Top 100 Biggest Merger & Acquisition Deals of All Time (Ranked by Value)

The world's biggest M&A deals ever completed occurred within a range of different market sectors and are marked with the year the transaction was introduced, not necessarily completed. As of April 2022, the merger between Mannesmann AG and Vodafone Air Touch PLC is the biggest ever M&A deal recorded since 2000, with the takeover worth over $198 billion. 

Here is the top 100 ranking of the largest M&A deals of all time, ranked by combined deal value.
1
$
190374
Australia
Rio Tinto Plc
United Kingdom
BHP Group Limited
Equity (USD 145191.8750)
2
$
186307
Germany
Mannesmann AG
United Kingdom
Vodafone Group Plc
2000
Equity (USD 186440.8049)
3
$
124100
United States of America
Verizon Wireless Inc (45% Stake)
United Kingdom
Verizon Communications Inc.
United Kingdom
Vodafone Group Plc
2014
Cash (USD 58900.0000), Equity (USD 60200.0000), Loan notes (USD 5000.0000)
4
$
122834
Belgium
SABMiller Plc
United Kingdom
Anheuser-Busch InBev NV
2016
Cash (USD 112514.0127)
5
$
106884
Switzerland
Philip Morris International Inc.
United States of America
Altria Group Inc (Shareholders)
United States of America
Altria Group, Inc.
2008
Equity (USD 106884.0000)
6
$
105236
United States of America
Warner Media, LLC.
United States of America
AT&T Inc.
2018
Cash (USD 41536.3620), Equity (USD 41536.3620)
7
$
96153
United States of America
Warner Media, LLC.
United States of America
Discovery, Inc.
United States of America
AT&T Inc.
Equity (USD 53153.1630)
8
$
95637
Netherlands
ABN AMRO (pre 2009)
United Kingdom
RFS Holdings B.V.
2007
Cash (USD 88679.1299), Equity (USD 6957.4794)
9
$
91654
Netherlands
ABN AMRO (pre 2009)
United Kingdom
Barclays Plc
Cash (USD 33720.2362), Equity (USD 57933.8729)
10
$
91190
Italy
Telecom Italia S.p.A.
Germany
Deutsche Telekom AG
Equity (USD 91189.8280)
11
$
89964
France
Suez SA (Ceased)
France
ENGIE SA
2008
Equity (USD 72391.4532)
12
$
89437
United States of America
BellSouth Corporation
United States of America
AT&T Inc.
2006
Equity (USD 67176.0000)
13
$
88905
United States of America
Raytheon Company
United States of America
Raytheon Technologies Corporation
2020
Equity (USD 85942.1393)
14
$
87761
United States of America
Celgene Corporation
United States of America
Bristol-Myers Squibb Company
2019
Cash (USD 35011.9379), Equity (USD 36713.5180)
15
$
86270
Ireland
Allergan plc
United States of America
AbbVie Inc.
2020
Cash (USD 40602.5462), Equity (USD 22929.7058)
16
$
84096
United States of America
Twenty-First Century Fox, Inc.
United States of America
The Walt Disney Company
2019
Cash (USD 35198.0000), Equity (USD 35198.0000)
17
$
81154
United Kingdom
BG Group Plc
United Kingdom
Royal Dutch Shell Plc
2016
Cash (USD 19455.1141), Equity (USD 49966.9038)
18
$
78198
Ireland
Shire Plc
Japan
Takeda Pharmaceutical Company Limited
2019
Cash (USD 28448.6139), Equity (USD 32161.0677)
19
$
78164
United Kingdom
Smithkline Beecham plc
United Kingdom
GlaxoSmithKline Plc
2000
Equity (USD 76918.7925)
20
$
77829
United States of America
Time Warner Cable Inc.
United States of America
Charter Communications, Inc.
2016
Cash (USD 28275.2200), Equity (USD 26815.0800)
21
$
76971
United States of America
The Dow Chemical Company
United States of America
E. I. du Pont de Nemours and Company
2017
Equity (USD 64856.4460)
22
$
73041
Spain
Endesa, S.A.
Germany
E.ON SE
Cash (USD 50434.6150)
23
$
71843
France
Aventis SA
France
Sanofi-Synthelabo SA
2004
Cash (USD 19980.0314), Equity (USD 46578.4483)
24
$
68492
United States of America
Time Warner Cable Inc.
