Fastenal Company
MX ˙ BMV ˙ US3119001044
SecurityMX:FAST / Fastenal Company
InstitutionMercer Global Advisors Inc /adv
Latest Disclosed Ownership300,736 shares
Latest Disclosed Value $ 13,954,131
Mercer Global Advisors Inc /adv reports 0.07% increase in ownership of FAST / Fastenal Company

On May 15, 2026 - Mercer Global Advisors Inc /adv filed a 13F-HR form disclosing ownership of 300,736 shares of Fastenal Company (MX:FAST) valued at $13,954,131 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 300,511 shares of Fastenal Company. This represents a change in shares of 0.07% 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)
2026-05-15 2026-03-31 13F FASTENAL COM 311900104 300,736 225 0.07 13,954 15.71 0.0206
2026-02-17 2025-12-31 13F FASTENAL COM 311900104 300,511 71,262 31.08 12,059 7.27 0.0184
2025-11-14 2025-09-30 13F FASTENAL COM 311900104 229,249 -808 -0.35 11,242 16.35 0.0188
2025-08-14 2025-06-30 13F FASTENAL COM 311900104 230,057 106,516 86.22 9,662 0.86 0.0197
2025-05-15 2025-03-31 13F FASTENAL COM 311900104 123,541 -771 -0.62 9,581 7.17 0.0220
2025-02-14 2024-12-31 13F FASTENAL COM 311900104 124,312 -879 -0.70 8,939 0.43 0.0218
2024-11-14 2024-09-30 13F FASTENAL COM 311900104 125,191 4,404 3.65 8,902 17.27 0.0208
2024-08-12 2024-06-30 13F FASTENAL COM 311900104 120,787 -5,297 -4.20 7,590 84,233.33 0.0207
2024-05-15 2024-03-31 13F FASTENAL COM 311900104 126,084 -5,675 -4.31 10 12.50 0.0276
2024-02-15 2023-12-31 13F FASTENAL COM 311900104 131,759 -1,488 -1.12 9 14.29 0.0257
2023-11-15 2023-09-30 13F/A-1 FASTENAL COM 311900104 133,247 -14,675 -9.92 7 -12.50 0.0276
2023-11-14 2023-09-30 13F FASTENAL COM 311900104 133,247 -14,675 7 0.0276
2023-08-14 2023-06-30 13F FASTENAL COM 311900104 147,922 33,624 29.42 9 33.33 0.0346
2023-05-16 2023-03-31 13F FASTENAL COM 311900104 114,298 -776 -0.67 6 20.00 0.0280
2023-02-09 2022-12-31 13F FASTENAL COM 311900104 115,074 -1,056 -0.91 5 -99.91 0.0273
2022-11-15 2022-09-30 13F FASTENAL COM 311900104 116,130 -1,940 -1.64 5,347 -9.28 0.0317
2022-08-10 2022-06-30 13F FASTENAL COM 311900104 118,070 1,914 1.65 5,894 -14.58 0.0361
2022-05-10 2022-03-31 13F FASTENAL COM 311900104 116,156 3,106 2.75 6,900 -4.72 0.0406
2022-02-04 2021-12-31 13F FASTENAL COM 311900104 113,050 -975 -0.86 7,242 23.06 0.0447
2021-11-10 2021-09-30 13F FASTENAL COM 311900104 114,025 -1,164 -1.01 5,885 -1.75 0.0411
2021-08-10 2021-06-30 13F FASTENAL COM 311900104 115,189 400 0.35 5,990 3.79 0.0461
2021-08-10 2021-03-31 13F/A-1 FASTENAL COM 311900104 114,789 3,060 2.74 5,771 5.77 0.0525
2021-05-11 2021-03-31 13F FASTENAL COM 311900104 114,104 2,375 5,737 0.0549
2021-02-12 2020-12-31 13F FASTENAL COM 311900104 111,729 1,543 1.40 5,456 9.82 0.0681
2020-12-10 2020-09-30 13F FASTENAL COM 311900104 110,186 311 0.28 4,968 5.54 0.0747
2020-08-10 2020-06-30 13F FASTENAL COM 311900104 109,875 -4,059 -3.56 4,707 32.22 0.0855
2020-05-18 2020-03-31 13F FASTENAL COM 311900104 113,934 -16,329 -12.54 3,560 -26.03 0.0784
2020-02-13 2019-12-31 13F FASTENAL CO COM COM 311900104 130,263 -5,609 -4.13 4,813 8.45 0.0961
2019-11-12 2019-09-30 13F FASTENAL CO COM COM 311900104 135,872 -6,597 -4.63 4,438 -4.42 0.1044
2019-08-14 2019-06-30 13F FASTENAL CO COM COM 311900104 142,469 116,017 438.59 4,643 172.96 0.1231
2019-04-23 2019-03-31 13F/A-1 FASTENAL CO COM COM 311900104 26,452 26,452 1,701 0.0612
2019-04-12 2019-03-31 13F FASTENAL CO COM COM 311900104 13,078 684 0.0365
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.