STERIS plc
STERIS plc (STE) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · STE · as of Sep 30, 2025
Ownership Breakdown
853
Institutional Holders
▲ 5 vs Q2
$22.59B
Total Inst. Value
▲ $570.19M vs Q2
97.60M
Shares Outstanding
freeFloat 99.56%
91.58M
13F Shares Held
▼ 357,916 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
STE largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC orthopedic, prosthetic & surgical appliances & supplies | 12.21M | 12.41% | 12.41% | $3.02T | Nov 7, 2025 | ▲ 50.4K |
BLACKROCK, INC. orthopedic, prosthetic & surgical appliances & supplies | 8.76M | 8.90% | 8.90% | $2.17T | Nov 12, 2025 | ▲ 115.9K |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ orthopedic, prosthetic & surgical appliances & supplies | 4.85M | 4.92% | 4.92% | $1.20T | Oct 29, 2025 | ▼ 404.7K |
STATE STREET CORP orthopedic, prosthetic & surgical appliances & supplies | 4.35M | 4.43% | 4.43% | $1.08T | Nov 14, 2025 | ▲ 166.7K |
MORGAN STANLEY orthopedic, prosthetic & surgical appliances & supplies | 4.19M | 4.26% | 4.26% | $1.04T | May 27, 2026 | ▲ 322.3K |
GENERATION INVESTMENT MANAGEMENT LLP orthopedic, prosthetic & surgical appliances & supplies | 2.98M | 3.03% | 3.03% | $738.59B | Nov 10, 2025 | ▼ 185.8K |
GEODE CAPITAL MANAGEMENT, LLC orthopedic, prosthetic & surgical appliances & supplies | 2.51M | 2.55% | 2.55% | $618.37B | Nov 12, 2025 | ▲ 30.4K |
ORBIS ALLAN GRAY LTD orthopedic, prosthetic & surgical appliances & supplies | 2.13M | 2.16% | 2.16% | $526.88B | Nov 14, 2025 | ▲ 29.2K |
SELECT EQUITY GROUP, L.P. orthopedic, prosthetic & surgical appliances & supplies | 1.98M | 2.01% | 2.01% | $489.14B | Nov 14, 2025 | ▼ 75.6K |
MITSUBISHI UFJ KOKUSAI ASSET MANAGEMENT CO., LTD. orthopedic, prosthetic & surgical appliances & supplies | 1.57M | 1.59% | 1.59% | $387.80B | Nov 12, 2025 | ▲ 221.2K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
24
Increased
+3.32M shares1
New Positions
first time holders25
Decreased
−2.72M shares0
Sold Out
fully exitedNet shares change (top 50)
+594.6K
+3.32M / −2.72M
Net new holders
+0
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
STE insider trading · insider activity
Source: SEC Form 4
20
Buy transactions
18
Sell transactions
1.11
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Zangerle John Adam Sr. VP, Gen Counsel, and Sec. | Jun 3, 2026 | Tax Withhold | 365 | $210.19 | $76.7K | 37.1K | Form 4 ↗ |
Tamaro Renato V.P. & Corporate Treasurer | Jun 3, 2026 | Tax Withhold | 64 | $210.19 | $13.5K | 6.3K | Form 4 ↗ |
Madsen Julia Sr. VP and GM, Life Sciences | Jun 3, 2026 | Tax Withhold | 239 | $210.19 | $50.2K | 12.5K | Form 4 ↗ |
Kohler Kenneth E SVP & GM, AST | Jun 3, 2026 | Tax Withhold | 184 | $210.19 | $38.7K | 11.5K | Form 4 ↗ |
Fraser Mary Clare SVP & Chief HRO | Jun 3, 2026 | Tax Withhold | 311 | $210.19 | $65.4K | 14.3K | Form 4 ↗ |
Carestio Daniel A President and CEO | Jun 3, 2026 | Tax Withhold | 2,619 | $210.19 | $550.5K | 70.0K | Form 4 ↗ |
Burton Karen L Sr. Vice Pres., CFO | Jun 3, 2026 | Tax Withhold | 190 | $210.19 | $39.9K | 13.3K | Form 4 ↗ |
Zangerle John Adam Sr. VP, Gen Counsel, and Sec. | Jun 2, 2026 | Award | 4,359 | — | — | 37.7K | Form 4 ↗ |
Zangerle John Adam Sr. VP, Gen Counsel, and Sec. | Jun 2, 2026 | Tax Withhold | 247 | $209.76 | $51.8K | 37.4K | Form 4 ↗ |
Zangerle John Adam Sr. VP, Gen Counsel, and Sec. | Jun 2, 2026 | Award | 15,200 | $230.74 | $3.51M | 15.2K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
STERIS plc (STE) is primarily owned by institutional investors, who hold approximately 93.8% of total shares outstanding. Company insiders own approximately 0.44%, while retail and public investors account for the remaining 5.74%.
The largest institutional shareholder of STERIS plc is VANGUARD GROUP INC, holding approximately 12.21 million shares — equal to 12.41% of outstanding shares — as of September 30, 2025.
A total of 853 institutional investors currently hold STE stock, with a combined institutional value of approximately $22.59 billion as of the most recent 13F filing period.
Frequently asked questions
STE ownershipSTERIS plc (STE) is primarily owned by institutional investors, who hold approximately 93.8% of shares. The largest shareholder is VANGUARD GROUP INC with a 12.41% stake. Company insiders hold 0.44%. Data sourced from SEC Form 13F as of September 30, 2025.