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Who in Congress Has Traded McKesson Corporation (MCK)?

The McKesson Corporation line shows up 65 times in the congressional disclosure record between 2013 and 2026, filed by 22 members: 45 purchases against 20 sales. On balance the chamber has been net buyers, and the purchases sit up 24.7% against the latest close.

65Trades
45Buys
20Sells
22Members
$992.87Latest close 2026-10-26
+24.7%Congress buys vs latest close*

*Purchases only, weighted by the midpoint of each disclosed dollar band and marked to the latest close. Filings report a range, never a share count, so this follows the stock rather than anyone's position size.

69% buys31% sells

How it splits by party

Democrats
27 buys · 14 sells
11 members · 41 trades
Republicans
18 buys · 5 sells
10 members · 23 trades

Whose MCK buys have done best

Members ranked by how their reported MCK purchases have moved since, over roughly the last three years, weighted by disclosed band midpoint and marked to the latest close.

1 Byron Donalds
+82.2%
2 Ritchie John Torres
+55.1%
3 Jonathan Jackson
+37.6%
4 Jared Moskowitz
+28.0%
5 Rick Larsen
+10.9%
6 Markwayne Mullin
+10.3%
7 Alan Armstrong
+5.6%
DateMemberTypeAmountEst. priceLatest closeReturn
2015-07-21James B. RenacciBUY$1K–$15K$232.49$992.87 2026-10-26+327.1%
2015-07-20James B. RenacciBUY$1K–$15K$234.55$992.87 2026-10-26+323.3%
2015-07-17James B. RenacciBUY$1K–$15K$234.46$992.87 2026-10-26+323.5%
2015-06-09James B. RenacciBUY$1K–$15K$234.00$992.87 2026-10-26+324.3%
2015-06-01Kenny MarchantBUY$1K–$15K$238.27$992.87 2026-10-26+316.7%
2015-05-07James B. RenacciBUY$1K–$15K$223.82$992.87 2026-10-26+343.6%
2015-04-20James B. RenacciBUY$1K–$15K$229.23$992.87 2026-10-26+333.1%
2015-04-01Kenny MarchantBUY$1K–$15K$222.71$992.87 2026-10-26+345.8%
2015-03-30James B. RenacciBUY$1K–$15K$229.14$992.87 2026-10-26+333.3%
2014-07-23Susan M CollinsSELL$1K–$15K$190.68$992.87 2026-10-26-420.7% exit
2014-07-23Susan M CollinsSELL$1K–$15K$190.68$992.87 2026-10-26-420.7% exit
2014-02-26Susan M CollinsBUY$1K–$15K$174.78$992.87 2026-10-26+468.1%
2014-02-13Susan M CollinsBUY$1K–$15K$175.67$992.87 2026-10-26+465.2%
2014-02-06Susan M CollinsBUY$1K–$15K$172.40$992.87 2026-10-26+475.9%
2013-09-27SHELDON WHITEHOUSEBUY$1K–$15K$129.29$992.87 2026-10-26+667.9%

Buys are marked to the latest close and treated as open. A sell tagged rt closes an earlier disclosed buy in the same name. exit shows how the stock moved after the member sold.

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Frequently asked — McKesson Corporation (MCK) congressional trades

Which lawmakers have traded McKesson Corporation (MCK)?

22 members of the U.S. House and Senate have disclosed McKesson Corporation transactions under the STOCK Act — 45 purchases and 20 sales. The full member-by-member breakdown, with dates and dollar ranges, is in the table above.

Which lawmakers bought MCK recently?

No member of Congress has disclosed a MCK purchase in the last 90 days. STOCK Act filings lag the trade by up to 45 days, so newer buys may still be pending disclosure.

How have Congress's MCK trades performed?

Notional-weighted, lawmakers' disclosed MCK buys are up 24.7% versus the latest close of $992.87. Each trade's own return — and realized round-trips on matched sells — is in the Return column.

Is it legal for members of Congress to trade McKesson Corporation?

Yes. Under the 2012 STOCK Act, members of Congress may buy and sell individual stocks but must publicly disclose each transaction within 45 days. Bargo surfaces those filings so you can see who traded MCK and how it performed.

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