QIM
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Quantitative Investment Management’s Arch Capital ACGL Stock Holding History

Quantitative Investment Management’s Portfolio ACGL Stock Details ACGL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$785K Buy
+8,096
New +$764K 0.09% 250
2026
Q1 		– Sell
-8,828
Closed -$846K – 365
2025
Q4 		$846K Buy
+8,828
New +$808K 0.08% 234
2025
Q1 		– Sell
-7,365
Closed -$680K – 321
2024
Q4 		$680K Buy
+7,365
New +$743K 0.05% 225
2024
Q1 		– Sell
-7,226
Closed -$536K – 231
2023
Q4 		$536K Buy
+7,226
New +$591K 0.03% 280
2021
Q3 		– Sell
-18,667
Closed -$726K – 372
2021
Q2 		$726K Buy
+18,667
New +$739K 0.07% 247
2020
Q4 		– Sell
-7,031
Closed -$205K – 443
2020
Q3 		$205K Sell
7,031
-34,142
-83% -$1.04M 0.02% 350
2020
Q2 		$1.18M Buy
41,173
+26,792
+186% +$741K 0.12% 180
2020
Q1 		$409K Buy
+14,381
New +$583K 0.04% 357
2019
Q2 		– Sell
-56,824
Closed -$1.84M – 600
2019
Q1 		$1.84M Buy
56,824
+36,824
+184% +$1.12M 0.11% 254
2018
Q4 		$534K Sell
20,000
-18,400
-48% -$509K 0.03% 372
2018
Q3 		$1.14M Buy
+38,400
New +$1.14M 0.04% 281
2016
Q1 		– Sell
-100,200
Closed -$2.33M – 743
2015
Q4 		$2.33M Buy
+100,200
New +$2.46M 0.14% 183
2015
Q3 		– Sell
-17,700
Closed -$395K – 668
2015
Q2 		$395K Sell
17,700
-300
-2% -$6.37K 0.06% 274
2015
Q1 		$369K Buy
+18,000
New +$360K 0.04% 428
2014
Q2 		– Sell
-14,700
Closed -$281K – 447
2014
Q1 		$281K Buy
+14,700
New +$273K 0.01% 437

Other funds holding ACGL

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
WCM Investment Management
WCM Investment Management Laguna Beach, California $55.2B AUM 57.07% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Quantitative Investment Management's ACGL Position: Q2 2026 in Review

Quantitative Investment Management opened a new position in Arch Capital (ACGL) in Q2 2026: 8,096 shares worth $785K. The stake represents 0.09% of the portfolio and ranks #250 among its holdings. This is a return to the name: Quantitative Investment Management previously reported a position in ACGL as recently as Q4 2025.

Quantitative Investment Management first reported a position in ACGL in Q1 2014 and has held it in 15 quarters since. The position peaked at $2.33M in Q4 2015. 906 funds tracked by Wall St. Rank hold ACGL as of Q2 2026.

  • Quantitative Investment Management held 8,096 shares of Arch Capital worth $785K as of Q2 2026.
  • Arch Capital was a new Quantitative Investment Management position in Q2 2026.
  • Arch Capital made up 0.09% of Quantitative Investment Management's portfolio in Q2 2026, its #250 holding.
  • Quantitative Investment Management first reported a position in Arch Capital in Q1 2014 and has held it in 15 quarters since.
  • Quantitative Investment Management's Arch Capital position peaked at $2.33M in Q4 2015.
  • 906 funds tracked by Wall St. Rank held Arch Capital as of Q2 2026.

Based on Quantitative Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.