William Blair & Company
MRSH

William Blair & Company’s Marsh MRSH Stock Holding History

William Blair & Company’s Portfolio MRSH Stock Details MRSH Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$7.43M Buy
40,642
+4,913
+14% +$883K 0.02% 414
2025
Q4 		$6.63M Sell
35,729
-10,870
-23% -$2.03M 0.02% 449
2025
Q3 		$9.39M Sell
46,599
-4,742
-9% -$975K 0.03% 375
2025
Q2 		$11.2M Buy
51,341
+6,580
+15% +$1.49M 0.03% 328
2025
Q1 		$10.9M Buy
44,761
+1,998
+5% +$453K 0.03% 318
2024
Q4 		$9.08M Buy
42,763
+1,974
+5% +$438K 0.03% 356
2024
Q3 		$9.1M Buy
40,789
+159
+0.4% +$35.3K 0.03% 358
2024
Q2 		$8.56M Sell
40,630
-282
-0.7% -$57.9K 0.03% 352
2024
Q1 		$8.43M Buy
40,912
+166
+0.4% +$33.1K 0.03% 365
2023
Q4 		$7.72M Sell
40,746
-2,464
-6% -$476K 0.03% 364
2023
Q3 		$8.22M Buy
43,210
+5,835
+16% +$1.12M 0.03% 340
2023
Q2 		$7.03M Sell
37,375
-634
-2% -$113K 0.03% 373
2023
Q1 		$6.33M Buy
38,009
+2,363
+7% +$394K 0.03% 391
2022
Q4 		$5.9M Sell
35,646
-2,201
-6% -$360K 0.03% 395
2022
Q3 		$5.65M Sell
37,847
-785
-2% -$126K 0.03% 383
2022
Q2 		$6M Buy
38,632
+1,106
+3% +$177K 0.03% 386
2022
Q1 		$6.39M Buy
37,526
+695
+2% +$110K 0.02% 407
2021
Q4 		$6.4M Buy
36,831
+1,509
+4% +$251K 0.02% 434
2021
Q3 		$5.35M Buy
35,322
+3,041
+9% +$460K 0.02% 443
2021
Q2 		$4.54M Sell
32,281
-1,858
-5% -$249K 0.02% 475
2021
Q1 		$4.16M Sell
34,139
-4,677
-12% -$539K 0.02% 496
2020
Q4 		$4.54M Buy
38,816
+5,081
+15% +$577K 0.02% 456
2020
Q3 		$3.87M Sell
33,735
-449
-1% -$51.5K 0.02% 450
2020
Q2 		$3.67M Sell
34,184
-9,659
-22% -$978K 0.02% 447
2020
Q1 		$3.79M Buy
43,843
+201
+0.5% +$21.4K 0.02% 392
2019
Q4 		$4.86M Buy
43,642
+19,625
+82% +$2.05M 0.03% 400
2019
Q3 		$2.4M Sell
24,017
-260
-1% -$26K 0.01% 534
2019
Q2 		$2.42M Sell
24,277
-1,835
-7% -$176K 0.01% 528
2019
Q1 		$2.45M Buy
26,112
+2,085
+9% +$184K 0.01% 506
2018
Q4 		$1.92M Buy
24,027
+1,172
+5% +$97.7K 0.01% 530
2018
Q3 		$1.89M Sell
22,855
-104
-0.5% -$8.81K 0.01% 567
2018
Q2 		$1.88M Sell
22,959
-236
-1% -$19.3K 0.01% 568
2018
Q1 		$1.92M Sell
23,195
-7,893
-25% -$654K 0.01% 563
2017
Q4 		$2.53M Buy
31,088
+347
+1% +$28.8K 0.02% 515
2017
Q3 		$2.58M Buy
30,741
+73
+0.2% +$5.79K 0.02% 495
2017
Q2 		$2.39M Buy
30,668
+504
+2% +$38.1K 0.02% 528
2017
Q1 		$2.22M Sell
30,164
-524
-2% -$37.4K 0.02% 522
2016
Q4 		$2.07M Buy
30,688
+3,124
+11% +$209K 0.02% 487
2016
Q3 		$1.85M Buy
27,564
+1,067
+4% +$71.5K 0.02% 507
2016
Q2 		$1.81M Sell
26,497
-10,828
-29% -$695K 0.02% 491
2016
Q1 		$2.27M Buy
37,325
+157
+0.4% +$8.79K 0.02% 424
2015
Q4 		$2.06M Buy
37,168
+218
+0.6% +$12K 0.02% 465
2015
Q3 		$1.93M Sell
36,950
-510
-1% -$28.5K 0.02% 540
2015
Q2 		$2.12M Hold
37,460
– – ﹤0.01% 1329
2015
Q1 		$2.1M Buy
37,460
+3,060
+9% +$173K ﹤0.01% 1302
2014
Q4 		$1.97M Buy
34,400
+207
+0.6% +$11.4K ﹤0.01% 1296
2014
Q3 		$1.79M Sell
34,193
-1,445
-4% -$75.3K ﹤0.01% 1296
2014
Q2 		$1.85M Sell
35,638
-887
-2% -$44.1K ﹤0.01% 1265
2014
Q1 		$1.8M Buy
36,525
+1,347
+4% +$64.5K ﹤0.01% 1235
2013
Q4 		$1.7M Buy
35,178
+470
+1% +$21.8K ﹤0.01% 1224
2013
Q3 		$1.51M Sell
34,708
-4,060
-10% -$171K ﹤0.01% 1221
2013
Q2 		$1.55M Buy
+38,768
New +$1.52M ﹤0.01% 1144

Other funds holding MRSH

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

William Blair & Company's MRSH Position: Q1 2026 in Review

William Blair & Company increased its Marsh (MRSH) stake by 14% in Q1 2026, buying an estimated $883K and bringing the position to 40,642 shares worth $7.43M. The position accounts for 0.02% of the portfolio, ranked #414.

William Blair & Company first reported a position in MRSH in Q2 2013 and has held it in 52 quarters since. The position peaked at $11.2M in Q2 2025. 1,536 funds tracked by Wall St. Rank hold MRSH as of Q1 2026.

  • William Blair & Company held 40,642 shares of Marsh worth $7.43M as of Q1 2026.
  • William Blair & Company bought 4,913 Marsh shares in Q1 2026, an estimated $883K.
  • Marsh made up 0.02% of William Blair & Company's portfolio in Q1 2026, its #414 holding.
  • William Blair & Company first reported a position in Marsh in Q2 2013 and has held it in 52 quarters since.
  • William Blair & Company's Marsh position peaked at $11.2M in Q2 2025.
  • 1,536 funds tracked by Wall St. Rank held Marsh as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.