Mariner’s CSX Corp CSX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$12.7M Sell
310,638
-98,499
-24% -$3.86M 0.01% 640
2025
Q4
$14.8M Sell
409,137
-40,726
-9% -$1.46M 0.02% 543
2025
Q3
$16M Buy
449,863
+3,711
+0.8% +$127K 0.02% 476
2025
Q2
$14.6M Sell
446,152
-5,619
-1% -$169K 0.02% 495
2025
Q1
$13.3M Buy
451,771
+14,546
+3% +$462K 0.02% 477
2024
Q4
$14.1M Sell
437,225
-8,488
-2% -$291K 0.02% 447
2024
Q3
$15.4M Buy
445,713
+16,602
+4% +$563K 0.03% 418
2024
Q2
$14.4M Buy
429,111
+33,327
+8% +$1.13M 0.03% 409
2024
Q1
$14.7M Buy
395,784
+974
+0.2% +$35.5K 0.03% 406
2023
Q4
$13.7M Buy
394,810
+15,272
+4% +$486K 0.03% 388
2023
Q3
$11.7M Buy
379,538
+6,703
+2% +$212K 0.03% 392
2023
Q2
$12.7M Buy
372,835
+26,493
+8% +$838K 0.03% 378
2023
Q1
$10.4M Sell
346,342
-14,616
-4% -$449K 0.03% 421
2022
Q4
$11.2M Buy
360,958
+49,385
+16% +$1.49M 0.04% 385
2022
Q3
$8.3M Buy
311,573
+28,183
+10% +$876K 0.03% 387
2022
Q2
$8.23M Buy
283,390
+33,160
+13% +$1.08M 0.03% 372
2022
Q1
$9.37M Buy
250,230
+67,608
+37% +$2.39M 0.04% 352
2021
Q4
$6.87M Sell
182,622
-538
-0.3% -$19K 0.03% 380
2021
Q3
$5.45M Buy
183,160
+3,230
+2% +$103K 0.03% 346
2021
Q2
$5.77M Buy
179,930
+51,086
+40% +$1.68M 0.04% 312
2021
Q1
$4.14M Sell
128,844
-13,494
-9% -$412K 0.03% 337
2020
Q4
$4.31M Buy
142,338
+15,045
+12% +$432K 0.03% 303
2020
Q3
$3.3M Sell
127,293
-8,088
-6% -$200K 0.03% 303
2020
Q2
$3.15M Buy
135,381
+9,042
+7% +$200K 0.03% 320
2020
Q1
$2.41M Buy
126,339
+4,470
+4% +$104K 0.03% 338
2019
Q4
$2.94M Buy
121,869
+2,424
+2% +$57.3K 0.03% 332
2019
Q3
$2.76M Sell
119,445
-14,379
-11% -$335K 0.03% 321
2019
Q2
$3.45M Buy
133,824
+1,317
+1% +$33.9K 0.04% 303
2019
Q1
$3.31M Buy
132,507
+5,853
+5% +$136K 0.05% 295
2018
Q4
$2.62M Buy
126,654
+95,226
+303% +$2.19M 0.05% 289
2018
Q3
$776K Buy
31,428
+750
+2% +$17.9K 0.02% 475
2018
Q2
$652K Buy
30,678
+9,036
+42% +$186K 0.02% 486
2018
Q1
$402K Buy
+21,642
New +$404K 0.01% 474
2016
Q2
Sell
-27,726
Closed -$238K 552
2016
Q1
$238K Buy
27,726
+315
+1% +$2.55K 0.01% 439
2015
Q4
$237K Sell
27,411
-31,320
-53% -$284K 0.02% 381
2015
Q3
$527K Sell
58,731
-20,433
-26% -$200K 0.02% 323
2015
Q2
$861K Buy
79,164
+60,036
+314% +$696K 0.04% 274
2015
Q1
$211K Buy
19,128
+9
+0% +$103 0.02% 362
2014
Q4
$231K Buy
19,119
+9
+0% +$105 0.02% 336
2014
Q3
$204K Buy
+19,110
New +$197K 0.02% 315

Other funds holding CSX

Mariner's CSX Position: Q1 2026 in Review

Mariner reduced its CSX Corp (CSX) stake by 24% in Q1 2026, selling an estimated $3.86M and leaving 310,638 shares worth $12.7M. The position accounts for 0.01% of the portfolio, ranked #640.

Mariner first reported a position in CSX in Q3 2014 and has held it in 40 quarters since. The position peaked at $16M in Q3 2025. 1,863 funds tracked by Wall St. Rank hold CSX as of Q1 2026.

  • Mariner held 310,638 shares of CSX Corp worth $12.7M as of Q1 2026.
  • Mariner sold 98,499 CSX Corp shares in Q1 2026, an estimated $3.86M.
  • CSX Corp made up 0.01% of Mariner's portfolio in Q1 2026, its #640 holding.
  • Mariner first reported a position in CSX Corp in Q3 2014 and has held it in 40 quarters since.
  • Mariner's CSX Corp position peaked at $16M in Q3 2025.
  • 1,863 funds tracked by Wall St. Rank held CSX Corp as of Q1 2026.

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