Marketaxess Holdings Inc

MKTX · US

Held by 2 big investorsLargest: Norway NBIM

Marketaxess Holdings Inc is held by 2 of the 24 tracked investors in their latest 13F filings. The largest position is Norges Bank's at $65.0M, 0.01% of that portfolio. Versus the prior quarter, 2 added, 0 trimmed and 0 bought new. In the last 90 days insiders sold 1 times ($1.0M) and bought 0 times on the open market.

Big investors holding this stock

Latest 13F of the 24 tracked investors. Common shares only.

InvestorValue ($)WeightRank in portfoliovs prior quarter
Norges Bank
Norway's sovereign wealth fund · Q2 2026weight 0.01% · Q2 2026
65.0M0.01%#932▲ 14%
Bridgewater Associates
Hedge fund founded by Ray Dalio · Q2 2026weight 0.00% · Q2 2026
0.8M0.00%#869▲ 25%
Reported value by investor (13F)
Norway N…$65.0MBridgewa…$797,154

Insider trades (90 days)

SEC Form 4
InsiderTradeAmount ($)
Cruger William Frank Jr.
Director · 9/10
Sell1.0M

Questions

Which big investors own Marketaxess Holdings Inc?

Norges Bank ($65.0M), Bridgewater Associates ($797,154), per their latest 13F filings.

Does Warren Buffett own Marketaxess Holdings Inc?

Berkshire Hathaway did not report it in its latest 13F.

Does Korea's National Pension Service own Marketaxess Holdings Inc?

Not in its latest 13F.

Have Marketaxess Holdings Inc insiders been selling?

1 open-market sales ($1.0M) and 0 purchases in the last 90 days; 0 of the sales were under pre-arranged 10b5-1 plans.

Restated and computed from SEC (13F, 13D/G, Form 4) and DART filings and NPS public data. Filings describe a past date and may differ from current holdings (13F: quarter end, up to 45 days later). Not investment advice.
Sources: SEC EDGAR, DART, data.go.kr (NPS), OpenFIGI. See Methodology for how figures are computed.