Allison Transmission Holdings, Inc. (ALSN) Institutional Ownership & Insider Trading

568 institutions reported holding Allison Transmission Holdings, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 12 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

ALSNAllison Transmission Holdings, Inc.Follow ALSN — free

Auto Parts · Consumer Cyclical

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Market cap: 8.8B
P/E TTM: 16.9
Dividend yield: 1.1%
52-week: —
Next earnings: 2 Nov, in 9 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

568 institutions held —% of the shares. Across filers that reported both quarters, shares held changed -0.1%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	568	85	-0.1%	150	61	208	48
Mar 26	551	84	-2.0%	165	78	171	47
Dec 25	513	87	+4.3%	132	59	192	64
Sep 25	505	84	+1.4%	161	48	181	61
Jun 25	532	84	+1.8%	201	75	135	38
Mar 25	497	82	-1.0%	165	45	180	76
Dec 24	532	84	-0.8%	157	65	183	30
Sep 24	480	83	-1.1%	137	64	153	32

Allison Transmission Holdings, Inc. — questions

Who owns Allison Transmission Holdings, Inc. stock?: 568 institutions reported Allison Transmission Holdings, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: FMR LLC (15.0%), VANGUARD PORTFOLIO MANAGEMENT LLC (4.8%), BlackRock, Inc. (4.8%).
Are Allison Transmission Holdings, Inc. insiders buying or selling?: 12 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Allison Transmission Holdings, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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