AIM
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Aigen Investment Management’s Arch Capital ACGL Stock Holding History

Aigen 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
Q1 		– Sell
-10,553
Closed -$1.01M – 500
2025
Q4 		$1.01M Sell
10,553
-5,874
-36% -$537K 0.23% 121
2025
Q3 		$1.49M Buy
16,427
+13,189
+407% +$1.18M 0.23% 113
2025
Q2 		$295K Sell
3,238
-445
-12% -$41.1K 0.04% 537
2025
Q1 		$354K Sell
3,683
-3,481
-49% -$321K 0.06% 447
2024
Q4 		$662K Buy
+7,164
New +$723K 0.12% 258
2024
Q1 		– Sell
-10,935
Closed -$812K – 644
2023
Q4 		$812K Buy
+10,935
New +$894K 0.14% 203
2023
Q3 		– Sell
-8,314
Closed -$622K – 789
2023
Q2 		$622K Buy
+8,314
New +$601K 0.09% 294
2022
Q3 		– Sell
-12,223
Closed -$556K – 564
2022
Q2 		$556K Buy
+12,223
New +$567K 0.09% 284
2021
Q2 		– Sell
-34,596
Closed -$1.33M – 436
2021
Q1 		$1.33M Buy
34,596
+27,789
+408% +$989K 0.18% 138
2020
Q4 		$246K Sell
6,807
-27,795
-80% -$912K 0.03% 608
2020
Q3 		$1.01M Buy
34,602
+12,020
+53% +$366K 0.13% 247
2020
Q2 		$647K Sell
22,582
-12,335
-35% -$341K 0.08% 383
2020
Q1 		$994K Buy
+34,917
New +$1.42M 0.13% 213

Other funds holding ACGL

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 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
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Aigen Investment Management's ACGL Position: Q1 2026 in Review

Aigen Investment Management sold out of Arch Capital (ACGL) in Q1 2026, closing a stake of 10,553 shares — an estimated $1.01M sold.

Aigen Investment Management first reported a position in ACGL in Q1 2020 and held it in 13 quarters. The position peaked at $1.49M in Q3 2025. 917 funds tracked by Wall St. Rank hold ACGL as of Q1 2026.

  • Aigen Investment Management reported no remaining Arch Capital position as of Q1 2026 after selling out during the quarter.
  • Aigen Investment Management sold 10,553 Arch Capital shares in Q1 2026, an estimated $1.01M.
  • Aigen Investment Management first reported a position in Arch Capital in Q1 2020 and held it in 13 quarters.
  • Aigen Investment Management's Arch Capital position peaked at $1.49M in Q3 2025.
  • 917 funds tracked by Wall St. Rank held Arch Capital as of Q1 2026.

Based on Aigen Investment Management's 13F filing for Q1 2026, filed 15 May 2026.