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STE · Insider trading · 13F holders · Congress trades

STERIS plc (STE)

Who is buying and selling STE: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.

13F filers holding
49
Insider buys, 90 days
$0
Insider sales, 90 days
$957K
Congress trades, 12 months
17

STE at a glance

  • Between Aug 1, 2026 and Oct 29, 2026, 1 STE insider filed 1 sale worth $957K on SEC Form 4, and no open-market purchases.
  • 49 13F filers hold STE among their 50 largest positions, worth $2.4B combined, including Al Gore and David Blood. The biggest bets by portfolio weight are Diker Management LLC (41.7%), Al Gore and David Blood (4.7%) and Tandem Investment Advisors, Inc. (4.2%). In their latest 13Fs, 1 manager opened a new position and 7 added to one.
  • Members of Congress have disclosed 27 STE trades since 2014, 10 purchases and 7 sales in the past year; the latest was Kevin Hern (R-OK), selling $15K–50K on Sep 15, 2026.
  • STE last closed at $232.14 on Oct 29, 2026.

STE insider trading

Between Aug 1, 2026 and Oct 29, 2026, 1 STE insider filed 1 sale worth $957K on SEC Form 4, and no open-market purchases.

STE insider purchases and sales
FiledInsiderRoleTradeSharesPriceValueForm 4
Aug 12, 2026Sohi MohsenDirectorSale4,058$235.78$957KSEC

Every STE insider and Form 4 filing →

Who owns STE? Hedge funds and superinvestors

49 13F filers hold STE among their 50 largest positions, worth $2.4B combined, including Al Gore and David Blood. The biggest bets by portfolio weight are Diker Management LLC (41.7%), Al Gore and David Blood (4.7%) and Tandem Investment Advisors, Inc. (4.2%). In their latest 13Fs, 1 manager opened a new position and 7 added to one.

Superinvestors holding STE: Al Gore and David Blood 4.7%

13F filers holding STE
Manager% of portfolioValueSharesLast quarter13F
Orbis Allan Gray LtdInvestment manager1.9%$563.8M2,677,710+3.3% sharesQ2 2026
Al Gore and David BloodHedge fund4.7%$480.2M2,280,698-1.2% sharesQ2 2026
Select Equity Group, L.P.Hedge fund2.1%$399.0M1,894,646-11.6% sharesQ2 2026
Findlay Park Partners LLPHedge fund1.9%$138.5M657,713-2.5% sharesQ2 2026
London Co of VirginiaAsset manager0.8%$135.1M641,604-4.4% sharesQ2 2026
Locust Wood Capital Advisers, LLCInstitutional asset manager2.3%$96.0M455,866+14.8% sharesQ2 2026
Fenimore Asset Management IncMutual fund manager1.6%$74.5M354,742-0.1% sharesQ3 2026
Williams Jones Wealth Management, LLC.Wealth manager0.8%$70.1M332,977-12.1% sharesQ2 2026
Tandem Investment Advisors, Inc.Wealth manager4.2%$62.7M297,826-24.9% sharesQ2 2026
Diker Management LLCWealth manager41.7%$54.2M257,593+0.0% sharesQ2 2026
Sustainable Growth Advisers, LPMutual fund manager0.5%$49.9M237,752-36.6% sharesQ3 2026
Copeland Capital Management, LLCAsset manager0.9%$37.3M177,778—Q3 2026
Harvey Investment Co LLCWealth manager2.7%$25.4M121,165+4.5% sharesQ3 2026
Dearborn Partners LLCInvestment manager1.3%$23.4M105,783+0.0% sharesQ2 2026
Villere St Denis J & Co LLCInvestment manager2.5%$20.6M97,996-9.9% sharesQ2 2026
Foster Victor Wealth Advisors, LLCWealth manager1.0%$20.4M92,031+2.8% sharesQ3 2026
Addenda Capital Inc.Institutional asset manager0.5%$19.8M94,369+20.8% sharesQ3 2026
Foresight Group Ltd Liability PartnershipHedge fund3.4%$18.8M89,732-11.7% sharesQ2 2026
Speece Thorson Capital Group IncAsset manager3.8%$17.8M84,495+31.1% sharesQ2 2026
Running Oak Capital LLCWealth manager1.7%$10.2M48,335-17.1% sharesQ2 2026
Callahan Advisors, LLCWealth manager0.7%$9.8M46,657+1.6% sharesQ2 2026
Middleton & Co Inc/maInvestment manager1.0%$9.4M44,863-3.6% sharesQ3 2026
Aureus Asset Management, LLCInstitutional asset manager0.5%$8.9M42,249+12.3% sharesQ2 2026
Carderock Capital Management IncWealth manager1.9%$8.4M39,766-0.8% sharesQ3 2026
HFR Wealth Management, LLCWealth manager2.0%$8.2M39,135-3.2% sharesQ2 2026
Welch Capital Partners Llc/nyHedge fund1.4%$7.1M33,777-1.6% sharesQ2 2026
Havemeyer Place LPInvestment manager0.7%$6.6M31,466—Q2 2026
Winslow Asset Management IncWealth manager1.1%$6.6M31,144-1.1% sharesQ2 2026
McCollum Christoferson Group LLCWealth manager1.8%$6.3M30,138-7.8% sharesQ3 2026
Campbell & CO Investment Adviser LLCHedge fund0.3%$6.1M29,009—Q2 2026

