Moodys Corp (MCO) fell to 1.43% of Mark Massey's AltaRock Partners portfolio in 2026 Q3, from 3.23%, according to the 13F-HR filed with the SEC on November 13, 2026. The share count dropped 56% to 133K shares, and the position is worth about $60.4M and ranks 6th of 8 stocks by weight.
What did the 2026 Q3 filing report for MCO?
As of September 30, 2026, from the 13F-HR filed November 13, 2026.
| Before | After | |
|---|---|---|
| Shares | 303K | 133K |
| Shares sold | -170K (56%) | |
| Reported value | $137M | $60.4M |
| Portfolio weight | 3.23% | 1.43% |
| Rank in portfolio | 6th of 8 |
How much did Mark Massey cut MCO?
Mark Massey sold 170K shares of MCO during 2026 Q3, cutting the stake from 303K to 133K. The reported value of the position fell by about $76.7M, from about $137M to about $60.4M.
Where does MCO sit in the Mark Massey portfolio?
MCO ranks 6th of 8 stock positions in the Mark Massey portfolio at 1.43%, below the fund's average stock position of 13%. The largest stock position is MSFT at 32.15%. Next come AMZN at 28.53% and TDG at 21.67%. The three largest stocks together are 82.35% of the book. The MCO cut was the 3rd largest of the quarter's 7 position changes by percent change to portfolio. Across the 2026 Q3 portfolio, Mark Massey reported 8 stock positions, with no position opened or closed. The total portfolio value is about $4.21B, down 1% from the prior quarter.
How long has Mark Massey held MCO?
Mark Massey first reported MCO in the quarter ended December 31, 2014. The weight peaked at 22.42% in 2015 Q1. This is the second straight quarter of cuts. Last quarter the fund trimmed it by 65%. Every reported trade is on the Mark Massey MCO trade history page.
Did other funds buy or sell MCO in 2026 Q3?
Among the other tracked funds that had filed for 2026 Q3 as of November 13, 2026, 6 hold MCO. Of those, 1 added to the position this quarter and 3 trimmed it. The largest buyer of MCO this quarter was Donald Yacktman. The largest sellers were John Armitage, Chuck Akre and Nicolai Tangen. Every tracked holder of MCO is on the MCO ownership page.
FAQ
How many MCO shares did Mark Massey sell in 2026 Q3?
Mark Massey sold 170K shares of MCO, 56% of the position, leaving 133K shares.
What remains of the MCO position of Mark Massey?
Mark Massey still holds 133K shares of MCO, worth about $60.4M at September 30, 2026 prices.
How much of the Mark Massey portfolio is MCO now?
MCO is 1.43% of the Mark Massey portfolio, down from 3.23% a quarter earlier.
Did other funds trim MCO in 2026 Q3?
Among the 6 other tracked funds that hold MCO, 3 trimmed it in 2026 Q3 and 1 added to it.