$ALSN

$107.19 +$0.87 (0.82%) Close

$ALSN Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 82.6M shares outstanding

Who owns ALSN?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 45.9%

FMR LLC 15.0% · Vanguard Portfolio Management LLC 4.8%

Institutional ownership

100.0%

0 pts vs last qtr

Institutional holders

567

+15 vs last qtr

Net shares bought

+578.3K

by institutions in Q2 2026

New / sold out

83 / 68

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Norges Bank NEW +1.3M
Capital International Investors NEW +846.0K

Biggest sellers in Q2 2026

Fuller & Thaler Asset Management, Inc. −772.5K
Caisse de depot et placement du Quebec SOLD OUT −546.3K

Who is planning to sell?

Notices of proposed sale, last 12 months

$4.22M

9 notices from 7 people

Shares covered

36.8K

0.04% of the company

Arranged in advance

66%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Bohley G Frederick Officer 10b5-1 $1.2M
van Niekerk Teresa Officer $791K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−49.7%

−7.35% a year

Each share's claim on the business

+98.8%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$4B vs $171M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years74% 3–5 years8% 1–3 years6% Under 1 year12%

Quarterly turnover

10.5%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting ALSN on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
F FMR LLC	12.4M	15.04%	−33.4K (−0.3%)	≤2021	0.1%
Shares held by quarter Peak holding13.0M (Q4'24) Change over 8 quarters−328.2K Share of the company15.040% FMR LLC's full portfolio →
VP Vanguard Portfolio Management LLC	4.0M	4.83%	−203.4K (−4.9%)	≤2021	0.0%
Shares held by quarter Peak holding4.2M (Q1'26) Change over 8 quarters+4.0M Share of the company4.830% Vanguard Portfolio Management LLC's full portfolio →

FMR LLC

12.4M

% of company

15.04%

Change vs last qtr

−33.4K (−0.3%)

Held since

≤2021

Vanguard Portfolio Management LLC

4.0M

% of company

4.83%

Change vs last qtr

−203.4K (−4.9%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Allison Transmission Holdings, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting ALSN on Form N-PORT; together they hold 48.2% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$297M	2.6M	3.19%	0.01%	June 30, 2026
FD Fidelity Dividend Growth Fund Fidelity Securities Fund	$233M	2.0M	2.47%	1.96%	July 31, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$297M

% of company

3.19%

% of the fund

0.01%

As of

June 30, 2026

Fidelity Dividend Growth Fund

Fidelity Securities Fund

Position value

$233M

% of company

2.47%

% of the fund

1.96%

As of

July 31, 2026

23 more funds behind a free account

See every fund holding Allison Transmission Holdings, Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
GD Graziosi David S. Insider	304.8K	0.37%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.370% Graziosi David S.'s insider activity →
BG Bohley G Frederick Insider	113.6K	0.14%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.140% Bohley G Frederick's insider activity →

Graziosi David S.

Insider

304.8K

% of company

0.37%

Change vs last qtr

—

Held since

—

Bohley G Frederick

Insider

113.6K

% of company

0.14%

Change vs last qtr

—

Held since

—

13 more holders behind a free account

See every insider and 5%+ holder of Allison Transmission Holdings, Inc..

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