MARSH & MCLENNAN COS INC

Ticker: MRSH CUSIP: 571748102 Class: COM

ADAGE CAPITAL PARTNERS GP, L.L.C.'s Holding History (CIK: 0001165408)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025

Shares 165,061 Value ($000) $33,265 Avg Close $204.01 Range $193.16 - $217.79

Q2 2025

Shares 104,261 Value ($000) $22,796 Avg Close $223.19 Range $207.03 - $245.83

Q1 2025

Shares 357,861 Value ($000) $87,329 Avg Close $223.35 Range $202.92 - $243.01

Q4 2024

Shares 369,161 Value ($000) $78,413 Avg Close $217.77 Range $205.01 - $231.80

Q3 2024

Shares 908,561 Value ($000) $202,691 Avg Close $216.92 Range $203.69 - $227.83

Q2 2024

Shares 317,661 Value ($000) $66,938 Avg Close $200.17 Range $190.69 - $211.90

Q1 2024

Shares 382,561 Value ($000) $78,800 Avg Close $193.37 Range $182.28 - $203.67

Q4 2023

Shares 653,961 Value ($000) $123,906 Avg Close $186.95 Range $177.61 - $196.74

Q3 2023

Shares 791,161 Value ($000) $150,558 Avg Close $184.60 Range $176.10 - $192.52

Q2 2023

Shares 492,861 Value ($000) $92,697 Avg Close $170.44 Range $158.35 - $182.02

Q1 2023

Shares 495,661 Value ($000) $82,552 Avg Close $159.32 Range $144.98 - $169.70

Q4 2022

Shares 634,461 Value ($000) $104,991 Avg Close $155.95 Range $140.95 - $169.03

Q3 2022

Shares 903,461 Value ($000) $134,878 Avg Close $152.34 Range $138.65 - $166.00

Q2 2022

Shares 407,761 Value ($000) $63,305 Avg Close $151.71 Range $135.36 - $173.83

Q1 2022

Shares 852,261 Value ($000) $145,242 Avg Close $148.65 Range $134.43 - $164.01

Q4 2021

Shares 498,061 Value ($000) $86,573 Avg Close $156.21 Range $141.53 - $165.13

Q3 2021

Shares 496,661 Value ($000) $75,209 Avg Close $141.63 Range $128.41 - $152.48

Q2 2021

Shares 529,461 Value ($000) $74,485 Avg Close $125.21 Range $112.59 - $132.40

Q1 2021

Shares 412,761 Value ($000) $50,274 Avg Close $107.02 Range $98.83 - $113.89

Q4 2020

Shares 288,361 Value ($000) $33,738 Avg Close $105.23 Range $94.36 - $110.82

Q3 2020

Shares 506,979 Value ($000) $58,150 Avg Close $105.63 Range $97.93 - $111.90

Q2 2020

Shares 495,379 Value ($000) $53,189 Avg Close $93.00 Range $71.99 - $103.18

Q1 2020

Shares 485,679 Value ($000) $41,992 Avg Close $97.35 Range $67.78 - $109.87

Q4 2019

Shares 451,079 Value ($000) $50,255 Avg Close $95.06 Range $86.01 - $104.01

Q3 2019

Shares 518,979 Value ($000) $51,924 Avg Close $90.54 Range $85.70 - $93.91

Q2 2019

Shares 616,604 Value ($000) $61,506 Avg Close $86.29 Range $82.49 - $90.62

Q1 2019

Shares 848,704 Value ($000) $79,693 Avg Close $79.33 Range $69.39 - $85.50

Q4 2018

Shares 623,804 Value ($000) $49,748 Avg Close $74.46 Range $66.23 - $80.27

Q3 2018

Shares 656,404 Value ($000) $54,298 Avg Close $75.30 Range $71.83 - $78.35

Q2 2018

Shares 673,904 Value ($000) $55,240 Avg Close $72.21 Range $69.38 - $74.98

Q1 2018

Shares 684,004 Value ($000) $56,492 Avg Close $72.87 Range $69.13 - $75.89

Q4 2017

Shares 721,004 Value ($000) $58,683 Avg Close $72.87 Range $70.08 - $76.08

Q3 2017

Shares 734,904 Value ($000) $61,592 Avg Close $69.18 Range $66.77 - $73.79

Q2 2017

Shares 742,504 Value ($000) $57,886 Avg Close $65.59 Range $62.21 - $70.09

Q1 2017

Shares 744,704 Value ($000) $55,026 Avg Close $61.73 Range $57.29 - $65.47

Q4 2016

Shares 738,504 Value ($000) $49,915 Avg Close $57.67 Range $53.49 - $60.18

Q3 2016

Shares 756,904 Value ($000) $50,902 Avg Close $57.32 Range $55.91 - $58.65

Q2 2016

Shares 776,804 Value ($000) $53,180 Avg Close $54.66 Range $50.84 - $58.55

Q1 2016

Shares 777,704 Value ($000) $47,277 Avg Close $47.39 Range $42.68 - $51.78

