Jane Street’s The Mosaic Company MOS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$9.89M Buy
387,681
+378,472
+4,110% +$10.4M ﹤0.01% 2554
2025
Q4
$222K Sell
9,209
-62,341
-87% -$1.68M ﹤0.01% 9514
2025
Q3
$2.48M Sell
71,550
-1,759,047
-96% -$60.6M ﹤0.01% 4539
2025
Q2
$66.8M Buy
1,830,597
+720,031
+65% +$23.1M 0.01% 620
2025
Q1
$30M Buy
1,110,566
+935,510
+534% +$24.7M 0.01% 995
2024
Q4
$4.3M Sell
175,056
-431,651
-71% -$11.3M ﹤0.01% 2878
2024
Q3
$16.2M Sell
606,707
-235,283
-28% -$6.47M ﹤0.01% 1415
2024
Q2
$24.3M Buy
841,990
+598,779
+246% +$18M 0.01% 1158
2024
Q1
$7.89M Sell
243,211
-507,575
-68% -$16.2M ﹤0.01% 2056
2023
Q4
$26.8M Buy
750,786
+159,712
+27% +$5.64M 0.01% 1048
2023
Q3
$21M Buy
591,074
+183,208
+45% +$7.03M 0.01% 1058
2023
Q2
$14.3M Buy
407,866
+307,282
+305% +$11.9M ﹤0.01% 1537
2023
Q1
$4.61M Sell
100,584
-96,882
-49% -$4.69M ﹤0.01% 2569
2022
Q4
$8.66M Sell
197,466
-271,011
-58% -$13.4M ﹤0.01% 1780
2022
Q3
$22.6M Buy
468,477
+181,705
+63% +$9.39M 0.01% 966
2022
Q2
$13.5M Buy
286,772
+79,539
+38% +$4.87M 0.01% 1440
2022
Q1
$13.8M Sell
207,233
-180,566
-47% -$9.03M ﹤0.01% 1612
2021
Q4
$15.2M Buy
387,799
+33,117
+9% +$1.27M 0.01% 1421
2021
Q3
$12.7M Buy
354,682
+47,468
+15% +$1.52M ﹤0.01% 1513
2021
Q2
$9.8M Buy
307,214
+60,393
+24% +$2.05M ﹤0.01% 1737
2021
Q1
$7.8M Buy
246,821
+9,500
+4% +$280K ﹤0.01% 1826
2020
Q4
$5.46M Buy
237,321
+100,905
+74% +$2.03M ﹤0.01% 2028
2020
Q3
$2.49M Buy
136,416
+17,482
+15% +$284K ﹤0.01% 2704
2020
Q2
$1.49M Buy
118,934
+42,482
+56% +$509K ﹤0.01% 3475
2020
Q1
$827K Sell
76,452
-369,677
-83% -$6.27M ﹤0.01% 3021
2019
Q4
$9.65M Buy
446,129
+424,237
+1,938% +$8.41M 0.01% 663
2019
Q3
$448K Sell
21,892
-34,609
-61% -$754K ﹤0.01% 3672
2019
Q2
$1.41M Sell
56,501
-61,752
-52% -$1.51M ﹤0.01% 2250
2019
Q1
$3.23M Buy
118,253
+51,868
+78% +$1.58M 0.01% 1515
2018
Q4
$1.94M Buy
66,385
+38,530
+138% +$1.27M ﹤0.01% 1770
2018
Q3
$905K Sell
27,855
-41,145
-60% -$1.24M ﹤0.01% 2887
2018
Q2
$1.94M Buy
69,000
+23,150
+50% +$628K ﹤0.01% 1979
2018
Q1
$1.11M Sell
45,850
-62,323
-58% -$1.64M ﹤0.01% 2526
2017
Q4
$2.78M Buy
108,173
+3,596
+3% +$82.6K 0.01% 1290
2017
Q3
$2.26M Sell
104,577
-127,362
-55% -$2.76M 0.01% 1481
2017
Q2
$5.29M Buy
231,939
+195,913
+544% +$4.81M 0.02% 744
2017
Q1
$1.05M Buy
36,026
+6,082
+20% +$188K ﹤0.01% 2021
2016
Q4
$878K Sell
29,944
-135,535
-82% -$3.64M ﹤0.01% 2227
2016
Q3
$4.05M Buy
165,479
+137,296
+487% +$3.74M 0.02% 707
2016
Q2
$738K Buy
+28,183
New +$748K ﹤0.01% 2343
2016
Q1
Sell
-124,709
Closed -$3.26M 4445
2015
Q4
$3.44M Buy
+124,709
New +$3.98M 0.02% 685
2015
Q3
Sell
-11,299
Closed -$466K 3947
2015
Q2
$529K Sell
11,299
-4,542
-29% -$206K ﹤0.01% 2232
2015
Q1
$730K Buy
15,841
+6,026
+61% +$294K 0.01% 1663
2014
Q4
$448K Sell
9,815
-6,117
-38% -$271K ﹤0.01% 1572
2014
Q3
$708K Buy
15,932
+8,732
+121% +$410K 0.01% 1160
2014
Q2
$356K Sell
7,200
-15,062
-68% -$742K ﹤0.01% 1699
2014
Q1
$1.11M Buy
22,262
+4,724
+27% +$225K 0.01% 884
2013
Q4
$829K Buy
17,538
+11,838
+208% +$549K 0.01% 891
2013
Q3
$245K Sell
5,700
-926
-14% -$43.1K ﹤0.01% 2254
2013
Q2
$357K Buy
+6,626
New +$394K 0.01% 1729

Other funds holding MOS

Jane Street's MOS Position: Q1 2026 in Review

Jane Street increased its The Mosaic Company (MOS) stake by 4,110% in Q1 2026, buying an estimated $10.4M and bringing the position to 387,681 shares worth $9.89M. The position accounts for ﹤0.01% of the portfolio, ranked #2554.

Jane Street first reported a position in MOS in Q2 2013 and has held it in 50 quarters since. The position peaked at $66.8M in Q2 2025. 692 funds tracked by Wall St. Rank hold MOS as of Q1 2026.

  • Jane Street held 387,681 shares of The Mosaic Company worth $9.89M as of Q1 2026.
  • Jane Street bought 378,472 The Mosaic Company shares in Q1 2026, an estimated $10.4M.
  • The Mosaic Company made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #2554 holding.
  • Jane Street first reported a position in The Mosaic Company in Q2 2013 and has held it in 50 quarters since.
  • Jane Street's The Mosaic Company position peaked at $66.8M in Q2 2025.
  • 692 funds tracked by Wall St. Rank held The Mosaic Company as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.