 | Renk IPO by private placement (Frankfurt) | IPO | €450m |
| 10 Jan 2024 | Picogrid equity raise of US$12m | Venture round | US$12.3m |
| 11 Dec 2023 | Hadrian Automation equity raise of US$86m | Venture round | US$86.3m |
| 7 Dec 2023 | Hensoldt €241m accelerated bookbuild capital increase | Equity raise | €241m |
| 22 Nov 2023 | Second Front Systems equity raise of US$33m | Venture round | US$33.4m |
| 19 Sep 2023 | Mach Industries equity raise of US$84m | Venture round | US$84.1m |
| 14 Sep 2023 | Helsing Series B | Venture round | €209m |
| 13 Sep 2023 | Shield AI equity raise of US$281m | Venture round | US$281.3m |
| 1 Aug 2023 | Rheinmetall acquisition of Expal Systems | M&A | €1.2bn |
| 28 Jul 2023 | L3Harris acquisition of Aerojet Rocketdyne | M&A | US$4.7bn |
| 23 May 2023 | Hanwha acquisition of Daewoo Shipbuilding & Marine Engineering (Hanwha Ocean) | M&A | KRW 2,000bn |
| 8 May 2023 | TransDigm acquisition of Calspan | M&A | US$725m |
| 3 May 2023 | Advent International take-private of Maxar Technologies | M&A | US$6.4bn |
| 3 Jan 2023 | L3Harris acquisition of Viasat's Tactical Data Links business | M&A | US$1.96bn |
| Dec 2022 | Anduril Series E | Venture round | US$1.48bn |
| 28 Nov 2022 | Leonardo DRS and RADA merger | M&A | Not disclosed |
| 23 Nov 2022 | QinetiQ acquisition of Avantus Federal | M&A | US$590m |
| 23 Nov 2022 | True Anomaly equity raise of US$16m | Venture round | US$16m |
| 28 Oct 2022 | Second Front Systems equity raise of US$19m | Venture round | US$19.1m |
| 13 Sep 2022 | Parker Hannifin acquisition of Meggitt | M&A | £6.3bn |
| 1 Aug 2022 | Advent (Cobham Ultra) acquisition of Ultra Electronics | M&A | £2.58bn |
| 15 Jun 2022 | Dedrone equity raise of US$30m | Venture round | US$30m |
| 16 May 2022 | Shield AI equity raise of US$73m | Venture round | US$73m |
| 29 Mar 2022 | Hadrian Automation equity raise of US$37m | Venture round | US$36.8m |
| 8 Mar 2022 | Skydio equity raise of US$227m | Venture round | US$226.9m |
| 4 Mar 2022 | Hermeus equity raise of US$120m | Venture round | US$119.6m |
| 13 Feb 2022 | Lockheed Martin acquisition of Aerojet Rocketdyne (terminated) | M&A Terminated | US$4.4bn |
| 28 Jan 2022 | Epirus equity raise of US$191m | Venture round | US$190.8m |
| 3 Jan 2022 | Leonardo acquisition of 25.1% of Hensoldt from KKR | Stake sale | €606m |
| 23 Dec 2021 | Hadrian Automation equity raise of US$36m | Venture round | US$36.4m |
| 7 Dec 2021 | Dedrone equity raise of US$30m | Venture round | US$30.5m |
| 20 Aug 2021 | HII acquisition of Alion Science and Technology | M&A | US$1.65bn |
| 19 Jul 2021 | Red Cat Holdings US$60m share offering | Equity raise | US$60m |
| 7 Jul 2021 | Parsons acquisition of BlackHorse Solutions | M&A | US$203m |
| 14 Jun 2021 | Booz Allen acquisition of Liberty IT Solutions | M&A | US$725m |
| 11 Jun 2021 | Ondas Holdings US$47m share offering | Equity raise | US$47.4m |
| 4 Jun 2021 | Hidden Level equity raise of US$17m | Venture round | US$17.3m |
| Jun 2021 | Anduril Series D | Venture round | US$450m |
| 14 May 2021 | Teledyne acquisition of FLIR Systems | M&A | US$8.2bn |
| 6 May 2021 | Veritas Capital (Peraton) acquisition of Perspecta | M&A | US$7.1bn |
| 22 Feb 2021 | AeroVironment acquisition of Arcturus UAV | M&A | US$405m |
| 12 Feb 2021 | BigBear.ai US$359m share offering | Equity raise | US$358.8m |
| 11 Feb 2021 | Skydio equity raise of US$96m | Venture round | US$96.5m |
| 1 Feb 2021 | Veritas Capital (Peraton) acquisition of Northrop Grumman IT and mission support services | M&A | US$3.4bn |
| 5 Jan 2021 | TransDigm acquisition of Cobham Aero Connectivity | M&A | US$965m |
