Sotera Health (SHC)
Provides contract sterilization, gamma technologies, and testing services for healthcare-product safety.
$18.82
vs last close+0.11 (+0.61%)
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13F · 13D/G · Form 4
| Institutions | ≈ 103.39% | 295.04M shares | |
|---|---|---|---|
| 318 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | |||
| Insiders | 62.54% | 178.46M shares | |
| 19 holders · as of Aug 19, 2026 | |||
| Adds to | 165.93% | ||
285.37M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
These groups come from separate filings that can overlap, so they add to 165.93%; nothing is left for Other.
13F, as of Jun 30, 2026
318 holders · 295.04M shares · 59 new positions · 225 increased · 65 reduced · 39 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Sessa Capital Im, L.P. | 27.05M | 9.48% | +4.00M | Aug 14, 2026 |
| Darsana Capital Partners LP | 27.00M | 9.46% | +1.00M | Aug 14, 2026 |
| BlackRock, Inc. | 24.15M | 8.46% | +3.30M | Aug 7, 2026 |
| Sculptor Capital LP | 24.00M | 8.41% | +2.28M | Aug 14, 2026 |
| Sachem Head Capital Management LP | 15.56M | 5.45% | +3.92M | Aug 14, 2026 |
| Vanguard Capital Management LLC | 12.17M | 4.26% | +1.44M | Aug 13, 2026 |
| Vanguard Portfolio Management LLC | 11.95M | 4.19% | +1.34M | Aug 13, 2026 |
| AQR Capital Management LLC | 10.73M | 3.76% | +4.01M | Aug 14, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| WP XI Partners, L.P. | 25.70% | 73.04M | 13G | Nov 12, 2025 |
| Darsana Capital Partners LP | 8.80% | 25.00M | 13G | Nov 14, 2025 |
| Sculptor Capital LP | 7.39% | 21.00M | 13G | Feb 13, 2026 |
| BlackRock, Inc. | 6.20% | 17.74M | 13G | Jan 21, 2026 |
| Sessa Capital (Master), L.P. | 5.60% | 15.92M | 13G | Feb 17, 2026 |
| Sachem Head Capital Management LP | 5.46% | 15.56M | 13G | May 15, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 17, 2026 | Michael B. Jr. Petrasdirector, officer: Executive Chairman | Sale · 2 lots | 1,144,515 | $18.50 | 4,367,305 |
| Aug 7, 2026 | Michael P. Rutzofficer: President of Sterigenics | Sale | 150,000 | $18.84 | 334,279 |
| May 13, 2026 | GTCR Investment Xi LLCdirector, 10 percent owner: | Sale | 12,735,301 | $15.17 | 0 |
| May 13, 2026 | Warburg Pincus & Co.director, 10 percent owner: | Sale | 19,102,952 | $15.17 | 0 |
| Mar 6, 2026 | GTCR Investment Xi LLCdirector, 10 percent owner: | Sale | 10,000,000 | $15.27 | 12,735,301 |
| Mar 6, 2026 | Warburg Pincus & Co.director, 10 percent owner: | Sale | 15,000,000 | $15.27 | 19,102,952 |
| Dec 8, 2025 | Michael B. Jr. Petrasdirector, officer: Chairman & CEO | Sale · 3 lots | 750,000 | $16.45 | 552,790 |
| Dec 3, 2025 | GTCR Investment Xi LLCdirector, 10 percent owner: | Sale | 6,480,000 | $16.33 | 22,735,301 |
| Dec 3, 2025 | Warburg Pincus & Co.director, 10 percent owner: | Sale | 9,720,000 | $16.33 | 34,102,952 |
| Nov 10, 2025 | Warburg Pincus & Co.director, 10 percent owner: | Sale | 18,000,000 | $15.65 | 43,822,952 |
House and Senate disclosures
Not reported.