Group One Trading
MKTX icon

Group One Trading’s MarketAxess Holdings MKTX Stock Holding History

Group One Trading’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
2026
Q3 		– Sell
-232
Closed -$26.3K – 8043
2026
Q2 		$26.3K Buy
+232
New +$33.1K ﹤0.01% 5830
2026
Q1 		– Sell
-298
Closed -$52.2K – 8307
2025
Q4 		$54K Sell
298
-249
-46% -$42.5K ﹤0.01% 5544
2025
Q3 		$95.3K Buy
+547
New +$107K ﹤0.01% 5391
2025
Q2 		– Sell
-2,202
Closed -$484K – 8373
2025
Q1 		$476K Buy
2,202
+1,973
+862% +$414K ﹤0.01% 3144
2024
Q4 		$51.8K Buy
+229
New +$60.3K ﹤0.01% 5030
2022
Q3 		– Sell
-1,386
Closed -$355K – 7952
2022
Q2 		$355K Sell
1,386
-1,536
-53% -$420K ﹤0.01% 3741
2022
Q1 		$994K Buy
2,922
+2,380
+439% +$863K ﹤0.01% 3088
2021
Q4 		$223K Buy
542
+242
+81% +$95.5K ﹤0.01% 4969
2021
Q3 		$126K Buy
+300
New +$138K ﹤0.01% 5676
2014
Q1 		– Sell
-780
Closed -$48.2K – 5421
2013
Q4 		$52K Sell
780
-2,311
-75% -$152K ﹤0.01% 3583
2013
Q3 		$186K Buy
3,091
+3,050
+7,439% +$163K ﹤0.01% 2445
2013
Q2 		$2K Buy
+41
New +$1.76K ﹤0.01% 4894

Other funds holding MKTX

Primecap Management
Primecap Management Pasadena, California $161B AUM 86.05% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Bank of Montreal
Bank of Montreal Toronto, Ontario, Canada $313B AUM 26.62% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Bank of Nova Scotia
Bank of Nova Scotia Toronto, Ontario, Canada $61B AUM 31.38% 1-Year Est. Return
GuardCap Asset Management
GuardCap Asset Management London, United Kingdom $1.47B AUM 10.92% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Magnetar Financial
Magnetar Financial Evanston, Illinois $10.2B AUM 0.67% 1-Year Est. Return

Group One Trading's MKTX Position: Q3 2026 in Review

Group One Trading sold out of MarketAxess Holdings (MKTX) in Q3 2026, closing a stake of 232 shares — an estimated $26.3K sold.

Group One Trading first reported a position in MKTX in Q2 2013 and held it in 12 quarters. The position peaked at $994K in Q1 2022. 299 funds tracked by Wall St. Rank hold MKTX as of Q3 2026.

  • Group One Trading reported no remaining MarketAxess Holdings position as of Q3 2026 after selling out during the quarter.
  • Group One Trading sold 232 MarketAxess Holdings shares in Q3 2026, an estimated $26.3K.
  • Group One Trading first reported a position in MarketAxess Holdings in Q2 2013 and held it in 12 quarters.
  • Group One Trading's MarketAxess Holdings position peaked at $994K in Q1 2022.
  • 299 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q3 2026.

Based on Group One Trading's 13F filing for Q3 2026, filed 10 Nov 2026.