Donaldson Company, Inc.
US ˙ NYSE ˙ US2576511099

SecurityDCI / Donaldson Company, Inc.
InstitutionWetherby Asset Management Inc
Latest Disclosed Ownership4,008 shares
Latest Disclosed Value $ 328,055
Wetherby Asset Management Inc reports 4.27% increase in ownership of DCI / Donaldson Company, Inc.

On November 14, 2025 - Wetherby Asset Management Inc filed a 13F-HR form disclosing ownership of 4,008 shares of Donaldson Company, Inc. (US:DCI) valued at $328,055 USD as of September 30, 2025. The entity filed a previous 13F-HR on August 14, 2025 disclosing 3,844 shares of Donaldson Company, Inc.. This represents a change in shares of 4.27% during the quarter. The current value of the position is $335,269 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.

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)
2025-11-14 2025-09-30 13F DONALDSON COM 257651109 4,008 164 4.27 328 23.31 0.0134
2025-08-14 2025-06-30 13F DONALDSON COM 257651109 3,844 -37 -0.95 267 1.92 0.0119
2025-02-14 2024-12-31 13F DONALDSON COM 257651109 3,881 -89 -2.24 261 -10.62 0.0125
2024-11-14 2024-09-30 13F DONALDSON COM 257651109 3,970 0 0.00 293 2.82 0.0134
2024-08-14 2024-06-30 13F DONALDSON COM 257651109 3,970 -1,654 -29.41 284 -32.38 0.0134
2024-05-15 2024-03-31 13F DONALDSON COM 257651109 5,624 0 0.00 420 14.44 0.0200
2024-02-14 2023-12-31 13F DONALDSON COM 257651109 5,624 29 0.52 368 10.21 0.0191
2023-11-14 2023-09-30 13F DONALDSON COM 257651109 5,595 0 0.00 334 -4.58 0.0189
2023-08-14 2023-06-30 13F DONALDSON COM 257651109 5,595 -36 -0.64 350 -4.90 0.0188
2023-05-12 2023-03-31 13F DONALDSON COM 257651109 5,631 61 1.10 368 12.23 0.0215
2023-02-14 2022-12-31 13F DONALDSON COM 257651109 5,570 102 1.87 328 22.01 0.0211
2022-11-14 2022-09-30 13F DONALDSON COM 257651109 5,468 185 3.50 268 5.51 0.0189
2022-08-15 2022-06-30 13F DONALDSON COM 257651109 5,283 -700 -11.70 254 -18.33 0.0173
2022-05-16 2022-03-31 13F DONALDSON COM 257651109 5,983 48 0.81 311 -11.65 0.0178
2022-02-14 2021-12-31 13F DONALDSON COM 257651109 5,935 -97 -1.61 352 1.73 0.0198
2021-11-15 2021-09-30 13F DONALDSON COM 257651109 6,032 -85 -1.39 346 -11.05 0.0214
2021-08-16 2021-06-30 13F DONALDSON COM 257651109 6,117 0 0.00 389 9.27 0.0237
2021-05-14 2021-03-31 13F DONALDSON COM 257651109 6,117 0 0.00 356 4.09 0.0271
2021-02-11 2020-12-31 13F DONALDSON COM 257651109 6,117 6,048 8,765.22 342 11,300.00 0.0232
2020-12-16 2020-09-30 13F/A-01 DONALDSON COM 257651109 6,435 -123 299 0.0274
2020-12-16 2020-09-30 13F/A-02 DONALDSON COM 257651109 69 -6,489 -98.95 3 -99.02 0.0090
2020-11-13 2020-09-30 13F DONALDSON COM 257651109 6,504 -54 302 19,209.8517
2020-08-14 2020-06-30 13F DONALDSON COM 257651109 6,558 57 0.88 305 21.51 0.0289
2020-05-06 2020-03-31 13F DONALDSON COM 257651109 6,501 315 5.09 251 -29.49 0.0282
2020-01-28 2019-12-31 13F DONALDSON COM 257651109 6,186 0 0.00 356 10.56 0.0351
2019-10-31 2019-09-30 13F DONALDSON COM 257651109 6,186 73 1.19 322 3.54 0.0336
2019-07-25 2019-06-30 13F DONALDSON COM 257651109 6,113 0 0.00 311 1.63 0.0340
2019-07-25 2019-03-31 13F/A-1 DONALDSON COM 257651109 6,113 -1,575 -20.49 306 -8.38 0.0381
2019-05-09 2019-03-31 13F DONALDSON COM 257651109 6,113 -1,575 306
2019-01-30 2018-12-31 13F DONALDSON COM 257651109 7,688 -441 -5.43 334 -29.54 0.0472
2018-11-07 2018-09-30 13F DONALDSON COM 257651109 8,129 53 0.66 474 30.22 0.0585
2018-07-24 2018-06-30 13F DONALDSON COM 257651109 8,076 -28 -0.35 364 -0.27 0.0493
2018-05-04 2018-03-31 13F DONALDSON COM 257651109 8,104 0 0.00 365 -8.06 0.0504
2018-02-09 2017-12-31 13F DONALDSON COM 257651109 8,104 69 0.86 397 7.59 0.0551
2017-11-13 2017-09-30 13F DONALDSON COM 257651109 8,035 29 0.36 369 1.10 0.0549
2017-08-01 2017-06-30 13F DONALDSON COM 257651109 8,006 -116 -1.43 365 -1.35 0.0621
2017-04-27 2017-03-31 13F DONALDSON COM 257651109 8,122 0 0.00 370 8.19 0.0665
2017-02-08 2016-12-31 13F DONALDSON COM 257651109 8,122 49 0.61 342 13.62 0.0670
2016-11-14 2016-09-30 13F DONALDSON COM 257651109 8,073 -60 -0.74 301 7.89 0.0609
2016-08-10 2016-06-30 13F DONALDSON COM 257651109 8,133 83 1.03 279 8.56 0.0619
2016-05-10 2016-03-31 13F DONALDSON COM 257651109 8,050 844 11.71 257 24.15 0.0606
2016-02-08 2015-12-31 13F DONALDSON COM 257651109 7,206 -377 -4.97 207 -2.82 0.0496
2015-11-12 2015-09-30 13F DONALDSON COM 257651109 7,583 29 0.38 213 -21.11 0.0546
2015-08-12 2015-06-30 13F DONALDSON COM 257651109 7,554 -72 -0.94 270 -6.25 0.0649
2015-05-08 2015-03-31 13F DONALDSON COM 257651109 7,626 766 11.17 288 8.68 0.0701
2015-02-12 2014-12-31 13F DONALDSON COM 257651109 6,860 -787 -10.29 265 -14.79 0.0666
2014-11-03 2014-09-30 13F DONALDSON COM 257651109 7,647 378 5.20 311 0.97 0.0867
2014-08-01 2014-06-30 13F DONALDSON COM 257651109 7,269 23 0.32 308 0.33 0.0869
2014-05-05 2014-03-31 13F/A-1 DONALDSON COM 257651109 7,246 23 0.32 307 -2.23 0.0880
2014-04-30 2014-03-31 13F DONALDSON COM 257651109 7,246 307
2014-01-29 2013-12-31 13F DONALDSON COM 257651109 7,223 111 1.56 314 15.87 0.0896
2013-10-29 2013-09-30 13F DONALDSON COM 257651109 7,112 0 0.00 271 6.69 0.0846
2013-07-24 2013-06-30 13F DONALDSON COM 257651109 7,112 7,112 254 0.0885
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.