ROCK GIBRALTAR INDUSTRIES INC
2026Q2 · CUSIP 374689107 · Sector: Materials
Net holder growth ranks near the top of the market
241 funds held ROCK at the end of 2026Q2, up 17 from the quarter before. That is stronger buying than 80.4% of US stocks — among the most piled-into names this quarter. ROCK has had 10 buying rushes in its history, and the price moved +12.7% on average over the six months after (that is the raw price move, not how much it beat the market by). It sits in the Materials sector.
How many funds owned it, quarter by quarter
Bars = net change in institutional holders, positive (green) or negative (red). Line = total institutional holders.
What happened after each past buying rush 10 times in its history
| Quarter of the rush | How unusual then | Price, next 3 months | Price, next 6 months |
|---|---|---|---|
| 2026Q2 | Top 20% | — | — |
| 2023Q3 | Top 5% | +18.0% | +25.6% |
| 2023Q2 | Top 20% | -7.0% | -3.6% |
| 2023Q1 | Top 20% | +10.7% | +25.9% |
| 2020Q3 | Top 20% | +26.3% | +47.9% |
| 2019Q3 | Top 5% | -4.9% | +4.7% |
| 2016Q3 | Top 10% | -2.9% | -9.4% |
| 2016Q2 | Top 20% | -0.0% | +18.5% |
| 2015Q4 | Top 10% | +6.9% | +10.6% |
| 2015Q3 | Top 5% | -7.2% | -6.0% |
These are the raw price moves, not how much it beat the market by. Compare them against the market over the same months — in a strong bull market almost everything is up.
Show all the numbers (large funds, value held, options…) ▾ Collapse ▴
These are for people who want to dig. Skip them if they do not mean anything to you — the three numbers above are enough.
8,697 institutions have filed for this quarter. 13F permits late filing and a small number arrive in the weeks after the deadline, so the holder counts and changes below may tick up.
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2026 Q3 holdings are due 2026-11-16. We will email you when the refreshed lists are live.