Allison Transmission Holdings, Inc.
Allison Transmission Holdings, Inc. (ALSN) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ALSN · as of Mar 31, 2025
Ownership Breakdown
522
Institutional Holders
▼ 34 vs Q4
$7.97B
Total Inst. Value
▼ $1.12B vs Q4
82.94M
Shares Outstanding
freeFloat 99.10%
83.31M
13F Shares Held
▼ 789,387 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ALSN largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
FMR LLC motor vehicle parts & accessories | 12.82M | 14.74% | 14.74% | $1.23T | May 12, 2025 | ▼ 173.5K |
VANGUARD GROUP INC motor vehicle parts & accessories | 8.98M | 10.32% | 10.32% | $859.35B | May 9, 2025 | ▼ 169.5K |
BLACKROCK, INC. motor vehicle parts & accessories | 3.80M | 4.36% | 4.36% | $363.17B | May 2, 2025 | ▲ 6.8K |
RENAISSANCE TECHNOLOGIES LLC motor vehicle parts & accessories | 3.12M | 3.58% | 3.58% | $298.03B | May 14, 2025 | ▼ 85.6K |
FULLER & THALER ASSET MANAGEMENT, INC. motor vehicle parts & accessories | 2.63M | 3.02% | 3.02% | $251.64B | May 13, 2025 | ▼ 22.7K |
LSV ASSET MANAGEMENT motor vehicle parts & accessories | 2.62M | 3.02% | 3.02% | $251.12B | May 9, 2025 | ▼ 224.4K |
LOOMIS SAYLES & CO L P motor vehicle parts & accessories | 2.59M | 2.98% | 2.98% | $247.76B | May 14, 2025 | ▲ 211.0K |
LONDON CO OF VIRGINIA motor vehicle parts & accessories | 2.45M | 2.82% | 2.82% | $234.57B | May 15, 2025 | ▼ 103.8K |
BURGUNDY ASSET MANAGEMENT LTD. motor vehicle parts & accessories | 2.23M | 2.57% | 2.57% | $213.77B | May 13, 2025 | ▼ 237.3K |
GEODE CAPITAL MANAGEMENT, LLC motor vehicle parts & accessories | 2.07M | 2.38% | 2.38% | $197.77B | May 13, 2025 | ▲ 104.4K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
24
Increased
+3.42M shares1
New Positions
first time holders24
Decreased
−1.63M shares0
Sold Out
fully exitedNet shares change (top 50)
+1.80M
+3.42M / −1.63M
Net new holders
+1
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ALSN insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
17
Buy transactions
15
Sell transactions
1.13
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
EVERITT DAVID C director | May 29, 2026 | Award | 73 | — | — | 3.8K | Form 4 ↗ |
Scroggins Eric C. CLO & Asst. Secretary | May 29, 2026 | Award | 13 | — | — | 50 | Form 4 ↗ |
Graziosi David S. Chair, President and CEO | May 29, 2026 | Award | 144 | — | — | 668 | Form 4 ↗ |
BARBOUR D. SCOTT director | May 29, 2026 | Award | 3 | — | — | 3 | Form 4 ↗ |
Bohley G Frederick See Remarks | May 29, 2026 | Award | 39 | — | — | 180 | Form 4 ↗ |
Christman Philip J director | May 29, 2026 | Award | 3 | — | — | 3 | Form 4 ↗ |
Perna Gustave director | May 29, 2026 | Award | 3 | — | — | 3 | Form 4 ↗ |
Price Michael Craig See Remarks | May 29, 2026 | Award | 42 | — | — | 84 | Form 4 ↗ |
Ostojic Sasha director | May 29, 2026 | Award | 3 | — | — | 3 | Form 4 ↗ |
HAZNEDAR CAROLANN I director | May 29, 2026 | Award | 59 | — | — | 1.6K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Allison Transmission Holdings, Inc. (ALSN) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 0.90%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Allison Transmission Holdings, Inc. is FMR LLC, holding approximately 12.82 million shares — equal to 14.74% of outstanding shares — as of March 31, 2025.
A total of 522 institutional investors currently hold ALSN stock, with a combined institutional value of approximately $7.97 billion as of the most recent 13F filing period.
Frequently asked questions
ALSN ownershipAllison Transmission Holdings, Inc. (ALSN) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is FMR LLC with a 14.74% stake. Company insiders hold 0.90%. Data sourced from SEC Form 13F as of March 31, 2025.