MCKESSON CORP (MCK) Institutional Shareholders
MCKESSON CORP (MCK) 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 $83.15B in MCK holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of MCK tracked by InsiderSet, reporting ownership valued at approximately $9.88B in its March 31, 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 $9.48B, representing an estimated loss of -4.04% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 46% of the total disclosed MCK value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Capital Management Llc, State Street Corp, and several other long-term asset managers with concentrated positions in MCKESSON CORP (MCK).
This page ranks the largest institutional MCK 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
1,958
Total Reported Value
$83.15B
Largest Holder
Blackrock, Inc.
Largest Position
$9.88B
Insider Transactions (90d)
50
Latest Filing Quarter
Q2 2026
New Institutional Positions
45
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.17% | 11,418,384 | $9,881,012,634 | $9,482,168,625 | -$398,844,009 | -4.04% | |
| Vanguard Capital Management Llc | 0.17% | 7,960,724 | $6,888,892,121 | $6,610,824,031 | -$278,068,090 | -4.04% | |
| State Street Corp | 0.17% | 5,731,756 | $4,964,698,395 | $4,759,822,135 | -$204,876,260 | -4.13% | |
| Fmr Llc | 0.16% | 3,603,423 | $3,118,257,942 | $2,992,390,562 | -$125,867,380 | -4.04% | |
| Franklin Resources Inc | 0.65% | 3,063,145 | $2,650,723,421 | $2,543,727,502 | -$106,995,919 | -4.04% | |
| Geode Capital Management, Llc | 0.16% | 2,903,848 | $2,502,046,290 | $2,411,442,495 | -$90,603,795 | -3.62% | |
| Vanguard Portfolio Management Llc | 0.13% | 2,883,068 | $2,494,891,724 | $2,394,186,159 | -$100,705,565 | -4.04% | |
| Morgan Stanley | 0.12% | 2,299,625 | $1,990,007,132 | $1,909,677,589 | -$80,329,543 | -4.04% | |
| Massachusetts Financial Services Co | 0.59% | 2,446,386 | $1,856,409,681 | $2,031,552,326 | +$175,142,645 | +9.43% | |
| Alliancebernstein L.P. | 0.60% | 2,240,697 | $1,838,021,342 | $1,860,742,010 | +$22,720,668 | +1.24% | |
| Bank Of America Corp | 0.10% | 1,538,726 | $1,331,551,800 | $1,277,804,232 | -$53,747,568 | -4.04% | |
| Invesco Ltd. | 0.20% | 1,491,598 | $1,290,769,192 | $1,238,667,727 | -$52,101,465 | -4.04% | |
| Northern Trust Corp | 0.17% | 1,462,181 | $1,265,312,951 | $1,214,238,968 | -$51,073,983 | -4.04% | |
| Arrowstreet Capital, Limited Partnership | 0.61% | 1,312,164 | $1,135,494,239 | $1,089,660,351 | -$45,833,888 | -4.04% | |
| Goldman Sachs Group Inc | 0.15% | 1,305,081 | $1,129,365,488 | $1,083,778,415 | -$45,587,073 | -4.04% | |
| Royal Bank Of Canada | 0.21% | 1,282,325 | $1,109,672,000 | $1,064,881,150 | -$44,790,850 | -4.04% | |
| Dz Bank Ag Deutsche Zentral Genossenschafts Bank, Frankfurt Am Main | 0.83% | 1,047,084 | $906,104,610 | $869,529,966 | -$36,574,644 | -4.04% | |
| Boston Partners | 0.79% | 1,169,676 | $886,429,627 | $971,334,041 | +$84,904,414 | +9.58% | |
| Nordea Investment Management Ab | 0.79% | 988,046 | $841,854,714 | $820,503,040 | -$21,351,674 | -2.54% | |
| Charles Schwab Investment Management Inc | 0.12% | 944,938 | $817,711,548 | $784,704,863 | -$33,006,685 | -4.04% | |
| Wcm Investment Management, Llc | 1.83% | 932,121 | $801,801,225 | $774,061,242 | -$27,739,983 | -3.46% | |
| Legal & General Group Plc | 0.18% | 916,736 | $793,306,672 | $761,285,076 | -$32,021,596 | -4.04% | |
