Institutional Holders (2026 Q1)
1K + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in ROK. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Drystone LLC | 7.91% | 24,459 | $8.8M |
| 2 | Diversified Management Inc | 7.39% | 120,021 | $43.1M |
| 3 | Core Wealth Partners LLC | 6.97% | 41,789 | $15.0M |
| 4 | Kampmann Melissa S. | 3.55% | 12,314 | $4.4M |
| 5 | Baker Chad R | 3.52% | 52,010 | $18.7M |
| 6 | M. Kraus & Co | 3.31% | 31,595 | $11.3M |
| 7 | Delaney Dennis R | 3.29% | 25,858 | $9.3M |
| 8 | Waters Parkerson & CO., LLC | 3.08% | 167,144 | $60.0M |
| 9 | Birch Hill Investment Advisors LLC | 3.04% | 188,730 | $67.7M |
| 10 | Notis-McConarty Edward | 2.94% | 15,741 | $6.4M |
| 11 | Westend Capital Management, LLC | 2.90% | 26,921 | $9.7M |
| 12 | Elefante Mark B | 2.90% | 14,670 | $5.3M |
| 13 | Puzo Michael J | 2.73% | 26,085 | $9.4M |
| 14 | Iyo Bank, Ltd. | 2.73% | 21,350 | $7.7M |
| 15 | Somerville Kurt F | 2.61% | 27,613 | $9.9M |
| 16 | Hemenway Trust Co LLC | 2.60% | 89,879 | $32.3M |
| 17 | Kidder Stephen W | 2.48% | 23,481 | $8.4M |
| 18 | Broderick Brian C | 2.43% | 36,756 | $13.2M |
| 19 | Ontario Teachers Pension Plan Board | 2.42% | 233,214 | $83.7M |
| 20 | Quilter Plc | 2.27% | 360,846 | $129.5M |
| 21 | Hall Laurie J Trustee | 2.24% | 17,692 | $6.3M |
| 22 | Dempze Nancy E | 2.23% | 11,317 | $4.1M |
| 23 | Jag Capital Management, LLC | 2.20% | 54,596 | $19.6M |
| 24 | Albar Capital Partners LLP | 2.01% | 34,627 | $12.4M |
| 25 | Cabot Wealth Management Inc | 1.93% | 46,807 | $16.8M |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|