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
$30.2M Buy
1,184,300
+932,300
+370% +$25.6M ﹤0.01% 1438
2025
Q4
$6.07M Sell
252,000
-129,200
-34% -$3.48M ﹤0.01% 2950
2025
Q3
$13.2M Sell
381,200
-152,800
-29% -$5.26M ﹤0.01% 2069
2025
Q2
$19.5M Buy
534,000
+173,900
+48% +$5.57M ﹤0.01% 1474
2025
Q1
$9.73M Sell
360,100
-1,163,800
-76% -$30.8M ﹤0.01% 2021
2024
Q4
$37.5M Buy
1,523,900
+1,444,000
+1,807% +$37.8M 0.01% 849
2024
Q3
$2.14M Buy
79,900
+23,000
+40% +$633K ﹤0.01% 4347
2024
Q2
$1.64M Sell
56,900
-110,300
-66% -$3.32M ﹤0.01% 4838
2024
Q1
$5.43M Buy
167,200
+14,500
+9% +$462K ﹤0.01% 2510
2023
Q4
$5.46M Sell
152,700
-267,600
-64% -$9.45M ﹤0.01% 2727
2023
Q3
$15M Buy
420,300
+29,500
+8% +$1.13M ﹤0.01% 1363
2023
Q2
$13.7M Sell
390,800
-228,600
-37% -$8.83M ﹤0.01% 1580
2023
Q1
$28.4M Sell
619,400
-620,900
-50% -$30.1M 0.01% 789
2022
Q4
$54.4M Buy
1,240,300
+467,200
+60% +$23.1M 0.03% 488
2022
Q3
$37.4M Sell
773,100
-515,100
-40% -$26.6M 0.02% 656
2022
Q2
$60.8M Sell
1,288,200
-754,100
-37% -$46.2M 0.03% 469
2022
Q1
$136M Sell
2,042,300
-1,057,700
-34% -$52.9M 0.04% 278
2021
Q4
$122M Buy
3,100,000
+2,696,000
+667% +$103M 0.04% 311
2021
Q3
$14.4M Sell
404,000
-312,000
-44% -$9.98M 0.01% 1383
2021
Q2
$22.8M Buy
716,000
+169,400
+31% +$5.75M 0.01% 980
2021
Q1
$17.3M Buy
546,600
+191,200
+54% +$5.64M 0.01% 1092
2020
Q4
$8.18M Sell
355,400
-67,900
-16% -$1.37M ﹤0.01% 1601
2020
Q3
$7.73M Buy
423,300
+80,300
+23% +$1.31M ﹤0.01% 1424
2020
Q2
$4.29M Buy
343,000
+329,900
+2,518% +$3.95M ﹤0.01% 2046
2020
Q1
$142K Sell
13,100
-25,500
-66% -$433K ﹤0.01% 4797
2019
Q4
$835K Buy
38,600
+27,500
+248% +$545K ﹤0.01% 3015
2019
Q3
$228K Sell
11,100
-3,300
-23% -$71.9K ﹤0.01% 4497
2019
Q2
$360K Buy
+14,400
New +$351K ﹤0.01% 3985
2019
Q1
Sell
-95,300
Closed -$2.78M 5391
2018
Q4
$2.78M Buy
95,300
+79,800
+515% +$2.63M 0.01% 1391
2018
Q3
$503K Buy
15,500
+6,900
+80% +$208K ﹤0.01% 3612
2018
Q2
$241K Sell
8,600
-221,000
-96% -$6M ﹤0.01% 4355
2018
Q1
$5.58M Buy
229,600
+220,300
+2,369% +$5.8M 0.01% 896
2017
Q4
$239K Sell
9,300
-15,700
-63% -$361K ﹤0.01% 4000
2017
Q3
$540K Buy
+25,000
New +$541K ﹤0.01% 3007
2016
Q3
Sell
-25,200
Closed -$660K 4330
2016
Q2
$660K Buy
25,200
+10,700
+74% +$284K ﹤0.01% 2463
2016
Q1
$392K Buy
+14,500
New +$378K ﹤0.01% 2882
2015
Q4
Sell
-14,300
Closed -$445K 4286
2015
Q3
$445K Sell
14,300
-6,000
-30% -$248K ﹤0.01% 2415
2015
Q2
$951K Buy
20,300
+15,700
+341% +$712K 0.01% 1607
2015
Q1
$212K Buy
+4,600
New +$225K ﹤0.01% 2842

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.