Sentinus LLC’s MarketAxess Holdings MKTX Stock Holding History

Sentinus LLC’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 Q2	–	Sell	-2,290	Closed	-$378K	–	691
2026 Q1	$378K	Buy	2,290 +14	+0.6%	+$2.45K	0.03%	370
2025 Q4	$413K	Buy	+2,276	New	+$388K	0.04%	352

Other funds holding MKTX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Bank of Montreal Toronto, Ontario, Canada $304B AUM 35.64% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

GAM

GuardCap Asset Management London, United Kingdom $1.41B AUM 8.17% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Cooke & Bieler Philadelphia, Pennsylvania $8.65B AUM 9.66% 1-Year Est. Return

Sentinus LLC's MKTX Position: Q2 2026 in Review

Sentinus LLC sold out of MarketAxess Holdings (MKTX) in Q2 2026, closing a stake of 2,290 shares — an estimated $378K sold.

Sentinus LLC first reported a position in MKTX in Q4 2025 and held it in 2 quarters. The position peaked at $413K in Q4 2025. 217 funds tracked by Wall St. Rank hold MKTX as of Q2 2026.

Sentinus LLC reported no remaining MarketAxess Holdings position as of Q2 2026 after selling out during the quarter.
Sentinus LLC sold 2,290 MarketAxess Holdings shares in Q2 2026, an estimated $378K.
Sentinus LLC first reported a position in MarketAxess Holdings in Q4 2025 and held it in 2 quarters.
Sentinus LLC's MarketAxess Holdings position peaked at $413K in Q4 2025.
217 funds tracked by Wall St. Rank held MarketAxess Holdings as of Q2 2026.

Based on Sentinus LLC's 13F filing for Q2 2026, filed 11 Aug 2026.