IES Holdings, Inc.
US ˙ NasdaqGM ˙ US44951W1062

SecurityIESC / IES Holdings, Inc.
InstitutionDimensional Fund Advisors Lp
Latest Disclosed Ownership457,949 shares
Latest Disclosed Value $ 218,149,582
Dimensional Fund Advisors Lp reports 0.19% increase in ownership of IESC / IES Holdings, Inc.

On May 7, 2026 - Dimensional Fund Advisors Lp filed a 13F-HR form disclosing ownership of 457,949 shares of IES Holdings, Inc. (US:IESC) valued at $218,198,960 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 457,067 shares of IES Holdings, Inc.. This represents a change in shares of 0.19% during the quarter. The current value of the position is $330,053,003 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)
2026-05-07 2026-03-31 13F IES HOLDINGS COM 44951W106 457,949 882 0.19 218,150 22.68 0.0098
2026-02-12 2025-12-31 13F IES HLDGS COM 44951W106 457,067 -45,691 -9.09 177,814 -11.05 0.0373
2025-11-12 2025-09-30 13F IES HLDGS COM 44951W106 502,758 -59,916 -10.65 199,905 19.93 0.0429
2025-08-12 2025-06-30 13F IES HLDGS COM 44951W106 562,674 -80,636 -12.53 166,678 56.93 0.0386
2025-05-13 2025-03-31 13F IES HLDGS COM 44951W106 643,310 -20,625 -3.11 106,213 -20.40 0.0264
2025-02-13 2024-12-31 13F IES HLDGS COM 44951W106 663,935 -15,020 -2.21 133,431 -1.55 0.0320
2024-11-07 2024-09-30 13F IES HLDGS COM 44951W106 678,955 -42,134 -5.84 135,532 34.90 0.0329
2024-08-09 2024-06-30 13F IES HLDGS COM 44951W106 721,089 -6,268 -0.86 100,468 13.55 0.0262
2024-05-10 2024-03-31 13F IES HLDGS COM 44951W106 727,357 -1,475 -0.20 88,476 53.23 0.0240
2024-02-07 2023-12-31 13F IES HLDGS COM 44951W106 728,832 7,680 1.06 57,739 21.55 0.0169
2023-11-09 2023-09-30 13F IES HLDGS COM 44951W106 721,152 13,253 1.87 47,503 17.98 0.0156
2023-08-09 2023-06-30 13F IES HLDGS COM 44951W106 707,899 9,445 1.35 40,266 33.79 0.0128
2023-05-12 2023-03-31 13F IES HLDGS COM 44951W106 698,454 -2,964 -0.42 30,095 125,295.83 0.0101
2023-02-09 2022-12-31 13F IES HLDGS COM 44951W106 701,418 10,446 1.51 25 -99.87 0.0074
2022-11-10 2022-09-30 13F IES HLDGS COM 44951W106 690,972 23,944 3.59 19,086 -5.16 0.0073
2022-08-12 2022-06-30 13F IES HLDGS COM 44951W106 667,028 23,347 3.63 20,124 -22.23 0.0072
2022-05-13 2022-03-31 13F IES HLDGS COM 44951W106 643,681 -3,624 -0.56 25,877 -21.06 0.0080
2022-02-09 2021-12-31 13F IES HLDGS COM 44951W106 647,305 -10,436 -1.59 32,779 9.07 0.0099
2021-11-12 2021-09-30 13F IES HLDGS COM 44951W106 657,741 -1,038 -0.16 30,052 -11.18 0.0097
2021-08-12 2021-06-30 13F IES HLDGS COM 44951W106 658,779 -20,694 -3.05 33,835 -1.22 0.0107
2021-05-14 2021-03-31 13F IES HLDGS COM 44951W106 679,473 -20,608 -2.94 34,252 6.27 0.0113
2021-03-08 2020-12-31 13F/A-2 IES HLDGS COM 44951W106 700,081 -9,597 -1.35 32,232 42.96 0.0116
2021-02-11 2020-12-31 13F IES HLDGS COM 44951W106 700,081 -9,597 32,232 11,640.4852
2020-11-12 2020-09-30 13F IES HLDGS COM 44951W106 709,678 -16,460 -2.27 22,546 34.01 0.0096
