Who owns ROCK
222 institutions reported holding ROCK for 2026Q1, together 104% of the company, fewer than the 252 a quarter earlier.
222
Institutions reporting a position · as of 2026Q1 · down from 252 the quarter before
- Shares held by institutions
- 30.9M
Shares held by institutions · 104% of the company · long US equity positions only, as reported on Form 13F
- Reported value
- $1.25B
Reported value · at 2026-03-31 prices, not today's
- Top 5 holders
- 55%
Top 5 holders · of the whole company, between five filers
Details›
- Reporting quarter2026-03-31
- 2026Q1
- Quarters on record
- 52
- New positions
- 30
- Positions exited
- 63
- Added to
- 86
- Reduced
- 66
- Top 10 holdersof the company
- 70%
| Quarter | Filers | Shares | Reported value |
|---|---|---|---|
| 2026Q1 | 222 | 30.9M | $1.25B |
| 2025Q4 | 252 | 29.8M | $1.47B |
| 2025Q3 | 266 | 29.9M | $1.88B |
| 2025Q2 | 263 | 29.6M | $1.75B |
| 2025Q1 | 270 | 29.6M | $1.73B |
| 2024Q4 | 281 | 29.8M | $1.76B |
| 2024Q3 | 289 | 30.1M | $2.10B |
| 2024Q2 | 289 | 30.0M | $2.05B |
| 2024Q1 | 283 | 30.1M | $2.41B |
| 2023Q4 | 269 | 29.9M | $2.36B |
| 2023Q3 | 255 | 29.8M | $2.01B |
| 2023Q2 | 227 | 29.5M | $1.85B |
| 2023Q1 | 205 | 30.2M | $1.46B |
| 2022Q4 | 199 | 30.7M | $1.41B |
| 2022Q3 | 190 | 31.0M | $1.27B |
| 2022Q2 | 192 | 31.1M | $1.20B |
| Holder | Shares | % of company | Value |
|---|---|---|---|
| BlackRock Inc. | 5.0M | 17% | $201M |
| FMR LLC | 4.4M | 15% | $177M |
| VANGUARD GROUP INC | 2.9M | 9.7% | $115M |
| ALLIANCEBERNSTEIN L.P. | 2.2M | 7.4% | $109M |
| DIMENSIONAL FUND ADVISORS LP | 1.7M | 5.7% | $68M |
| STATE STREET CORP | 1.3M | 4.5% | $54M |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | 1.2M | 3.9% | $47M |
| GEODE CAPITAL MANAGEMENT LLC | 0.8M | 2.6% | $31M |
| Mirae Asset Global Investments Co., Ltd. | 0.7M | 2.5% | $30M |
| FRONTIER CAPITAL MANAGEMENT CO LLC | 0.7M | 2.3% | $27M |
SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.
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