MOODY'S CORP (MCO) Institutional Shareholders
MOODY'S CORP (MCO) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $70.38B in MCO holdings during the latest filing period.
Berkshire Hathaway is currently the largest disclosed institutional shareholder of MCO tracked by InsiderSet, reporting ownership valued at approximately $11.17B in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $11.96B, representing an estimated gain of +7.07% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 55% of the total disclosed MCO value among the investors covered in this analysis. Major shareholders include Berkshire Hathaway, TCI Fund Management, Blackrock, Inc., and several other long-term asset managers with concentrated positions in MOODY'S CORP (MCO).
This page ranks the largest institutional MCO shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
1,379
Total Reported Value
$70.38B
Largest Holder
Berkshire Hathaway
Largest Position
$11.17B
Insider Transactions (90d)
25
Latest Filing Quarter
Q2 2026
New Institutional Positions
51
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Berkshire Hathaway | Warren Buffett | 3.73% | 24,669,778 | $11,173,435,852 | $11,963,855,539 | +$790,419,687 | +7.07% |
| TCI Fund Management | Chris Hohn | 12.30% | 14,334,027 | $6,492,167,509 | $6,951,429,734 | +$459,262,225 | +7.07% |
| Blackrock, Inc. | 0.08% | 12,461,878 | $5,644,233,742 | $6,043,512,355 | +$399,278,613 | +7.07% | |
| Vanguard Capital Management Llc | 0.09% | 9,757,973 | $4,419,581,131 | $4,732,226,586 | +$312,645,455 | +7.07% | |
| State Street Corp | 0.10% | 7,111,386 | $3,220,888,947 | $3,448,737,755 | +$227,848,808 | +7.07% | |
| Fmr Llc | 0.10% | 4,985,040 | $2,257,824,155 | $2,417,544,998 | +$159,720,843 | +7.07% | |
| Geode Capital Management, Llc | 0.10% | 4,006,816 | $1,810,392,193 | $1,943,145,487 | +$132,753,294 | +7.33% | |
| Vanguard Portfolio Management Llc | 0.08% | 3,733,380 | $1,690,922,470 | $1,810,539,965 | +$119,617,495 | +7.07% | |
| Morgan Stanley | 0.06% | 2,379,424 | $1,077,690,254 | $1,153,925,463 | +$76,235,209 | +7.07% | |
| Norges Bank | 0.11% | 2,372,048 | $1,074,347,980 | $1,150,348,398 | +$76,000,418 | +7.07% | |
| Pinestone Asset Management Inc. | 6.39% | 2,283,961 | $1,034,451,616 | $1,107,629,727 | +$73,178,111 | +7.07% | |
| Goldman Sachs Group Inc | 0.10% | 2,126,435 | $963,104,910 | $1,031,235,918 | +$68,131,008 | +7.07% | |
| Fiera Capital Corp | 3.43% | 2,085,400 | $944,519,368 | $1,011,335,584 | +$66,816,216 | +7.07% | |
| Bank Of New York Mellon Corp | 0.15% | 2,019,609 | $914,721,438 | $979,429,581 | +$64,708,143 | +7.07% | |
| Egerton Capital UK | John Armitage | 7.46% | 1,704,229 | $771,879,399 | $826,482,896 | +$54,603,497 | +7.07% |
| Northern Trust Corp | 0.09% | 1,671,990 | $757,277,710 | $810,848,270 | +$53,570,560 | +7.07% | |
| Principal Financial Group Inc | 0.33% | 1,461,325 | $661,887,168 | $708,684,172 | +$46,797,004 | +7.07% | |
| Windacre Partnership Llc | 6.31% | 1,409,900 | $638,571,908 | $683,745,104 | +$45,173,196 | +7.07% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.13% | 1,387,075 | $605,111,470 | $672,675,892 | +$67,564,422 | +11.17% | |
| Valley Forge Capital Management | Dev Kantesaria | 19.14% | 1,317,188 | $596,580,789 | $638,783,492 | +$42,202,703 | +7.07% |
| Massachusetts Financial Services Co | 0.18% | 1,186,385 | $565,751,041 | $575,349,270 | +$9,598,229 | +1.70% | |
| Invesco Ltd. | 0.04% | 1,201,752 | $544,297,602 | $582,801,650 | +$38,504,048 | +7.07% | |
