Installed Building Products, Inc.
US ˙ NYSE ˙ US45780R1014

SecurityIBP / Installed Building Products, Inc.
InstitutionBoston Trust Walden Corp
Latest Disclosed Ownership172,829 shares
Latest Disclosed Value $ 45,825,609
Boston Trust Walden Corp reports 24.92% decrease in ownership of IBP / Installed Building Products, Inc.

On April 24, 2026 - Boston Trust Walden Corp filed a 13F-HR form disclosing ownership of 172,829 shares of Installed Building Products, Inc. (US:IBP) valued at $45,825,609 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 28, 2026 disclosing 230,205 shares of Installed Building Products, Inc.. This represents a change in shares of -24.92% during the quarter. The current value of the position is $34,866,522 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)
2026-04-24 2026-03-31 13F INSTALLED BLDG PRODS COMMON STOCK 45780R101 172,829 -57,376 -24.92 45,826 -23.26 0.2253
2026-01-28 2025-12-31 13F INSTALLED BLDG PRODS COMMON STOCK 45780R101 230,205 -36,688 -13.75 59,713 -9.30 0.4507
2025-10-17 2025-09-30 13F INSTALLED BLDG PRODS COMMON STOCK 45780R101 266,893 -27,575 -9.36 65,832 23.98 0.4830
2025-07-28 2025-06-30 13F INSTALLED BLDG PRODS COMMON STOCK 45780R101 294,468 36,212 14.02 53,098 19.91 0.3787
2025-04-21 2025-03-31 13F INSTALLED BLDG PRODS COMMON STOCK 45780R101 258,256 93,411 56.67 44,281 53.28 0.3235
2025-01-24 2024-12-31 13F INSTALLED BLDG PRODS COMMON STOCK 45780R101 164,845 30,840 23.01 28,889 -12.46 0.2027
2024-10-24 2024-09-30 13F INSTALLED BLDG PRODS COMMON STOCK 45780R101 134,005 -3,014 -2.20 33,001 17.10 0.2296
2024-07-19 2024-06-30 13F INSTALLED BLDG PRODS COMMON STOCK 45780R101 137,019 152 0.11 28,182 -20.41 0.2090
2024-04-22 2024-03-31 13F INSTALLED BLDG PRODS COMMON STOCK 45780R101 136,867 136,867 35,412 0.2526
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.