MARSH & MCLENNAN COS INC

Ticker: MRSH CUSIP: 571748102 Class: COM

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q4 2025

Shares 822,371 Value ($000) $152,566 Avg Close $186.43 Range $173.30 - $207.83

Q3 2025

Shares 391,529 Value ($000) $78,905 Avg Close $204.01 Range $193.16 - $217.79

Q2 2025

Shares 140,823 Value ($000) $30,790 Avg Close $223.19 Range $207.03 - $245.83

Q1 2025

Shares 204,175 Value ($000) $49,825 Avg Close $223.35 Range $202.92 - $243.01

Q4 2024

Shares 381,494 Value ($000) $81,033 Avg Close $217.77 Range $205.01 - $231.80

Q3 2024

Shares 330,061 Value ($000) $73,633 Avg Close $216.92 Range $203.69 - $227.83

Q2 2024

Shares 156,587 Value ($000) $32,996 Avg Close $200.17 Range $190.69 - $211.90

Q1 2024

Shares 53,977 Value ($000) $11,118 Avg Close $193.37 Range $182.28 - $203.67

Q4 2023

Shares 124 Value ($000) $23 Avg Close $186.95 Range $177.61 - $196.74

Q3 2023

Shares 116,929 Value ($000) $22,252 Avg Close $184.60 Range $176.10 - $192.52

Q2 2023

Shares 265,925 Value ($000) $50,015 Avg Close $170.44 Range $158.35 - $182.02

Q1 2023

Shares 129,311 Value ($000) $21,537 Avg Close $159.32 Range $144.98 - $169.70

Q4 2022

Shares 260,626 Value ($000) $43,128 Avg Close $155.95 Range $140.95 - $169.03

Q3 2022

Shares 246,077 Value ($000) $36,737 Avg Close $152.34 Range $138.65 - $166.00

Q2 2022

Shares 135,594 Value ($000) $21,051 Avg Close $151.71 Range $135.36 - $173.83

Q1 2022

Shares 208,813 Value ($000) $35,586 Avg Close $148.65 Range $134.43 - $164.01

Q4 2021

Shares 150,081 Value ($000) $26,087 Avg Close $156.21 Range $141.53 - $165.13

Q3 2021

Shares 354,583 Value ($000) $53,694 Avg Close $141.63 Range $128.41 - $152.48

Q2 2021

Shares 508,231 Value ($000) $71,498 Avg Close $125.21 Range $112.59 - $132.40

Q1 2021

Shares 36,788 Value ($000) $4,481 Avg Close $107.02 Range $98.83 - $113.89

Q4 2020

Shares 317,330 Value ($000) $37,127 Avg Close $105.23 Range $94.36 - $110.82

Q3 2020

Shares 76,251 Value ($000) $8,746 Avg Close $105.63 Range $97.93 - $111.90

Q2 2020

Shares 30,216 Value ($000) $3,244 Avg Close $93.00 Range $71.99 - $103.18

Q1 2020

Shares 398,768 Value ($000) $34,478 Avg Close $97.35 Range $67.78 - $109.87

Q4 2019

Shares 120,691 Value ($000) $13,447 Avg Close $95.06 Range $86.01 - $104.01

Q3 2019

Shares 77,648 Value ($000) $7,768 Avg Close $90.54 Range $85.70 - $93.91

Q2 2019

Shares 952,570 Value ($000) $95,019 Avg Close $86.29 Range $82.49 - $90.62

Q1 2019

Shares 2,141,342 Value ($000) $201,072 Avg Close $79.33 Range $69.39 - $85.50

Q4 2018

Shares 1,290,107 Value ($000) $102,886 Avg Close $74.46 Range $66.23 - $80.27

Q3 2018

Shares 5,791 Value ($000) $479 Avg Close $75.30 Range $71.83 - $78.35

Q2 2018

Shares 4,901 Value ($000) $402 Avg Close $72.21 Range $69.38 - $74.98

Q1 2018

Shares 28,609 Value ($000) $2,363 Avg Close $72.87 Range $69.13 - $75.89

Q4 2017

Shares 154,280 Value ($000) $12,557 Avg Close $72.87 Range $70.08 - $76.08

Q3 2017

Shares 719,583 Value ($000) $60,308 Avg Close $69.18 Range $66.77 - $73.79

Q2 2017

Shares 617,721 Value ($000) $48,157 Avg Close $65.59 Range $62.21 - $70.09

Q1 2017

Shares 458,734 Value ($000) $33,896 Avg Close $61.73 Range $57.29 - $65.47

Q4 2016

Shares 394,966 Value ($000) $26,696 Avg Close $57.67 Range $53.49 - $60.18

Q3 2016

Shares 150,666 Value ($000) $10,132 Avg Close $57.32 Range $55.91 - $58.65

Q2 2016

Shares 381,246 Value ($000) $26,100 Avg Close $54.66 Range $50.84 - $58.55

