AIR
AAR Corp. · Industrials · Aerospace & Defense
Momentum inputs (comparable managers):
holder breadth +16.7% ·
share flow -2.7% ·
net new positions +14.3%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 111 | +6 | 26.57M | $3.80B | +9 | −4 |
| Q1 2026 | 109 | +7 | 26.58M | $2.91B | +10 | −3 |
| Q4 2025 | 101 | 0 | 28.39M | $2.35B | — | — |
| Q3 2025 | 20 | 0 | 15.27M | $1.37B | +1 | −2 |
| Q2 2025 | 18 | +1 | 13.94M | $958.86M | +2 | −1 |
| Q1 2025 | 14 | +2 | 3.62M | $202.75M | +2 | — |
| Q4 2024 | 12 | -1 | 3.72M | $227.95M | — | −1 |
| Q3 2024 | 12 | -1 | 2.07M | $134.99M | +1 | −2 |
| Q2 2024 | 13 | — | 2.01M | $146.33M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 1.73M | -9.4% | $96.83M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 827.32K | +3.5% | $46.33M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 827.32K | +3.5% | $46.33M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | GAMCO Investors ✦ | 278.41K | +1.2% | $15.59M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 5 | Fisher Asset Management ✦ | 208.34K | -0.9% | $11.67M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 6 | Marshall Wace ✦ | 152.13K | +34.0% | $8.52M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | Marshall Wace ✦ | 152.13K | +34.0% | $8.52M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | Millennium Management ✦ | 134.97K | +35.8% | $7.56M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | Two Sigma Investments ✦ | 66.47K | -43.1% | $3.72M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 10 | Norges Bank ✦ (passive) | 55.48K | -46.2% | $3.11M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 11 | D. E. Shaw & Co. ✦ | 42.22K | +41.6% | $2.36M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 12 | Renaissance Technologies ✦ | 38.26K | New | $2.14M | 0.0% | New | 1 | SEC ↗ |
| 13 | Citadel Advisors ✦ | 31.67K | New | $1.77M | 0.0% | New | 1 | SEC ↗ |
| 14 | AQR Capital Management ✦ | 25.99K | -23.8% | $1.46M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 15 | AQR Capital Management ✦ | 25.99K | -23.8% | $1.46M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 16 | AQR Capital Management ✦ | 25.99K | -23.8% | $1.46M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 17 | AQR Capital Management ✦ | 25.99K | -23.8% | $1.46M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 18 | T. Rowe Price ✦ | 25.29K | +4.9% | $1.42M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 19 | Gotham Asset Management ✦ | 5.11K | +31.3% | $285,829 | 0.0% | ▲ Add | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Renaissance Technologies | $2.14M | 0.0% |
| Citadel Advisors | $1.77M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 372 holders, 39.95M shares, $4.31B 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.