| 30 Dec 2020 | Mercury Systems acquisition of Physical Optics Corporation | M&A | US$310m |
| 29 Dec 2020 | Ursa Major Technologies equity raise of US$15m | Venture round | US$15m |
| 4 Dec 2020 | Ondas Holdings US$30m share offering | Equity raise | US$30m |
| 19 Nov 2020 | Parsons acquisition of Braxton Science & Technology | M&A | US$300m |
| 27 Oct 2020 | Shield AI equity raise of US$53m | Venture round | US$52.9m |
| 26 Oct 2020 | Hermeus equity raise of US$19m | Venture round | US$19.2m |
| 5 Oct 2020 | KBR acquisition of Centauri | M&A | US$827m |
| 25 Sep 2020 | Epirus equity raise of US$57m | Venture round | US$57.3m |
| 25 Sep 2020 | Hensoldt IPO on the Frankfurt Stock Exchange | IPO | €300m |
| 4 May 2020 | Leidos acquisition of L3Harris security detection businesses | M&A | US$1bn |
| 3 Apr 2020 | United Technologies and Raytheon merger (Raytheon Technologies) | M&A | Not disclosed |
| 16 Mar 2020 | SAIC acquisition of Unisys Federal | M&A | US$1.2bn |
| 31 Jan 2020 | Leidos acquisition of Dynetics | M&A | US$1.65bn |
| 22 Jan 2020 | Advent International acquisition of Cobham | M&A | £4bn |
| 25 Oct 2019 | Epirus equity raise of US$17m | Venture round | US$17.4m |
| 13 Aug 2019 | Shield AI equity raise of US$22m | Venture round | US$22.2m |
| 29 Jun 2019 | Harris and L3 Technologies merger (L3Harris) | M&A | Not disclosed |
| 18 Jun 2019 | Ursa Major Technologies equity raise of US$25m | Venture round | US$25.3m |
| 23 May 2019 | Mercury Systems US$414m share offering | Equity raise | US$414m |
| 13 May 2019 | Parsons US$463m share offering | Equity raise | US$462.9m |
| 14 Mar 2019 | TransDigm acquisition of Esterline Technologies | M&A | US$4bn |
| 14 Jan 2019 | SAIC acquisition of Engility | M&A | US$2.5bn |
| 20 Dec 2018 | Shield AI equity raise of US$10m | Venture round | US$10m |
| Dec 2018 | Kongsberg NOK 5.0bn rights issue (Rolls-Royce Commercial Marine) | Equity raise | NOK 5bn |
| Dec 2018 | Saab SEK 6.0bn rights issue | Equity raise | SEK 6.01bn |
| 26 Nov 2018 | United Technologies acquisition of Rockwell Collins | M&A | Not disclosed |
| 25 Nov 2018 | Elbit Systems acquisition of IMI Systems | M&A | US$495m |
| 7 Sep 2018 | Dedrone equity raise of US$27m | Venture round | US$27.4m |
| 6 Jun 2018 | Northrop Grumman acquisition of Orbital ATK | M&A | US$9.2bn |
| 24 Apr 2018 | TransDigm acquisition of Extant Aerospace | M&A | US$525m |
| 3 Apr 2018 | General Dynamics acquisition of CSRA | M&A | US$9.6bn |
| 1 Feb 2018 | Mercury Systems acquisition of Themis Computer | M&A | US$180m |
| 29 Jan 2018 | Fortem Technologies equity raise of US$16m | Venture round | US$16.4m |
| 28 Mar 2017 | Teledyne acquisition of e2v | M&A | US$789m |
| 21 Mar 2017 | Shield AI equity raise of US$10m | Venture round | US$10.5m |
| 13 Feb 2017 | Dedrone equity raise of US$12m | Venture round | US$11.7m |
| 27 Jan 2017 | Mercury Systems US$198m share offering | Equity raise | US$198m |
| 16 Aug 2016 | Leidos combination with Lockheed Martin IS&GS | M&A | US$4.6bn |
| 23 Jun 2016 | TransDigm acquisition of Data Device Corporation | M&A | US$1bn |
| 8 Apr 2016 | Mercury Systems US$87m share offering | Equity raise | US$86.6m |
| 1 Feb 2016 | CACI acquisition of L-3 National Security Solutions | M&A | US$550m |
| 15 Dec 2015 | KNDS formed by Nexter and Krauss-Maffei Wegmann | JV / capital partnership | Not disclosed |
| 6 Nov 2015 | Lockheed Martin acquisition of Sikorsky | M&A | US$9bn |
| 29 May 2015 | Harris acquisition of Exelis | M&A | US$4.75bn |
| 4 May 2015 | SAIC acquisition of Scitor | M&A | US$790m |