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
$55.8M Buy
2,189,400
+1,187,400
+119% +$32.6M 0.01% 981
2025
Q4
$24.1M Buy
1,002,000
+72,800
+8% +$1.96M ﹤0.01% 1460
2025
Q3
$32.2M Sell
929,200
-511,200
-35% -$17.6M ﹤0.01% 1235
2025
Q2
$52.5M Buy
1,440,400
+143,000
+11% +$4.58M 0.01% 736
2025
Q1
$35M Buy
1,297,400
+1,060,500
+448% +$28M 0.01% 888
2024
Q4
$5.82M Sell
236,900
-344,100
-59% -$9M ﹤0.01% 2474
2024
Q3
$15.6M Sell
581,000
-140,700
-19% -$3.87M ﹤0.01% 1458
2024
Q2
$20.9M Buy
721,700
+27,800
+4% +$838K ﹤0.01% 1286
2024
Q1
$22.5M Buy
693,900
+35,900
+5% +$1.14M ﹤0.01% 1103
2023
Q4
$23.5M Sell
658,000
-108,300
-14% -$3.82M 0.01% 1145
2023
Q3
$27.3M Buy
766,300
+310,200
+68% +$11.9M 0.01% 873
2023
Q2
$16M Buy
456,100
+158,900
+53% +$6.14M 0.01% 1439
2023
Q1
$13.6M Sell
297,200
-169,900
-36% -$8.23M 0.01% 1325
2022
Q4
$20.5M Buy
467,100
+37,200
+9% +$1.84M 0.01% 987
2022
Q3
$20.8M Sell
429,900
-104,700
-20% -$5.41M 0.01% 1033
2022
Q2
$25.2M Sell
534,600
-367,300
-41% -$22.5M 0.01% 947
2022
Q1
$60M Buy
901,900
+340,700
+61% +$17M 0.02% 597
2021
Q4
$22.1M Buy
561,200
+49,100
+10% +$1.88M 0.01% 1136
2021
Q3
$18.3M Sell
512,100
-120,200
-19% -$3.84M 0.01% 1197
2021
Q2
$20.2M Buy
632,300
+295,700
+88% +$10M 0.01% 1070
2021
Q1
$10.6M Buy
336,600
+120,400
+56% +$3.55M 0.01% 1487
2020
Q4
$4.97M Sell
216,200
-125,700
-37% -$2.53M ﹤0.01% 2139
2020
Q3
$6.25M Sell
341,900
-330,000
-49% -$5.37M ﹤0.01% 1631
2020
Q2
$8.4M Buy
+671,900
New +$8.05M 0.01% 1322
2020
Q1
Sell
-234,000
Closed -$5.06M 5735
2019
Q4
$5.06M Buy
234,000
+221,700
+1,802% +$4.4M 0.01% 1085
2019
Q3
$252K Sell
12,300
-6,000
-33% -$131K ﹤0.01% 4362
2019
Q2
$458K Buy
18,300
+6,000
+49% +$146K ﹤0.01% 3692
2019
Q1
$336K Sell
12,300
-78,900
-87% -$2.41M ﹤0.01% 4127
2018
Q4
$2.66M Buy
+91,200
New +$3M 0.01% 1436
2017
Q4
Sell
-21,700
Closed -$469K 4968
2017
Q3
$469K Sell
21,700
-4,400
-17% -$95.3K ﹤0.01% 3176
2017
Q2
$596K Sell
26,100
-39,900
-60% -$979K ﹤0.01% 2801
2017
Q1
$1.93M Buy
+66,000
New +$2.04M 0.01% 1404
2016
Q4
Sell
-48,400
Closed -$1.18M 4399
2016
Q3
$1.18M Buy
+48,400
New +$1.32M 0.01% 1759
2016
Q2
Sell
-16,500
Closed -$446K 4393
2016
Q1
$446K Sell
16,500
-39,200
-70% -$1.02M ﹤0.01% 2734
2015
Q4
$1.54M Buy
55,700
+48,800
+707% +$1.56M 0.01% 1310
2015
Q3
$215K Buy
6,900
+1,100
+19% +$45.4K ﹤0.01% 3120
2015
Q2
$272K Sell
5,800
-13,800
-70% -$626K ﹤0.01% 2921
2015
Q1
$903K Buy
+19,600
New +$957K 0.01% 1461

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.