$STE

$230.12 -$2.03 (0.87%) Close

$STE Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 97.5M shares outstanding

Who owns STE?

By type of holder

Institutions 97.3% Insiders 0.0% Everyone else 2.7%

Concentration Top 10 holders own 45.3%

BlackRock, Inc. 9.1% · Vanguard Capital Management LLC 6.6%

Institutional ownership

97.3%

+1.2 pts vs last qtr

Institutional holders

832

-7 vs last qtr

Net shares bought

+1.2M

by institutions in Q2 2026

New / sold out

106 / 113

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Jupiter Topco LLC NEW +1.9M
Norges Bank NEW +1.2M

Biggest sellers in Q2 2026

Janus Henderson Group PLC SOLD OUT −1.9M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC −1.2M

Who is planning to sell?

Notices of proposed sale, last 12 months

$10.8M

10 notices from 7 people

Shares covered

43.6K

0.04% of the company

Arranged in advance

12%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Zangerle John Adam Officer $4.27M
Madsen Julia Officer $1.31M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2017–FY2026

+14.6%

+1.53% a year

Each share's claim on the business

−12.8%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$1.13B vs $387M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years74% 3–5 years5% 1–3 years13% Under 1 year8%

Quarterly turnover

11.6%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting STE on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	8.8M	9.05%	−205.7K (−2.3%)	≤2021	0.0%
Shares held by quarter Peak holding9.2M (Q1'25) Change over 8 quarters−284.0K Share of the company9.050% BlackRock, Inc.'s full portfolio →
VC Vanguard Capital Management LLC	6.4M	6.57%	+40.5K (+0.6%)	≤2021	0.0%
Shares held by quarter Peak holding6.4M (Q2'26) Change over 8 quarters+6.4M Share of the company6.570% Vanguard Capital Management LLC's full portfolio →

BlackRock, Inc.

8.8M

% of company

9.05%

Change vs last qtr

−205.7K (−2.3%)

Held since

≤2021

Vanguard Capital Management LLC

6.4M

% of company

6.57%

Change vs last qtr

+40.5K (+0.6%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding STERIS plc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting STE on Form N-PORT; together they hold 21.4% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$656M	3.1M	3.19%	0.03%	June 30, 2026
V5 Vanguard 500 Index Fund Vanguard Index Funds	$535M	2.5M	2.61%	0.03%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$656M

% of company

3.19%

% of the fund

0.03%

As of

June 30, 2026

Vanguard 500 Index Fund

Vanguard Index Funds

Position value

$535M

% of company

2.61%

% of the fund

0.03%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding STERIS plc and how much of the fund the position is.

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