| Aqr Capital Management Llc | 0.36% | 907,472 | $784,246,271 | $753,591,973 | -$30,654,298 | -3.91% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.16% | 892,826 | $772,615,908 | $741,429,495 | -$31,186,413 | -4.04% | |
| Bank Of New York Mellon Corp | 0.13% | 825,622 | $714,459,808 | $685,621,277 | -$28,838,531 | -4.04% | |
| Manufacturers Life Insurance Company, The | 0.60% | 812,411 | $703,026,100 | $674,650,467 | -$28,375,633 | -4.04% | |
| Storebrand Asset Management As | 0.21% | 1,973,095 | $628,825,562 | $1,638,517,281 | +$1,009,691,719 | +160.57% | |
| Barclays Plc | 0.22% | 712,800 | $616,828,609 | $591,930,504 | -$24,898,105 | -4.04% | |
| Vanguard Fiduciary Trust Co | 0.16% | 705,647 | $610,638,688 | $585,990,438 | -$24,648,250 | -4.04% | |
| Swedbank Ab | 0.52% | 793,743 | $599,752,211 | $659,147,999 | +$59,395,788 | +9.90% | |
| Janus Henderson Group Plc | 0.27% | 628,945 | $544,225,633 | $522,294,796 | -$21,930,837 | -4.03% | |
| Amundi | 0.15% | 623,749 | $539,767,435 | $517,979,882 | -$21,787,553 | -4.04% | |
| Nuveen, Llc | 0.14% | 611,982 | $529,584,744 | $508,208,212 | -$21,376,532 | -4.04% | |
| Ubs Group Ag | 0.09% | 609,491 | $527,429,130 | $506,139,611 | -$21,289,519 | -4.04% | |
| Ameriprise Financial Inc | 0.12% | 575,886 | $498,361,266 | $478,233,011 | -$20,128,255 | -4.04% | |
| Wells Fargo & Company/Mn | 0.08% | 459,676 | $397,784,316 | $381,728,741 | -$16,055,575 | -4.04% | |
| Deutsche Bank Ag\ | 0.13% | 459,058 | $397,250,432 | $381,215,535 | -$16,034,897 | -4.04% | |
| Bank Of Montreal | 0.15% | 427,003 | $369,511,906 | $354,596,101 | -$14,915,805 | -4.04% | |
| Voya Investment Management Llc | 0.38% | 420,179 | $363,111,580 | $348,929,247 | -$14,182,333 | -3.91% | |
| National Pension Service | 0.26% | 396,214 | $342,867,747 | $329,027,992 | -$13,839,755 | -4.04% | |
| Lone Pine Capital | Stephen Mandel | 2.71% | 392,224 | $339,414,961 | $325,714,576 | -$13,700,385 | -4.04% |
| Winslow Capital Management, Llc | 1.28% | 379,576 | $328,469,887 | $315,211,298 | -$13,258,589 | -4.04% | |
| Td Asset Management Inc | 0.28% | 425,457 | $321,475,309 | $353,312,257 | +$31,836,948 | +9.90% | |
| Swiss National Bank | 0.18% | 362,250 | $313,476,660 | $300,823,268 | -$12,653,393 | -4.04% | |
| Dimensional Fund Advisors Lp | 0.06% | 356,397 | $308,388,447 | $295,962,761 | -$12,425,686 | -4.03% | |
| Surgocap Partners Lp | 10.08% | 348,732 | $301,778,724 | $289,597,515 | -$12,181,209 | -4.04% | |
| Envestnet Asset Management Inc | 0.07% | 385,204 | $291,059,796 | $319,884,958 | +$28,825,162 | +9.90% | |
| Raymond James Financial Inc | 0.09% | 331,398 | $286,683,893 | $275,202,841 | -$11,481,052 | -4.00% | |
| California Public Employees Retirement System | 0.17% | 324,022 | $280,395,678 | $269,077,589 | -$11,318,089 | -4.04% | |
| Capital International Investors | 0.06% | 309,815 | $268,101,508 | $257,279,670 | -$10,821,838 | -4.04% |
Frequently asked questions about MCK
Who owns the most MCK stock?
The largest holders of MCK 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 MCKESSON CORP (MCK).
Is MCK widely held by superinvestors?
Many widely followed stocks like MCK appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly MCK is represented among the institutional managers we track.
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.