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Knollwood Investment Advisory’s MarketAxess Holdings MKTX Stock Holding History

Knollwood Investment Advisory’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
Q1 		$319K Hold
1,934
– – 0.03% 257
2025
Q4 		$351K Hold
1,934
– – 0.03% 259
2025
Q3 		$337K Sell
1,934
-45
-2% -$8.8K 0.03% 299
2025
Q2 		$442K Hold
1,979
– – 0.04% 263
2025
Q1 		$428K Hold
1,979
– – 0.05% 267
2024
Q4 		$447K Hold
1,979
– – 0.05% 265
2024
Q3 		$507K Hold
1,979
– – 0.05% 260
2024
Q2 		$397K Buy
+1,979
New +$408K 0.04% 284
2024
Q1 		– Sell
-736
Closed -$216K – 208
2023
Q4 		$216K Buy
+736
New +$178K 0.04% 202

Other funds holding MKTX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
NRCM
North Reef Capital Management Laguna Beach, California $2.91B AUM 11.03% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Knollwood Investment Advisory's MKTX Position: Q1 2026 in Review

Knollwood Investment Advisory held its MarketAxess Holdings (MKTX) position steady in Q1 2026 at 1,934 shares worth $319K. The position accounts for 0.03% of the portfolio, ranked #257.

Knollwood Investment Advisory first reported a position in MKTX in Q4 2023 and has held it in 9 quarters since. The position peaked at $507K in Q3 2024. 450 funds tracked by Wall St. Rank hold MKTX as of Q1 2026.

  • Knollwood Investment Advisory held 1,934 shares of MarketAxess Holdings worth $319K as of Q1 2026.
  • Knollwood Investment Advisory left its MarketAxess Holdings share count unchanged in Q1 2026.
  • MarketAxess Holdings made up 0.03% of Knollwood Investment Advisory's portfolio in Q1 2026, its #257 holding.
  • Knollwood Investment Advisory first reported a position in MarketAxess Holdings in Q4 2023 and has held it in 9 quarters since.
  • Knollwood Investment Advisory's MarketAxess Holdings position peaked at $507K in Q3 2024.
  • 450 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q1 2026.

Based on Knollwood Investment Advisory's 13F filing for Q1 2026, filed 14 May 2026.