
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 Mar 31, 2025
Ownership Breakdown
786
Institutional Holders
▲ 15 vs Q4
$20.95B
Total Inst. Value
▲ $2.20B vs Q4
97.60M
Shares Outstanding
freeFloat 99.56%
92.68M
13F Shares Held
▲ 1.34M vs Q4
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
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC orthopedic, prosthetic & surgical appliances & supplies | 11.96M | 12.13% | 12.13% | $2.71T | May 9, 2025 | ▲ 46.6K |
BLACKROCK, INC. orthopedic, prosthetic & surgical appliances & supplies | 9.21M | 9.34% | 9.34% | $2.09T | May 2, 2025 | ▲ 119.6K |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ orthopedic, prosthetic & surgical appliances & supplies | 5.44M | 5.52% | 5.52% | $1.23T | May 2, 2025 | ▲ 452.1K |
WCM INVESTMENT MANAGEMENT, LLC orthopedic, prosthetic & surgical appliances & supplies | 4.50M | 4.57% | 4.57% | $1.00T | Apr 28, 2025 | ▲ 7.4K |
STATE STREET CORP orthopedic, prosthetic & surgical appliances & supplies | 4.09M | 4.15% | 4.15% | $927.01B | May 15, 2025 | ▼ 3.2K |
MORGAN STANLEY orthopedic, prosthetic & surgical appliances & supplies | 3.89M | 3.95% | 3.95% | $882.01B | May 15, 2025 | ▲ 7.7K |
GENERATION INVESTMENT MANAGEMENT LLP orthopedic, prosthetic & surgical appliances & supplies | 3.35M | 3.40% | 3.40% | $760.31B | May 15, 2025 | ▲ 170.4K |
GEODE CAPITAL MANAGEMENT, LLC orthopedic, prosthetic & surgical appliances & supplies | 2.43M | 2.47% | 2.47% | $549.47B | May 13, 2025 | ▲ 72.5K |
SELECT EQUITY GROUP, L.P. orthopedic, prosthetic & surgical appliances & supplies | 2.22M | 2.25% | 2.25% | $502.07B | May 15, 2025 | ▼ 384.5K |
APG ASSET MANAGEMENT N.V. orthopedic, prosthetic & surgical appliances & supplies | 1.57M | 1.59% | 1.59% | $329.63B | May 14, 2025 | ▼ 46.5K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
29
Increased
+2.23M shares3
New Positions
first time holders18
Decreased
−1.30M shares0
Sold Out
fully exitedNet shares change (top 50)
+923.3K
+2.23M / −1.30M
Net new holders
+14
3 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 95.0% of total shares outstanding. Company insiders own approximately 0.44%, while retail and public investors account for the remaining 4.61%.
The largest institutional shareholder of STERIS plc is VANGUARD GROUP INC, holding approximately 11.96 million shares — equal to 12.13% of outstanding shares — as of March 31, 2025.
A total of 786 institutional investors currently hold STE stock, with a combined institutional value of approximately $20.95 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 95.0% of shares. The largest shareholder is VANGUARD GROUP INC with a 12.13% stake. Company insiders hold 0.44%. Data sourced from SEC Form 13F as of March 31, 2025.