Fastenal Company
MX ˙ BMV ˙ US3119001044
SecurityMX:FAST / Fastenal Company
InstitutionDavis R M Inc
Latest Disclosed Ownership8,165 shares
Latest Disclosed Value $ 378,856
Davis R M Inc reports 1.38% decrease in ownership of FAST / Fastenal Company

On May 13, 2026 - Davis R M Inc filed a 13F-HR form disclosing ownership of 8,165 shares of Fastenal Company (MX:FAST) valued at $378,856 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 8,279 shares of Fastenal Company. This represents a change in shares of -1.38% during the quarter.

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 FASTENAL COM 311900104 8,165 -114 -1.38 379 13.86 0.0067
2026-02-12 2025-12-31 13F Fastenal COM 311900104 8,279 -235 -2.76 332 -20.38 0.0057
2025-11-12 2025-09-30 13F Fastenal COM 311900104 8,514 942 12.44 418 31.13 0.0073
2025-08-07 2025-06-30 13F Fastenal COM 311900104 7,572 3,736 97.39 318 7.07 0.0059
2025-05-08 2025-03-31 13F Fastenal COM 311900104 3,836 611 18.95 297 28.57 0.0060
2025-02-07 2024-12-31 13F Fastenal COM 311900104 3,225 -1 -0.03 232 0.43 0.0045
2024-11-13 2024-09-30 13F Fastenal COM 311900104 3,226 1 0.03 230 13.86 0.0045
2024-08-09 2024-06-30 13F Fastenal COM 311900104 3,225 0 0.00 203 -18.55 0.0041
2024-05-10 2024-03-31 13F Fastenal COM 311900104 3,225 -922 -22.23 249 -7.46 0.0052
2024-02-09 2023-12-31 13F Fastenal COM 311900104 4,147 -2,300 -35.68 269 0.0062
2023-11-14 2023-09-30 13F Fastenal COM 311900104 6,447 -98 -1.50 0 0.0088
2023-08-10 2023-06-30 13F Fastenal COM 311900104 6,545 -250 -3.68 0 0.0093
2023-05-01 2023-03-31 13F Fastenal COM 311900104 6,795 -396 -5.51 0 0.0093
2023-02-14 2022-12-31 13F Fastenal COM 311900104 7,191 27 0.38 0 -100.00 0.0092
2022-11-08 2022-09-30 13F Fastenal COM 311900104 7,164 0 0.00 330 -7.82 0.0096
2022-08-08 2022-06-30 13F Fastenal COM 311900104 7,164 0 0.00 358 -15.96 0.0100
2022-05-05 2022-03-31 13F Fastenal COM 311900104 7,164 2,766 62.89 426 51.06 0.0101
2022-02-08 2021-12-31 13F Fastenal COM 311900104 4,398 0 0.00 282 24.23 0.0063
2021-11-08 2021-09-30 13F Fastenal COM 311900104 4,398 0 0.00 227 -0.87 0.0056
2021-08-12 2021-06-30 13F Fastenal COM 311900104 4,398 0 0.00 229 3.62 0.0058
2021-05-10 2021-03-31 13F Fastenal COM 311900104 4,398 0 0.00 221 2.79 0.0061
2021-01-27 2020-12-31 13F Fastenal COM 311900104 4,398 4,398 215 0.0062
2017-07-31 2017-06-30 13F FASTENAL COM 311900104 0 -5,901 -100.00 0 -100.00
2017-05-03 2017-03-31 13F FASTENAL COM 311900104 5,901 5,901 304 0.0137
2015-10-16 2015-09-30 13F FASTENAL COM 311900104 0 -22,686 -100.00 0 -100.00
2015-07-16 2015-06-30 13F FASTENAL COM 311900104 22,686 -31,105 -57.83 957 -57.07 0.0494
2015-04-17 2015-03-31 13F FASTENAL COM 311900104 53,791 -42,845 -44.34 2,229 -51.50 0.1173
2015-01-23 2014-12-31 13F FASTENAL COM 311900104 96,636 -58,878 -37.86 4,596 -34.18 0.2533
2014-10-20 2014-09-30 13F/A-2 FASTENAL COM 311900104 155,514 -72,324 -31.74 6,983 -38.07 0.4011
2014-10-20 2014-09-30 13F/A-1 FASTENAL COM 311900104 155,514 0 6,983 0.4011
2014-10-20 2014-09-30 13F FASTENAL COM 311900104 227,838 11,276
2014-07-15 2014-06-30 13F FASTENAL COM 311900104 227,838 6,183 2.79 11,276 3.18 0.6486
2014-04-15 2014-03-31 13F FASTENAL COM 311900104 221,655 4,320 1.99 10,928 5.83 0.6637
2014-01-27 2013-12-31 13F FASTENAL COM 311900104 217,335 29,210 15.53 10,326 9.19 0.6317
2013-10-23 2013-09-30 13F FASTENAL COM 311900104 188,125 25,905 15.97 9,457 27.32 0.6378
2013-08-12 2013-06-30 13F FASTENAL COM 311900104 162,220 162,220 7,428 0.5299
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.