WAB
Westinghouse Air Brake Technologies Corporation · Industrials · Railroads
Momentum inputs (comparable managers):
holder breadth -4.0% ·
share flow +3.2% ·
net new positions -8.3%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 3 | 0 | 287.56K | $81.69M | n/a | n/a |
| Q2 2026 | 159 | -3 | 122.29M | $32.96B | +4 | −8 |
| Q1 2026 | 166 | +3 | 123.42M | $30.77B | +6 | −4 |
| Q4 2025 | 162 | -1 | 131.09M | $27.98B | +1 | −1 |
| Q3 2025 | 24 | -1 | 79.07M | $15.85B | n/a | −2 |
| Q2 2025 | 23 | +1 | 73.36M | $15.35B | +1 | n/a |
| Q1 2025 | 19 | +1 | 26.16M | $4.74B | +1 | n/a |
| Q4 2024 | 18 | -2 | 27.71M | $5.25B | n/a | −2 |
| Q3 2024 | 19 | +1 | 19.50M | $3.54B | +1 | n/a |
| Q2 2024 | 18 | n/a | 23.81M | $3.76B | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 19.94M | +0.1% | $4.00B | 0.1% | ▲ Add | 2 | SEC ↗ ×6 |
| 2 | Fidelity (FMR) ✦ | 16.32M | +21.7% | $3.27B | 0.2% | ▲ Add | 2 | SEC ↗ ×5 |
| 3 | State Street Global Advisors ✦ (passive) | 7.46M | -0.4% | $1.50B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 4 | T. Rowe Price ✦ | 6.62M | +0.2% | $1.33B | 0.1% | ▲ Add | 6 | SEC ↗ ×2 |
| 5 | Geode Capital Management ✦ (passive) | 4.33M | +0.9% | $864.00M | 0.1% | ▲ Add | 6 | SEC ↗ ×2 |
| 6 | Wellington Management ✦ | 3.30M | +3.6% | $662.39M | 0.1% | ▲ Add | 6 | SEC ↗ ×6 |
| 7 | Morgan Stanley ✦ | 2.18M | n/a | $436.94M | 0.0% | n/c | 1 | SEC ↗ ×19 |
| 8 | JPMorgan Chase ✦ | 1.91M | n/a | $383.67M | 0.0% | n/c | 1 | SEC ↗ ×34 |
| 9 | AQR Capital Management ✦ | 1.23M | +76.3% | $245.53M | 0.2% | ▲ Add | 6 | SEC ↗ ×6 |
| 10 | Goldman Sachs Group ✦ | 792.93K | n/a | $158.96M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 11 | Point72 Asset Management ✦ | 415.80K | +94.5% | $83.36M | 0.2% | ▲ Add | 6 | SEC ↗ |
| 12 | Renaissance Technologies ✦ | 376.60K | +124.3% | $75.50M | 0.1% | ▲ Add | 6 | SEC ↗ |
| 13 | Duquesne Family Office ✦ | 302.41K | +77.4% | $60.62M | 1.5% | ▲ Add | 6 | SEC ↗ |
| 14 | Two Sigma Investments ✦ | 141.12K | -60.2% | $28.29M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 15 | Millennium Management ✦ | 130.89K | -54.7% | $26.24M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 16 | Adage Capital Partners ✦ | 105.89K | -13.9% | $21.23M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 17 | Baillie Gifford ✦ | 90.44K | -11.3% | $18.13M | 0.0% | ▼ Trim | 6 | SEC ↗ ×4 |
| 18 | D. E. Shaw & Co. ✦ | 67.62K | +20.4% | $13.56M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 19 | Bridgewater Associates ✦ | 66.40K | +4239.6% | $13.31M | 0.1% | ▲ Add | 6 | SEC ↗ |
| 20 | Citadel Advisors ✦ | 37.15K | -85.6% | $7.45M | 0.0% | ▼ Trim | 6 | SEC ↗ ×2 |
| 21 | Marshall Wace ✦ | 30.80K | -84.5% | $6.17M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 22 | Gotham Asset Management ✦ | 28.61K | +103.7% | $5.74M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 23 | Fisher Asset Management ✦ | 2.12K | +8.4% | $426,110 | 0.0% | ▲ Add | 6 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Norges Bank | $347.19M | was 0.0% |
| Arrowstreet Capital | $48.59M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,145 holders, 154.94M shares, $35.41B 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)
Officer, Director · 345 sh · $100,855
Officer, Director · 259 sh · $75,465
Officer, Director · 222 sh · $65,303
Officer, Director · 261 sh · $76,562
Officer, Director · 614 sh · $179,511
Officer, Director · 84 sh · $24,611
Officer, Director · 278 sh · $81,042
Officer, Director · 42 sh · $12,064
Officer, Director · 36 sh · $10,373
Officer, Director · 33 sh · $9,569
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology