ALSN
Allison Transmission Holdings, Inc. · Consumer Cyclical · Auto - Parts
Momentum inputs (comparable managers):
holder breadth +7.7% ·
share flow -10.1% ·
net new positions +7.1%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| 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 ✦ | 3.42M | -2.8% | $328.89M | 0.5% | ▼ Trim | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 1.96M | +4.2% | $188.51M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 1.96M | +4.2% | $188.51M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | AQR Capital Management ✦ | 1.76M | -14.1% | $167.32M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 5 | AQR Capital Management ✦ | 1.76M | -14.1% | $167.32M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 6 | AQR Capital Management ✦ | 1.76M | -14.1% | $167.32M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 7 | Norges Bank ✦ (passive) | 997.18K | -1.0% | $95.80M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | Arrowstreet Capital ✦ | 642.30K | -7.6% | $61.71M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 9 | Harris Associates (Oakmark) ✦ | 417.03K | -1.2% | $40.06M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 10 | Citadel Advisors ✦ | 286.13K | -76.7% | $27.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | Millennium Management ✦ | 217.06K | +293.8% | $20.85M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 12 | Bridgewater Associates ✦ | 88.20K | -26.3% | $8.47M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | Gotham Asset Management ✦ | 76.54K | +25.5% | $7.35M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 14 | Two Sigma Investments ✦ | 51.96K | New | $4.99M | 0.0% | New | 1 | SEC ↗ |
| 15 | T. Rowe Price ✦ | 50.40K | +4.0% | $4.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 16 | T. Rowe Price ✦ | 50.40K | +4.0% | $4.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 17 | D. E. Shaw & Co. ✦ | 31.15K | -30.3% | $2.99M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 18 | Wellington Management ✦ | 16.59K | +24.5% | $1.59M | 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
| Two Sigma Investments | $4.99M | 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