Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
245 institutional managers reported holding ROG for the quarter ended Mar 31, 2026. Together they hold about 93% of shares outstanding; the top 10 hold 60%. 41 opened new positions; 36 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 3.31M | 18.50% | $357.3M | trimmed -1.9% | ≤2013 |
| Vanguard Group | 2.28M | 12.76% | $246.5M | added +2% | ≤2013 |
| Capital Research Global Investors | 1.52M | 8.49% | $163.9M | unchanged | 2025 Q3 |
| Dimensional Fund Advisors | 720.8k | 4.03% | $77.8M | trimmed -9.1% | ≤2013 |
| State Street | 705.0k | 3.94% | $76.1M | trimmed -3.8% | ≤2013 |
| Starboard Value (focused) | 584.3k | 3.26% | $63.0M | trimmed -51.4% | 2023 Q1 |
| ACK Asset Management LLC (focused) | 475.0k | 2.65% | $51.2M | added +8.8% | 2025 Q4 |
| Clearline Capital LP | 468.4k | 2.62% | $50.5M | trimmed -0.9% | 2024 Q3 |
| Geode Capital | 423.8k | 2.37% | $45.7M | added +2.7% | ≤2013 |
| Morgan Stanley | 321.7k | 1.80% | $34.7M | added +10% | ≤2013 |
| Ameriprise Financial INC | 307.1k | 1.72% | $33.1M | added +54.5% | ≤2013 |
| Charles Schwab Investment Management | 277.4k | 1.55% | $29.9M | unchanged | ≤2013 |
| Neuberger Berman Group LLC | 261.5k | 1.46% | $28.2M | added +0.8% | 2013 Q4 |
| Goldman Sachs | 214.5k | 1.20% | $23.1M | added +27.6% | ≤2013 |
| Northern Trust | 193.9k | 1.08% | $20.9M | added +3.7% | ≤2013 |
| Gamco Investors, INC. et al | 191.3k | 1.07% | $20.6M | trimmed -5.9% | 2021 Q4 |
| Atreides Management, LP | 186.1k | 1.04% | $20.1M | added +8.2% | 2025 Q2 |
| Oddo BHF Asset Management SAS | 155.0k | 0.87% | $16.7M | unchanged | 2024 Q3 |
| Third Avenue Management LLC | 151.0k | 0.84% | $16.3M | trimmed -24.3% | 2025 Q3 |
| Leeward Investments, LLC - MA | 137.6k | 0.77% | $14.8M | trimmed -2.7% | 2024 Q1 |
| Qube Research & Technologies LTD | 135.1k | 0.76% | $14.6M | added +929.1% | 2022 Q4 |
| Marathon Asset Management LTD | 133.8k | 0.75% | $14.4M | added +13.6% | 2023 Q4 |
| First Eagle Investment Management | 131.8k | 0.74% | $14.2M | added +11.4% | 2025 Q3 |
| Bank OF America CORP /DE/ | 113.9k | 0.64% | $12.3M | trimmed -5% | ≤2013 |
| Two Sigma | 110.9k | 0.62% | $12.0M | added +859.9% | 2025 Q3 |
| BNY Mellon | 107.8k | 0.60% | $11.6M | trimmed -2.5% | ≤2013 |
| Citadel Advisors | 94.7k | 0.53% | $10.2M | added +5.6% | 2023 Q1 |
| Invesco | 93.1k | 0.52% | $10.0M | added +3.9% | ≤2013 |
| SG Americas Securities, LLC | 92.5k | 0.52% | $10.0M | added +26.3% | 2024 Q2 |
| Aristotle Capital Boston, LLC | 91.0k | 0.51% | $9.8M | added +5% | 2014 Q4 |
| King Luther Capital Management CORP | 90.9k | 0.51% | $9.8M | trimmed -5.1% | 2024 Q4 |
| Jacobs Levy Equity Management, INC | 83.7k | 0.47% | $9.0M | added +59.4% | 2025 Q1 |
| Cooper Creek Partners Management LLC | 81.8k | 0.46% | $8.8M | unchanged | 2024 Q4 |
| Principal Financial Group INC | 81.3k | 0.45% | $8.8M | added +2% | ≤2013 |
| BNP Paribas Financial Markets | 75.6k | 0.42% | $8.2M | added +36.6% | 2014 Q2 |
| Edgestream Partners, L.p. | 74.9k | 0.42% | $8.1M | added +135% | 2025 Q3 |
| GAMCO (Gabelli) | 69.9k | 0.39% | $7.5M | trimmed -4.6% | 2021 Q4 |
| D. E. Shaw | 63.3k | 0.35% | $6.8M | trimmed -30.7% | 2022 Q2 |
| Public Sector Pension Investment Board | 59.8k | 0.33% | $6.5M | added +3.4% | ≤2013 |
| UBS | 58.6k | 0.33% | $6.3M | trimmed -16.7% | ≤2013 |
| Needham Investment Management LLC | 58.0k | 0.32% | $6.3M | trimmed -3.3% | 2023 Q3 |
| Nuveen | 56.6k | 0.32% | $6.1M | added +1.5% | 2019 Q2 |
| Pinnacle Associates LTD | 56.2k | 0.31% | $6.1M | trimmed -8.7% | 2020 Q2 |
| Prudential Financial INC | 56.1k | 0.31% | $6.1M | trimmed -4% | ≤2013 |
| UG Investment Advisers LTD. (focused) | 53.6k | 0.30% | $5.8M | opened | 2026 Q1 |
| Rhumbline Advisers | 51.2k | 0.29% | $5.5M | added +0.6% | ≤2013 |
| AQR Capital | 48.7k | 0.27% | $5.3M | added +5.7% | 2024 Q3 |
| Jane Street | 48.0k | 0.27% | $5.2M | opened | 2026 Q1 |
| Victory Capital Management INC | 47.7k | 0.27% | $5.1M | unchanged | 2015 Q2 |
| Creative Planning | 43.7k | 0.24% | $4.7M | added +22.5% | 2021 Q1 |
Largest 50 of 245 shown; the full ranked, searchable register is at boothcheck.com/holders/ROG. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.