The 30 largest of 49 positions, by value. Each manager counts with its latest 13F (Q3 2026: 13, Q2 2026: 36). Screen STE in the grand portfolio →

STE stock trades by members of Congress

Members of Congress have disclosed 27 STE trades since 2014, 10 purchases and 7 sales in the past year; the latest was Kevin Hern (R-OK), selling $15K–50K on Sep 15, 2026.

Congress trades in STE
FiledMemberTradeAmountTradedSince
Sep 25, 2026Kevin HernR-OK · HouseSale$15K–50KSep 15, 2026+8.8%
Sep 9, 2026April McClain DelaneyD-MD · HouseSale$100K–250KAug 25, 2026-3.2%
Aug 27, 2026Jared MoskowitzD-FL · HouseSale$1K–15KJul 13, 2026+5.4%
Aug 3, 2026April McClain DelaneyD-MD · HouseSale$1K–15KJul 31, 2026+0.2%
Aug 3, 2026April McClain DelaneyD-MD · HouseSale$1K–15KJul 29, 2026-2.6%
Aug 3, 2026April McClain DelaneyD-MD · HouseSale$1K–15KJul 27, 2026+4.8%
Aug 3, 2026April McClain DelaneyD-MD · HouseSale$1K–15KJul 24, 2026+6.9%
Jun 8, 2026Gilbert Ray Cisneros, Jr.D-CA · HouseBuy$1K–15KMay 13, 2026+8.4%
Jun 8, 2026Gilbert Ray Cisneros, Jr.D-CA · HouseBuy$1K–15KMay 11, 2026+13.3%
May 8, 2026Gilbert Ray Cisneros, Jr.D-CA · HouseBuy$1K–15KMay 1, 2026+6.7%
May 8, 2026Gilbert Ray Cisneros, Jr.D-CA · HouseBuy$1K–15KApr 29, 2026+7.6%
May 6, 2026April McClain DelaneyD-MD · HouseBuy$1K–15KApr 30, 2026+5.5%
Apr 6, 2026April McClain DelaneyD-MD · HouseBuy$1K–15KMar 16, 2026+4.4%
Mar 10, 2026April McClain DelaneyD-MD · HouseBuy$1K–15KFeb 6, 2026-9.3%
Mar 9, 2026Gilbert Ray Cisneros, Jr.D-CA · HouseBuy$1K–15KFeb 10, 2026-6.5%
Oct 6, 2025April McClain DelaneyD-MD · HouseBuy$1K–15KSep 18, 2025-8.7%
Oct 6, 2025April McClain DelaneyD-MD · HouseBuy$1K–15KSep 11, 2025-9.4%
Jul 2, 2025April McClain DelaneyD-MD · HouseSale$1K–15KJun 26, 2025-4.1%
Mar 27, 2025Robert P. Bresnahan, Jr.R-PA · HouseBuy$1K–15KFeb 25, 2025+2.2%
Aug 21, 2024Jared MoskowitzD-FL · HouseBuy$1K–15KJul 14, 2023-0.1%

9 members have traded STE: Kevin Hern, April McClain Delaney, Jared Moskowitz, Gilbert Ray Cisneros, Jr., Robert P. Bresnahan, Jr., Donna E. Shalala, Van Taylor, K. Michael Conaway and others.

Analysis mentioning STE

Posts from the blog that cover STERIS plc, newest first.

STE questions and answers

Are insiders buying STE stock?

Between Aug 1, 2026 and Oct 29, 2026, 1 STE insider filed 1 sale worth $957K on SEC Form 4, and no open-market purchases.

Which hedge funds own STE?

49 13F filers hold STE among their 50 largest positions, worth $2.4B combined, including Al Gore and David Blood. The biggest bets by portfolio weight are Diker Management LLC (41.7%), Al Gore and David Blood (4.7%) and Tandem Investment Advisors, Inc. (4.2%). In their latest 13Fs, 1 manager opened a new position and 7 added to one.

Has Congress traded STE?

Members of Congress have disclosed 27 STE trades since 2014, 10 purchases and 7 sales in the past year; the latest was Kevin Hern (R-OK), selling $15K–50K on Sep 15, 2026.

Who is the largest holder of STE?

Among 13F filers, Orbis Allan Gray Ltd reports the largest STE position, $563.8M (2,677,710 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Diker Management LLC's: 41.7% of its portfolio.

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