Mariner’s Fastenal FAST Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$195M Buy
4,204,660
+2,598,583
+162% +$117M 0.23% 80
2025
Q4
$64.5M Buy
1,606,077
+10,442
+0.7% +$440K 0.08% 208
2025
Q3
$78.2M Buy
1,595,635
+38,192
+2% +$1.8M 0.1% 164
2025
Q2
$65.4M Sell
1,557,443
-171
-0% -$6.94K 0.09% 187
2025
Q1
$60.4M Buy
1,557,614
+55,354
+4% +$2.07M 0.1% 180
2024
Q4
$54M Sell
1,502,260
-6,470
-0.4% -$252K 0.09% 198
2024
Q3
$53.9M Sell
1,508,730
-3,648
-0.2% -$123K 0.1% 195
2024
Q2
$47.5M Buy
1,512,378
+20,760
+1% +$700K 0.09% 199
2024
Q1
$57.5M Buy
1,491,618
+39,512
+3% +$1.4M 0.12% 163
2023
Q4
$47M Sell
1,452,106
-25,646
-2% -$773K 0.11% 178
2023
Q3
$40.4M Sell
1,477,752
-108,356
-7% -$3.08M 0.11% 179
2023
Q2
$46.8M Sell
1,586,108
-310,556
-16% -$8.5M 0.13% 166
2023
Q1
$51.1M Buy
1,896,664
+206,294
+12% +$5.29M 0.15% 142
2022
Q4
$40M Buy
1,690,370
+138,700
+9% +$3.39M 0.13% 169
2022
Q3
$35.7M Buy
1,551,670
+106,578
+7% +$2.69M 0.14% 155
2022
Q2
$36.1M Buy
1,445,092
+121,038
+9% +$3.26M 0.15% 156
2022
Q1
$39.3M Buy
1,324,054
+109,234
+9% +$3.05M 0.15% 148
2021
Q4
$38.9M Buy
1,214,820
+39,168
+3% +$1.15M 0.16% 143
2021
Q3
$30.3M Buy
1,175,652
+79,448
+7% +$2.16M 0.16% 154
2021
Q2
$28.5M Buy
1,096,204
+14,614
+1% +$380K 0.18% 146
2021
Q1
$27.2M Buy
1,081,590
+88,074
+9% +$2.11M 0.19% 143
2020
Q4
$24.3M Buy
993,516
+40,382
+4% +$951K 0.19% 141
2020
Q3
$21.5M Buy
953,134
+17,394
+2% +$400K 0.2% 133
2020
Q2
$20M Buy
935,740
+36,400
+4% +$696K 0.2% 134
2020
Q1
$14.1M Sell
899,340
-51,302
-5% -$903K 0.18% 145
2019
Q4
$17.6M Buy
950,642
+39,408
+4% +$704K 0.18% 148
2019
Q3
$14.9M Sell
911,234
-17,110
-2% -$266K 0.18% 146
2019
Q2
$15.1M Buy
928,344
+12,520
+1% +$206K 0.18% 144
2019
Q1
$14.7M Buy
915,824
+83,316
+10% +$1.25M 0.21% 130
2018
Q4
$10.9M Buy
832,508
+684,688
+463% +$9.26M 0.19% 142
2018
Q3
$2.14M Buy
147,820
+19,040
+15% +$271K 0.06% 278
2018
Q2
$1.55M Sell
128,780
-13,476
-9% -$174K 0.04% 315
2018
Q1
$1.94M Sell
142,256
-18,644
-12% -$257K 0.07% 226
2017
Q4
$2.2M Buy
160,900
+1,952
+1% +$24.2K 0.09% 191
2017
Q3
$1.81M Buy
158,948
+18,656
+13% +$201K 0.08% 185
2017
Q2
$1.53M Buy
140,292
+55,220
+65% +$620K 0.07% 203
2017
Q1
$1.09M Buy
85,072
+1,040
+1% +$13K 0.05% 262
2016
Q4
$987K Buy
+84,032
New +$922K 0.05% 271

Other funds holding FAST

Mariner's FAST Position: Q1 2026 in Review

Mariner increased its Fastenal (FAST) stake by 162% in Q1 2026, buying an estimated $117M and bringing the position to 4,204,660 shares worth $195M. The position accounts for 0.23% of the portfolio, ranked #80.

Mariner first reported a position in FAST in Q4 2016 and has held it in 38 quarters since. 1,413 funds tracked by Wall St. Rank hold FAST as of Q1 2026.

  • Mariner held 4,204,660 shares of Fastenal worth $195M as of Q1 2026.
  • Mariner bought 2,598,583 Fastenal shares in Q1 2026, an estimated $117M.
  • Fastenal made up 0.23% of Mariner's portfolio in Q1 2026, its #80 holding.
  • Mariner first reported a position in Fastenal in Q4 2016 and has held it in 38 quarters since.
  • 1,413 funds tracked by Wall St. Rank held Fastenal as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.