ALSN
Allison Transmission Holdings, Inc. · Consumer Cyclical · Auto - Parts
Momentum inputs (comparable managers):
holder breadth +16.7% ·
share flow +2.4% ·
net new positions +14.3%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 122 | -7 | 58.65M | $6.62B | +6 | −14 |
| 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 | Fidelity (FMR) ✦ | 12.19M | — | $1.16B | 0.1% | n/c | 1 | SEC ↗ ×6 |
| 2 | The Vanguard Group ✦ (passive) | 8.82M | — | $837.52M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 3 | BlackRock ✦ (passive) | 3.84M | — | $364.78M | 0.0% | n/c | 1 | SEC ↗ ×16 |
| 4 | Renaissance Technologies ✦ | 2.96M | -5.0% | $281.03M | 0.4% | ▼ Trim | 5 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 1.97M | -4.9% | $186.81M | 0.0% | ▼ Trim | 5 | SEC ↗ ×2 |
| 6 | AQR Capital Management ✦ | 1.92M | +18.9% | $181.74M | 0.1% | ▲ Add | 5 | SEC ↗ ×6 |
| 7 | State Street Global Advisors ✦ (passive) | 1.65M | +1.1% | $156.95M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 8 | Norges Bank ✦ (passive) | 1.06M | -1.2% | $100.35M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 9 | Harris Associates (Oakmark) ✦ | 712.73K | +86.8% | $67.70M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 10 | Arrowstreet Capital ✦ | 489.38K | -1.9% | $46.49M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 11 | T. Rowe Price ✦ | 317.48K | +318.0% | $30.16M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 12 | Citadel Advisors ✦ | 293.55K | +89.1% | $27.88M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 13 | Gotham Asset Management ✦ | 241.59K | +131.7% | $22.95M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 14 | Two Sigma Investments ✦ | 214.13K | -11.8% | $20.34M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | Bridgewater Associates ✦ | 191.59K | +29.6% | $18.20M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 16 | Millennium Management ✦ | 184.80K | -50.1% | $17.55M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 17 | Marshall Wace ✦ | 64.33K | New | $6.11M | 0.0% | New | 1 | SEC ↗ |
| 18 | D. E. Shaw & Co. ✦ | 56.27K | +711.3% | $5.35M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 19 | Wellington Management ✦ | 29.83K | +71.0% | $2.83M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 20 | Point72 Asset Management ✦ | 13.70K | New | $1.30M | 0.0% | New | 1 | SEC ↗ |
| 21 | GAMCO Investors ✦ | 5.78K | New | $548,852 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $6.11M | 0.0% |
| Point72 Asset Management | $1.30M | 0.0% |
| GAMCO Investors | $548,852 | 0.0% |
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