Allison Transmission Holdings, Inc.
US ˙ NYSE ˙ US01973R1014

SecurityALSN / Allison Transmission Holdings, Inc.
InstitutionParallel Advisors, LLC
Latest Disclosed Ownership1,710 shares
Latest Disclosed Value $ 167,432
Parallel Advisors, LLC reports 8.71% increase in ownership of ALSN / Allison Transmission Holdings, Inc.

On February 11, 2026 - Parallel Advisors, LLC filed a 13F-HR form disclosing ownership of 1,710 shares of Allison Transmission Holdings, Inc. (US:ALSN) valued at $167,409 USD as of December 31, 2025. The entity filed a previous 13F-HR on November 13, 2025 disclosing 1,573 shares of Allison Transmission Holdings, Inc.. This represents a change in shares of 8.71% during the quarter. The current value of the position is $203,576 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-02-11 2025-12-31 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 1,710 137 8.71 167 25.56 0.0031
2025-11-13 2025-09-30 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 1,573 -625 -28.43 134 -36.06 0.0024
2025-07-08 2025-06-30 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 2,198 303 15.99 209 14.92 0.0042
2025-04-08 2025-03-31 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 1,895 -345 -15.40 181 -25.21 0.0041
2025-02-10 2024-12-31 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 2,240 410 22.40 242 38.29 0.0054
2024-11-13 2024-09-30 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 1,830 11 0.60 176 26.81 0.0041
2024-08-08 2024-06-30 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 1,819 14 0.78 138 -5.48 0.0035
2024-05-06 2024-03-31 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 1,805 205 12.81 146 56.99 0.0040
2024-02-12 2023-12-31 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 1,600 -75 -4.48 93 -5.10 0.0028
2024-05-20 2023-09-30 13F/A-1 ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 1,675 18 1.09 99 5.38 0.0033
2023-11-14 2023-09-30 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 1,675 18 99 0.0033
2024-05-20 2023-06-30 13F/A-1 ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 1,657 905 120.35 94 173.53 0.0030
2023-08-04 2023-06-30 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 1,657 905 94 0.0030
2024-05-20 2023-03-31 13F/A-1 ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 752 174 30.10 34 41.67 0.0011
2023-04-25 2023-03-31 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 752 174 34 0.0011
2023-02-06 2022-12-31 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 578 -26 -4.30 24 20.00 0.0010
2022-11-10 2022-09-30 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 604 -253 -29.52 20 -39.39 0.0009
2022-08-01 2022-06-30 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 857 118 15.97 33 10.00 0.0015
2022-04-28 2022-03-31 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 739 60 8.84 30 20.00 0.0012
2022-01-20 2021-12-31 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 679 -92 -11.93 25 -7.41 0.0009
2021-11-02 2021-09-30 13F/A-1 ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 771 178 30.02 27 12.50 0.0011
2021-10-22 2021-09-30 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 593 0 24 0.0010
2021-08-06 2021-06-30 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 593 48 8.81 24 9.09 0.0010
2021-04-23 2021-03-31 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 545 0 0.00 22 -8.33 0.0010
2021-02-02 2020-12-31 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 545 -210 -27.81 24 -11.11 0.0013
2020-10-27 2020-09-30 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 755 -143 -15.92 27 -18.18 0.0017
2020-07-16 2020-06-30 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 898 -638 -41.54 33 -34.00 0.0022
2020-04-27 2020-03-31 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 1,536 1,043 211.56 50 108.33 0.0040
2020-01-30 2019-12-31 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 493 34 7.41 24 9.09 0.0018
2019-11-01 2019-09-30 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 459 16 3.61 22 4.76 0.0019
2019-08-05 2019-06-30 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 443 0 0.00 21 5.00 0.0020
2019-05-01 2019-03-31 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 443 0 0.00 20 5.26 0.0022
2019-02-05 2018-12-31 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 443 0 0.00 19 -17.39 0.0026
2018-11-01 2018-09-30 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 443 -11 -2.42 23 27.78 0.0029
2018-07-30 2018-06-30 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 454 0 0.00 18 0.00 0.0026
2018-05-08 2018-03-31 13F ALLISON TRANSMISSIONHOLDINGS INC COM USD0.01 Stock 01973R101 454 0 0.00 18 -10.00 0.0028
2018-02-13 2017-12-31 13F ALLISON TRANSMISSION HLDGS INC COM Stock 01973R101 454 0 0.00 20 5.26 0.0033
2017-11-15 2017-09-30 13F/A-1 ALLISON TRANSMISSION HLDGS INC COM Stock 01973R101 454 0 0.00 19 11.76 0.0033
2017-08-07 2017-06-30 13F ALLISON TRANSMISSION HLDGS INC COM Stock 01973R101 454 28 6.57 17 6.25 0.0032
2017-05-12 2017-03-31 13F/A-1 ALLISON TRANSMISSION HLDGS INC COM Stock 01973R101 426 263 161.35 16 220.00 0.0032
2017-05-12 2017-03-31 13F ALLISON TRANSMISSION HLDGS INC COM Stock 01973R101 426 16
2017-02-14 2016-12-31 13F ALLISON TRANSMISSION HLDGS INC COM Stock 01973R101 163 163 5 0.0012
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.