United States of America
Comcast Corporation
Cash (USD 43965.4000)
25
$
67823
United States of America
Aetna Inc.
United States of America
CVS Health Corporation
2018
Cash (USD 47294.9900), Equity (USD 20527.8200)
26
$
67601
United States of America
Express Scripts Holding Company
United States of America
Cigna Corporation
2018
Cash (USD 27360.2960), Equity (USD 26535.5310)
27
$
66404
Italy
Telecom Italia S.p.A.
Italy
Olivetti SpA
1999
Cash (USD 39957.0293), Equity (USD 9701.1072), Loan notes (USD 16745.3593)
28
$
66000
United States of America
The Walt Disney Company
United States of America
Comcast Corporation
Equity (USD 54100.0000)
29
$
65495
United States of America
DIRECTV
United States of America
AT&T Inc.
2015
Cash (USD 14313.0000), Equity (USD 33398.0000)
30
$
65016
United States of America
Wyeth
United States of America
Pfizer Inc.
2009
Cash (USD 44691.8000), Equity (USD 23278.0000)
31
$
63403
United States of America
Monsanto Company
Germany
Bayer AG
2018
Cash (USD 56039.4470)
32
$
63263
United States of America
EMC Corporation
United States of America
Dell Inc
2016
Cash (USD 46650.5124), Other (USD 16934.1360)
33
$
63199
United States of America
Allergan, Inc.
Ireland
Allergan plc
2015
Cash (USD 38494.6400), Equity (USD 26745.4600)
34
$
60935
United States of America
Pharmacia Corporation
United States of America
Pfizer Inc.
2003
Equity (USD 60000.0000)
35
$
60813
United States of America
VMware, Inc. (80.65% Stake)
United States of America
Dell Technologies Inc (Shareholders)
United States of America
Dell Technologies Inc
2021
36
$
60806
United States of America
Sprint Corporation
United States of America
T-Mobile USA, Inc.
Japan
SoftBank Group Corp.
2020
Equity (USD 26524.3440)
37
$
60567
United States of America
Reynolds American Inc (57.83% Stake)
United Kingdom
British American Tobacco Plc
2017
Cash (USD 24275.2300), Equity (USD 25177.6600)
38
$
60380
United Kingdom
NatWest
United Kingdom
Bank of Scotland plc
Equity (USD 31554.1089), Loan notes (USD 5192.4483), Other (USD 3195.3528)
39
$
59612
United States of America
Energy Transfer Partners, L.P. (97.64% Stake)
United States of America
Energy Transfer LP
2018
Equity (USD 26545.4302)
40
$
59019
United States of America
AirTouch
United Kingdom
Vodafone Group Plc
1999
ADRs (USD 49901.1251), Cash (USD 5116.6470)
41
$
58761
United States of America
Kinder Morgan Energy Partners, L.P. (88.6% Stake)
United States of America
Kinder Morgan, Inc.
2014
Cash (USD 4405.7300), Equity (USD 32404.6900)
42
$
58718
France
Elf Aquitaine SA
France
TotalEnergies S.A. (Formerly Total S.A.)
2000
Cash (USD 0.0000), Equity (USD 53512.1991)
43
$
58563
United States of America
Anheuser-Busch Companies, LLC
Belgium
Anheuser-Busch InBev NV
2008
Cash (USD 50332.9600)
44
$
58000
United Kingdom
Rio Tinto Plc (Western Australian iron ore assets)BHP Billiton (Western Australian iron ore assets)
United Kingdom
Rio Tinto/BHP Billiton (Joint Venture)
United Kingdom
BHP Group Plc; Rio Tinto Plc
Cash (USD 5800.0000), Other (USD 52200.0000)
45
$
57874
United States of America
Bank One Corporation
United States of America
JPMorgan Chase & Co.
2004
Equity (USD 57874.0000)
46
$
55888
United States of America
Williams Companies, Inc.
United States of America
Energy Transfer LP
Cash (USD 6072.8900), Equity (USD 26613.3500)
47
$
55692
United States of America
The Gillette Company
United States of America
Procter & Gamble Company
2005
Equity (USD 53550.0000)
48
$
54656
Spain
Endesa, S.A. (46.05% Stake)
Italy
Acciona S.A.; Enel Iberoamerica S.R.L.
