MCO fund manager activity
Moody's Corporation · NYSE. Reported by 31 tracked fund managers in their 13F filings, Q2 2013 to Q3 2026.
Q1 2026
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|---|---|---|---|---|
| AKO Capital | Trimmed | 510,824 | $222,847,000 | 4.36% | May 15, 2026 |
| Chuck Akre - Akre Capital Management | Trimmed | 1,246,114 | $543,617,232 | 8.89% | May 14, 2026 |
| AltaRock Partners | Added | 862,036 | $376,063,205 | 9.11% | May 15, 2026 |
| Guy Spier - Aquamarine Capital | No change | 27,000 | $11,779,000 | 8.71% | Apr 17, 2026 |
| Ron Baron - Baron Capital | Added | 36,232 | $15,806,210 | 0.05% | May 15, 2026 |
| Warren Buffett - Berkshire Hathaway | No change | 24,669,778 | $10,762,190,653 | 4.09% | May 15, 2026 |
| Glenn Greenberg - Brave Warrior Advisors | No change | 471 | $205,474 | 0.01% | May 15, 2026 |
| William Von Mueffling - Cantillon Capital Management | Trimmed | 392,513 | $171,233,796 | 1.14% | May 7, 2026 |
| Arnold Van Den Berg - Century Management | Trimmed | 5,850 | $2,552,208 | 0.59% | May 15, 2026 |
| Francis Chou - Chou Associates | No change | 1,500 | $654,375 | 0.31% | May 14, 2026 |
| Philippe Laffont - Coatue Management | Sold out | — | — | 0.00% | May 15, 2026 |
| Dodge & Cox Funds | No change | 1,213 | $529,171 | 0.00% | May 14, 2026 |
| John Armitage - Egerton Capital | Added | 1,545,670 | $674,298,538 | 7.48% | May 13, 2026 |
| Ken Fisher - Fisher Asset Management | Trimmed | 1,847 | $806,481 | 0.00% | May 5, 2026 |
| Joel Greenblatt - Gotham Asset Management | Added | 41,634 | $18,162,833 | 0.06% | May 15, 2026 |
| Li Lu - Himalaya Capital Management | New | 117,784 | $51,383,270 | 1.61% | May 15, 2026 |
| Thomas Gayner - Markel Group | No change | 213,890 | $93,309,514 | 0.78% | May 1, 2026 |
| Bill Nygren - Oakmark Funds | Trimmed | 1,905 | $831,056 | 0.00% | May 15, 2026 |
| Chris Hohn - TCI Fund Management | Added | 14,334,027 | $6,253,219,279 | 13.8% | May 15, 2026 |
| Valley Forge Capital Management | Trimmed | 1,317,188 | $574,623,265 | 17.0% | May 15, 2026 |
| Yacktman Asset Management | Trimmed | 12,405 | $5,411,681 | 0.07% | May 1, 2026 |
Q4 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|---|---|---|---|---|
| AKO Capital | Trimmed | 736,568 | $376,276,000 | 5.73% | Feb 17, 2026 |
| Chuck Akre - Akre Capital Management | Trimmed | 1,735,231 | $886,442,756 | 9.72% | Feb 13, 2026 |
| AltaRock Partners | Trimmed | 814,503 | $416,088,858 | 8.16% | Feb 13, 2026 |
| Guy Spier - Aquamarine Capital | No change | 27,000 | $13,793,000 | 9.35% | Jan 15, 2026 |
| Ron Baron - Baron Capital | Trimmed | 35,709 | $18,241,943 | 0.05% | Feb 17, 2026 |
| Warren Buffett - Berkshire Hathaway | No change | 24,669,778 | $12,602,556,092 | 4.60% | Feb 17, 2026 |
| Glenn Greenberg - Brave Warrior Advisors | No change | 471 | $240,610 | 0.01% | Feb 17, 2026 |
| William Von Mueffling - Cantillon Capital Management | Added | 445,400 | $227,532,590 | 1.23% | Feb 11, 2026 |
| Arnold Van Den Berg - Century Management | Trimmed | 5,927 | $3,027,978 | 0.69% | Feb 17, 2026 |
| Francis Chou - Chou Associates | Trimmed | 1,500 | $766,275 | 0.38% | Feb 13, 2026 |
| Philippe Laffont - Coatue Management | New | 64,260 | $32,827,221 | 0.08% | May 15, 2026 |
| Dodge & Cox Funds | Trimmed | 1,213 | $619,661 | 0.00% | Feb 13, 2026 |
| John Armitage - Egerton Capital | New | 773,409 | $395,095,988 | 4.29% | Feb 11, 2026 |
| Ken Fisher - Fisher Asset Management | Trimmed | 2,042 | $1,043,672 | 0.00% | Feb 9, 2026 |
| Joel Greenblatt - Gotham Asset Management | Trimmed | 29,322 | $14,979,144 | 0.05% | Feb 17, 2026 |
| Thomas Gayner - Markel Group | No change | 213,890 | $109,265,707 | 0.87% | Feb 6, 2026 |
| Bill Nygren - Oakmark Funds | Trimmed | 1,948 | $995,136 | 0.00% | Feb 17, 2026 |
| Chris Hohn - TCI Fund Management | No change | 13,308,479 | $6,798,636,497 | 12.7% | Feb 17, 2026 |
| Valley Forge Capital Management | Added | 1,317,292 | $672,938,618 | 15.3% | Feb 17, 2026 |
| Yacktman Asset Management | No change | 12,425 | $6,347,311 | 0.09% | Feb 3, 2026 |