2020-08-13 2020-06-30 13F IES HLDGS COM 44951W106 726,138 -5,698 -0.78 16,824 30.25 0.0074
2020-05-14 2020-03-31 13F IES HLDGS COM 44951W106 731,836 5,159 0.71 12,917 -30.73 0.0067
2020-02-14 2019-12-31 13F IES HLDGS COM 44951W106 726,677 -5,168 -0.71 18,647 23.74 0.0068
2019-11-12 2019-09-30 13F IES HLDGS COM 44951W106 731,845 -3,829 -0.52 15,069 8.67 0.0059
2019-08-13 2019-06-30 13F IES HLDGS COM 44951W106 735,674 5,516 0.76 13,867 6.87 0.0054
2019-08-12 2019-03-31 13F/A-2 IES HLDGS COM 44951W106 730,158 -2,813 -0.38 12,975 13.84 0.0052
2019-05-10 2019-03-31 13F IES HLDGS COM 44951W106 730,158 -2,813 12,975
2019-02-26 2018-12-31 13F/A-1 IES HLDGS COM 44951W106 732,971 0 0.00 11,398 -20.25 0.0052
2019-02-13 2018-12-31 13F IES HLDGS COM 44951W106 732,971 11,398
2018-11-13 2018-09-30 13F IES HLDGS COM 44951W106 732,971 -1,467 -0.20 14,293 16.18 0.0054
2018-08-10 2018-06-30 13F IES HLDGS COM 44951W106 734,438 -1,392 -0.19 12,302 10.35 0.0049
2018-05-11 2018-03-31 13F IES HLDGS COM 44951W106 735,830 -1,109 -0.15 11,148 -12.30 0.0046
2018-02-12 2017-12-31 13F IES HLDGS COM 44951W106 736,939 1,699 0.23 12,712 -0.06 0.0053
2017-11-13 2017-09-30 13F IES HLDGS COM 44951W106 735,240 -5,062 -0.68 12,720 -5.33 0.0056
2017-08-11 2017-06-30 13F IES HLDGS COM 44951W106 740,302 4,514 0.61 13,436 0.89 0.0062
2017-05-12 2017-03-31 13F IES HLDGS COM 44951W106 735,788 59,631 8.82 13,318 2.86 0.0064
2017-02-09 2016-12-31 13F IES HLDGS COM 44951W106 676,157 159,343 30.83 12,948 40.83 0.0065
2016-11-10 2016-09-30 13F IES HLDGS COM 44951W106 516,814 27,538 5.63 9,194 51.29 0.0050
2016-08-09 2016-06-30 13F IES HLDGS COM 44951W106 489,276 34,800 7.66 6,077 -8.85 0.0035
2016-05-13 2016-03-31 13F INTEGRATED ELECTRICAL SVC COM 45811E301 454,476 72,363 18.94 6,667 57.61 0.0040
2016-02-10 2015-12-31 13F INTEGRATED ELECTRICAL SVC COM 45811E301 382,113 1,164 0.31 4,230 43.83 0.0026
2015-11-13 2015-09-30 13F INTEGRATED ELECTRICAL SVC COM 45811E301 380,949 1,263 0.33 2,941 9.09 0.0019
2015-08-14 2015-06-30 13F INTEGRATED ELECTRICAL SVC COM 45811E301 379,686 4,484 1.20 2,696 -18.35 0.0017
2015-05-14 2015-03-31 13F INTEGRATED ELECTRICAL SVC COM 45811E301 375,202 -2,307 -0.61 3,302 12.12 0.0021
2015-02-06 2014-12-31 13F INTEGRATED ELECTRICAL SVC COM 45811E301 377,509 -1,306 -0.34 2,945 -5.76 0.0019
2014-11-13 2014-09-30 13F INTEGRATED ELECTRICAL SVC COM 45811E301 378,815 62,899 19.91 3,125 51.26 0.0022
2014-08-08 2014-06-30 13F INTEGRATED ELECTRICAL SVC COM 45811E301 315,916 -2,351 -0.74 2,066 4.55 0.0014
2014-05-14 2014-03-31 13F INTEGRATED ELECTRICAL SVC COM 45811E301 318,267 0 0.00 1,976 15.22 0.0015
2014-02-12 2013-12-31 13F INTEGRATED ELECTRICAL SVC COM 45811E301 318,267 -600 -0.19 1,715 32.43 0.0013
2013-11-13 2013-09-30 13F INTEGRATED ELECTRICAL SVC COM 45811E301 318,867 -1,010 -0.32 1,295 -9.00 0.0011
2013-08-15 2013-06-30 13F INTEGRATED ELECTRICAL SVC COM 45811E301 319,877 319,877 1,423 0.0013
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.