Ken Griffin’s ProShares UltraShort MidCap400 MZZ Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q1
Sell
-20,589
Closed -$201K 15216
2024
Q4
$201K Buy
+20,589
New +$193K ﹤0.01% 10456
2024
Q3
Sell
-23,128
Closed -$264K 14882
2024
Q2
$264K Buy
23,128
+737
+3% +$8.37K ﹤0.01% 9391
2024
Q1
$235K Sell
22,391
-1,666
-7% -$20.3K ﹤0.01% 9986
2023
Q4
$302K Buy
24,057
+1,215
+5% +$18.7K ﹤0.01% 9138
2023
Q3
$361K Buy
22,842
+169
+0.7% +$2.44K ﹤0.01% 8774
2023
Q2
$324K Buy
22,673
+1,460
+7% +$23.3K ﹤0.01% 8875
2023
Q1
$332K Sell
21,213
-119
-0.6% -$1.84K ﹤0.01% 9174
2022
Q4
$365K Sell
21,332
-23,573
-52% -$414K ﹤0.01% 8905
2022
Q3
$974K Buy
44,905
+1,092
+2% +$20.2K ﹤0.01% 7051
2022
Q2
$933K Buy
+43,813
New +$819K ﹤0.01% 7184
2020
Q1
Sell
-3,860
Closed -$216K 9965
2019
Q4
$216K Sell
3,860
-312
-7% -$19.1K ﹤0.01% 8064
2019
Q3
$268K Buy
4,172
+773
+23% +$51.1K ﹤0.01% 7729
2019
Q2
$221K Buy
3,399
+53
+2% +$3.59K ﹤0.01% 8046
2019
Q1
$232K Buy
3,346
+882
+36% +$65.2K ﹤0.01% 7997
2018
Q4
$226K Sell
2,464
-470
-16% -$36.7K ﹤0.01% 7686
2018
Q3
$188K Buy
+2,934
New +$190K ﹤0.01% 8253
2017
Q1
Sell
-2,115
Closed -$219K 7826
2016
Q4
$219K Sell
2,115
-259
-11% -$29.6K ﹤0.01% 6178
2016
Q3
$283K Sell
2,374
-9
-0.4% -$1.1K ﹤0.01% 5763
2016
Q2
$314K Buy
2,383
+60
+3% +$8.39K ﹤0.01% 5139
2016
Q1
$339K Sell
2,323
-297
-11% -$51.8K ﹤0.01% 4930
2015
Q4
$425K Buy
2,620
+234
+10% +$36.9K ﹤0.01% 4692
2015
Q3
$414K Buy
2,386
+1,187
+99% +$188K ﹤0.01% 5062
2015
Q2
$180K Buy
1,199
+780
+186% +$114K ﹤0.01% 6457
2015
Q1
$62K Sell
419
-101
-19% -$16.1K ﹤0.01% 7239
2014
Q4
$87K Buy
+520
New +$94.4K ﹤0.01% 6756
2014
Q2
Sell
-281
Closed -$56K 8174
2014
Q1
$56K Buy
+281
New +$59K ﹤0.01% 6685

Other funds holding MZZ

Ken Griffin's MZZ Position: Q1 2025 in Review

Ken Griffin sold out of ProShares UltraShort MidCap400 (MZZ) in Q1 2025, closing a stake of 20,589 shares — an estimated $201K sold.

Ken Griffin first reported a position in MZZ in Q1 2014 and held it in 26 quarters. The position peaked at $974K in Q3 2022. 2 funds tracked by Wall St. Rank hold MZZ as of Q1 2025.

  • Ken Griffin reported no remaining ProShares UltraShort MidCap400 position as of Q1 2025 after selling out during the quarter.
  • Ken Griffin sold 20,589 ProShares UltraShort MidCap400 shares in Q1 2025, an estimated $201K.
  • Ken Griffin first reported a position in ProShares UltraShort MidCap400 in Q1 2014 and held it in 26 quarters.
  • Ken Griffin's ProShares UltraShort MidCap400 position peaked at $974K in Q3 2022.
  • 2 funds tracked by Wall St. Rank held ProShares UltraShort MidCap400 as of Q1 2025.

Based on Citadel Advisors's 13F filing for Q1 2025, filed 15 May 2025.