Alberta Investment Management Corp (AIMCo)’s MarketAxess Holdings MKTX Stock Holding History

Alberta Investment Management Corp (AIMCo)’s Portfolio MKTX Stock Details MKTX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-18,300	Closed	-$4.09M	–	605
2025 Q2	$4.09M	Buy	18,300 +2,000	+12%	+$440K	0.03%	296
2025 Q1	$3.53M	Hold	16,300	–	–	0.02%	353
2024 Q4	$3.68M	Buy	+16,300	New	+$4.29M	0.02%	340
2024 Q2	–	Sell	-5,830	Closed	-$1.28M	–	907
2024 Q1	$1.28M	Hold	5,830	–	–	0.01%	574
2023 Q4	$1.71M	Buy	+5,830	New	+$1.41M	0.02%	483
2023 Q3	–	Sell	-3,696	Closed	-$966K	–	1130
2023 Q2	$966K	Hold	3,696	–	–	0.01%	757
2023 Q1	$1.45M	Sell	3,696 -19,237	-84%	-$6.81M	0.01%	639
2022 Q4	$6.4M	Sell	22,933 -1,202	-5%	-$309K	0.06%	366
2022 Q3	$5.37M	Buy	24,135 +17,067	+241%	+$4.38M	0.04%	447
2022 Q2	$1.81M	Buy	7,068 +68	+1%	+$18.6K	0.01%	744
2022 Q1	$2.38M	Hold	7,000	–	–	0.01%	737
2021 Q4	$2.88M	Hold	7,000	–	–	0.02%	546
2021 Q3	$2.94M	Hold	7,000	–	–	0.03%	553
2021 Q2	$3.25M	Buy	+7,000	New	+$3.33M	0.03%	528

Other funds holding MKTX

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

HSBC Holdings London, United Kingdom $192B AUM 27.2% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

GAM

GuardCap Asset Management London, United Kingdom $1.75B AUM 7.74% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

Alberta Investment Management Corp (AIMCo)'s MKTX Position: Q3 2025 in Review

Alberta Investment Management Corp (AIMCo) sold out of MarketAxess Holdings (MKTX) in Q3 2025, closing a stake of 18,300 shares — an estimated $4.09M sold.

Alberta Investment Management Corp (AIMCo) first reported a position in MKTX in Q2 2021 and held it in 14 quarters. The position peaked at $6.4M in Q4 2022. 450 funds tracked by Wall St. Rank hold MKTX as of Q3 2025.

Alberta Investment Management Corp (AIMCo) reported no remaining MarketAxess Holdings position as of Q3 2025 after selling out during the quarter.
Alberta Investment Management Corp (AIMCo) sold 18,300 MarketAxess Holdings shares in Q3 2025, an estimated $4.09M.
Alberta Investment Management Corp (AIMCo) first reported a position in MarketAxess Holdings in Q2 2021 and held it in 14 quarters.
Alberta Investment Management Corp (AIMCo)'s MarketAxess Holdings position peaked at $6.4M in Q4 2022.
450 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q3 2025.

Based on Alberta Investment Management Corp (AIMCo)'s 13F filing for Q3 2025, filed 7 Nov 2025.