Fastenal Company
MX ˙ BMV ˙ US3119001044
SecurityMX:FAST / Fastenal Company
InstitutionPerennial Advisors, LLC
Latest Disclosed Ownership77,135 shares
Latest Disclosed Value $ 3,579,064
Perennial Advisors, LLC reports 0.63% decrease in ownership of FAST / Fastenal Company

On April 13, 2026 - Perennial Advisors, LLC filed a 13F-HR form disclosing ownership of 77,135 shares of Fastenal Company (MX:FAST) valued at $3,579,064 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 12, 2026 disclosing 77,625 shares of Fastenal Company. This represents a change in shares of -0.63% 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)
2026-04-13 2026-03-31 13F FASTENAL COM 311900104 77,135 -490 -0.63 3,579 14.90 0.6095
2026-01-12 2025-12-31 13F FASTENAL COM 311900104 77,625 -75 -0.10 3,115 -18.24 0.5223
2025-10-14 2025-09-30 13F FASTENAL COM 311900104 77,700 -200 -0.26 3,810 16.48 0.6599
2025-07-15 2025-06-30 13F FASTENAL COM 311900104 77,900 38,400 97.22 3,272 6.79 0.6078
2025-04-14 2025-03-31 13F FASTENAL COM 311900104 39,500 -625 -1.56 3,063 6.17 0.6110
2025-02-21 2024-12-31 13F FASTENAL COM 311900104 40,125 -125 -0.31 2,885 14.08 0.6280
2024-07-23 2024-06-30 13F FASTENAL COM 311900104 40,250 -1,300 -3.13 2,529 -21.09 0.5669
2024-04-10 2024-03-31 13F FASTENAL COM 311900104 41,550 -850 -2.00 3,205 16.72 0.7455
2024-01-25 2023-12-31 13F FASTENAL COM 311900104 42,400 -500 -1.17 2,746 17.15 0.6748
2023-10-17 2023-09-30 13F FASTENAL COM 311900104 42,900 -100 -0.23 2,344 -7.57 0.6322
2023-08-01 2023-06-30 13F FASTENAL COM 311900104 43,000 0 0.00 2,537 9.36 0.6466
2023-05-12 2023-03-31 13F FASTENAL COM 311900104 43,000 -250 -0.58 2,319 13.34 0.6637
2023-01-31 2022-12-31 13F FASTENAL COM 311900104 43,250 0 0.00 2,047 2.76 0.6506
2022-11-09 2022-09-30 13F FASTENAL COM 311900104 43,250 0 0.00 1,991 -7.78 0.6528
2022-08-09 2022-06-30 13F FASTENAL COM 311900104 43,250 0 0.00 2,159 -15.96 0.6717
2022-04-27 2022-03-31 13F FASTENAL COM 311900104 43,250 0 0.00 2,569 -7.29 0.6817
2022-02-08 2021-12-31 13F FASTENAL COM 311900104 43,250 21,600 99.77 2,771 148.08 0.7467
2021-11-08 2021-09-30 13F FASTENAL COM 311900104 21,650 0 0.00 1,117 -0.80 0.3290
2021-08-13 2021-06-30 13F FASTENAL COM 311900104 21,650 0 0.00 1,126 3.40 0.3269
2021-05-17 2021-03-31 13F FASTENAL COM 311900104 21,650 0 0.00 1,089 3.03 0.3426
2021-02-12 2020-12-31 13F FASTENAL COM 311900104 21,650 0 0.00 1,057 8.30 0.3723
2020-11-16 2020-09-30 13F FASTENAL COM 311900104 21,650 0 0.00 976 5.29 0.3994
2020-08-14 2020-06-30 13F FASTENAL COM 311900104 21,650 0 0.00 927 36.93 0.3941
2020-05-19 2020-03-31 13F/A-1 FASTENAL COM 311900104 21,650 0 0.00 677 -15.37 0.3771
2020-05-19 2020-03-31 13F FASTENAL COM 311900104 13,441 -8,209 631 523,916.6715
2020-01-23 2019-12-31 13F FASTENAL COM 311900104 21,650 0 0.00 800 13.15 0.3841
2019-11-05 2019-09-30 13F FASTENAL COM 311900104 21,650 -240 -1.10 707 -0.84 0.3663
2019-07-18 2019-06-30 13F FASTENAL COM 311900104 21,890 10,785 97.12 713 -0.14 0.3796
2019-04-30 2019-03-31 13F FASTENAL COM 311900104 11,105 -44 -0.39 714 22.47 0.4060
2019-01-29 2018-12-31 13F FASTENAL COM 311900104 11,149 -175 -1.55 583 -11.26 0.3775
2018-11-05 2018-09-30 13F FASTENAL COM 311900104 11,324 0 0.00 657 20.55 0.3781
2018-08-10 2018-06-30 13F FASTENAL COM 311900104 11,324 -100 -0.88 545 -12.66 0.3360
2018-04-24 2018-03-31 13F FASTENAL COM 311900104 11,424 -1,475 -11.43 624 -11.49 0.3939
2018-01-29 2017-12-31 13F FASTENAL COM 311900104 12,899 -68 -0.52 705 19.29 0.4377
2017-10-30 2017-09-30 13F FASTENAL COM 311900104 12,967 -100 -0.77 591 3.87 0.3999
2017-07-31 2017-06-30 13F FASTENAL COM 311900104 13,067 -174 -1.31 569 -16.57 0.4129
2017-04-27 2017-03-31 13F FASTENAL COM 311900104 13,241 -200 -1.49 682 8.08 0.5250
2017-04-27 2016-12-31 13F/A-2 FASTENAL COM 311900104 13,441 13,441 631 0.5239
2017-04-27 2016-12-31 13F/A-1 FASTENAL COM 311900104 13,441 0 631 0.5578
2017-02-10 2016-12-31 13F FASTENAL COM 311900104 13,441 631 0.3990
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.