Allison Transmission Holdings Inc (ALSN) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Time period
Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-04-29
4:37 pm
Purchase
2026-03-3113GALLISON TRANSMISSION HLDGS INC
ALSN
VANGUARD CAPITAL MANAGEMENT LLC4,340,063
5.220%
4,340,063increase
(New Position)
Filing
History
2026-04-28
3:51 pm
Purchase
2026-03-3113GALLISON TRANSMISSION HLDGS INC
ALSN
Vanguard Portfolio Management4,210,532
5.060%
4,210,532increase
(New Position)
Filing
History
2026-03-26
3:25 pm
Sale
2026-03-1313GALLISON TRANSMISSION HLDGS INC
ALSN
VANGUARD GROUP INC0
0.000%
-9,871,911decrease
(Position Closed)
Filing
History
2025-02-13
4:00 pm
Sale
2024-09-3013GALLISON TRANSMISSION HLDGS INC
ALSN
Burgundy Asset Management Ltd.3,043,836
3.490%
-1,452,964decrease
(-32.31%)
Filing
History
2024-11-12
09:50 am
Purchase
2024-11-0813GALLISON TRANSMISSION HLDGS INC
ALSN
FMR LLC12,745,693
14.627%
2,800,422increase
(+28.16%)
Filing
History
2024-02-13
5:04 pm
Sale
2023-12-3113GALLISON TRANSMISSION HLDGS INC
ALSN
Burgundy Asset Management Ltd.4,496,800
5.025%
-838,531decrease
(-15.72%)
Filing
History
2024-02-13
4:59 pm
Sale
2023-12-2913GALLISON TRANSMISSION HLDGS INC
ALSN
VANGUARD GROUP INC9,871,911
11.030%
-1,688,136decrease
(-14.60%)
Filing
History
2024-02-09
08:35 am
Sale
2024-02-0813GALLISON TRANSMISSION HLDGS INC
ALSN
FMR LLC9,945,271
11.113%
-435,444decrease
(-4.19%)
Filing
History
2023-02-10
09:03 am
Sale
2022-12-3113GALLISON TRANSMISSION HLDGS INC
ALSN
Burgundy Asset Management Ltd.5,335,331
5.769%
-788,962decrease
(-12.88%)
Filing
History
2023-02-09
11:07 am
Sale
2022-12-3013GALLISON TRANSMISSION HLDGS INC
ALSN
VANGUARD GROUP INC11,560,047
12.500%
-961,067decrease
(-7.68%)
Filing
History
2023-02-09
08:23 am
Purchase
2023-02-0913GALLISON TRANSMISSION HLDGS INC
ALSN
FMR LLC10,380,715
11.223%
518,774increase
(+5.26%)
Filing
History
2022-11-10
11:55 am
Purchase
2022-11-0913GALLISON TRANSMISSION HLDGS INC
ALSN
FMR LLC9,861,941
10.662%
1,022,992increase
(+11.57%)
Filing
History
2022-09-12
11:13 am
Sale
2022-09-0913GALLISON TRANSMISSION HLDGS INC
ALSN
FMR LLC8,838,949
9.183%
-6,799,964decrease
(-43.48%)
Filing
History
2022-02-14
12:59 pm
Sale
2021-12-3113GALLISON TRANSMISSION HLDGS INC
ALSN
Boston Partners1,850,003
1.770%
-4,461,979decrease
(-70.69%)
Filing
History
2022-02-14
11:04 am
Sale
2021-12-3113GALLISON TRANSMISSION HLDGS INC
ALSN
Burgundy Asset Management Ltd.6,124,293
5.874%
-181,019decrease
(-2.87%)
Filing
History
2022-02-10
3:20 pm
Sale
2021-12-3113GALLISON TRANSMISSION HLDGS INC
ALSN
Renaissance Technologies LLC3,804,119
3.650%
-2,198,032decrease
(-36.62%)
Filing
History
2022-02-09
3:24 pm
Purchase
2021-12-3113GALLISON TRANSMISSION HLDGS INC
ALSN
VANGUARD GROUP INC12,521,114
12.010%
1,050,381increase
(+9.16%)
Filing
History
2022-02-09
09:09 am
Sale
2022-02-0813GALLISON TRANSMISSION HLDGS INC
ALSN
FMR LLC15,638,913
14.999%
-35,090decrease
(-0.22%)
Filing
History