RS
Reliance Steel & Aluminum Co. · Basic Materials · Steel
Momentum inputs (comparable managers):
holder breadth +8.3% ·
share flow +20.9% ·
net new positions +7.7%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 3 | 0 | 36.38K | $11.74M | n/a | −2 |
| Q2 2026 | 143 | +6 | 31.80M | $11.83B | +9 | −5 |
| Q1 2026 | 142 | -7 | 31.90M | $9.68B | +4 | −12 |
| Q4 2025 | 148 | +2 | 37.22M | $10.75B | +3 | n/a |
| Q3 2025 | 19 | +2 | 20.67M | $5.80B | +3 | −2 |
| Q2 2025 | 15 | +1 | 21.46M | $6.74B | +2 | −1 |
| Q1 2025 | 11 | -1 | 9.34M | $2.70B | n/a | −1 |
| Q4 2024 | 12 | -2 | 9.82M | $2.64B | n/a | −2 |
| Q3 2024 | 13 | +1 | 7.16M | $2.07B | +2 | −1 |
| Q2 2024 | 12 | n/a | 5.93M | $1.69B | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | T. Rowe Price ✦ | 3.39M | +39.2% | $980.47M | 0.1% | ▲ Add | 2 | SEC ↗ ×3 |
| 2 | Wellington Management ✦ | 1.34M | -2.8% | $387.74M | 0.1% | ▼ Trim | 2 | SEC ↗ ×6 |
| 3 | Geode Capital Management ✦ (passive) | 968.35K | -1.2% | $279.41M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 4 | Norges Bank ✦ (passive) | 714.32K | -0.5% | $206.59M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | Citadel Advisors ✦ | 288.58K | +371.2% | $83.46M | 0.1% | ▲ Add | 2 | SEC ↗ ×2 |
| 6 | AQR Capital Management ✦ | 137.63K | -39.0% | $39.66M | 0.1% | ▼ Trim | 2 | SEC ↗ ×3 |
| 7 | Millennium Management ✦ | 103.21K | +117.8% | $29.85M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | Renaissance Technologies ✦ | 67.61K | New | $19.55M | 0.0% | New | 1 | SEC ↗ |
| 9 | Two Sigma Investments ✦ | 67.40K | +29.9% | $19.49M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | D. E. Shaw & Co. ✦ | 60.15K | +6673.3% | $17.40M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 11 | Marshall Wace ✦ | 10.80K | New | $3.12M | 0.0% | New | 1 | SEC ↗ ×2 |
| 12 | Gotham Asset Management ✦ | 9.45K | -51.3% | $2.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | Fisher Asset Management ✦ | 6.52K | +4.8% | $1.89M | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Renaissance Technologies | $19.55M | 0.0% |
| Marshall Wace | $3.12M | 0.0% |
Exited
| Bridgewater Associates | $558,062 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 638 holders, 41.02M shares, $11.62B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Director · 1.54K sh · $601,580
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology