ALSN
Allison Transmission Holdings, Inc. · Consumer Cyclical · Auto - Parts
Momentum inputs (comparable managers):
holder breadth +7.1% ·
share flow +2.7% ·
net new positions +6.7%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 124 | -7 | 58.65M | $6.62B | +6 | −12 |
| Q1 2026 | 133 | 0 | 57.77M | $6.75B | +8 | −9 |
| Q4 2025 | 132 | 0 | 63.48M | $6.20B | +1 | — |
| Q3 2025 | 23 | 0 | 38.79M | $3.29B | +1 | −2 |
| Q2 2025 | 21 | +3 | 37.21M | $3.53B | +3 | — |
| Q1 2025 | 15 | +1 | 11.50M | $1.10B | +1 | — |
| Q4 2024 | 14 | -1 | 11.20M | $1.21B | — | −1 |
| Q3 2024 | 14 | +1 | 10.02M | $960.87M | +1 | — |
| Q2 2024 | 13 | — | 11.15M | $845.26M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Renaissance Technologies ✦ | 3.12M | -2.7% | $298.03M | 0.5% | ▼ Trim | 4 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 2.07M | +5.3% | $197.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 2.07M | +5.3% | $197.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | State Street Global Advisors ✦ (passive) | 1.63M | -2.5% | $156.37M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | AQR Capital Management ✦ | 1.61M | +4.3% | $151.28M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 6 | AQR Capital Management ✦ | 1.61M | +4.3% | $151.28M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 7 | AQR Capital Management ✦ | 1.61M | +4.3% | $151.28M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 8 | AQR Capital Management ✦ | 1.61M | +4.3% | $151.28M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 9 | AQR Capital Management ✦ | 1.61M | +4.3% | $151.28M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 10 | Norges Bank ✦ (passive) | 1.07M | +6.0% | $102.25M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 11 | Arrowstreet Capital ✦ | 498.87K | -24.0% | $47.73M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 12 | Harris Associates (Oakmark) ✦ | 381.45K | -2.1% | $36.49M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 13 | Millennium Management ✦ | 370.05K | +97.6% | $35.40M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 14 | Two Sigma Investments ✦ | 242.86K | New | $23.23M | 0.1% | New | 1 | SEC ↗ |
| 15 | Citadel Advisors ✦ | 155.24K | -49.2% | $14.85M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 16 | Bridgewater Associates ✦ | 147.85K | +46.0% | $14.15M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 17 | Gotham Asset Management ✦ | 104.25K | +33.6% | $9.97M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 18 | T. Rowe Price ✦ | 75.96K | +37.5% | $7.27M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 19 | T. Rowe Price ✦ | 75.96K | +37.5% | $7.27M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 20 | Wellington Management ✦ | 17.45K | -5.5% | $1.67M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 21 | D. E. Shaw & Co. ✦ | 6.94K | -54.1% | $663,567 | 0.0% | ▼ Trim | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Two Sigma Investments | $23.23M | 0.1% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 551 holders, 83.77M shares, $9.37B 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 · 9.05K sh · $1.21M
Officer, Director · 13.10K sh · $1.73M
Officer, Director · 4.56K sh · $610,990
Officer · 1.05K sh · $131,250
Officer · 3.96K sh · $484,748
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology