Jane Street’s Mercury Insurance MCY Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$9.49M Buy
107,700
+21,970
+26% +$1.96M ﹤0.01% 2606
2025
Q4
$8.06M Sell
85,730
-15,961
-16% -$1.38M ﹤0.01% 2593
2025
Q3
$8.62M Buy
101,691
+50,012
+97% +$3.69M ﹤0.01% 2607
2025
Q2
$3.48M Sell
51,679
-53,607
-51% -$3.19M ﹤0.01% 3524
2025
Q1
$5.89M Buy
105,286
+98,109
+1,367% +$5.29M ﹤0.01% 2699
2024
Q4
$477K Sell
7,177
-65,396
-90% -$4.6M ﹤0.01% 6879
2024
Q3
$4.57M Buy
72,573
+27,327
+60% +$1.62M ﹤0.01% 3006
2024
Q2
$2.4M Buy
45,246
+18,788
+71% +$1.02M ﹤0.01% 4178
2024
Q1
$1.37M Buy
26,458
+10,003
+61% +$441K ﹤0.01% 4834
2023
Q4
$614K Buy
+16,455
New +$571K ﹤0.01% 6411
2023
Q3
Sell
-19,578
Closed -$593K 9079
2023
Q2
$593K Sell
19,578
-8,024
-29% -$245K ﹤0.01% 6061
2023
Q1
$876K Buy
27,602
+892
+3% +$30.4K ﹤0.01% 5257
2022
Q4
$913K Buy
26,710
+16,612
+165% +$552K ﹤0.01% 5113
2022
Q3
$287K Sell
10,098
-6,017
-37% -$218K ﹤0.01% 7665
2022
Q2
$714K Sell
16,115
-24,151
-60% -$1.19M ﹤0.01% 6091
2022
Q1
$2.21M Buy
+40,266
New +$2.17M ﹤0.01% 4564
2021
Q4
Sell
-9,159
Closed -$492K 10527
2021
Q3
$510K Buy
+9,159
New +$547K ﹤0.01% 7250
2021
Q2
Sell
-6,186
Closed -$392K 10156
2021
Q1
$377K Buy
+6,186
New +$354K ﹤0.01% 7318
2019
Q2
Sell
-10,356
Closed -$519K 5494
2019
Q1
$519K Sell
10,356
-9,052
-47% -$470K ﹤0.01% 3639
2018
Q4
$1M Buy
19,408
+5,896
+44% +$321K ﹤0.01% 2556
2018
Q3
$678K Buy
+13,512
New +$673K ﹤0.01% 3247
2018
Q2
Sell
-48,482
Closed -$2.22M 5357
2018
Q1
$2.22M Buy
48,482
+21,621
+80% +$1.03M 0.01% 1721
2017
Q4
$1.44M Buy
26,861
+16,445
+158% +$905K ﹤0.01% 1918
2017
Q3
$590K Buy
+10,416
New +$590K ﹤0.01% 2905
2016
Q1
Sell
-23,222
Closed -$1.08M 4430
2015
Q4
$1.08M Buy
+23,222
New +$1.18M 0.01% 1652
2015
Q1
Sell
-13,521
Closed -$766K 3347
2014
Q4
$766K Buy
+13,521
New +$724K 0.01% 1214
2013
Q4
Sell
-10,908
Closed -$527K 2679
2013
Q3
$527K Buy
10,908
+5,126
+89% +$231K 0.01% 1656
2013
Q2
$254K Buy
+5,782
New +$249K ﹤0.01% 2035

Other funds holding MCY

Jane Street's MCY Position: Q1 2026 in Review

Jane Street increased its Mercury Insurance (MCY) stake by 26% in Q1 2026, buying an estimated $1.96M and bringing the position to 107,700 shares worth $9.49M. The position accounts for ﹤0.01% of the portfolio, ranked #2606.

Jane Street first reported a position in MCY in Q2 2013 and has held it in 28 quarters since. 305 funds tracked by Wall St. Rank hold MCY as of Q1 2026.

  • Jane Street held 107,700 shares of Mercury Insurance worth $9.49M as of Q1 2026.
  • Jane Street bought 21,970 Mercury Insurance shares in Q1 2026, an estimated $1.96M.
  • Mercury Insurance made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #2606 holding.
  • Jane Street first reported a position in Mercury Insurance in Q2 2013 and has held it in 28 quarters since.
  • 305 funds tracked by Wall St. Rank held Mercury Insurance as of Q1 2026.

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