Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in ALSN held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | 12.5M | $1.46B | +0.7% | 14.978% | 0.08% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 4.2M | $490.4M | — | 5.039% | 0.03% |
| 3 | BlackRock, Inc. | 3.8M | $443.5M | +1.3% | 4.558% | 0.01% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 3.7M | $434.7M | — | 4.467% | 0.01% |
| 5 | FULLER & THALER ASSET MANAGEMENT, INC. | 3.4M | $397.4M | +2.4% | 4.084% | 1.34% |
| 6 | Boston Partners | 2.9M | $334.4M | +23.3% | 3.436% | 0.35% |
| 7 | RENAISSANCE TECHNOLOGIES LLC | 2.3M | $264.6M | -13.0% | 2.719% | 0.41% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 2.2M | $258.1M | +12.4% | 2.652% | 0.02% |
| 9 | FIRST TRUST ADVISORS LP | 2.0M | $237.2M | +85.2% | 2.438% | 0.17% |
| 10 | LONDON CO OF VIRGINIA | 1.9M | $223.0M | -9.3% | 2.292% | 1.37% |
| 11 | DIMENSIONAL FUND ADVISORS LP | 1.9M | $222.6M | -0.1% | 2.288% | 0.05% |
| 12 | BANK OF MONTREAL /CAN/ | 1.6M | $181.7M | -27.9% | 1.867% | 0.07% |
| 13 | STATE STREET CORP | 1.5M | $178.3M | +2.0% | 1.832% | 0.01% |
| 14 | FEDERATED HERMES, INC. | 1.2M | $145.3M | -1.3% | 1.493% | 0.24% |
| 15 | AQR CAPITAL MANAGEMENT LLC | 1.2M | $142.4M | -19.9% | 1.486% | 0.07% |
| 16 | BANK OF AMERICA CORP /DE/ | 1.1M | $128.8M | +12.3% | 1.323% | 0.01% |
| 17 | Stockbridge Partners LLC | 1.0M | $120.6M | — | 1.240% | 2.91% |
| 18 | Invesco Ltd. | 930K | $108.8M | -4.5% | 1.118% | 0.02% |
| 19 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 885K | $103.6M | +2.8% | 1.064% | 0.02% |
| 20 | Quantinno Capital Management LP | 868K | $101.6M | +9.5% | 1.044% | 0.17% |
| 21 | BALYASNY ASSET MANAGEMENT LLC | 848K | $99.3M | +53.8% | 1.020% | 0.34% |
| 22 | CAPTRUST FINANCIAL ADVISORS | 816K | $95.5M | +440.3% | 0.981% | 0.17% |
| 23 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 803K | $94.0M | +6.8% | 0.966% | 0.05% |
| 24 | Allianz Asset Management GmbH | 740K | $86.7M | -10.2% | 0.891% | 0.09% |
| 25 | WASATCH ADVISORS INC | 734K | $86.0M | -21.3% | 0.883% | 0.57% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in ALSN — a direct measure of their conviction.
Filings activity in ALSN during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 541 | +5.7% | 96.00% | +16.06 pp | $9.36B | +20% |
| Q4 2025 | 512 | +1.8% | 79.94% | +10.71 pp | $7.80B | +15% |
| Q3 2025 | 503 | 4.6% | 69.23% | 8.61 pp | $6.75B | 11% |
| Q2 2025 | 527 | +7.3% | 77.84% | +4.73 pp | $7.59B | +6.5% |
| Q1 2025 | 491 | 7.0% | 73.11% | 11.84 pp | $7.13B | 14% |
| Q4 2024 | 528 | +11% | 84.95% | +9.25 pp | $8.29B | +12% |
| Q3 2024 | 475 | +8.2% | 75.70% | +16.56 pp | $7.39B | +28% |
| Q2 2024 | 439 | — | 59.14% | — | $5.77B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying ALSN stock.
Based on Q1 2026 13F filings, institutional ownership of Allison Transmission Holdings, Inc. stands at 96.0%, held across 541 reporting institutions.
FMR LLC is the largest reported institutional holder of ALSN, with approximately 12,450,911 shares worth $1.46B as of Q1 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of ALSN, including RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for ALSN is 66 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
101 institutions opened new positions in ALSN during Q1 2026, while 72 fully exited. 367 added to existing positions and 72 trimmed.
ALSN institutional ownership rose by 16.06 percentage points quarter-over-quarter, with a net change of +29 holders.
The top 10 institutions account for 48.5% of all reported 13F value in ALSN, and the top 25 account for 68.7%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Allison Transmission Holdings, Inc. (ALSN) Institutional Ownership