MCK Insider Trading Activity

Transactions disclosed by company insiders to the SEC on Form 4, most recent first.

InsiderRoleDateSharesValue
Lerman Bradley E Director 2026-08-10 301 $268,590
Caruso Dominic J Director 2026-07-22 277 $225,489
Martinez Maria Director 2026-07-22 277 $225,489
Wilson-Thompson Kathleen Director 2026-07-22 277 $225,489

How Institutional Funds Moved on MCK

Position changes disclosed in SEC Form 13F filings. These report a quarterly snapshot, not exact trade dates.

FundChangeQuarter
RENAISSANCE TECHNOLOGIES LLC RENAISSANCE TECHNOLOGIES LLC increased this position by 169% ($101,459,999 -> $272,836,582). 2026-06-30
NORGES BANK NORGES BANK opened a new position worth $1,155,354,714. 2026-06-30
NATIXIS NATIXIS opened a new position worth $58,769,812. 2026-06-30
KENSICO CAPITAL MANAGEMENT CORP KENSICO CAPITAL MANAGEMENT CORP opened a new position worth $75,318,208. 2026-06-30
Sixth Street Partners Management Company, L.P. Sixth Street Partners Management Company, L.P. opened a new position worth $750,591,883. 2026-06-30
Walleye Capital LLC Walleye Capital LLC increased this position by 56065% ($57,979 -> $32,564,093). 2026-06-30
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ MASSACHUSETTS FINANCIAL SERVICES CO /MA/ increased this position by 4719% ($28,410,634 -> $1,369,132,088). 2026-06-30
TODD ASSET MANAGEMENT LLC TODD ASSET MANAGEMENT LLC increased this position by 6259% ($667,603 -> $42,452,630). 2026-06-30

Which Funds Hold MCK

Largest reported positions as of 2026-06-30.

FundValueShares
VANGUARD CAPITAL MANAGEMENT LLC $5,933,830,317 7,853,137
VANGUARD PORTFOLIO MANAGEMENT LLC $2,171,002,765 2,873,217
GEODE CAPITAL MANAGEMENT, LLC $1,828,377,031 2,432,721
ALLIANCEBERNSTEIN L.P. $1,459,856,262 1,686,993
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ $1,369,132,088 1,811,980
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $1,172,653,420 1,551,950
NORGES BANK $1,155,354,714 1,529,056
FMR LLC $877,281,912 1,161,040
Sixth Street Partners Management Company, L.P. $750,591,883 993,372
CHARLES SCHWAB INVESTMENT MANAGEMENT INC $750,591,883 993,372

Data compiled from public SEC filings. This is informational reporting, not investment advice.

Ritchie Torres Buys McKesson (MCK) Stock, Filed 206 Days Late

Screenshot-style graphic showing a congressional stock disclosure for Ritchie Torres and McKesson Corporation (MCK)

Rep. Ritchie John Torres (D-NY) disclosed a purchase of McKesson Corporation (MCK) common stock, according to a Periodic Transaction Report filed with the U.S. House of Representatives. The transaction itself took place on January 7, 2025, and falls into the $1,001 to $15,000 range that lawmakers use to disclose trades without stating exact dollar figures. … Read more

Rick Larsen Buys McKesson (MCK) Stock as Insider Sells

Capitol building with a stock ticker overlay showing MCK, representing a congressional stock trade disclosure

Rep. Rick Larsen (D-Wash.) reported a new purchase of McKesson Corporation (MCK) common stock in a Periodic Transaction Report filed with the U.S. House of Representatives. The transaction, dated July 8, 2026, was made by Larsen himself and is valued between $1,001 and $15,000, according to the disclosure. The trade was executed through the Richard … Read more

Renaissance Technologies LLC: 13F Portfolio Moves Tracked Quarterly

Summary of Renaissance Technologies LLC portfolio increases for the quarter ending 2026-06-30, highlighting positions like Intel, AutoZone, McKesson, and Five Below.

Quarter Ending 2026-06-30 During the quarter ending 2026-06-30, Renaissance Technologies LLC filed a 13F showing broad-based increases across a wide range of existing holdings, with no reductions listed among the disclosed moves. The most dramatic percentage changes came from smaller starting positions that were scaled up substantially, including Five Below Inc (FIVE), up 16855% to … Read more