Q4 2015

Shares 793,704 Value ($000) $44,011 Avg Close $46.40 Range $42.63 - $48.51

Q3 2015

Shares 794,704 Value ($000) $41,499 Avg Close $46.73 Range $42.51 - $49.38

Q2 2015

Shares 829,604 Value ($000) $47,039 Avg Close $48.09 Range $46.11 - $50.08

Q1 2015

Shares 828,604 Value ($000) $46,476 Avg Close $46.67 Range $44.22 - $48.27

Q4 2014

Shares 815,304 Value ($000) $46,668 Avg Close $45.21 Range $40.02 - $48.56

Q3 2014

Shares 832,004 Value ($000) $43,547 Avg Close $42.74 Range $40.97 - $44.10

Q2 2014

Shares 837,372 Value ($000) $43,393 Avg Close $40.50 Range $38.06 - $42.84

Q1 2014

Shares 846,672 Value ($000) $41,741 Avg Close $38.81 Range $35.81 - $41.06

Q4 2013

Shares 844,072 Value ($000) $40,819 Avg Close $37.39 Range $33.79 - $39.29

Q3 2013

Shares 821,772 Value ($000) $35,788 Avg Close $33.72 Range $31.78 - $35.90

Q2 2013

Shares 1,142,725 Value ($000) $45,618 Avg Close $31.19 Range $29.36 - $33.32

Q1 2013

Shares 1,081,425 Value ($000) $41,062 Avg Close $28.64 Range $27.20 - $30.19

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	165,061	$33,265	$204.01	$193.16 - $217.79
Q2 2025	104,261	$22,796	$223.19	$207.03 - $245.83
Q1 2025	357,861	$87,329	$223.35	$202.92 - $243.01
Q4 2024	369,161	$78,413	$217.77	$205.01 - $231.80
Q3 2024	908,561	$202,691	$216.92	$203.69 - $227.83
Q2 2024	317,661	$66,938	$200.17	$190.69 - $211.90
Q1 2024	382,561	$78,800	$193.37	$182.28 - $203.67
Q4 2023	653,961	$123,906	$186.95	$177.61 - $196.74
Q3 2023	791,161	$150,558	$184.60	$176.10 - $192.52
Q2 2023	492,861	$92,697	$170.44	$158.35 - $182.02
Q1 2023	495,661	$82,552	$159.32	$144.98 - $169.70
Q4 2022	634,461	$104,991	$155.95	$140.95 - $169.03
Q3 2022	903,461	$134,878	$152.34	$138.65 - $166.00
Q2 2022	407,761	$63,305	$151.71	$135.36 - $173.83
Q1 2022	852,261	$145,242	$148.65	$134.43 - $164.01
Q4 2021	498,061	$86,573	$156.21	$141.53 - $165.13
Q3 2021	496,661	$75,209	$141.63	$128.41 - $152.48
Q2 2021	529,461	$74,485	$125.21	$112.59 - $132.40
Q1 2021	412,761	$50,274	$107.02	$98.83 - $113.89
Q4 2020	288,361	$33,738	$105.23	$94.36 - $110.82
Q3 2020	506,979	$58,150	$105.63	$97.93 - $111.90
Q2 2020	495,379	$53,189	$93.00	$71.99 - $103.18
Q1 2020	485,679	$41,992	$97.35	$67.78 - $109.87
Q4 2019	451,079	$50,255	$95.06	$86.01 - $104.01
Q3 2019	518,979	$51,924	$90.54	$85.70 - $93.91
Q2 2019	616,604	$61,506	$86.29	$82.49 - $90.62
Q1 2019	848,704	$79,693	$79.33	$69.39 - $85.50
Q4 2018	623,804	$49,748	$74.46	$66.23 - $80.27
Q3 2018	656,404	$54,298	$75.30	$71.83 - $78.35
Q2 2018	673,904	$55,240	$72.21	$69.38 - $74.98
Q1 2018	684,004	$56,492	$72.87	$69.13 - $75.89
Q4 2017	721,004	$58,683	$72.87	$70.08 - $76.08
Q3 2017	734,904	$61,592	$69.18	$66.77 - $73.79
Q2 2017	742,504	$57,886	$65.59	$62.21 - $70.09
Q1 2017	744,704	$55,026	$61.73	$57.29 - $65.47
Q4 2016	738,504	$49,915	$57.67	$53.49 - $60.18
Q3 2016	756,904	$50,902	$57.32	$55.91 - $58.65
Q2 2016	776,804	$53,180	$54.66	$50.84 - $58.55
Q1 2016	777,704	$47,277	$47.39	$42.68 - $51.78
Q4 2015	793,704	$44,011	$46.40	$42.63 - $48.51
Q3 2015	794,704	$41,499	$46.73	$42.51 - $49.38
Q2 2015	829,604	$47,039	$48.09	$46.11 - $50.08
Q1 2015	828,604	$46,476	$46.67	$44.22 - $48.27
Q4 2014	815,304	$46,668	$45.21	$40.02 - $48.56
Q3 2014	832,004	$43,547	$42.74	$40.97 - $44.10
Q2 2014	837,372	$43,393	$40.50	$38.06 - $42.84
Q1 2014	846,672	$41,741	$38.81	$35.81 - $41.06
Q4 2013	844,072	$40,819	$37.39	$33.79 - $39.29
Q3 2013	821,772	$35,788	$33.72	$31.78 - $35.90
Q2 2013	1,142,725	$45,618	$31.19	$29.36 - $33.32
Q1 2013	1,081,425	$41,062	$28.64	$27.20 - $30.19