Arcosa, Inc.
US ˙ NYSE ˙ US0396531008

SecurityACA / Arcosa, Inc.
InstitutionNatixis Advisors, L.p.
Latest Disclosed Ownership56,433 shares
Latest Disclosed Value $ 5,990
Natixis Advisors, L.p. reports 6.30% increase in ownership of ACA / Arcosa, Inc.

On May 13, 2026 - Natixis Advisors, L.p. filed a 13F-HR form disclosing ownership of 56,433 shares of Arcosa, Inc. (US:ACA) valued at $5,989,799 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 53,089 shares of Arcosa, Inc.. This represents a change in shares of 6.30% during the quarter. The current value of the position is $6,986,405 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)
2026-05-13 2026-03-31 13F ARCOSA COM 039653100 56,433 3,344 6.30 6 0.00 0.0083
2026-02-10 2025-12-31 13F ARCOSA COM 039653100 53,089 -4,977 -8.57 6 0.00 0.0080
2025-11-13 2025-09-30 13F ARCOSA COM 039653100 58,066 31,257 116.59 5 150.00 0.0079
2025-08-13 2025-06-30 13F ARCOSA COM 039653100 26,809 3,819 16.61 2 100.00 0.0037
2025-05-08 2025-03-31 13F ARCOSA COM 039653100 22,990 -2,879 -11.13 2 -50.00 0.0033
2025-02-10 2024-12-31 13F ARCOSA COM 039653100 25,869 -13,823 -34.83 3 -33.33 0.0047
2024-11-06 2024-09-30 13F ARCOSA COM 039653100 39,692 3,013 8.21 4 0.00 0.0073
2024-08-01 2024-06-30 13F ARCOSA COM 039653100 36,679 -227 -0.62 3 0.00 0.0067
2024-04-25 2024-03-31 13F ARCOSA COM 039653100 36,906 -107 -0.29 3 0.00 0.0073
2024-02-06 2023-12-31 13F ARCOSA COM 039653100 37,013 -32,330 -46.62 3 -25.00 0.0080
2023-11-13 2023-09-30 13F ARCOSA COM 039653100 69,343 22,062 46.66 5 33.33 0.0152
2023-08-15 2023-06-30 13F ARCOSA COM 039653100 47,281 -923 -1.91 4 0.00 0.0111
2023-05-11 2023-03-31 13F ARCOSA COM 039653100 48,204 2,081 4.51 3 50.00 0.0105
2023-01-27 2022-12-31 13F ARCOSA COM 039653100 46,123 -3,182 -6.45 3 -99.93 0.0095
2022-11-14 2022-09-30 13F ARCOSA COM 039653100 49,305 1,107 2.30 2,819 26.02 0.0119
2022-08-12 2022-06-30 13F ARCOSA COM 039653100 48,198 991 2.10 2,237 -17.24 0.0098
2022-05-12 2022-03-31 13F ARCOSA COM 039653100 47,207 1,647 3.62 2,703 12.58 0.0103
2022-02-08 2021-12-31 13F ARCOSA COM 039653100 45,560 3,234 7.64 2,401 13.04 0.0092
2021-11-15 2021-09-30 13F ARCOSA COM 039653100 42,326 -155 -0.36 2,124 -14.87 0.0087
2021-08-12 2021-06-30 13F ARCOSA COM 039653100 42,481 -912 -2.10 2,495 -11.65 0.0116
2021-05-05 2021-03-31 13F ARCOSA COM 039653100 43,393 -2,844 -6.15 2,824 11.22 0.0147
2021-02-12 2020-12-31 13F ARCOSA COM 039653100 46,237 -56,475 -54.98 2,539 -43.93 0.0146
2020-11-12 2020-09-30 13F ARCOSA COM 039653100 102,712 -502 -0.49 4,528 3.95 0.0285
2020-08-11 2020-06-30 13F ARCOSA COM 039653100 103,214 7,077 7.36 4,356 14.03 0.0289
2020-04-27 2020-03-31 13F ARCOSA COM 039653100 96,137 7,605 8.59 3,820 -3.14 0.0311
2020-02-10 2019-12-31 13F ARCOSA COM 039653100 88,532 658 0.75 3,944 31.20 0.0278
2019-11-12 2019-09-30 13F ARCOSA COM 039653100 87,874 -16,930 -16.15 3,006 -23.78 0.0239
2019-08-12 2019-06-30 13F ARCOSA COM 039653100 104,804 -2,861 -2.66 3,944 19.88 0.0322
2019-05-15 2019-03-31 13F/A-1 ARCOSA COM 039653100 107,665 26,649 32.89 3,290 46.68 0.0288
2019-05-15 2019-03-31 13F ARCOSA COM 039653100 107,665 26,649 3,290
2019-02-13 2018-12-31 13F/A-1 ARCOSA COM 039653100 81,016 81,016 2,243 0.0221
2019-02-13 2018-12-31 13F ARCOSA COM 039653100 81,016 2,243 0.0221
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.