Q1 2016

Shares 602,008 Value ($000) $36,596 Avg Close $47.39 Range $42.68 - $51.78

Q4 2015

Shares 4,267 Value ($000) $237 Avg Close $46.40 Range $42.63 - $48.51

Q3 2015

Shares 21,717 Value ($000) $1,134 Avg Close $46.73 Range $42.51 - $49.38

Q2 2015

Shares 155,953 Value ($000) $8,843 Avg Close $48.09 Range $46.11 - $50.08

Q1 2015

Shares 32,230 Value ($000) $1,808 Avg Close $46.67 Range $44.22 - $48.27

Q4 2014

Shares 166,514 Value ($000) $9,531 Avg Close $45.21 Range $40.02 - $48.56

Q3 2014

Shares 177,670 Value ($000) $9,299 Avg Close $42.74 Range $40.97 - $44.10

Q2 2014

Shares 25,523 Value ($000) $1,323 Avg Close $40.50 Range $38.06 - $42.84

Q1 2014

Shares 325,886 Value ($000) $16,066 Avg Close $38.81 Range $35.81 - $41.06

Q4 2013

Shares 1,582,722 Value ($000) $76,540 Avg Close $37.39 Range $33.79 - $39.29

Q3 2013

Shares 296,645 Value ($000) $12,919 Avg Close $33.72 Range $31.78 - $35.90

Q2 2013

Shares 696,120 Value ($000) $27,790 Avg Close $31.19 Range $29.36 - $33.32

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	822,371	$152,566	$186.43	$173.30 - $207.83
Q3 2025	391,529	$78,905	$204.01	$193.16 - $217.79
Q2 2025	140,823	$30,790	$223.19	$207.03 - $245.83
Q1 2025	204,175	$49,825	$223.35	$202.92 - $243.01
Q4 2024	381,494	$81,033	$217.77	$205.01 - $231.80
Q3 2024	330,061	$73,633	$216.92	$203.69 - $227.83
Q2 2024	156,587	$32,996	$200.17	$190.69 - $211.90
Q1 2024	53,977	$11,118	$193.37	$182.28 - $203.67
Q4 2023	124	$23	$186.95	$177.61 - $196.74
Q3 2023	116,929	$22,252	$184.60	$176.10 - $192.52
Q2 2023	265,925	$50,015	$170.44	$158.35 - $182.02
Q1 2023	129,311	$21,537	$159.32	$144.98 - $169.70
Q4 2022	260,626	$43,128	$155.95	$140.95 - $169.03
Q3 2022	246,077	$36,737	$152.34	$138.65 - $166.00
Q2 2022	135,594	$21,051	$151.71	$135.36 - $173.83
Q1 2022	208,813	$35,586	$148.65	$134.43 - $164.01
Q4 2021	150,081	$26,087	$156.21	$141.53 - $165.13
Q3 2021	354,583	$53,694	$141.63	$128.41 - $152.48
Q2 2021	508,231	$71,498	$125.21	$112.59 - $132.40
Q1 2021	36,788	$4,481	$107.02	$98.83 - $113.89
Q4 2020	317,330	$37,127	$105.23	$94.36 - $110.82
Q3 2020	76,251	$8,746	$105.63	$97.93 - $111.90
Q2 2020	30,216	$3,244	$93.00	$71.99 - $103.18
Q1 2020	398,768	$34,478	$97.35	$67.78 - $109.87
Q4 2019	120,691	$13,447	$95.06	$86.01 - $104.01
Q3 2019	77,648	$7,768	$90.54	$85.70 - $93.91
Q2 2019	952,570	$95,019	$86.29	$82.49 - $90.62
Q1 2019	2,141,342	$201,072	$79.33	$69.39 - $85.50
Q4 2018	1,290,107	$102,886	$74.46	$66.23 - $80.27
Q3 2018	5,791	$479	$75.30	$71.83 - $78.35
Q2 2018	4,901	$402	$72.21	$69.38 - $74.98
Q1 2018	28,609	$2,363	$72.87	$69.13 - $75.89
Q4 2017	154,280	$12,557	$72.87	$70.08 - $76.08
Q3 2017	719,583	$60,308	$69.18	$66.77 - $73.79
Q2 2017	617,721	$48,157	$65.59	$62.21 - $70.09
Q1 2017	458,734	$33,896	$61.73	$57.29 - $65.47
Q4 2016	394,966	$26,696	$57.67	$53.49 - $60.18
Q3 2016	150,666	$10,132	$57.32	$55.91 - $58.65
Q2 2016	381,246	$26,100	$54.66	$50.84 - $58.55
Q1 2016	602,008	$36,596	$47.39	$42.68 - $51.78
Q4 2015	4,267	$237	$46.40	$42.63 - $48.51
Q3 2015	21,717	$1,134	$46.73	$42.51 - $49.38
Q2 2015	155,953	$8,843	$48.09	$46.11 - $50.08
Q1 2015	32,230	$1,808	$46.67	$44.22 - $48.27
Q4 2014	166,514	$9,531	$45.21	$40.02 - $48.56
Q3 2014	177,670	$9,299	$42.74	$40.97 - $44.10
Q2 2014	25,523	$1,323	$40.50	$38.06 - $42.84
Q1 2014	325,886	$16,066	$38.81	$35.81 - $41.06
Q4 2013	1,582,722	$76,540	$37.39	$33.79 - $39.29
Q3 2013	296,645	$12,919	$33.72	$31.78 - $35.90
Q2 2013	696,120	$27,790	$31.19	$29.36 - $33.32