Sotera Health Company
Sotera Health Company (SHC) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · SHC · as of Sep 30, 2025
Ownership Breakdown
246
Institutional Holders
▲ 21 vs Q2
$4.15B
Total Inst. Value
▲ $1.13B vs Q2
285.17M
Shares Outstanding
freeFloat 54.05%
264.02M
13F Shares Held
▼ 7.74M 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
SHC largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
WARBURG PINCUS LLC services-misc health & allied services, nec | 61.82M | 21.77% | 21.77% | $972.48B | Nov 14, 2025 | ▼ 12.00M |
GTCR LLC services-misc health & allied services, nec | 41.22M | 14.52% | 14.52% | $648.32B | Nov 13, 2025 | ▼ 8.00M |
DARSANA CAPITAL PARTNERS LP services-misc health & allied services, nec | 25.00M | 8.80% | 8.80% | $393.25B | Nov 14, 2025 | ▲ 4.99M |
VANGUARD GROUP INC services-misc health & allied services, nec | 16.47M | 5.80% | 5.80% | $259.10B | Nov 7, 2025 | ▲ 1.56M |
BLACKROCK, INC. services-misc health & allied services, nec | 15.21M | 5.36% | 5.36% | $239.32B | Nov 12, 2025 | ▲ 1.49M |
SCULPTOR CAPITAL LP services-misc health & allied services, nec | 13.34M | 4.70% | 4.70% | $209.87B | Nov 14, 2025 | ▲ 1.84M |
SESSA CAPITAL IM, L.P. services-misc health & allied services, nec | 9.92M | 3.49% | 3.49% | $156.04B | Nov 14, 2025 | ▲ 3.62M |
T. ROWE PRICE INVESTMENT MANAGEMENT, INC. services-misc health & allied services, nec | 9.22M | 3.25% | 3.25% | $145.01B | Nov 14, 2025 | ▲ 165.5K |
SACHEM HEAD CAPITAL MANAGEMENT LP services-misc health & allied services, nec | 7.91M | 2.79% | 2.79% | $124.42B | Nov 14, 2025 | — held |
JANUS HENDERSON GROUP PLC services-misc health & allied services, nec | 6.46M | 2.28% | 2.28% | $101.61B | Nov 14, 2025 | ▲ 406.7K |
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
30
Increased
+18.88M shares4
New Positions
first time holders13
Decreased
−24.95M shares0
Sold Out
fully exitedNet shares change (top 50)
6.07M
+18.88M / −24.95M
Net new holders
+21
4 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
SHC insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
13
Buy transactions
2
Sell transactions
6.50
Buy/Sell ratio
$32M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Klee Ann R. director | May 22, 2026 | Award | 14,970 | — | — | 140.9K | Form 4 ↗ |
SHADER ALTON Chief Executive Officer | May 26, 2026 | Award | 203,634 | — | — | 579.6K | Form 4 ↗ |
SHADER ALTON Chief Executive Officer | May 26, 2026 | Award | 375,939 | — | — | 375.9K | Form 4 ↗ |
SHADER ALTON Chief Executive Officer | May 26, 2026 | Award | 101,817 | — | — | 101.8K | Form 4 ↗ |
Kyle Richard G director | May 22, 2026 | Award | 14,970 | — | — | 15.0K | Form 4 ↗ |
Krause Kenneth D. director | May 22, 2026 | Award | 14,970 | — | — | 15.0K | Form 4 ↗ |
CUNNINGHAM SEAN LAURENCE director | May 22, 2026 | Award | 14,970 | — | — | 95.8K | Form 4 ↗ |
Flynn Karen director | May 22, 2026 | Award | 14,970 | — | — | 54.2K | Form 4 ↗ |
Neary James director | May 22, 2026 | Award | 14,970 | — | — | 95.8K | Form 4 ↗ |
PETRELLA VINCENT K director | May 22, 2026 | Award | 14,970 | — | — | 95.8K | 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
Sotera Health Company (SHC) is primarily owned by institutional investors, who hold approximately 92.6% of total shares outstanding. Company insiders own approximately 45.95%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Sotera Health Company is WARBURG PINCUS LLC, holding approximately 61.82 million shares — equal to 21.77% of outstanding shares — as of September 30, 2025.
A total of 246 institutional investors currently hold SHC stock, with a combined institutional value of approximately $4.15 billion as of the most recent 13F filing period.
Frequently asked questions
SHC ownershipSotera Health Company (SHC) is primarily owned by institutional investors, who hold approximately 92.6% of shares. The largest shareholder is WARBURG PINCUS LLC with a 21.77% stake. Company insiders hold 45.95%. Data sourced from SEC Form 13F as of September 30, 2025.