2007
Cash (USD 27047.2777)
49
$
54518
United States of America
Kraft Foods Group, Inc.
United States of America
The Kraft Heinz Company
2015
Cash (USD 9706.3830), Equity (USD 36072.4500)
50
$
54437
Ireland
Shire Plc
United States of America
AbbVie Inc.
Cash (USD 24584.3404), Equity (USD 28209.1506)
51
$
54388
United States of America
Anadarko Petroleum Corporation
United States of America
Occidental Petroleum Corporation
2019
Cash (USD 29621.1048), Equity (USD 8869.0678)
52
$
54376
United States of America
AbbVie Inc.
United States of America
Abbott Laboratories (Shareholders)
United States of America
Abbott Laboratories
2013
Equity (USD 54375.9700)
53
$
53777
United Kingdom
NatWest
United Kingdom
Royal Bank of Scotland Group Plc
2000
Cash (USD 14497.4340), Equity (USD 29060.6160)
54
$
52292
Spain
Endesa, S.A.
Spain
Naturgy Energy Group
Cash (USD 9745.1337), Equity (USD 18742.6414)
55
$
51928
Netherlands
NXP Semiconductors N.V.
United States of America
Qualcomm Incorporated
Cash (USD 44115.0000)
56
$
51700
France
TotalEnergies S.A.
France
Elf Aquitaine SA
57
$
51494
United Kingdom
Sky Plc
United States of America
Comcast Corporation
2018
Cash (USD 41452.4051)
58
$
51423
United States of America
Energy Transfer Partners L.P.
United States of America
Energy Transfer Partners, L.P.
2017
Equity (USD 21318.7250)
59
$
50955
United States of America
Mondelez International, Inc.
United States of America
Altria Group Inc (Shareholders)
United States of America
Altria Group, Inc.
2007
Equity (USD 50955.0400)
60
$
50602
Germany
Dresdner Bank AG
Germany
Deutsche Bank AG
Cash (USD 50601.6000)
61
$
50508
United States of America
PayPal Holdings, Inc.
United States of America
eBay Inc. (Shareholders)
United States of America
eBay Inc.
2015
Equity (USD 50507.7370)
62
$
50418
United States of America
Cigna Corporation
United States of America
Anthem Inc.
Cash (USD 26611.7500), Equity (USD 20578.8200)
63
$
50355
United States of America
AT&T Broadband
United States of America
Comcast Corporation
United States of America
AT&T Corp.
2002
Equity (USD 25495.0000)
64
$
48537
United Kingdom
Xstrata Plc (65.92% Stake)
Switzerland
Glencore Plc
2013
Equity (USD 37175.9752)
65
$
48207
United States of America
Motors Liquidation Co. (bulk of assets)
United States of America
Vehicle Acquisition Holdings LLC
United States of America
Motors Liquidation Company
2009
Other (USD 48207.0000)
66
$
48059
Canada
BCE Inc.
Canada
BCE Consortium
Cash (USD 32159.0000)
67
$
48001
United States of America
American International Group Inc. (60.8% Stake)
United States of America
US Department of the Treasury
2011
Other (USD 48000.9000)
68
$
47850
United States of America
FleetBoston Financial Corporation~
United States of America
Bank of America Corporation
2004
Equity (USD 47850.0000)
69
$
47747
United States of America
Anadarko Petroleum Corporation
United States of America
Chevron Corporation
Cash (USD 8156.8138), Equity (USD 24468.1984)
70
$
47023
United States of America
AT&T Wireless Services Inc
United States of America
AT&T Mobility LLC
2004
Cash (USD 40865.0000)
71
$
46271
France
Orange S.A.
United Kingdom
Orange S.A.
United Kingdom
Vodafone Group Plc
2000
Cash (USD 20597.8800), Equity (USD 16866.3800)
72
$
46139
South Africa
Naspers Limited (45.4% Stake)
Netherlands
Prosus N.V.
2021
Equity (USD 46138.9802)
73
$
45894
Ireland
Covidien Plc
United States of America
Medtronic plc
2015
Cash (USD 15874.3300), Equity (USD 26177.1600)
74
$
45860
Switzerland
Syngenta International AG
China
China National Chemical Corporation
2017
Cash (USD 43299.1309)
75
$
45517
Germany
Linde plc
United States of America
Praxair, Inc.
