Arcosa, Inc.
MX ˙ BMV ˙ US0396531008
SecurityMX:ACA / Arcosa, Inc.
InstitutionImpax Asset Management Group plc
Latest Disclosed Ownership171,500 shares
Latest Disclosed Value $ 18,203,010
Impax Asset Management Group plc reports 9.58% increase in ownership of ACA / Arcosa, Inc.

On May 12, 2026 - Impax Asset Management Group plc filed a 13F-HR form disclosing ownership of 171,500 shares of Arcosa, Inc. (MX:ACA) valued at $18,203,010 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 29, 2026 disclosing 156,500 shares of Arcosa, Inc.. This represents a change in shares of 9.58% during the quarter.

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.

Upgrade to unlock premium data and export to Excel .

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)
2026-05-12 2026-03-31 13F Arcosa Common Stock 039653100 171,500 15,000 9.58 18,203 9.40 0.1269
2026-01-29 2025-12-31 13F Arcosa Common Stock 039653100 156,500 15,000 10.60 16,639 25.49 0.1041
2025-11-06 2025-09-30 13F Arcosa Common Stock 039653100 141,500 60,500 74.69 13,260 88.79 0.0774
2025-08-08 2025-06-30 13F Arcosa Common Stock 039653100 81,000 0 0.00 7,024 12.44 0.0404
2025-04-29 2025-03-31 13F Arcosa Common Stock 039653100 81,000 -46,500 -36.47 6,247 -49.36 0.0376
2025-02-04 2024-12-31 13F Arcosa Common Stock 039653100 127,500 -42,500 -25.00 12,334 -23.43 0.0559
2024-11-06 2024-09-30 13F/A-1 Arcosa Common Stock 039653100 170,000 0 0.00 16,109 13.61 0.0634
2024-10-30 2024-09-30 13F Arcosa Common Stock 039653100 170,000 0 16,109 0.0635
2024-11-08 2024-06-30 13F/A-1 Arcosa Common Stock 039653100 170,000 0 0.00 14,180 -2.86 0.0577
2024-08-05 2024-06-30 13F Arcosa Common Stock 039653100 170,000 0 14,180 0.0578
2024-04-30 2024-03-31 13F Arcosa Common Stock 039653100 170,000 15,000 9.68 14,596 13.95 0.0559
2024-01-26 2023-12-31 13F Arcosa Common Stock 039653100 155,000 90,000 138.46 12,809 174.11 0.0514
2023-11-07 2023-09-30 13F/A-1 Arcosa Common Stock 039653100 65,000 65,000 4,674 0.0209
2023-11-07 2023-09-30 13F Arcosa Common Stock 039653100 65,000 4,674
2020-11-12 2020-09-30 13F Arcosa Common Stock 039653100 0 -105,000 -100.00 0 -100.00
2020-08-14 2020-06-30 13F Arcosa Common Stock 039653100 105,000 105,000 4,431 0.0455
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.