| Charles Schwab Investment Management Inc | 0.07% | 1,201,108 | $544,005,835 | $582,489,336 | +$38,483,501 | +7.07% | |
| Sixth Street Partners Management Company, L.P. | 0.07% | 1,201,108 | $544,005,835 | $582,489,336 | +$38,483,501 | +7.07% | |
| Akre Capital Management | Chuck Akre | 10.26% | 1,156,893 | $523,979,978 | $561,046,829 | +$37,066,851 | +7.07% |
| Rothschild & Co Wealth Management Uk Ltd | 7.22% | 1,104,935 | $500,447,160 | $535,849,278 | +$35,402,118 | +7.07% | |
| Dimensional Fund Advisors Lp | 0.09% | 1,070,784 | $484,993,179 | $519,287,409 | +$34,294,230 | +7.07% | |
| Aqr Capital Management Llc | 0.16% | 1,045,155 | $470,998,988 | $506,858,369 | +$35,859,381 | +7.61% | |
| Amundi | 0.11% | 1,011,495 | $458,126,315 | $490,534,615 | +$32,408,300 | +7.07% | |
| Legal & General Group Plc | 0.09% | 996,557 | $451,360,597 | $483,290,283 | +$31,929,686 | +7.07% | |
| Vanguard Fiduciary Trust Co | 0.08% | 851,332 | $385,585,289 | $412,861,967 | +$27,276,678 | +7.07% | |
| Ninety One Uk Ltd | 0.85% | 836,571 | $378,899,667 | $405,703,472 | +$26,803,805 | +7.07% | |
| AltaRock Partners | Mark Massey | 9.11% | 862,036 | $376,063,205 | $418,052,979 | +$41,989,774 | +11.17% |
| Royal Bank Of Canada | 0.06% | 818,967 | $370,924,000 | $397,166,236 | +$26,242,236 | +7.07% | |
| Schroder Investment Management Group | 0.24% | 744,030 | $336,986,068 | $360,824,789 | +$23,838,721 | +7.07% | |
| Deutsche Bank Ag\ | 0.09% | 721,425 | $326,747,810 | $349,862,268 | +$23,114,458 | +7.07% | |
| Baillie Gifford & Co | 0.29% | 717,871 | $325,138,133 | $348,138,720 | +$23,000,587 | +7.07% | |
| Neuberger Berman Group Llc | 0.20% | 677,875 | $307,023,102 | $328,742,260 | +$21,719,158 | +7.07% | |
| Bank Of America Corp | 0.02% | 642,955 | $291,207,190 | $311,807,457 | +$20,600,267 | +7.07% | |
| Russell Investments Group, Ltd. | 0.25% | 622,705 | $282,026,818 | $301,987,017 | +$19,960,199 | +7.08% | |
| Stifel Financial Corp | 0.23% | 614,280 | $278,225,096 | $297,901,229 | +$19,676,133 | +7.07% | |
| Barclays Plc | 0.09% | 606,233 | $274,575,054 | $293,998,756 | +$19,423,702 | +7.07% | |
| Nuveen, Llc | 0.06% | 575,490 | $260,650,597 | $279,089,630 | +$18,439,033 | +7.07% | |
| Longview Partners (Guernsey) Ltd | 4.11% | 558,785 | $253,084,902 | $270,988,374 | +$17,903,472 | +7.07% | |
| Allen Investment Management, Llc | 2.93% | 544,862 | $246,778,784 | $264,236,276 | +$17,457,492 | +7.07% | |
| Jpmorgan Chase & Co | 0.01% | 539,316 | $244,165,140 | $261,546,687 | +$17,381,547 | +7.12% | |
| Generation Investment Management Llp | 2.37% | 538,516 | $243,904,667 | $261,158,719 | +$17,254,052 | +7.07% | |
| National Pension Service | 0.15% | 500,927 | $226,879,857 | $242,929,558 | +$16,049,701 | +7.07% | |
| Nordea Investment Management Ab | 0.18% | 499,137 | $226,862,758 | $242,061,480 | +$15,198,722 | +6.70% | |
| Bls Capital Fondsmaeglerselskab A/S | 8.11% | 464,583 | $210,418,932 | $225,304,172 | +$14,885,240 | +7.07% |
Frequently asked questions about MCO
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Who owns the most MCO stock?
The largest holders of MCO are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for MOODY'S CORP (MCO).
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Is MCO widely held by superinvestors?
Many widely followed stocks like MCO appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly MCO is represented among the institutional managers we track.
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What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.