2018
Equity (USD 37911.6081)
76
$
44392
United States of America
Allergan, Inc. (90.29% Stake)
Canada
Bausch Health Companies Inc.
Cash (USD 19344.8100), Equity (USD 26508.3300)
77
$
44340
United States of America
Merrill Lynch
United States of America
Bank of America Corporation
2009
Equity (USD 44340.4000)
78
$
44334
United States of America
MSP Recovery, LLC
United States of America
Lionheart Acquisition Corporation II
Equity (USD 32500.0000), Other (USD 11833.5000)
79
$
44291
United States of America
Genentech, Inc. (44.2% Stake)
Switzerland
Roche Holding AG
2009
Cash (USD 44291.3060)
80
$
44161
United States of America
Energy Future Holdings Corporation
United States of America
TXU Acquisition Consortium
2007
Cash (USD 31804.4000)
81
$
44006
United Kingdom
Amoco
United Kingdom
BP Plc
1999
Equity (USD 44005.7534)
82
$
43724
Canada
Rio Tinto Alcan, Inc.
United Kingdom
Rio Tinto Plc
2007
Cash (USD 38130.4000)
83
$
43236
United Kingdom
IHS Markit Ltd.
United States of America
S&P Global Inc.
Equity (USD 38434.4000)
84
$
43198
United States of America
Schering Plough Corporation
United States of America
Merck & Co., Inc.
2009
Cash (USD 17077.3290), Equity (USD 21322.2651)
85
$
42584
United States of America
Worldpay, Inc.
United States of America
Fidelity National Information Services, Inc.
2019
Cash (USD 3421.7087), Equity (USD 31453.8568)
86
$
41912
United Kingdom
Royal Bank of Scotland Group Plc (14.1% Stake)
United Kingdom
HM Treasury
2009
Cash (USD 41911.8000)
87
$
41908
Canada
Nutrien Ltd
United Kingdom
BHP Group Plc
Cash (USD 38557.5000)
88
$
41446
United States of America
Spectra Energy Corp
Canada
Enbridge Inc
2017
Equity (USD 28034.4400)
89
$
41272
United States of America
Dow Inc.
United States of America
DuPont de Nemours, Inc. (Shareholders)
United States of America
DuPont de Nemours, Inc.
2019
90
$
40762
United States of America
Nextel Communications Inc. ~
United States of America
Sprint Corporation
United States of America
Volition Capital LLC
2005
Cash (USD 2800.0000), Equity (USD 30527.0000)
91
$
40634
United States of America
XTO Energy Inc.
United States of America
Exxon Mobil Corporation
2010
Equity (USD 30155.8000)
92
$
40092
Italy
Telecom Italia S.p.A. (100% Stake)
United States of America
KKR & Co. Inc.
Cash (USD 12167.0271)
93
$
39749
United States of America
Chrysler Corp
Germany
Daimler Benz
1999
Equity (USD 39748.7964)
94
$
39633
Ireland
Actavis Generics
Israel
Teva Pharmaceutical Industries Ltd
Ireland
Allergan plc
2016
Cash (USD 33430.0000), Equity (USD 6203.0000)
95
$
39622
Spain
Abertis Infraestructuras, S.A.
Spain
Consortium formed by ACS S.A., Atlantia SpA and Hochtief AG
2018
Cash (USD 20656.0032)
96
$
39025
Germany
innogy SE (76.8% Stake)
Germany
E.ON SE
Germany
RWE AG
2019
Cash (USD 19758.4977), Other (USD 19758.9683)
97
$
39000
United States of America
T-Mobile USA, Inc.
United States of America
AT&T Inc.
Germany
Deutsche Telekom AG
Cash (USD 25000.0000), Equity (USD 14000.0000)
98
$
38983
France
Lafarge S.A.
Switzerland
LafargeHolcim Ltd
2015
Equity (USD 25312.5590)
99
$
38862
United States of America
Pinterest, Inc. (100% Stake)
United States of America
PayPal Holdings, Inc.
Cash (USD 38862.3940)
100
$
38663
United States of America
Alexion Pharmaceuticals, Inc.
United Kingdom
AstraZeneca Plc
2021
ADRs (USD 25215.3670), Cash (USD 13123.2340)