Donaldson Company, Inc.
US ˙ NYSE ˙ US2576511099

SecurityDCI / Donaldson Company, Inc.
InstitutionAdvisor Group Holdings, Inc.
Latest Disclosed Ownership11,015 shares
Latest Disclosed Value $ 935,205
Advisor Group Holdings, Inc. reports 17.15% decrease in ownership of DCI / Donaldson Company, Inc.

On May 15, 2026 - Advisor Group Holdings, Inc. filed a 13F-HR form disclosing ownership of 11,015 shares of Donaldson Company, Inc. (US:DCI) valued at $934,843 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 13,295 shares of Donaldson Company, Inc.. This represents a change in shares of -17.15% during the quarter. The current value of the position is $921,405 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)
2026-05-15 2026-03-31 13F DONALDSON COM 257651109 11,015 -2,280 -17.15 935 -20.70 0.0008
2026-02-17 2025-12-31 13F DONALDSON COM 257651109 13,295 885 7.13 1,179 18.14 0.0017
2025-11-14 2025-09-30 13F DONALDSON COM 257651109 12,410 -992 -7.40 998 7.43 0.0014
2025-09-04 2025-06-30 13F/A-1 DONALDSON COM 257651109 13,402 -497 -3.58 930 -0.32 0.0017
2025-08-13 2025-06-30 13F DONALDSON COM 257651109 14,204 305 962 0.0011
2025-05-12 2025-03-31 13F DONALDSON COM 257651109 13,899 1,677 13.72 932 13.24 0.0021
2025-06-06 2024-12-31 13F/A-1 DONALDSON COM 257651109 12,222 1,676 15.89 823 5.92 0.0018
2025-02-07 2024-12-31 13F DONALDSON COM 257651109 9,409 -1,137 688 0.0018
2024-11-13 2024-09-30 13F DONALDSON COM 257651109 10,546 -1,613 -13.27 777 -10.69 0.0018
2024-08-13 2024-06-30 13F DONALDSON COM 257651109 12,159 -3,887 -24.22 870 -27.38 0.0021
2024-05-10 2024-03-31 13F DONALDSON COM 257651109 16,046 -154 -0.95 1,198 13.13 0.0027
2024-02-12 2023-12-31 13F DONALDSON COM 257651109 16,200 -4,087 -20.15 1,059 -12.48 0.0019
2023-11-13 2023-09-30 13F DONALDSON COM 257651109 20,287 2,896 16.65 1,210 11.32 0.0018
2023-08-21 2023-06-30 13F/A-1 DONALDSON COM 257651109 17,391 -311 -1.76 1,087 -5.89 0.0020
2023-08-10 2023-06-30 13F DONALDSON COM 257651109 17,391 -311 1,087 0.0003
2023-05-12 2023-03-31 13F DONALDSON COM 257651109 17,702 3,701 26.43 1,155 40.17 0.0022
2023-02-10 2022-12-31 13F DONALDSON COM 257651109 14,001 711 5.35 825 26.57 0.0017
2022-11-14 2022-09-30 13F DONALDSON COM 257651109 13,290 1,201 9.93 651 11.66 0.0015
2022-08-10 2022-06-30 13F DONALDSON COM 257651109 12,089 2,029 20.17 583 4.48 0.0013
2022-05-04 2022-03-31 13F DONALDSON COM 257651109 10,060 -752 -6.96 558 -12.81 0.0011
2022-02-03 2021-12-31 13F DONALDSON COM 257651109 10,812 422 4.06 640 7.20 0.0012
2021-11-05 2021-09-30 13F DONALDSON COM 257651109 10,390 79 0.77 597 -8.85 0.0012
2021-08-02 2021-06-30 13F DONALDSON COM 257651109 10,311 76 0.74 655 9.90 0.0014
2021-05-13 2021-03-31 13F DONALDSON COM 257651109 10,235 2,492 32.18 596 37.64 0.0014
2021-02-10 2020-12-31 13F DONALDSON COM 257651109 7,743 -540 -6.52 433 12.76 0.0012
2020-11-12 2020-09-30 13F DONALDSON COM 257651109 8,283 -7,758 -48.36 384 -48.53 0.0011
2020-08-14 2020-06-30 13F DONALDSON COM 257651109 16,041 91 0.57 746 21.10 0.0025
2020-05-18 2020-03-31 13F DONALDSON COM 257651109 15,950 15,950 616 0.0025
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.